121 files changed, 261 insertions, 259 deletions

diff --git a/build2/test/rule.cxx b/build2/test/rule.cxx
index 282540c..64cd56c 100644
--- a/build2/test/rule.cxx
+++ b/build2/test/rule.cxx
@@ -113,8 +113,8 @@ namespace build2
         // it may not be a testable target at all). So as the first step
         // determine which case this is.
         //
-        // If we have any prerequisites of the test{} type, then this is the
-        // testscript case.
+        // If we have any prerequisites of the testscript{} type, then this is
+        // the testscript case.
         //
         // If we can, go inside see-through groups. Normally groups won't be
         // resolvable for this action but then normally they won't contain any
diff --git a/build2/test/target.cxx b/build2/test/target.cxx
index 25afd0d..a6adde9 100644
--- a/build2/test/target.cxx
+++ b/build2/test/target.cxx
@@ -15,9 +15,9 @@ namespace build2
     testscript_target_extension (const target_key& tk)
     {
       // If the name is special 'testscript', then there is no extension,
-      // otherwise it is .test.
+      // otherwise it is .testscript.
       //
-      return *tk.name == "testscript" ? "" : "test";
+      return *tk.name == "testscript" ? "" : "testscript";
     }
 
     static bool
@@ -39,7 +39,7 @@ namespace build2
 
         if (!e && v != "testscript")
         {
-          e = "test";
+          e = "testscript";
           return true;
         }
       }
@@ -49,7 +49,7 @@ namespace build2
 
     const target_type testscript::static_type
     {
-      "test",
+      "testscript",
       &file::static_type,
       &target_factory<testscript>,
       &testscript_target_extension,
diff --git a/doc/manual.cli b/doc/manual.cli
index 4a6f854..00a6eb5 100644
--- a/doc/manual.cli
+++ b/doc/manual.cli
@@ -1742,7 +1742,7 @@ expect to see when running the tests:
 b test
 c++ hello/cxx{hello}
 ld hello/exe{hello}
-test hello/test{testscript} hello/exe{hello}
+test hello/testscript{testscript} hello/exe{hello}
 hello/testscript:7:1: error: hello/hello exit code 0 == 0
   info: stdout: hello/test-hello/missing-name/stdout
 \
diff --git a/doc/testscript.cli b/doc/testscript.cli
index deeba89..921a0f1 100644
--- a/doc/testscript.cli
+++ b/doc/testscript.cli
@@ -104,7 +104,7 @@ testscript file tests a specific target we simply list it as a target's
 prerequisite, for example:
 
 \
-exe{hello}: cxx{hello} test{testscript}
+exe{hello}: cxx{hello} testscript
 \
 
 Let's assume our \c{hello} program expects us to pass the name to greet as a
@@ -482,9 +482,9 @@ platform test to \c{buildfile}:
 \
 # buildfile
 
-exe{hello}: cxx{hello} test{testscript}
+exe{hello}: cxx{hello} testscript
 
-test{*}: windows = ($cxx.target.class == windows)
+testscript{*}: windows = ($cxx.target.class == windows)
 \
 
 \
@@ -612,13 +612,14 @@ prerequisite that describes how to test the target similar to how, for
 example, the \c{INSTALL} file describes how to install it. For example:
 
 \
-exe{hello}: test{testscript} doc{INSTALL README}
+exe{hello}: testscript doc{INSTALL README}
 \
 
 By convention, the testscript file should be called either \c{testscript} if
-you only have one or have the \c{.test} extension, for example,
-\c{basics.test}. The \c{test} module registers the \c{test{\}} target type to
-be used for testscript files.
+you only have one or have the \c{.testscript} extension, for example,
+\c{basics.testscript}. The \c{test} module registers the \c{testscript{\}}
+target type to be used for testscript files. We don't have to use explicit
+target type for the \c{testscript} file.
 
 A testscript prerequisite can be specified for any target. For example, if
 our directory contains a bunch of shell scripts that we want to test together,
@@ -626,22 +627,22 @@ then it makes sense to specify the testscript prerequisite for the directory
 target:
 
 \
-./: test{basics}
+./: testscript{basics}
 \
 
 During variable lookup if a variable is not found in one of the testscript
 scopes (see \l{#model Model and Execution}), then the search continues in the
 \c{buildfile} starting with the target-specific variables of the target being
 tested (e.g., \c{exe{hello\}}; called \i{test target}), then target-specific
-variables of the testscript target (e.g., \c{test{basics\}}; called \i{script
-target}), and then continuing with the scopes starting with the one containing
-the script target. As a result, a testscript can \"see\" all the existing
-buildfile variables plus we can use target-specific variables to pass
+variables of the testscript target (e.g., \c{testscript{basics\}}; called
+\i{script target}), and then continuing with the scopes starting with the one
+containing the script target. As a result, a testscript can \"see\" all the
+existing buildfile variables plus we can use target-specific variables to pass
 additional, test-specific, information to testscrips. As an example, consider
 this testscript and buildfile pair:
 
 \
-# basics.test
+# basics.testscript
 
 if ($cxx.target.class == windows)
   test.arguments += $foo
@@ -655,19 +656,19 @@ end
 \
 # buildfile
 
-exe{hello}: test{basics}
+exe{hello}: testscript{basics}
 
 # All testscripts in this scope.
 #
-test{*}: windows = ($cxx.target.class == windows)
+testscript{*}: windows = ($cxx.target.class == windows)
 
 # All testscripts for target exe{hello}.
 #
 exe{hello}: bar = BAR
 
-# Only basics.test.
+# Only basics.testscript.
 #
-test{basics}@./: foo = FOO
+testscript{basics}@./: foo = FOO
 \
 
 Additionally, by convention, a number of pre-defined \c{test.*} variables are
@@ -678,7 +679,7 @@ variable is automatically set to the target path being tested. For example,
 given this \c{buildfile}:
 
 \
-exe{hello}: test{testscript}
+exe{hello}: testscript
 \
 
 The value of \c{test} inside the testscript will be the absolute path to the
@@ -704,7 +705,7 @@ This is how we can implement \c{tests/buildfile} for this setup:
 \
 hello = ../hello/exe{hello}
 
-./: $hello test{testscript}
+./: $hello testscript
 ./: test = $hello
 
 include ../hello/
@@ -762,8 +763,8 @@ directory, then the subdirectory is called \c{test}. Otherwise, it is the name
 of the target prefixed with\c{test-}. For example:
 
 \
-./:         test{foo}   # $out_base/test/
-exe{hello}: test{bar}   # $out_base/test-hello/
+./:         testscript{foo}  # $out_base/test/
+exe{hello}: testscript{bar}  # $out_base/test-hello/
 \
 
 
@@ -787,8 +788,8 @@ A scope (both group and test) has an \i{id}. If not specified explicitly (as
 part of the description), it is derived automatically from the group/test
 location in the testscript file (see \l{#syntax-description Description} for
 details). The id of the implicit outermost scope is the script file name
-without the \c{.test} extension, except if the file name is \c{testscript},
-in which case the id is empty.
+without the \c{.testscript} extension, except if the file name is
+\c{testscript}, in which case the id is empty.
 
 Based on the ids each nested group and test has an \i{id path} that uniquely
 identifies it. It starts with the id of the implied outermost group (unless
@@ -799,7 +800,7 @@ temporary directory where the test is executed (as described below). Inside a
 scope its id path is available via the special \c{$@} variable (read-only).
 
 As an example, consider the following testscript file which we assume is
-called \c{basics.test}:
+called \c{basics.testscript}:
 
 \
 test0: test0
@@ -861,9 +862,9 @@ is not empty, then the test is considered to have failed (unexpected output).
 Inside a scope its working directory is available via the special \c{$~}
 variable (read-only).
 
-As an example, consider the following version of \c{basics.test}. We also
-assume that its test target is a directory (so the target test directory is
-\c{$out_base/test/}).
+As an example, consider the following version of \c{basics.testscript}. We
+also assume that its test target is a directory (so the target test directory
+is \c{$out_base/test/}).
 
 \
 : group
@@ -960,7 +961,7 @@ the teardown commands are executed sequentially and in the order specified.
 Again, if any of them fail, the group execution is terminated and the group is
 considered to have failed.
 
-As an example, consider the following version of \c{basics.test}:
+As an example, consider the following version of \c{basics.testscript}:
 
 \
 test0
@@ -1016,7 +1017,7 @@ for this example:
 A testscript would normally contain multiple tests and sometimes it is
 desirable to only execute a specific test or a group of tests. For example,
 you may be debugging a failing test and would like to re-run it. As an
-example, consider the following testscript file called \c{basics.test}:
+example, consider the following testscript file called \c{basics.testscript}:
 
 \
 $* foo : foo
@@ -1037,10 +1038,10 @@ basics/fox/baz
 \
 
 To only run individual tests, test groups, or testscript files we can specify
-their id paths in the \c{config.test} variable, for example:
+their id paths in the \c{config.testscript} variable, for example:
 
 \
-$ b test config.test=basics                      # All in basics.test
+$ b test config.test=basics                      # All in basics.testscript
 $ b test config.test=basics/fox                  # All in fox
 $ b test config.test=basics/foo                  # Only foo
 $ b test 'config.test=basics/foo basics/fox/bar' # Only foo and bar
@@ -1624,7 +1625,7 @@ variable is assigned. You can, however, use variables assigned in the
 buildfile. For example:
 
 \
-include common-$(cxx.target.class).test
+include common-$(cxx.target.class).testscript
 \
 
 \h2#syntax-directive-include|Include|
@@ -2827,9 +2828,9 @@ tests. It is also a good idea to give the summary of the group, for example:
 \
 
 In the same vein, don't repeat the testscript id in group or test ids. For
-example, if the above tests were in the \c{greeting.test} testscript, then
-using \c{custom-greeting} as the group id would be unnecessarily repetitive
-since the id path would then become \c{greeting/custom-greeting/john}, etc.
+example, if the above tests were in \c{greeting.testscript}, then using
+\c{custom-greeting} as the group id would be unnecessarily repetitive since
+the id path would then become \c{greeting/custom-greeting/john}, etc.
 
 We quote values that are \i{strings} as opposed to options, file names, paths
 (unless contain spaces), integers, or boolean. When quoting, use the single
diff --git a/tests/bash/testscript b/tests/bash/testscript
index 39f247b..11f50c7 100644
--- a/tests/bash/testscript
+++ b/tests/bash/testscript
@@ -11,7 +11,7 @@ if ($test.target == $build.host && $build.host.class != 'windows')
   buildfile = true
   test.arguments =
 
-  .include ../common.test
+  .include ../common.testscript
 
   +cat <<EOI >+build/bootstrap.build
     using test
diff --git a/tests/build/root.build b/tests/build/root.build
index 6e4fea9..749e6c3 100644
--- a/tests/build/root.build
+++ b/tests/build/root.build
@@ -13,7 +13,7 @@ cxx{*}: extension = cxx
 # as our $build.path).
 #
 import b = build2%exe{b}
-test{*}: test = $b
+testscript{*}: test = $b
 
 # Specify the test target for cross-testing.
 #
diff --git a/tests/buildfile b/tests/buildfile
index 092b2ad..e53cbc9 100644
--- a/tests/buildfile
+++ b/tests/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: {*/ -build/} file{common.test}
+./: {*/ -build/} file{common.testscript}
diff --git a/tests/cc/libu/testscript b/tests/cc/libu/testscript
index 4552141..66424b8 100644
--- a/tests/cc/libu/testscript
+++ b/tests/cc/libu/testscript
@@ -5,7 +5,7 @@
 crosstest = false
 test.arguments = config.cxx="$recall($cxx.path)"
 
-.include ../../common.test
+.include ../../common.testscript
 
 +cat <<EOI >+build/bootstrap.build
 using test
diff --git a/tests/cc/modules/testscript b/tests/cc/modules/testscript
index 4401bfd..ea7bd97 100644
--- a/tests/cc/modules/testscript
+++ b/tests/cc/modules/testscript
@@ -5,7 +5,7 @@
 crosstest = false
 test.arguments = config.cxx="$recall($cxx.path)"
 
-.include ../../common.test
+.include ../../common.testscript
 
 +cat <<EOI >+build/bootstrap.build
 using test
diff --git a/tests/cc/preprocessed/testscript b/tests/cc/preprocessed/testscript
index 2c20d3f..853d563 100644
--- a/tests/cc/preprocessed/testscript
+++ b/tests/cc/preprocessed/testscript
@@ -5,7 +5,7 @@
 crosstest = false
 test.arguments = config.cxx="$recall($cxx.path)" update
 
-.include ../../common.test
+.include ../../common.testscript
 
 # Trace filter.
 #
diff --git a/tests/common.test b/tests/common.testscript
index 586e793..369c798 100644
--- a/tests/common.test
+++ b/tests/common.testscript
@@ -1,4 +1,4 @@
-# file      : tests/common.test
+# file      : tests/common.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/tests/directive/assert.test b/tests/directive/assert.testscript
index 2d70573..ffe6aa0 100644
--- a/tests/directive/assert.test
+++ b/tests/directive/assert.testscript
@@ -1,8 +1,8 @@
-# file      : tests/directive/assert.test
+# file      : tests/directive/assert.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 $* <'assert true'                     : true
 $* <'assert! false foo'               : not-false
diff --git a/tests/directive/buildfile b/tests/directive/buildfile
index c03a08d..ac4c752 100644
--- a/tests/directive/buildfile
+++ b/tests/directive/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{*} $b
+./: testscript{*} $b
diff --git a/tests/directive/run.test b/tests/directive/run.testscript
index 30d4a6a..ba4a413 100644
--- a/tests/directive/run.test
+++ b/tests/directive/run.testscript
@@ -1,4 +1,4 @@
-# file      : tests/directive/run.test
+# file      : tests/directive/run.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
@@ -6,7 +6,7 @@
 #
 crosstest = false
 
-.include ../common.test
+.include ../common.testscript
 
 : no-output
 :
diff --git a/tests/eval/buildfile b/tests/eval/buildfile
index 8fa0064..f7fa2d5 100644
--- a/tests/eval/buildfile
+++ b/tests/eval/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{*} $b
+./: testscript{*} $b
diff --git a/tests/eval/comma.test b/tests/eval/comma.testscript
index 1a36dd1..bb748d1 100644
--- a/tests/eval/comma.test
+++ b/tests/eval/comma.testscript
@@ -1,10 +1,10 @@
-# file      : tests/eval/comma.test
+# file      : tests/eval/comma.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test value packs (eval-comma).
 
-.include ../common.test
+.include ../common.testscript
 
 : comma
 :
diff --git a/tests/eval/comp.test b/tests/eval/comp.testscript
index c1a4cf7..481c50b 100644
--- a/tests/eval/comp.test
+++ b/tests/eval/comp.testscript
@@ -1,10 +1,10 @@
-# file      : tests/eval/comp.test
+# file      : tests/eval/comp.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test comparison operators (eval-comp).
 
-.include ../common.test
+.include ../common.testscript
 
 $* <'print (foo == bar)' >'false' : eq-false
 $* <'print (foo == foo)' >'true'  : eq-true
diff --git a/tests/eval/or-and.test b/tests/eval/or-and.testscript
index 796f92a..7796f74 100644
--- a/tests/eval/or-and.test
+++ b/tests/eval/or-and.testscript
@@ -1,10 +1,10 @@
-# file      : tests/eval/or-and.test
+# file      : tests/eval/or-and.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test logical operators (eval-or, eval-and).
 
-.include ../common.test
+.include ../common.testscript
 
 $* <'print (false || false)' >'false' : or-false
 $* <'print (false || true)'  >'true'  : or-true-1
diff --git a/tests/eval/qual.test b/tests/eval/qual.testscript
index babd956..e7bf472 100644
--- a/tests/eval/qual.test
+++ b/tests/eval/qual.testscript
@@ -1,10 +1,10 @@
-# file      : tests/eval/qual.test
+# file      : tests/eval/qual.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test qualified name (eval-qual).
 
-.include ../common.test
+.include ../common.testscript
 
 $* <'print (file{foo}: bar)' >'file{foo}:bar' : target
 $* <'print (foo/dir{}: bar)' >'dir{foo/}:bar' : scope
diff --git a/tests/eval/ternary.test b/tests/eval/ternary.testscript
index a220110..fc405e5 100644
--- a/tests/eval/ternary.test
+++ b/tests/eval/ternary.testscript
@@ -1,10 +1,10 @@
-# file      : tests/eval/ternary.test
+# file      : tests/eval/ternary.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test the ternary operator (eval-ternary).
 
-.include ../common.test
+.include ../common.testscript
 
 $* <'print (true  ? foo : bar)' >'foo' : true
 $* <'print (false ? foo : bar)' >'bar' : false
diff --git a/tests/eval/value.test b/tests/eval/value.testscript
index a3e1d4c..7cae6e2 100644
--- a/tests/eval/value.test
+++ b/tests/eval/value.testscript
@@ -1,10 +1,10 @@
-# file      : tests/eval/value.test
+# file      : tests/eval/value.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test value part of the grammar (eval-value).
 
-.include ../common.test
+.include ../common.testscript
 
 $* <'print (foo)' >'foo'           : value
 $* <'print ()'    >''              : value-empty
diff --git a/tests/expansion/buildfile b/tests/expansion/buildfile
index c144c23..7a73b9d 100644
--- a/tests/expansion/buildfile
+++ b/tests/expansion/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{*} $b
+./: testscript{*} $b
diff --git a/tests/expansion/concat.test b/tests/expansion/concat.testscript
index baaf1e1..75487b5 100644
--- a/tests/expansion/concat.test
+++ b/tests/expansion/concat.testscript
@@ -1,10 +1,10 @@
-# file      : tests/expansion/type.test
+# file      : tests/expansion/type.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test concatenated expansion.
 
-.include ../common.test
+.include ../common.testscript
 
 : typed-exceptions
 :
diff --git a/tests/expansion/type.test b/tests/expansion/type.testscript
index 8899aa3..12204a3 100644
--- a/tests/expansion/type.test
+++ b/tests/expansion/type.testscript
@@ -1,10 +1,10 @@
-# file      : tests/expansion/type.test
+# file      : tests/expansion/type.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test type propagation during expansion.
 
-.include ../common.test
+.include ../common.testscript
 
 : var
 :
diff --git a/tests/function/builtin/testscript b/tests/function/builtin/testscript
index d15eeb3..e54fb0f 100644
--- a/tests/function/builtin/testscript
+++ b/tests/function/builtin/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 : type
 :
diff --git a/tests/function/filesystem/testscript b/tests/function/filesystem/testscript
index 7dcfde9..42c09db 100644
--- a/tests/function/filesystem/testscript
+++ b/tests/function/filesystem/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 : path-search
 :
diff --git a/tests/function/install/testscript b/tests/function/install/testscript
index 73aba00..e2afc39 100644
--- a/tests/function/install/testscript
+++ b/tests/function/install/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 +cat <<EOI >+build/bootstrap.build
 using config
diff --git a/tests/function/path/testscript b/tests/function/path/testscript
index 8446bf0..84a1cc1 100644
--- a/tests/function/path/testscript
+++ b/tests/function/path/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 s = ($cxx.target.class != 'windows' ? '/' : '\')
 
diff --git a/tests/function/process/testscript b/tests/function/process/testscript
index f01af6f..d4fe864 100644
--- a/tests/function/process/testscript
+++ b/tests/function/process/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 : run
 :
diff --git a/tests/function/regex/testscript b/tests/function/regex/testscript
index 28d6c8e..4d48e04 100644
--- a/tests/function/regex/testscript
+++ b/tests/function/regex/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 : replace
 :
diff --git a/tests/hooks/testscript b/tests/hooks/testscript
index f0d5c14..92c9964 100644
--- a/tests/hooks/testscript
+++ b/tests/hooks/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 +cat <'print bootstrap'  >+build/bootstrap.build
 +cat <'print root'       >=build/root.build
diff --git a/tests/in/testscript b/tests/in/testscript
index 3e06137..9b4b38a 100644
--- a/tests/in/testscript
+++ b/tests/in/testscript
@@ -5,7 +5,7 @@
 crosstest = false
 test.arguments =
 
-.include ../common.test
+.include ../common.testscript
 
 +cat <<EOI >=build/root.build
 using in
diff --git a/tests/loop/buildfile b/tests/loop/buildfile
index e583492..3807ddf 100644
--- a/tests/loop/buildfile
+++ b/tests/loop/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{*} $b
+./: testscript{*} $b
diff --git a/tests/loop/for.test b/tests/loop/for.testscript
index 66bfc80..6aec1b2 100644
--- a/tests/loop/for.test
+++ b/tests/loop/for.testscript
@@ -1,10 +1,10 @@
-# file      : tests/loop/for.test
+# file      : tests/loop/for.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test for-loop.
 
-.include ../common.test
+.include ../common.testscript
 
 : line
 :
diff --git a/tests/name/buildfile b/tests/name/buildfile
index 4449a1f..1253202 100644
--- a/tests/name/buildfile
+++ b/tests/name/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{*} $b
+./: testscript{*} $b
diff --git a/tests/name/cross.test b/tests/name/cross.testscript
index 009b851..d625a2c 100644
--- a/tests/name/cross.test
+++ b/tests/name/cross.testscript
@@ -1,8 +1,8 @@
-# file      : tests/name/cross.test
+# file      : tests/name/cross.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 +cat <<EOI >=build/root.build
 define foo: file
diff --git a/tests/name/extension.test b/tests/name/extension.testscript
index 160c427..f9df173 100644
--- a/tests/name/extension.test
+++ b/tests/name/extension.testscript
@@ -1,8 +1,8 @@
-# file      : tests/name/extension.test
+# file      : tests/name/extension.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 +cat <<EOI >=build/root.build
 define txt: file
@@ -31,8 +31,8 @@ EOI
 
   : specified-default
   :
-  touch foo.test.txt;
-  $* <'./: txt{foo.test...}'
+  touch foo.testscript.txt;
+  $* <'./: txt{foo.testscript...}'
 
   # Trailing dots are not allowed on Windows.
   #
@@ -70,8 +70,8 @@ EOI
 
   : specified-default
   :
-  touch foo.test.txt;
-  $* <'print txt{fo?.test...}' >'txt{foo.test...}'
+  touch foo.testscript.txt;
+  $* <'print txt{fo?.testscript...}' >'txt{foo.testscript...}'
 
   # Trailing dots are not allowed on Windows.
   #
diff --git a/tests/name/pattern.test b/tests/name/pattern.testscript
index 8d8840c..d40e3a4 100644
--- a/tests/name/pattern.test
+++ b/tests/name/pattern.testscript
@@ -1,8 +1,8 @@
-# file      : tests/name/pattern.test
+# file      : tests/name/pattern.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 +cat <<EOI >=build/root.build
 define txt: file
diff --git a/tests/search/dir/testscript b/tests/search/dir/testscript
index 24162d7..dc4b3a5 100644
--- a/tests/search/dir/testscript
+++ b/tests/search/dir/testscript
@@ -4,7 +4,7 @@
 
 test.arguments = 'update(../)'
 
-.include ../../common.test
+.include ../../common.testscript
 
 # foo/ has no buildfile
 # bar/ has valid buildfile
diff --git a/tests/test/buildfile b/tests/test/buildfile
index ae792ed..699dab9 100644
--- a/tests/test/buildfile
+++ b/tests/test/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: */ file{common.test}
+./: */ file{common.testscript}
diff --git a/tests/test/common.test b/tests/test/common.testscript
index ed87424..e659187 100644
--- a/tests/test/common.test
+++ b/tests/test/common.testscript
@@ -1,4 +1,4 @@
-# file      : tests/test/common.test
+# file      : tests/test/common.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/tests/test/config-test/testscript b/tests/test/config-test/testscript
index 7aadaf2..a9fba83 100644
--- a/tests/test/config-test/testscript
+++ b/tests/test/config-test/testscript
@@ -1,4 +1,4 @@
-# file      : tests/test/config-build/testscript
+# file      : tests/test/config-test/testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
@@ -44,9 +44,9 @@ EOI
 #
 +mkdir proj/tests/script
 +cat <<EOI >=proj/tests/script/buildfile
-./: test{basics.test}
+./: testscript{basics.testscript}
 EOI
-+cat <<EOI >=proj/tests/script/basics.test
++cat <<EOI >=proj/tests/script/basics.testscript
 echo 'tests/script/basics/foo' >| : foo
 echo 'tests/script/basics/bar' >| : bar
 
diff --git a/tests/test/script/buildfile b/tests/test/script/buildfile
index 4adc9d0..8878415 100644
--- a/tests/test/script/buildfile
+++ b/tests/test/script/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: */ file{common.test}
+./: */ file{common.testscript}
diff --git a/tests/test/script/builtin/buildfile b/tests/test/script/builtin/buildfile
index 7338d4c..83ecfd2 100644
--- a/tests/test/script/builtin/buildfile
+++ b/tests/test/script/builtin/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{*} file{cp-dir/cp-file} $b
+./: testscript{*} file{cp-dir/cp-file} $b
diff --git a/tests/test/script/builtin/cat.test b/tests/test/script/builtin/cat.testscript
index 69ff578..b72edb4 100644
--- a/tests/test/script/builtin/cat.test
+++ b/tests/test/script/builtin/cat.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/cat.test
+# file      : tests/test/script/builtin/cat.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : in
 :
diff --git a/tests/test/script/builtin/cp.test b/tests/test/script/builtin/cp.testscript
index e81b395..e1b654f 100644
--- a/tests/test/script/builtin/cp.test
+++ b/tests/test/script/builtin/cp.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/cp.test
+# file      : tests/test/script/builtin/cp.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : args
 :
diff --git a/tests/test/script/builtin/echo.test b/tests/test/script/builtin/echo.testscript
index 28647f4..235a9f7 100644
--- a/tests/test/script/builtin/echo.test
+++ b/tests/test/script/builtin/echo.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/echo.test
+# file      : tests/test/script/builtin/echo.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : string
 :
diff --git a/tests/test/script/builtin/ln.test b/tests/test/script/builtin/ln.testscript
index 8b4c30e..5216d84 100644
--- a/tests/test/script/builtin/ln.test
+++ b/tests/test/script/builtin/ln.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/ln.test
+# file      : tests/test/script/builtin/ln.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : args
 :
diff --git a/tests/test/script/builtin/mkdir.test b/tests/test/script/builtin/mkdir.testscript
index 92cd2e0..6b082bd 100644
--- a/tests/test/script/builtin/mkdir.test
+++ b/tests/test/script/builtin/mkdir.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/mkdir.test
+# file      : tests/test/script/builtin/mkdir.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : dirs
 :
diff --git a/tests/test/script/builtin/mv.test b/tests/test/script/builtin/mv.testscript
index 291832e..321fee5 100644
--- a/tests/test/script/builtin/mv.test
+++ b/tests/test/script/builtin/mv.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/mv.test
+# file      : tests/test/script/builtin/mv.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : args
 :
diff --git a/tests/test/script/builtin/rm.test b/tests/test/script/builtin/rm.testscript
index 3679ff1..3dd2674 100644
--- a/tests/test/script/builtin/rm.test
+++ b/tests/test/script/builtin/rm.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/rm.test
+# file      : tests/test/script/builtin/rm.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : no-args
 :
diff --git a/tests/test/script/builtin/rmdir.test b/tests/test/script/builtin/rmdir.testscript
index 0e53bde..99dcaf1 100644
--- a/tests/test/script/builtin/rmdir.test
+++ b/tests/test/script/builtin/rmdir.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/rmdir.test
+# file      : tests/test/script/builtin/rmdir.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : no-args
 :
diff --git a/tests/test/script/builtin/sed.test b/tests/test/script/builtin/sed.testscript
index 71824a1..9db7cb4 100644
--- a/tests/test/script/builtin/sed.test
+++ b/tests/test/script/builtin/sed.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/sed.test
+# file      : tests/test/script/builtin/sed.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : arg
 :
diff --git a/tests/test/script/builtin/test.test b/tests/test/script/builtin/test.testscript
index 73d89bc..f49b92b 100644
--- a/tests/test/script/builtin/test.test
+++ b/tests/test/script/builtin/test.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/test.test
+# file      : tests/test/script/builtin/test.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : file
 :
diff --git a/tests/test/script/builtin/touch.test b/tests/test/script/builtin/touch.testscript
index 04391bd..d58ed7f 100644
--- a/tests/test/script/builtin/touch.test
+++ b/tests/test/script/builtin/touch.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/builtin/touch.test
+# file      : tests/test/script/builtin/touch.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : file
 :
diff --git a/tests/test/script/common.test b/tests/test/script/common.testscript
index bf9ebba..b509818 100644
--- a/tests/test/script/common.test
+++ b/tests/test/script/common.testscript
@@ -1,4 +1,4 @@
-# file      : tests/test/script/common.test
+# file      : tests/test/script/common.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
@@ -20,7 +20,7 @@ EOI
 +if! $empty($target)
   cat <<"EOI" >=build/root.build
   target = \$src_root/../../$string([name] $target)
-  test{*}: test = \$target
+  testscript{*}: test = \$target
   EOI
 end
 
@@ -32,5 +32,6 @@ end
 # automatically becoming dir{./}'s prerequisite.
 #
 c = cat >=testscript
-b = $0 --serial-stop --quiet --buildfile - test <"'test{testscript}: \$target'" \
+b = $0 --serial-stop --quiet --buildfile - test \
+<"'testscript{testscript}: \$target'" \
 &?test/***
diff --git a/tests/test/script/generated/testscript b/tests/test/script/generated/testscript
index 6f19fb1..0a28aa0 100644
--- a/tests/test/script/generated/testscript
+++ b/tests/test/script/generated/testscript
@@ -4,9 +4,9 @@
 
 test.arguments = test clean
 
-# Note: using common.test from test/, not script/.
+# Note: using common.testscript from test/, not script/.
 #
-.include ../../common.test
+.include ../../common.testscript
 
 # @@ in module
 #
diff --git a/tests/test/script/integration/testscript b/tests/test/script/integration/testscript
index 7176e0e..7bdad54 100644
--- a/tests/test/script/integration/testscript
+++ b/tests/test/script/integration/testscript
@@ -2,19 +2,19 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-# Note: using common.test from test/, not script/.
+# Note: using common.testscript from test/, not script/.
 #
-.include ../../common.test
+.include ../../common.testscript
 
 : script-files
 :
 {
-  +touch testscript foo.test bar.test
+  +touch testscript foo.testscript bar.testscript
 
   : testscript-and-other
   :
   $* <<EOI 2>>/EOE != 0
-  ./: ../testscript test{../foo}
+  ./: ../testscript testscript{../foo}
   EOI
   error: both 'testscript' and other names specified for dir{./}
   EOE
@@ -22,7 +22,7 @@
   : other-and-testscript
   :
   $* <<EOI 2>>/EOE != 0
-  ./: test{../foo} ../testscript
+  ./: testscript{../foo} ../testscript
   EOI
   error: both 'testscript' and other names specified for dir{./}
   EOE
@@ -30,7 +30,7 @@
   : others
   :
   $* <<EOI
-  ./: test{../foo ../bar}
+  ./: testscript{../foo ../bar}
   EOI
 }
 
@@ -39,31 +39,31 @@
 : Note that here we can not use portable path modifier as not all slashes are
 : path separators.
 :
-touch foo.test;
+touch foo.testscript;
 touch test;
 $* <<EOI 2>>~%EOE% != 0
-./: test{foo}
+./: testscript{foo}
 EOI
 %error: working directory test[/\\] is a file/symlink%
 EOE
 
 : wd-exists-before
 :
-touch foo.test;
+touch foo.testscript;
 mkdir test &!test/;
 $* <<EOI 2>>/EOE
-./: test{foo}
+./: testscript{foo}
 EOI
 warning: working directory test/ exists at the beginning of the test
 EOE
 
 : wd-not-empty-before
 :
-touch foo.test;
+touch foo.testscript;
 mkdir test &!test/;
 touch test/dummy &!test/dummy;
 $* <<EOI 2>>/EOE
-./: test{foo}
+./: testscript{foo}
 EOI
 warning: working directory test/ exists and is not empty at the beginning of the test
 EOE
@@ -76,11 +76,11 @@ EOE
 : scope. Also note that we still have to remove everything after detecting the
 : failure.
 :
-cat <<EOI >=foo.test;
+cat <<EOI >=foo.testscript;
 touch ../../dummy
 EOI
 $* <<EOI 2>>/EOE &test/*** != 0
-./: test{foo}
+./: testscript{foo}
 EOI
 error: working directory test/ is not empty at the end of the test
 EOE
diff --git a/tests/test/script/runner/buildfile b/tests/test/script/runner/buildfile
index 0067ec1..6e8bdd3 100644
--- a/tests/test/script/runner/buildfile
+++ b/tests/test/script/runner/buildfile
@@ -2,9 +2,9 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{*} exe{driver} $b
+./: testscript{*} exe{driver} $b
 
-test{*}: target = exe{driver}
+testscript{*}: target = exe{driver}
 
 import libs = libbutl%lib{butl}
 exe{driver}: {hxx cxx}{*} $libs
diff --git a/tests/test/script/runner/cleanup.test b/tests/test/script/runner/cleanup.testscript
index 2d99215..7ea1acd 100644
--- a/tests/test/script/runner/cleanup.test
+++ b/tests/test/script/runner/cleanup.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/runner/cleanup.test
+# file      : tests/test/script/runner/cleanup.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 b += --no-column
 
diff --git a/tests/test/script/runner/exit.test b/tests/test/script/runner/exit.testscript
index 7933203..9329ae4 100644
--- a/tests/test/script/runner/exit.test
+++ b/tests/test/script/runner/exit.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/runner/exit.test
+# file      : tests/test/script/runner/exit.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : special
 :
@@ -75,7 +75,7 @@
 : execution
 :
 : Test that only expected commands are executed. Note that we rely on the fact
-: that their execution is performed serially (see ../common.test for details).
+: that their execution is performed serially (see ../common.testscript for details).
 :
 {
   : test-scope
diff --git a/tests/test/script/runner/expr.test b/tests/test/script/runner/expr.testscript
index cfc5277..36c15fd 100644
--- a/tests/test/script/runner/expr.test
+++ b/tests/test/script/runner/expr.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/runner/expr.test
+# file      : tests/test/script/runner/expr.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : short-circuit
 :
diff --git a/tests/test/script/runner/if.test b/tests/test/script/runner/if.testscript
index f22f761..a625c34 100644
--- a/tests/test/script/runner/if.test
+++ b/tests/test/script/runner/if.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/runner/if.test
+# file      : tests/test/script/runner/if.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : if-branch
 :
diff --git a/tests/test/script/runner/output.test b/tests/test/script/runner/output.testscript
index a83c092..ec9ff92 100644
--- a/tests/test/script/runner/output.test
+++ b/tests/test/script/runner/output.testscript
@@ -1,4 +1,4 @@
-# file      : tests/test/script/runner/output.test
+# file      : tests/test/script/runner/output.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
@@ -7,7 +7,7 @@
 # spread the feature tests among several places.
 #
 
-.include ../common.test
+.include ../common.testscript
 
 : after
 :
diff --git a/tests/test/script/runner/pipe.test b/tests/test/script/runner/pipe.testscript
index 03d8b2a..7ef5893 100644
--- a/tests/test/script/runner/pipe.test
+++ b/tests/test/script/runner/pipe.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/runner/pipe.test
+# file      : tests/test/script/runner/pipe.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 $c <'cat <foo | $* -i 1 >foo' && $b  : builtin-to-process
 $c <'$* -o foo | cat >foo' && $b     : process-to-builtin
diff --git a/tests/test/script/runner/redirect.test b/tests/test/script/runner/redirect.testscript
index 13d7219..21e9d07 100644
--- a/tests/test/script/runner/redirect.test
+++ b/tests/test/script/runner/redirect.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/runner/redirect.test
+# file      : tests/test/script/runner/redirect.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 b += --no-column
 
@@ -14,7 +14,7 @@ psr = ($cxx.target.class != 'windows' ? '/' : '\\') # Path separator in regex.
 {
   cat <'$* -i 1 -e bar <| >| 2>|' >=testscript;
   cat <<EOI >=buildfile;
-  test{testscript}: $target
+  testscript{testscript}: $target
   EOI
   $0 --serial-stop --quiet test <foo >foo 2>bar
 }
@@ -144,7 +144,7 @@ psr = ($cxx.target.class != 'windows' ? '/' : '\\') # Path separator in regex.
   : regex
   :
   : Test regex matching. Note that tests that check regex parsing are located
-  : in regex.test testscript.
+  : in regex.testscript.
   :
   {
     : match
@@ -401,7 +401,7 @@ psr = ($cxx.target.class != 'windows' ? '/' : '\\') # Path separator in regex.
   : regex
   :
   : Test regex matching. Note that tests that check regex parsing are located
-  : in regex.test testscript.
+  : in regex.testscript.
   :
   {
     : match
diff --git a/tests/test/script/runner/regex.test b/tests/test/script/runner/regex.testscript
index 018976c..46b1872 100644
--- a/tests/test/script/runner/regex.test
+++ b/tests/test/script/runner/regex.testscript
@@ -1,4 +1,4 @@
-# file      : tests/test/script/runner/regex.test
+# file      : tests/test/script/runner/regex.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
@@ -9,13 +9,13 @@
 #
 # Note that such a tests are separated from ones that check regex matching
 # specifically (in particular matching failures), The latest ones are located
-# in redirect.test testscript.
+# in redirect.testscript.
 #
 # Also note that the following tests are grouped by features: basic
 # functionality, flags, portable-path modifier.
 #
 
-.include ../common.test
+.include ../common.testscript
 
 : basic
 :
diff --git a/tests/test/script/runner/set.test b/tests/test/script/runner/set.testscript
index 2266ae9..b10ce1e 100644
--- a/tests/test/script/runner/set.test
+++ b/tests/test/script/runner/set.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/runner/set.test
+# file      : tests/test/script/runner/set.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : special
 :
diff --git a/tests/test/script/runner/status.test b/tests/test/script/runner/status.testscript
index 86d9ca4..1689a69 100644
--- a/tests/test/script/runner/status.test
+++ b/tests/test/script/runner/status.testscript
@@ -1,8 +1,8 @@
-# file      : tests/test/script/runner/status.test
+# file      : tests/test/script/runner/status.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 b += --no-column
 
diff --git a/tests/test/simple/generated/testscript b/tests/test/simple/generated/testscript
index 61258b0..08bd3e3 100644
--- a/tests/test/simple/generated/testscript
+++ b/tests/test/simple/generated/testscript
@@ -4,7 +4,7 @@
 
 test.arguments = test clean
 
-.include ../../common.test
+.include ../../common.testscript
 
 # @@ in module
 #
diff --git a/tests/value/buildfile b/tests/value/buildfile
index 1ab26d5..a43074c 100644
--- a/tests/value/buildfile
+++ b/tests/value/buildfile
@@ -2,4 +2,4 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-./: test{*} $b
+./: testscript{*} $b
diff --git a/tests/value/concat.test b/tests/value/concat.testscript
index 79f004c..581c3ad 100644
--- a/tests/value/concat.test
+++ b/tests/value/concat.testscript
@@ -1,8 +1,8 @@
-# file      : tests/value/concat.test
+# file      : tests/value/concat.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../common.test
+.include ../common.testscript
 
 : dir_path
 :
diff --git a/tests/value/reverse.test b/tests/value/reverse.testscript
index 9ea9d09..6294d3f 100644
--- a/tests/value/reverse.test
+++ b/tests/value/reverse.testscript
@@ -1,11 +1,11 @@
-# file      : tests/value/reverse.test
+# file      : tests/value/reverse.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
 # Test reversal to canonical/original representation.
 #
 
-.include ../common.test
+.include ../common.testscript
 
 : name
 :
diff --git a/tests/variable/override/testscript b/tests/variable/override/testscript
index 591fc19..00ffdb9 100644
--- a/tests/variable/override/testscript
+++ b/tests/variable/override/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 : cache-invalidation
 :
diff --git a/tests/variable/prerequisite-specific/testscript b/tests/variable/prerequisite-specific/testscript
index d0ce5e0..1c7e7bd 100644
--- a/tests/variable/prerequisite-specific/testscript
+++ b/tests/variable/prerequisite-specific/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 # There is currently no support for expanding prerequisite-specific variables
 # (since there is no way to id a prerequisite) so we use dump.
diff --git a/tests/variable/scope-specific/testscript b/tests/variable/scope-specific/testscript
index 2f519d2..5f9a05d 100644
--- a/tests/variable/scope-specific/testscript
+++ b/tests/variable/scope-specific/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 : basic-line
 :
diff --git a/tests/variable/target-specific/testscript b/tests/variable/target-specific/testscript
index 8d9917c..497c863 100644
--- a/tests/variable/target-specific/testscript
+++ b/tests/variable/target-specific/testscript
@@ -2,7 +2,7 @@
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-.include ../../common.test
+.include ../../common.testscript
 
 : basic-line
 :
diff --git a/unit-tests/cc/lexer/buildfile b/unit-tests/cc/lexer/buildfile
index bf7c1c5..4aa8b51 100644
--- a/unit-tests/cc/lexer/buildfile
+++ b/unit-tests/cc/lexer/buildfile
@@ -3,4 +3,4 @@
 # license   : MIT; see accompanying LICENSE file
 
 include ../../../build2/
-exe{driver}: {hxx cxx}{*} ../../../build2/libu{b} test{*}
+exe{driver}: {hxx cxx}{*} ../../../build2/libu{b} testscript{*}
diff --git a/unit-tests/cc/lexer/char-literal.test b/unit-tests/cc/lexer/char-literal.testscript
index 6253096..dac66e2 100644
--- a/unit-tests/cc/lexer/char-literal.test
+++ b/unit-tests/cc/lexer/char-literal.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/cc/lexer/char-literal.test
+# file      : unit-tests/cc/lexer/char-literal.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/cc/lexer/comment.test b/unit-tests/cc/lexer/comment.testscript
index 2b5d81e..d4ad675 100644
--- a/unit-tests/cc/lexer/comment.test
+++ b/unit-tests/cc/lexer/comment.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/cc/lexer/comment.test
+# file      : unit-tests/cc/lexer/comment.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/cc/lexer/line.test b/unit-tests/cc/lexer/line.testscript
index 83ebbeb..01961eb 100644
--- a/unit-tests/cc/lexer/line.test
+++ b/unit-tests/cc/lexer/line.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/cc/lexer/line.test
+# file      : unit-tests/cc/lexer/line.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/cc/lexer/number.test b/unit-tests/cc/lexer/number.testscript
index 7336037..cb82d5f 100644
--- a/unit-tests/cc/lexer/number.test
+++ b/unit-tests/cc/lexer/number.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/cc/lexer/number.test
+# file      : unit-tests/cc/lexer/number.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/cc/lexer/preprocessor.test b/unit-tests/cc/lexer/preprocessor.testscript
index fbe578d..1d86115 100644
--- a/unit-tests/cc/lexer/preprocessor.test
+++ b/unit-tests/cc/lexer/preprocessor.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/cc/lexer/preprocessor.test
+# file      : unit-tests/cc/lexer/preprocessor.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/cc/lexer/raw-string-literal.test b/unit-tests/cc/lexer/raw-string-literal.testscript
index 09b54b5..df475ef 100644
--- a/unit-tests/cc/lexer/raw-string-literal.test
+++ b/unit-tests/cc/lexer/raw-string-literal.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/cc/lexer/raw-string-literal.test
+# file      : unit-tests/cc/lexer/raw-string-literal.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/cc/lexer/string-literal.test b/unit-tests/cc/lexer/string-literal.testscript
index b21b1d2..e5eb189 100644
--- a/unit-tests/cc/lexer/string-literal.test
+++ b/unit-tests/cc/lexer/string-literal.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/cc/lexer/string-literal.test
+# file      : unit-tests/cc/lexer/string-literal.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/cc/parser/buildfile b/unit-tests/cc/parser/buildfile
index c01c1c0..fce77f4 100644
--- a/unit-tests/cc/parser/buildfile
+++ b/unit-tests/cc/parser/buildfile
@@ -3,4 +3,4 @@
 # license   : MIT; see accompanying LICENSE file
 
 include ../../../build2/
-exe{driver}: {hxx cxx}{*} ../../../build2/libu{b} test{*}
+exe{driver}: {hxx cxx}{*} ../../../build2/libu{b} testscript{*}
diff --git a/unit-tests/cc/parser/module.test b/unit-tests/cc/parser/module.testscript
index 65186cd..c6a7e31 100644
--- a/unit-tests/cc/parser/module.test
+++ b/unit-tests/cc/parser/module.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/cc/parser/module.test
+# file      : unit-tests/cc/parser/module.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/function/buildfile b/unit-tests/function/buildfile
index a3eb72f..d318351 100644
--- a/unit-tests/function/buildfile
+++ b/unit-tests/function/buildfile
@@ -3,4 +3,4 @@
 # license   : MIT; see accompanying LICENSE file
 
 include ../../build2/
-exe{driver}: {hxx cxx}{*} ../../build2/libu{b} test{*}
+exe{driver}: {hxx cxx}{*} ../../build2/libu{b} testscript{*}
diff --git a/unit-tests/function/call.test b/unit-tests/function/call.testscript
index 3dd9a85..4bc5897 100644
--- a/unit-tests/function/call.test
+++ b/unit-tests/function/call.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/function/call.test
+# file      : unit-tests/function/call.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/function/syntax.test b/unit-tests/function/syntax.testscript
index 4620e6a..c9c56d3 100644
--- a/unit-tests/function/syntax.test
+++ b/unit-tests/function/syntax.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/function/syntax.test
+# file      : unit-tests/function/syntax.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/lexer/buildfile b/unit-tests/lexer/buildfile
index 2e14979..7434018 100644
--- a/unit-tests/lexer/buildfile
+++ b/unit-tests/lexer/buildfile
@@ -3,4 +3,4 @@
 # license   : MIT; see accompanying LICENSE file
 
 include ../../build2/
-exe{driver}: {hxx cxx}{*} ../../build2/libu{b} test{*}
+exe{driver}: {hxx cxx}{*} ../../build2/libu{b} testscript{*}
diff --git a/unit-tests/lexer/buildspec.test b/unit-tests/lexer/buildspec.testscript
index 9aa0f55..d3dd660 100644
--- a/unit-tests/lexer/buildspec.test
+++ b/unit-tests/lexer/buildspec.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/lexer/buildspec.test
+# file      : unit-tests/lexer/buildspec.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/lexer/comment.test b/unit-tests/lexer/comment.testscript
index 8e0ef2e..44aee11 100644
--- a/unit-tests/lexer/comment.test
+++ b/unit-tests/lexer/comment.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/lexer/comment.test
+# file      : unit-tests/lexer/comment.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/lexer/eval.test b/unit-tests/lexer/eval.testscript
index 4bd33c4..f09eed4 100644
--- a/unit-tests/lexer/eval.test
+++ b/unit-tests/lexer/eval.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/lexer/eval.test
+# file      : unit-tests/lexer/eval.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/lexer/quoting.test b/unit-tests/lexer/quoting.testscript
index 708e904..8543a67 100644
--- a/unit-tests/lexer/quoting.test
+++ b/unit-tests/lexer/quoting.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/lexer/quoting.test
+# file      : unit-tests/lexer/quoting.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/lexer/buildfile b/unit-tests/test/script/lexer/buildfile
index 34c5d9f..bbfc032 100644
--- a/unit-tests/test/script/lexer/buildfile
+++ b/unit-tests/test/script/lexer/buildfile
@@ -3,4 +3,4 @@
 # license   : MIT; see accompanying LICENSE file
 
 include ../../../../build2/
-exe{driver}: {hxx cxx}{*} ../../../../build2/libu{b} test{*}
+exe{driver}: {hxx cxx}{*} ../../../../build2/libu{b} testscript{*}
diff --git a/unit-tests/test/script/lexer/command-expansion.test b/unit-tests/test/script/lexer/command-expansion.testscript
index 88d7ced..228fb61 100644
--- a/unit-tests/test/script/lexer/command-expansion.test
+++ b/unit-tests/test/script/lexer/command-expansion.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/lexer/command-expansion.test
+# file      : unit-tests/test/script/lexer/command-expansion.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/lexer/command-line.test b/unit-tests/test/script/lexer/command-line.testscript
index 0b396b8..f84bc86 100644
--- a/unit-tests/test/script/lexer/command-line.test
+++ b/unit-tests/test/script/lexer/command-line.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/lexer/command-line.test
+# file      : unit-tests/test/script/lexer/command-line.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/lexer/description-line.test b/unit-tests/test/script/lexer/description-line.testscript
index 5f2ea13..e14c8a0 100644
--- a/unit-tests/test/script/lexer/description-line.test
+++ b/unit-tests/test/script/lexer/description-line.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/lexer/description-line.test
+# file      : unit-tests/test/script/lexer/description-line.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/lexer/first-token.test b/unit-tests/test/script/lexer/first-token.testscript
index d754d69..0484b6d 100644
--- a/unit-tests/test/script/lexer/first-token.test
+++ b/unit-tests/test/script/lexer/first-token.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/lexer/first-token.test
+# file      : unit-tests/test/script/lexer/first-token.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/lexer/second-token.test b/unit-tests/test/script/lexer/second-token.testscript
index 8b3f452..d7cc501 100644
--- a/unit-tests/test/script/lexer/second-token.test
+++ b/unit-tests/test/script/lexer/second-token.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/lexer/second-token.test
+# file      : unit-tests/test/script/lexer/second-token.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/lexer/variable-line.test b/unit-tests/test/script/lexer/variable-line.testscript
index 68d3a71..b28bc93 100644
--- a/unit-tests/test/script/lexer/variable-line.test
+++ b/unit-tests/test/script/lexer/variable-line.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/lexer/variable-line.test
+# file      : unit-tests/test/script/lexer/variable-line.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/lexer/variable.test b/unit-tests/test/script/lexer/variable.testscript
index 60106ab..b4f793e 100644
--- a/unit-tests/test/script/lexer/variable.test
+++ b/unit-tests/test/script/lexer/variable.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/lexer/variable.test
+# file      : unit-tests/test/script/lexer/variable.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/buildfile b/unit-tests/test/script/parser/buildfile
index ee0e26d..173b15d 100644
--- a/unit-tests/test/script/parser/buildfile
+++ b/unit-tests/test/script/parser/buildfile
@@ -3,4 +3,4 @@
 # license   : MIT; see accompanying LICENSE file
 
 include ../../../../build2/
-exe{driver}: {hxx cxx}{*} ../../../../build2/libu{b} test{*}
+exe{driver}: {hxx cxx}{*} ../../../../build2/libu{b} testscript{*}
diff --git a/unit-tests/test/script/parser/cleanup.test b/unit-tests/test/script/parser/cleanup.testscript
index 1b43c90..b429f5d 100644
--- a/unit-tests/test/script/parser/cleanup.test
+++ b/unit-tests/test/script/parser/cleanup.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/cleanup.test
+# file      : unit-tests/test/script/parser/cleanup.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/command-if.test b/unit-tests/test/script/parser/command-if.testscript
index 4936553..264c522 100644
--- a/unit-tests/test/script/parser/command-if.test
+++ b/unit-tests/test/script/parser/command-if.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/command-if.test
+# file      : unit-tests/test/script/parser/command-if.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/command-re-parse.test b/unit-tests/test/script/parser/command-re-parse.testscript
index a6ef6d3..b137b0e 100644
--- a/unit-tests/test/script/parser/command-re-parse.test
+++ b/unit-tests/test/script/parser/command-re-parse.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/command-re-parse.test
+# file      : unit-tests/test/script/parser/command-re-parse.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/description.test b/unit-tests/test/script/parser/description.testscript
index e651a4a..1945cd2 100644
--- a/unit-tests/test/script/parser/description.test
+++ b/unit-tests/test/script/parser/description.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/description.test
+# file      : unit-tests/test/script/parser/description.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/directive.test b/unit-tests/test/script/parser/directive.testscript
index 66bae0d..82fc471 100644
--- a/unit-tests/test/script/parser/directive.test
+++ b/unit-tests/test/script/parser/directive.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/directive.test
+# file      : unit-tests/test/script/parser/directive.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
@@ -6,11 +6,11 @@
 :
 $* <<EOI >>EOO
 x = x
-".include" foo.test
-\.include foo.test
+".include" foo.testscript
+\.include foo.testscript
 EOI
-.include foo.test
-.include foo.test
+.include foo.testscript
+.include foo.testscript
 EOO
 
 : expected-name
@@ -31,26 +31,26 @@ EOE
 
 : separated
 :
-touch foo.test;
+touch foo.testscript;
 $* <<EOI
-.  include foo.test
+.  include foo.testscript
 EOI
 
 : not-separated
 :
-touch foo.test;
+touch foo.testscript;
 $* <<EOI
-x = foo.test
+x = foo.testscript
 .include$x
 EOI
 
 : var-expansion
 :
-cat <<EOI >="foo-$(build.verson.project).test";
+cat <<EOI >="foo-$(build.verson.project).testscript";
 cmd
 EOI
 $* <<EOI >>EOO
-.include "foo-$(build.verson.project).test"
+.include "foo-$(build.verson.project).testscript"
 EOI
 cmd
 EOO
@@ -59,7 +59,7 @@ EOO
 :
 $* <<EOI 2>>EOE != 0
 cmd;
-.include foo.test
+.include foo.testscript
 EOI
 testscript:2:1: error: directive after ';'
 EOE
@@ -67,8 +67,8 @@ EOE
 : semi-after
 :
 $* <<EOI 2>>EOE != 0
-.include foo.test;
+.include foo.testscript;
 cmd
 EOI
-testscript:1:18: error: ';' after directive
+testscript:1:24: error: ';' after directive
 EOE
diff --git a/unit-tests/test/script/parser/exit.test b/unit-tests/test/script/parser/exit.testscript
index 3c796f1..af3707d 100644
--- a/unit-tests/test/script/parser/exit.test
+++ b/unit-tests/test/script/parser/exit.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/exit.test
+# file      : unit-tests/test/script/parser/exit.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/expansion.test b/unit-tests/test/script/parser/expansion.testscript
index e161c2c..710d7a1 100644
--- a/unit-tests/test/script/parser/expansion.test
+++ b/unit-tests/test/script/parser/expansion.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/expansion.test
+# file      : unit-tests/test/script/parser/expansion.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/here-document.test b/unit-tests/test/script/parser/here-document.testscript
index 9aebed4..ad2be7d 100644
--- a/unit-tests/test/script/parser/here-document.test
+++ b/unit-tests/test/script/parser/here-document.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/here-document.test
+# file      : unit-tests/test/script/parser/here-document.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/here-string.test b/unit-tests/test/script/parser/here-string.testscript
index f5e3c94..a9e42c0 100644
--- a/unit-tests/test/script/parser/here-string.test
+++ b/unit-tests/test/script/parser/here-string.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/here-string.test
+# file      : unit-tests/test/script/parser/here-string.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/include.test b/unit-tests/test/script/parser/include.testscript
index 99e17de..5e31f0d 100644
--- a/unit-tests/test/script/parser/include.test
+++ b/unit-tests/test/script/parser/include.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/include.test
+# file      : unit-tests/test/script/parser/include.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
@@ -11,27 +11,27 @@ EOI
 
 : empty
 :
-touch foo.test;
+touch foo.testscript;
 $* <<EOI
-.include foo.test
-.include --once foo.test
+.include foo.testscript
+.include --once foo.testscript
 EOI
 
 : one
 :
-cat <"cmd" >=foo.test;
+cat <"cmd" >=foo.testscript;
 $* <<EOI >>EOO
-.include foo.test
+.include foo.testscript
 EOI
 cmd
 EOO
 
 : multiple
 :
-cat <"cmd foo" >=foo.test;
-cat <"cmd bar" >=bar.test;
+cat <"cmd foo" >=foo.testscript;
+cat <"cmd bar" >=bar.testscript;
 $* <<EOI >>EOO
-.include foo.test bar.test
+.include foo.testscript bar.testscript
 EOI
 cmd foo
 cmd bar
@@ -39,14 +39,14 @@ EOO
 
 : once
 :
-cat <"cmd" >=foo.test;
+cat <"cmd" >=foo.testscript;
 $* <<EOI >>EOO
-.include foo.test
+.include foo.testscript
 x
-.include --once foo.test
-.include --once bar/../foo.test
+.include --once foo.testscript
+.include --once bar/../foo.testscript
 y
-.include ../once/foo.test
+.include ../once/foo.testscript
 EOI
 cmd
 x
@@ -56,14 +56,14 @@ EOO
 
 : group-id
 :
-cat <<EOI >=foo.test;
+cat <<EOI >=foo.testscript;
 {
   x = b
 }
 EOI
 $* -s -i <<EOI >>EOO
 x = a
-.include foo.test
+.include foo.testscript
 EOI
 {
   { # 2-foo-1
@@ -73,12 +73,12 @@ EOO
 
 : test-id
 :
-cat <<EOI >=foo.test;
+cat <<EOI >=foo.testscript;
 cmd
 EOI
 $* -s -i <<EOI >>EOO
 x = a
-.include foo.test
+.include foo.testscript
 EOI
 {
   { # 2-foo-1
@@ -98,7 +98,7 @@ EOE
 : unable-open
 :
 $* <<EOI 2>>~/EOE/ != 0
-.include foo.test
+.include foo.testscript
 EOI
-/testscript:1:2: error: unable to read testscript foo.test: .+/
+/testscript:1:2: error: unable to read testscript foo.testscript: .+/
 EOE
diff --git a/unit-tests/test/script/parser/pipe-expr.test b/unit-tests/test/script/parser/pipe-expr.testscript
index 3b06da3..7086181 100644
--- a/unit-tests/test/script/parser/pipe-expr.test
+++ b/unit-tests/test/script/parser/pipe-expr.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/pipe-expr.test
+# file      : unit-tests/test/script/parser/pipe-expr.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/pre-parse.test b/unit-tests/test/script/parser/pre-parse.testscript
index b1f4209..d37f972 100644
--- a/unit-tests/test/script/parser/pre-parse.test
+++ b/unit-tests/test/script/parser/pre-parse.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/pre-parse.test
+# file      : unit-tests/test/script/parser/pre-parse.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/redirect.test b/unit-tests/test/script/parser/redirect.testscript
index 766d6cc..4001a3b 100644
--- a/unit-tests/test/script/parser/redirect.test
+++ b/unit-tests/test/script/parser/redirect.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/redirect.test
+# file      : unit-tests/test/script/parser/redirect.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/regex.test b/unit-tests/test/script/parser/regex.testscript
index d8ebb68..67832eb 100644
--- a/unit-tests/test/script/parser/regex.test
+++ b/unit-tests/test/script/parser/regex.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/regex.test
+# file      : unit-tests/test/script/parser/regex.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/scope-if.test b/unit-tests/test/script/parser/scope-if.testscript
index c0cf6fb..c76fab7 100644
--- a/unit-tests/test/script/parser/scope-if.test
+++ b/unit-tests/test/script/parser/scope-if.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/scope-if.test
+# file      : unit-tests/test/script/parser/scope-if.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
diff --git a/unit-tests/test/script/parser/scope.test b/unit-tests/test/script/parser/scope.testscript
index 21a6f50..721e455 100644
--- a/unit-tests/test/script/parser/scope.test
+++ b/unit-tests/test/script/parser/scope.testscript
@@ -1,9 +1,9 @@
-# file      : unit-tests/test/script/parser/scope.test
+# file      : unit-tests/test/script/parser/scope.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file
 
-$* testscript <'cmd $@' >"cmd 1"     : id-testscript
-$* foo.test   <'cmd $@' >"cmd foo/1" : id
+$* testscript     <'cmd $@' >"cmd 1"     : id-testscript
+$* foo.testscript <'cmd $@' >"cmd foo/1" : id
 
 : wd-testscript
 :
@@ -11,7 +11,7 @@ $* testscript <'cmd "$~"' >~"%cmd '?.+[/\\\\]test-driver[/\\\\]1'?%"
 
 : wd
 :
-$* foo.test <'cmd "$~"' >~"%cmd '?.+[/\\\\]test-driver[/\\\\]foo[/\\\\]1'?%"
+$* foo.testscript <'cmd "$~"' >~"%cmd '?.+[/\\\\]test-driver[/\\\\]foo[/\\\\]1'?%"
 
 : group
 :
diff --git a/unit-tests/test/script/parser/setup-teardown.test b/unit-tests/test/script/parser/setup-teardown.testscript
index f9cbb04..12fde8c 100644
--- a/unit-tests/test/script/parser/setup-teardown.test
+++ b/unit-tests/test/script/parser/setup-teardown.testscript
@@ -1,4 +1,4 @@
-# file      : unit-tests/test/script/parser/setup-teardown.test
+# file      : unit-tests/test/script/parser/setup-teardown.testscript
 # copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
 # license   : MIT; see accompanying LICENSE file