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-rw-r--r--tests/timestamp/driver.cxx159
1 files changed, 159 insertions, 0 deletions
diff --git a/tests/timestamp/driver.cxx b/tests/timestamp/driver.cxx
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+// file : tests/timestamp/driver.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license : MIT; see accompanying LICENSE file
+
+#include <time.h> // tzset()
+
+#include <locale>
+#include <clocale>
+#include <cassert>
+#include <sstream>
+#include <iostream>
+#include <system_error>
+
+#include <butl/timestamp>
+
+using namespace std;
+using namespace butl;
+
+// Parse the input using the format string. Print the resulted time with the
+// same format string, ensure the output matches the input.
+//
+static bool
+parse (const char* in, const char* fmt, bool local, const char* out)
+{
+ if (out == nullptr)
+ out = in;
+
+ try
+ {
+ const char* e;
+ timestamp t (from_string (in, fmt, local, &e));
+
+ ostringstream o;
+ if (!to_stream (o, t, fmt, false, local))
+ return false;
+
+ return o.str () + e == out;
+ }
+ catch (...)
+ {
+ return false;
+ }
+}
+
+static bool
+parse (const char* in, const char* fmt, const char* out = nullptr)
+{
+ return parse (in, fmt, true, out) && parse (in, fmt, false, out);
+}
+
+static bool
+fail (const char* in, const char* fmt)
+{
+ try
+ {
+ from_string (in, fmt, true);
+ return false;
+ }
+ catch (const system_error&)
+ {
+ return true;
+ }
+}
+
+int
+main ()
+{
+ tzset (); // To use butl::to_stream() later on.
+
+ // Invalid %[].
+ //
+ assert (fail ("Apr 08 19:31:10 2016", "%b %d %H:%M:%S%["));
+ assert (fail ("Apr 08 19:31:10 2016", "%b %d %H:%M:%S%[."));
+ assert (fail ("Apr 08 19:31:10 2016", "%b %d %H:%M:%S%[.U"));
+ assert (fail ("Apr 08 19:31:10 2016", "%b %d %H:%M:%S%[.A]"));
+ assert (fail ("Apr 08 19:31:10 2016", "%d %H:%M:%S%[.U] %Y"));
+ assert (fail ("2016-10-20 11:12:13.123456789", "%Y-%m-%d %H:%M:%S%[N]"));
+
+ // Invalid fraction of a second.
+ //
+ assert (fail ("Apr 08 19:31:10. 2016", "%b %d %H:%M:%S%[.U] %Y"));
+ assert (fail ("Apr 08 19:31:10.1 2016", "%b %d %H:%M:%S%[.M] %Y"));
+ assert (fail ("Apr 08 19:31:10.12 2016", "%b %d %H:%M:%S%[.M] %Y"));
+ assert (fail ("Apr 08 19:31:10.", "%b %d %H:%M:%S%[.U] %Y"));
+ assert (fail ("Apr 08 19:31:10.1", "%b %d %H:%M:%S%[.M] %Y"));
+ assert (fail ("Apr 08 19:31:10.12", "%b %d %H:%M:%S%[.M] %Y"));
+
+ // Input is not fully parsed.
+ //
+ assert (fail (
+ "Feb 21 19:31:10.123456789 2016 GMT", "%b %d %H:%M:%S%[.N] %Y"));
+
+ // Invalid input (%[] unrelated).
+ //
+ assert (fail ("Apr 08 19:31:10.123456789 ABC", "%b %d %H:%M:%S%[.N] %Y"));
+ assert (fail ("Apr 19:31:10 2016", "%b %d %H:%M:%S %Y"));
+ assert (fail ("Opr 08 19:31:10 2016", "%b %d %H:%M:%S %Y"));
+
+ // Parse valid input with a valid format.
+ //
+ assert (parse (
+ "Apr 18 19:31:10 2016", "%b %d %H:%M:%S %Y", "Apr 18 19:31:10 2016"));
+
+ assert (parse ("Apr 08 19:31:10 2016", "%b %d %H:%M:%S %Y"));
+ assert (parse ("2016-04-08 19:31:10", "%Y-%m-%d %H:%M:%S"));
+
+ assert (parse ("ABC=Apr 18 19:31:10 2016 ABC", "ABC=%b %d %H:%M:%S %Y"));
+ assert (parse ("ABC=2016-04-08 19:31:10 ABC", "ABC=%Y-%m-%d %H:%M:%S"));
+
+ assert (parse ("Feb 11 19:31:10 2016 GMT", "%b %d %H:%M:%S%[.N] %Y"));
+ assert (parse ("2016-02-11 19:31:10 GMT", "%Y-%m-%d %H:%M:%S%[.N]"));
+
+ assert (parse (
+ "Feb 21 19:31:10.384902285 2016 GMT", "%b %d %H:%M:%S%[.N] %Y"));
+ assert (parse (
+ "2016-02-21 19:31:10.384902285 GMT", "%Y-%m-%d %H:%M:%S%[.N]"));
+
+ assert (parse (
+ "Feb 21 19:31:10 .384902285 2016 GMT", "%b %d %H:%M:%S %[.N] %Y"));
+ assert (parse (
+ "2016-02-21 19:31:10 .384902285 GMT", "%Y-%m-%d %H:%M:%S %[.N]"));
+
+ assert (parse (
+ "2016-02-21 19:31:10 .384902285 GMT",
+ "%Y-%m-%d %H:%M:%S %[.N]",
+ "2016-02-21 19:31:10 .384902285 GMT"));
+
+ assert (parse (
+ "2016-02-21 19:31:10 .384902285 GMT",
+ "%Y-%m-%d %H:%M:%S %[.N]",
+ "2016-02-21 19:31:10 .384902285 GMT"));
+
+ assert (parse (
+ "Feb 21 19:31:10 .384902285NS 2016 GMT", "%b %d %H:%M:%S %[.N]NS %Y"));
+ assert (parse (
+ "2016-02-21 19:31:10 .384902285NS GMT", "%Y-%m-%d %H:%M:%S %[.N]NS"));
+
+ assert (parse (
+ ".384902285 Feb 21 19:31:10 2016", "%[.N] %b %d %H:%M:%S %Y"));
+ assert (parse (
+ ".384902285 2016-02-21 19:31:10", "%[.N] %Y-%m-%d %H:%M:%S"));
+ assert (parse (
+ ".3849022852016-02-21 19:31:10", "%[.N]%Y-%m-%d %H:%M:%S"));
+
+ setlocale (LC_ALL, "de_DE.utf-8");
+ locale::global (locale ("de_DE.utf-8"));
+ assert (parse ("Mai 11 19:31:10 2016 GMT", "%b %d %H:%M:%S%[.N] %Y"));
+ locale::global (locale ("C"));
+
+ // @@ When debuging strptime() fallback implementation compiled with GCC
+ // 5.3.1, the following asserts will fail due to bugs in implementation
+ // of std::get_time() manipulator. So need to be commented out.
+ //
+ assert (fail ("Apr 08 19:31:10 2016", "%b %d %H:%M:%S %Y %"));
+ assert (fail ("Apr 08 19:31:10", "%b %d %H:%M:%S %Y"));
+
+ assert (parse (
+ "Apr 8 19:31:10 2016", "%b %d %H:%M:%S %Y", "Apr 08 19:31:10 2016"));
+}