Add '\0' string terminator to sha256 calculation

Failed that, an empty string will be indistinguishable from no string.

1 files changed, 8 insertions, 2 deletions

diff --git a/tests/sha256/driver.cxx b/tests/sha256/driver.cxx
index 12928b2..8c2e525 100644
--- a/tests/sha256/driver.cxx
+++ b/tests/sha256/driver.cxx
@@ -17,7 +17,13 @@ main ()
   assert (string (sha256 ().string ()) ==
           "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
 
+  assert (string (sha256 ("").string ()) !=
+          "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
+
   assert (string (sha256 ("123").string ()) ==
+          "a787b6772e3e4df1b2a04d5eee56f8570ab38825eed1b6a9bda288429b7f29a1");
+
+  assert (string (sha256 ("123", 3).string ()) ==
           "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3");
 
   sha256 h;
@@ -26,9 +32,9 @@ main ()
   h.append ("3", 1);
 
   auto& b (h.binary ());
-  assert (b[0] == 0xa6 && b[31] == 0xe3);
+  assert (b[0] == 0x20 && b[31] == 0x9d);
 
   string s (h.string ());
   assert (s ==
-          "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3");
+          "204d9db65789fbede7829ed77f72ba1f0fe21a833d95abad4849b82f33a69b9d");
 }