Synchronize with upstream tinytest.

The big change here is a patch (first added to Libevent by Ed Day)
to make sure that the CreateProcess forked-test trick works even
when the main test program is invoked without its .exe suffix.

changes/tinytest_update

@@ -0,0 +1,4 @@
+  o Minor bugfixes:
+    - Update to the latest version of the tinytest unit testing framework.
+      This includes a couple of bugfixes that can be relevant for running
+      forked unit tests on Windows.

src/test/tinytest.c

@@ -1,4 +1,4 @@
-/* tinytest.c -- Copyright 2009-2010 Nick Mathewson
+/* tinytest.c -- Copyright 2009-2012 Nick Mathewson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -22,16 +22,15 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#ifdef TINYTEST_LOCAL
+#include "tinytest_local.h"
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
 
-#ifdef TINYTEST_LOCAL
-#include "tinytest_local.h"
-#endif
-
 #ifdef _WIN32
 #include <windows.h>
 #else
@@ -66,8 +65,8 @@ const char *cur_test_prefix = NULL; /**< prefix of the current test group */
 const char *cur_test_name = NULL;
 
 #ifdef _WIN32
-/** Pointer to argv[0] for win32. */
-static const char *commandname = NULL;
+/* Copy of argv[0] for win32. */
+static char commandname[MAX_PATH+1];
 #endif
 
 static void usage(struct testgroup_t *groups, int list_groups)
@@ -291,7 +290,12 @@ tinytest_main(int c, const char **v, struct testgroup_t *groups)
 	int i, j, n=0;
 
 #ifdef _WIN32
-	commandname = v[0];
+	const char *sp = strrchr(v[0], '.');
+	const char *extension = "";
+	if (!sp || stricmp(sp, ".exe"))
+		extension = ".exe"; /* Add an exe so CreateProcess will work */
+	snprintf(commandname, sizeof(commandname), "%s%s", v[0], extension);
+	commandname[MAX_PATH]='\0';
 #endif
 	for (i=1; i<c; ++i) {
 		if (v[i][0] == '-') {

src/test/tinytest.h

@@ -1,4 +1,4 @@
-/* tinytest.h -- Copyright 2009-2010 Nick Mathewson
+/* tinytest.h -- Copyright 2009-2012 Nick Mathewson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions

src/test/tinytest_demo.c

@@ -1,4 +1,4 @@
-/* tinytest_demo.c -- Copyright 2009-2010 Nick Mathewson
+/* tinytest_demo.c -- Copyright 2009-2012 Nick Mathewson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions

src/test/tinytest_macros.h

@@ -1,4 +1,4 @@
-/* tinytest_macros.h -- Copyright 2009-2010 Nick Mathewson
+/* tinytest_macros.h -- Copyright 2009-2012 Nick Mathewson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions