diff -r 000000000000 -r ec364358631b test/harness/testcaseio.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/harness/testcaseio.c	Thu Jan 26 23:35:52 2012 +0000
@@ -0,0 +1,63 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <gclib/gclib.h>
+#include "testcaseparser.h"
+#include "testcaseio.h"
+
+/*
+ * Read a testcase in from a file.
+ * On error, print a suitable message on stderr and return NULL.
+ * The returned testcase should be freed with testcase_free().
+ */
+Testcase *testcase_parse_file(const char *filename)
+{
+    Testcase *testcase;
+    TestcaseParser *parser;
+    char *s;
+    const char *tag,*text;
+    boolean found_tag=FALSE;
+    parser=testcase_parser_new_from_file(filename);
+    if (!parser)
+	return NULL;
+    if (!*testcase_parser_get_flag(parser))
+    {
+	fprintf(stderr,"%s: Not a valid testcase (flag)\n",filename);
+	testcase_parser_free(parser);
+	return NULL;
+    }
+    testcase=mem_new0(Testcase,1);
+    testcase->basename=path_get_basename(filename);
+    s=strrchr(testcase->basename,'.');
+    if (s)
+	*s='\0';
+    while(testcase_parser_get_next_tag(parser,&tag,&text))
+    {
+	if (!testcase->input && !strcmp(tag,"INPUT"))
+	    testcase->input=str_dup(text);
+	else if (!testcase->expected && !strcmp(tag,"EXPECTED"))
+	    testcase->expected=str_dup(text);
+	else
+	{
+	    fprintf(stderr,"%s: Not a valid testcase (%s)\n",filename,tag);
+	    testcase_free(testcase);
+	    testcase_parser_free(parser);
+	    return NULL;
+	}
+	found_tag=TRUE;
+    }
+    if (!testcase_parser_at_eof(parser))
+    {
+	if (found_tag)
+	    fprintf(stderr,"%s: Not a valid testcase (garbage at end)\n",
+	      filename);
+	else
+	    fprintf(stderr,"%s: Not a valid testcase (no valid tags)\n",
+	      filename);
+	testcase_free(testcase);
+	testcase_parser_free(parser);
+	return NULL;
+    }
+    testcase_parser_free(parser);
+    return testcase;
+}