Add unit tests

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 74 insertions, 0 deletions

diff --git a/tests/canonicalize_name.c b/tests/canonicalize_name.c
new file mode 100644
index 0000000..ad12752
--- /dev/null
+++ b/tests/canonicalize_name.c
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later */
+#include "util.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+static const struct {
+	const char *in;
+	const char *out;
+} must_work[] = {
+	{ "", "" },
+	{ "/", "" },
+	{ "\\", "" },
+	{ "///", "" },
+	{ "\\\\\\", "" },
+	{ "/\\//\\\\/", "" },
+	{ "foo/bar/test", "foo/bar/test" },
+	{ "foo\\bar\\test", "foo/bar/test" },
+	{ "/foo/bar/test/", "foo/bar/test" },
+	{ "\\foo\\bar\\test\\", "foo/bar/test" },
+	{ "///foo//bar//test///", "foo/bar/test" },
+	{ "./foo/././bar/test/./.", "foo/bar/test" },
+	{ "./foo/././", "foo" },
+	{ ".", "" },
+	{ "./", "" },
+	{ "./.", "" },
+	{ "foo/.../bar", "foo/.../bar" },
+	{ "foo/.test/bar", "foo/.test/bar" },
+};
+
+static const char *must_not_work[] = {
+	"..",
+	"foo/../bar",
+	"../foo/bar",
+	"foo/bar/..",
+	"foo/bar/../",
+};
+
+int main(void)
+{
+	char buffer[512];
+	size_t i;
+
+	for (i = 0; i < sizeof(must_work) / sizeof(must_work[0]); ++i) {
+		strcpy(buffer, must_work[i].in);
+
+		if (canonicalize_name(buffer)) {
+			fprintf(stderr, "Test case rejected: '%s'\n",
+				must_work[i].in);
+			return EXIT_FAILURE;
+		}
+
+		if (strcmp(buffer, must_work[i].out) != 0) {
+			fprintf(stderr, "Expected result: %s\n",
+				must_work[i].out);
+			fprintf(stderr, "Actual result: %s\n", buffer);
+			return EXIT_FAILURE;
+		}
+	}
+
+	for (i = 0; i < sizeof(must_not_work) / sizeof(must_not_work[0]); ++i) {
+		strcpy(buffer, must_not_work[i]);
+
+		if (canonicalize_name(buffer) == 0) {
+			fprintf(stderr, "Test case accepted: '%s'\n",
+				must_not_work[i]);
+			fprintf(stderr, "Transformed into: '%s'\n", buffer);
+			return EXIT_FAILURE;
+		}
+	}
+
+	return EXIT_SUCCESS;
+}