1 files changed, 72 insertions, 0 deletions
diff --git a/test/test_compress.c b/test/test_compress.c
new file mode 100644
index 0000000..583dd8b
--- /dev/null
+++ b/test/test_compress.c
@@ -0,0 +1,72 @@
+/* test_compress.c -- MinUnit test cases for compress.c
+
+   Copyright (C) 2017 Jakob Kreuze, All Rights Reserved.
+
+   This file is part of Nekopack.
+
+   Nekopack is free software: you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation, either version 3 of the License, or (at
+   your option) any later version.
+
+   Nekopack is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Nekopack. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <stdbool.h>
+
+#include "minunit.h"
+
+#include "compress.h"
+#include "io.h"
+
+extern int tests_run;
+
+/* FIXME: This won't hold up for the future. Even if it works across
+   different versions of zlib, if the compression rate is ever changed
+   this test will fail. */
+
+/* TODO: Replace with a proper stream comparison and put it in io.c? */
+static bool streams_eq(struct stream *a, struct stream *b) {
+    if (a->len != b->len)
+        return false;
+    for (unsigned long i = 0; i < a->len; i++) {
+        if (a->_start[i] != b->_start[i])
+            return false;
+    }
+    return true;
+}
+
+
+char *test_compress(void) {
+    struct stream *s        = stream_from_file("test/vectors/test.png");
+    struct stream *expected = stream_from_file("test/vectors/test.bin");
+    mu_assert("Could not open test vectors", s != NULL && expected != NULL);
+
+    struct stream *res = stream_deflate(s, s->len);
+    mu_assert("Expected compression not met", streams_eq(res, expected));
+
+    stream_free(s);
+    stream_free(expected);
+    stream_free(res);
+    return NULL;
+}
+
+
+char *test_decompress(void) {
+    struct stream *s        = stream_from_file("test/vectors/test.bin");
+    struct stream *expected = stream_from_file("test/vectors/test.png");
+    mu_assert("Could not open test vectors", s != NULL && expected != NULL);
+
+    struct stream *res = stream_inflate(s, s->len, 176608);
+    mu_assert("Expected compression not met", streams_eq(res, expected));
+
+    stream_free(s);
+    stream_free(expected);
+    stream_free(res);
+    return NULL;
+}