1 files changed, 111 insertions, 0 deletions
diff --git a/test/test_utils.c b/test/test_utils.c
new file mode 100644
index 0000000..b80caf8
--- /dev/null
+++ b/test/test_utils.c
@@ -0,0 +1,111 @@
+#include <libavutil/common.h>
+
+#include "common/msg.h"
+#include "options/m_option.h"
+#include "options/path.h"
+#include "osdep/subprocess.h"
+#include "test_utils.h"
+
+#ifdef NDEBUG
+static_assert(false, "don't define NDEBUG for tests");
+#endif
+
+void assert_int_equal_impl(const char *file, int line, int64_t a, int64_t b)
+{
+    if (a != b) {
+        printf("%s:%d: %"PRId64" != %"PRId64"\n", file, line, a, b);
+        abort();
+    }
+}
+
+void assert_string_equal_impl(const char *file, int line,
+                              const char *a, const char *b)
+{
+    if (strcmp(a, b) != 0) {
+        printf("%s:%d: '%s' != '%s'\n", file, line, a, b);
+        abort();
+    }
+}
+
+void assert_float_equal_impl(const char *file, int line,
+                              double a, double b, double tolerance)
+{
+    if (fabs(a - b) > tolerance) {
+        printf("%s:%d: %f != %f\n", file, line, a, b);
+        abort();
+    }
+}
+
+FILE *test_open_out(const char *outdir, const char *name)
+{
+    mp_mkdirp(outdir);
+    assert(mp_path_isdir(outdir));
+    char *path = mp_tprintf(4096, "%s/%s", outdir, name);
+    FILE *f = fopen(path, "wb");
+    if (!f) {
+        printf("Could not open '%s' for writing: %s\n", path,
+               mp_strerror(errno));
+        abort();
+    }
+    return f;
+}
+
+void assert_text_files_equal_impl(const char *file, int line,
+                                  const char *refdir, const char *outdir,
+                                  const char *ref, const char *new,
+                                  const char *err)
+{
+    char *path_ref = mp_tprintf(4096, "%s/%s", refdir, ref);
+    char *path_new = mp_tprintf(4096, "%s/%s", outdir, new);
+
+    struct mp_subprocess_opts opts = {
+        .exe = "diff",
+        .args = (char*[]){"diff", "-u", "--", path_ref, path_new, 0},
+        .fds = { {0, .src_fd = 0}, {1, .src_fd = 1}, {2, .src_fd = 2} },
+        .num_fds = 3,
+    };
+
+    struct mp_subprocess_result res;
+    mp_subprocess2(&opts, &res);
+
+    if (res.error || res.exit_status) {
+        if (res.error)
+            printf("Note: %s\n", mp_subprocess_err_str(res.error));
+        printf("Giving up.\n");
+        abort();
+    }
+}
+
+static void hexdump(const uint8_t *d, size_t size)
+{
+    printf("|");
+    while (size--) {
+        printf(" %02x", d[0]);
+        d++;
+    }
+    printf(" |\n");
+}
+
+void assert_memcmp_impl(const char *file, int line,
+                        const void *a, const void *b, size_t size)
+{
+    if (memcmp(a, b, size) == 0)
+        return;
+
+    printf("%s:%d: mismatching data:\n", file, line);
+    hexdump(a, size);
+    hexdump(b, size);
+    abort();
+}
+
+/* Stubs: see test_utils.h */
+struct mp_log *const mp_null_log;
+const char *mp_help_text;
+
+void mp_msg(struct mp_log *log, int lev, const char *format, ...) {};
+int mp_msg_find_level(const char *s) {return 0;};
+int mp_msg_level(struct mp_log *log) {return 0;};
+void mp_write_console_ansi(void) {};
+void mp_set_avdict(AVDictionary **dict, char **kv) {};
+struct mp_log *mp_log_new(void *talloc_ctx, struct mp_log *parent,
+                          const char *name) { return NULL; };