1 files changed, 20 insertions, 0 deletions
diff --git a/tests/helpers.h b/tests/helpers.h
new file mode 100644
index 0000000..f8affe7
--- /dev/null
+++ b/tests/helpers.h
@@ -0,0 +1,20 @@
+#ifndef DUCC_TESTS_HELPERS_H
+#define DUCC_TESTS_HELPERS_H
+
+void exit(int);
+struct FILE;
+typedef struct FILE FILE;
+int fprintf(FILE*, const char*, ...);
+extern FILE* stderr;
+
+#define ASSERT(a, file, line) \
+    do { \
+        if (!(a)) { \
+            fprintf(stderr, "%s:%d: assert failed", file, line); \
+            exit(1); \
+        } \
+    } while (0)
+
+#define ASSERT_EQ(a, b) ASSERT((a) == (b), __FILE__, __LINE__)
+
+#endif