test: merge test scripts

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/test_variadic_functions.sh b/tests/test_variadic_functions.sh
new file mode 100644
index 0000000..ec85d9a
--- /dev/null
+++ b/tests/test_variadic_functions.sh
@@ -0,0 +1,32 @@
+cat <<'EOF' > expected
+123
+456 789
+EOF
+
+test_diff <<'EOF'
+#include <stdarg.h>
+
+int fprintf();
+
+struct FILE;
+typedef struct FILE FILE;
+
+extern FILE* stdout;
+
+int vfprintf(FILE*, const char*, va_list);
+
+void fatal_error(const char* msg, ...) {
+    va_list args;
+    va_start(args, msg);
+    vfprintf(stdout, msg, args);
+    va_end(args);
+    fprintf(stdout, "\n");
+}
+
+int main() {
+    fatal_error("%d", 123);
+    fatal_error("%d %d", 456, 789);
+    return 0;
+}
+EOF
+