test: Add a smoke test for resource files and windres

test/hello-res.c

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2023 Martin Storsjo
+ *
+ * This file is part of llvm-mingw.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <windows.h>
+#include "hello-res.h"
+
+int main(int argc, char *argv[]) {
+    char buf[100];
+    if (LoadStringA(GetModuleHandle(NULL), HELLO_STRING, buf, sizeof(buf)) <= 0) {
+        printf("Unable to load resource string\n");
+        return 1;
+    }
+    printf("Resource string: %s\n", buf);
+    return 0;
+}