Fix: wrong magic number in spec tests

Adds `--test` option

Author: tolauwae

platforms/CLI-Emulator/main.cpp

@@ -39,6 +39,9 @@ void print_help() {
     fprintf(stdout,
             "    --loop         Let the runtime loop infinitely on exceptions "
             "(default: false)\n");
+    fprintf(stdout,
+            "    --test         Run in test mode with .wast file with module "
+            "as argument\n");
     fprintf(stdout,
             "    --asserts      Name of file containing asserts to run against "
             "loaded module\n");
@@ -276,7 +279,7 @@ int main(int argc, const char *argv[]) {
     const char *asserts_file = nullptr;
     const char *watcompiler = "wat2wasm";
 
-    if (argc > 0) {
+    if (argc > 0 && argv[0][0] != '-') {
         ARGV_GET(file_name);
 
         dbg_info("=== LOAD MODULE INTO WARDUINO ===\n");
@@ -300,8 +303,10 @@ int main(int argc, const char *argv[]) {
             return 0;
         } else if (!strcmp("--loop", arg)) {
             return_exception = false;
-        } else if (!strcmp("--asserts", arg)) {
+        } else if (!strcmp("--test", arg)) {
             run_tests = true;
+            ARGV_GET(file_name);
+        } else if (!strcmp("--asserts", arg)) {
             ARGV_GET(asserts_file);
         } else if (!strcmp("--watcompiler", arg)) {
             ARGV_GET(watcompiler);

tests/integration/run_spec_tests.py

@@ -97,7 +97,7 @@ def main():
         base = "core/" + "".join(os.path.basename(filename).split(".")[:-2])
         print(base)
         status = subprocess.run(
-            [args.interpreter, base + ".wast", "--asserts", base + ".asserts.wast", "--watcompiler", args.compiler],
+            [args.interpreter, "--test", base + ".wast", "--asserts", base + ".asserts.wast", "--watcompiler", args.compiler],
             stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         if status.returncode == 0:
             print(f"{filename}: All tests passed.\n")