test: add tests for main() argument handling

test/wasi/c/main_args.c

@@ -0,0 +1,10 @@
+#include <assert.h>
+#include <string.h>
+
+int main(int argc, char** argv) {
+ assert(argc == 3);
+ assert(0 == strcmp(argv[0], "foo"));
+ assert(0 == strcmp(argv[1], "-bar"));
+ assert(0 == strcmp(argv[2], "--baz=value"));
+ return 0;
+}

test/wasi/test-wasi.js

@@ -15,7 +15,7 @@ if (process.argv[2] === 'wasi-child') {
  tmpdir.refresh();
  const wasmDir = path.join(__dirname, 'wasm');
  const wasi = new WASI({
- args: [],
+ args: ['foo', '-bar', '--baz=value'],
  env: process.env,
  preopens: {
  '/sandbox': fixtures.path('wasi'),
@@ -64,6 +64,7 @@ if (process.argv[2] === 'wasi-child') {
  runWASI({ test: 'getentropy' });
  runWASI({ test: 'getrusage' });
  runWASI({ test: 'gettimeofday' });
+ runWASI({ test: 'main_args' });
  runWASI({ test: 'notdir' });
  // runWASI({ test: 'poll' });
  runWASI({ test: 'preopen_populates' });