blob: 3dd5d43d9521871658c65106a34811fdb007b3cb [file] [log] [blame]
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.9
// Variant of hello_world_test that uses the default WASI imports.
import "package:async_helper/async_helper.dart";
import "package:expect/expect.dart";
import "package:wasm/wasm.dart";
import "dart:convert";
import "dart:typed_data";
void main() async {
asyncStart();
// Hello world module generated by emscripten+WASI. Exports a function like
// `void _start()`, and prints using `int fd_write(int, int, int, int)`.
var data = Uint8List.fromList([
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0x00, 0x18, 0x04, 0x00, 0x41, 0x98, 0x08, 0x0b, 0x01, 0x05, 0x00, 0x41,
0xa4, 0x08, 0x0b, 0x01, 0x01, 0x00, 0x41, 0xbc, 0x08, 0x0b, 0x0e, 0x02,
0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xb8, 0x04, 0x00, 0x00, 0x00,
0x04, 0x00, 0x41, 0xd4, 0x08, 0x0b, 0x01, 0x01, 0x00, 0x41, 0xe3, 0x08,
0x0b, 0x05, 0x0a, 0xff, 0xff, 0xff, 0xff,
]);
var inst =
WasmModule(data).instantiate().enableWasi(captureStdout: true).build();
var fn = inst.lookupFunction("_start");
fn();
var out = utf8.decode(await inst.stdout.first);
Expect.equals("hello, world!\n", out);
asyncEnd();
}