blob: 858657eec7d7e35cd282274182ba2b65ec320b59 [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
// Test that we can load a wasm module, find a function, and call it.
import "package:expect/expect.dart";
import "package:wasm/wasm.dart";
import "dart:typed_data";
void main() {
// int64_t square(int64_t n) { return n * n; }
var data = Uint8List.fromList([
0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x06, 0x01, 0x60,
0x01, 0x7e, 0x01, 0x7e, 0x03, 0x02, 0x01, 0x00, 0x04, 0x05, 0x01, 0x70,
0x01, 0x01, 0x01, 0x05, 0x03, 0x01, 0x00, 0x02, 0x06, 0x08, 0x01, 0x7f,
0x01, 0x41, 0x80, 0x88, 0x04, 0x0b, 0x07, 0x13, 0x02, 0x06, 0x6d, 0x65,
0x6d, 0x6f, 0x72, 0x79, 0x02, 0x00, 0x06, 0x73, 0x71, 0x75, 0x61, 0x72,
0x65, 0x00, 0x00, 0x0a, 0x09, 0x01, 0x07, 0x00, 0x20, 0x00, 0x20, 0x00,
0x7e, 0x0b,
]);
var inst = WasmModule(data).instantiate().build();
var fn = inst.lookupFunction("square");
int n = fn(1234);
Expect.equals(1234 * 1234, n);
Expect.isNull(inst.lookupFunction("not_a_function"));
}