| // 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 throwing exceptions from an imported function. |
| |
| import "package:expect/expect.dart"; |
| import "package:wasm/wasm.dart"; |
| import "dart:typed_data"; |
| |
| void main() { |
| // void fn() { |
| // a(); |
| // b(); |
| // } |
| var data = Uint8List.fromList([ |
| 0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x04, 0x01, 0x60, |
| 0x00, 0x00, 0x02, 0x11, 0x02, 0x03, 0x65, 0x6e, 0x76, 0x01, 0x61, 0x00, |
| 0x00, 0x03, 0x65, 0x6e, 0x76, 0x01, 0x62, 0x00, 0x00, 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, |
| 0x0f, 0x02, 0x06, 0x6d, 0x65, 0x6d, 0x6f, 0x72, 0x79, 0x02, 0x00, 0x02, |
| 0x66, 0x6e, 0x00, 0x02, 0x0a, 0x10, 0x01, 0x0e, 0x00, 0x10, 0x80, 0x80, |
| 0x80, 0x80, 0x00, 0x10, 0x81, 0x80, 0x80, 0x80, 0x00, 0x0b, |
| ]); |
| |
| bool called_b = false; |
| var thrownException = Exception("Hello exception!"); |
| var inst = WasmModule(data).instantiate().addFunction("env", "a", () { |
| throw thrownException; |
| }).addFunction("env", "b", () { |
| called_b = true; |
| }).build(); |
| var fn = inst.lookupFunction("fn"); |
| Expect.throws(() => fn(), (Exception e) => e == thrownException); |
| Expect.isFalse(called_b); |
| |
| bool called_a = false; |
| inst = WasmModule(data).instantiate().addFunction("env", "a", () { |
| called_a = true; |
| }).addFunction("env", "b", () { |
| called_b = true; |
| }).build(); |
| fn = inst.lookupFunction("fn"); |
| fn(); |
| Expect.isTrue(called_a); |
| Expect.isTrue(called_b); |
| } |