| // Copyright (c) 2021, 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. |
| |
| import 'dart:typed_data'; |
| |
| // Test errors thrown by function imports. |
| |
| import 'package:test/test.dart'; |
| import 'package:wasm/wasm.dart'; |
| |
| import 'test_shared.dart'; |
| |
| void main() { |
| test('bad function imports', () { |
| // This module expects a function import like: |
| // int64_t someFn(int32_t a, int64_t b, float c, double d); |
| var data = Uint8List.fromList([ |
| 0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x0c, 0x02, 0x60, // |
| 0x04, 0x7f, 0x7e, 0x7d, 0x7c, 0x01, 0x7e, 0x60, 0x00, 0x00, 0x02, 0x0e, |
| 0x01, 0x03, 0x65, 0x6e, 0x76, 0x06, 0x73, 0x6f, 0x6d, 0x65, 0x46, 0x6e, |
| 0x00, 0x00, 0x03, 0x02, 0x01, 0x01, 0x04, 0x05, 0x01, 0x70, 0x01, 0x01, |
| 0x01, 0x05, 0x03, 0x01, 0x00, 0x02, 0x06, 0x08, 0x01, 0x7f, 0x01, 0x41, |
| 0x80, 0x88, 0x04, 0x0b, 0x07, 0x11, 0x02, 0x06, 0x6d, 0x65, 0x6d, 0x6f, |
| 0x72, 0x79, 0x02, 0x00, 0x04, 0x62, 0x6c, 0x61, 0x68, 0x00, 0x01, 0x0a, |
| 0x1d, 0x01, 0x1b, 0x00, 0x41, 0x01, 0x42, 0x02, 0x43, 0x00, 0x00, 0x40, |
| 0x40, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x40, 0x10, 0x80, |
| 0x80, 0x80, 0x80, 0x00, 0x1a, 0x0b, |
| ]); |
| |
| var mod = WasmModule(data); |
| |
| // Valid instantiation. |
| mod |
| .instantiate() |
| .addFunction('env', 'someFn', (int a, int b, num c, double d) => 123) |
| .build(); |
| |
| // Missing imports. |
| expect( |
| () => mod.instantiate().build(), |
| throwsExceptionWithToString(contains('Missing import')), |
| ); |
| |
| // Wrong kind of import. |
| expect( |
| () => mod.instantiate().addMemory('env', 'someFn', mod.createMemory(10)), |
| throwsExceptionWithToString( |
| contains('Import is not a memory'), |
| ), |
| ); |
| |
| // Wrong namespace. |
| expect( |
| () => mod |
| .instantiate() |
| .addFunction( |
| 'foo', |
| 'someFn', |
| (int a, int b, num c, double d) => 123, |
| ) |
| .build(), |
| throwsExceptionWithToString(contains('Import not found')), |
| ); |
| |
| // Wrong name. |
| expect( |
| () => mod |
| .instantiate() |
| .addFunction( |
| 'env', |
| 'otherFn', |
| (int a, int b, num c, double d) => 123, |
| ) |
| .build(), |
| throwsExceptionWithToString(contains('Import not found')), |
| ); |
| |
| // Already filled. |
| expect( |
| () => mod |
| .instantiate() |
| .addFunction( |
| 'env', |
| 'someFn', |
| (int a, int b, num c, double d) => 123, |
| ) |
| .addFunction( |
| 'env', |
| 'someFn', |
| (int a, int b, num c, double d) => 456, |
| ) |
| .build(), |
| throwsExceptionWithToString(contains('Import already filled')), |
| ); |
| }); |
| } |