| // 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. |
| |
| // Test that we can create a WasmMemory, edit it, and grow it. |
| |
| import "package:expect/expect.dart"; |
| import "package:wasm/wasm.dart"; |
| import "dart:typed_data"; |
| |
| void main() { |
| // Empty wasm module. |
| var data = Uint8List.fromList( |
| [0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x06, 0x81, 0x00, 0x00]); |
| var module = WasmModule(data); |
| |
| var mem = module.createMemory(100); |
| Expect.equals(100, mem.lengthInPages); |
| Expect.equals(100 * WasmMemory.kPageSizeInBytes, mem.lengthInBytes); |
| |
| mem[123] = 45; |
| Expect.equals(45, mem[123]); |
| |
| mem.grow(10); |
| Expect.equals(110, mem.lengthInPages); |
| Expect.equals(110 * WasmMemory.kPageSizeInBytes, mem.lengthInBytes); |
| Expect.equals(45, mem[123]); |
| } |