dart-sdk/tests/lib_2/wasm/memory_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

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941 B
Dart

// 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 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]);
}