| // Copyright (c) 2017, 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. |
| // VMOptions=--optimization_counter_threshold=10 --no-background-compilation |
| |
| // Test for dart:typed_data (in particular, ByteData.get/setUint64 and |
| // UInt64List) with limited 64-bit integers. |
| |
| import 'dart:typed_data'; |
| import "package:expect/expect.dart"; |
| |
| testByteData() { |
| ByteData data = new ByteData(17); |
| |
| data.setInt64(5, -0x1122334455667788); |
| Expect.equals(-0x1122334455667788, data.getUint64(5)); |
| |
| data.setUint32(5, 0x10203040); |
| Expect.equals(0x10203040aa998878, data.getUint64(5)); |
| |
| data.setUint64(3, -1); |
| Expect.equals(-1, data.getInt64(3)); |
| |
| data.setUint64(7, 0x7fedcba987654321); |
| Expect.equals(0x7fedcba987654321, data.getInt64(7)); |
| } |
| |
| testUint64List() { |
| Uint64List u64 = new Uint64List(3); |
| Int64List i64 = new Int64List.view(u64.buffer); |
| |
| i64[0] = 0x7fffffffffffffff; |
| i64[1] = -1; |
| i64[2] = 42; |
| |
| Expect.equals(0x7fffffffffffffff, u64[0]); |
| Expect.equals(-1, u64[1]); |
| Expect.equals(42, u64[2]); |
| |
| u64[0] = -900000000000000; |
| Expect.equals(-900000000000000, i64[0]); |
| } |
| |
| main() { |
| for (int i = 0; i < 20; i++) { |
| testByteData(); |
| testUint64List(); |
| } |
| } |