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b101a7d002
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>
52 lines
1.3 KiB
Dart
52 lines
1.3 KiB
Dart
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// VMOptions=--optimization_counter_threshold=10 --no-background-compilation
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// @dart = 2.9
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// Test for dart:typed_data (in particular, ByteData.get/setUint64 and
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// UInt64List) with limited 64-bit integers.
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import 'dart:typed_data';
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import "package:expect/expect.dart";
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testByteData() {
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ByteData data = new ByteData(17);
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data.setInt64(5, -0x1122334455667788);
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Expect.equals(-0x1122334455667788, data.getUint64(5));
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data.setUint32(5, 0x10203040);
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Expect.equals(0x10203040aa998878, data.getUint64(5));
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data.setUint64(3, -1);
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Expect.equals(-1, data.getInt64(3));
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data.setUint64(7, 0x7fedcba987654321);
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Expect.equals(0x7fedcba987654321, data.getInt64(7));
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}
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testUint64List() {
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Uint64List u64 = new Uint64List(3);
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Int64List i64 = new Int64List.view(u64.buffer);
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i64[0] = 0x7fffffffffffffff;
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i64[1] = -1;
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i64[2] = 42;
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Expect.equals(0x7fffffffffffffff, u64[0]);
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Expect.equals(-1, u64[1]);
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Expect.equals(42, u64[2]);
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u64[0] = -900000000000000;
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Expect.equals(-900000000000000, i64[0]);
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}
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main() {
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for (int i = 0; i < 20; i++) {
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testByteData();
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testUint64List();
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}
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}
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