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e7d4c48a80
Change-Id: I9a51ae6a1f8f4d018da289b6f29ab18053304c19 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/132341 Commit-Queue: Erik Ernst <eernst@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
60 lines
1.5 KiB
Dart
60 lines
1.5 KiB
Dart
// Copyright (c) 2013, 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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// Library tag to be able to run in html test framework.
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library uint32x4_shuffle_test;
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import 'dart:typed_data';
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import "package:expect/expect.dart";
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void testShuffle() {
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var m = new Int32x4(1, 2, 3, 4);
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var c;
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c = m.shuffle(Int32x4.wzyx);
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Expect.equals(4, c.x);
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Expect.equals(3, c.y);
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Expect.equals(2, c.z);
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Expect.equals(1, c.w);
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}
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void testShuffleNonConstant(mask) {
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var m = new Int32x4(1, 2, 3, 4);
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var c;
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c = m.shuffle(mask);
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if (mask == 1) {
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Expect.equals(2, c.x);
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Expect.equals(1, c.y);
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Expect.equals(1, c.z);
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Expect.equals(1, c.w);
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} else {
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Expect.equals(Int32x4.yyyy + 1, mask);
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Expect.equals(3, c.x);
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Expect.equals(2, c.y);
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Expect.equals(2, c.z);
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Expect.equals(2, c.w);
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}
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}
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void testShuffleMix() {
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var m = new Int32x4(1, 2, 3, 4);
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var n = new Int32x4(5, 6, 7, 8);
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var c = m.shuffleMix(n, Int32x4.xyxy);
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Expect.equals(1, c.x);
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Expect.equals(2, c.y);
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Expect.equals(5, c.z);
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Expect.equals(6, c.w);
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}
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main() {
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var xxxx = Int32x4.xxxx + 1;
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var yyyy = Int32x4.yyyy + 1;
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for (int i = 0; i < 20; i++) {
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testShuffle();
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testShuffleNonConstant(xxxx);
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testShuffleNonConstant(yyyy);
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testShuffleMix();
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}
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}
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