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02a8b015ad
Change-Id: I1783f624c7ce7d3b962c301c27ac0f4422d7c28f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/126824 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
68 lines
2.3 KiB
Dart
68 lines
2.3 KiB
Dart
// Copyright (c) 2012, 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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// Test num.clamp.
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import "package:expect/expect.dart";
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testIntClamp() {
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Expect.equals(2, 2.clamp(1, 3));
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Expect.equals(1, 0.clamp(1, 3));
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Expect.equals(3, 4.clamp(1, 3));
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Expect.equals(-2, (-2).clamp(-3, -1));
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Expect.equals(-1, 0.clamp(-3, -1));
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Expect.equals(-3, (-4).clamp(-3, -1));
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Expect.equals(0, 1.clamp(0, 0));
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Expect.equals(0, (-1).clamp(0, 0));
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Expect.equals(0, 0.clamp(0, 0));
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Expect.throwsArgumentError(() => 0.clamp(0, -1));
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}
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testDoubleClamp() {
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Expect.equals(2.0, 2.clamp(1.0, 3.0));
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Expect.equals(1.0, 0.clamp(1.0, 3.0));
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Expect.equals(3.0, 4.clamp(1.0, 3.0));
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Expect.equals(-2.0, (-2.0).clamp(-3.0, -1.0));
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Expect.equals(-1.0, 0.0.clamp(-3.0, -1.0));
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Expect.equals(-3.0, (-4.0).clamp(-3.0, -1.0));
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Expect.equals(0.0, 1.0.clamp(0.0, 0.0));
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Expect.equals(0.0, (-1.0).clamp(0.0, 0.0));
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Expect.equals(0.0, 0.0.clamp(0.0, 0.0));
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Expect.throwsArgumentError(() => 0.0.clamp(0.0, -1.0));
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}
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testDoubleClampInt() {
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Expect.equals(2.0, 2.0.clamp(1, 3));
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Expect.equals(1, 0.0.clamp(1, 3));
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Expect.isTrue(0.0.clamp(1, 3) is int);
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Expect.equals(3, 4.0.clamp(1, 3));
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Expect.isTrue(4.0.clamp(1, 3) is int);
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Expect.equals(-2.0, (-2.0).clamp(-3, -1));
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Expect.equals(-1, 0.0.clamp(-3, -1));
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Expect.isTrue(0.0.clamp(-3, -1) is int);
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Expect.equals(-3, (-4.0).clamp(-3, -1));
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Expect.isTrue((-4.0).clamp(-3, -1) is int);
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Expect.equals(0, 1.0.clamp(0, 0));
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Expect.isTrue(1.0.clamp(0, 0) is int);
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Expect.equals(0, (-1.0).clamp(0, 0));
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Expect.isTrue((-1.0).clamp(0, 0) is int);
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Expect.equals(0.0, 0.0.clamp(0, 0));
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Expect.isTrue(0.0.clamp(0, 0) is double);
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Expect.throwsArgumentError(() => 0.0.clamp(0, -1));
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}
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testDoubleClampExtremes() {
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Expect.equals(2.0, 2.0.clamp(-double.infinity, double.infinity));
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Expect.equals(2.0, 2.0.clamp(-double.infinity, double.nan));
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Expect.equals(double.infinity, 2.0.clamp(double.infinity, double.nan));
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Expect.isTrue(2.0.clamp(double.nan, double.nan).isNaN);
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Expect.throwsArgumentError(() => 0.0.clamp(double.nan, double.infinity));
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}
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main() {
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testIntClamp();
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testDoubleClamp();
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testDoubleClampInt();
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testDoubleClampExtremes();
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}
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