mirror of
https://github.com/dart-lang/sdk
synced 2024-09-18 22:01:19 +00:00
8fd6d0aafd
Committed: https://code.google.com/p/dart/source/detail?r=19755 Reverted: http://code.google.com/p/dart/source/detail?r=19756 Review URL: https://codereview.chromium.org//12212016 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20996 260f80e4-7a28-3924-810f-c04153c831b5
81 lines
3 KiB
Dart
81 lines
3 KiB
Dart
// Copyright (c) 2012, 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.
|
|
// Test num.clamp.
|
|
|
|
import "package:expect/expect.dart";
|
|
|
|
testIntClamp() {
|
|
Expect.equals(2, 2.clamp(1, 3));
|
|
Expect.equals(1, 0.clamp(1, 3));
|
|
Expect.equals(3, 4.clamp(1, 3));
|
|
Expect.equals(-2, (-2).clamp(-3, -1));
|
|
Expect.equals(-1, 0.clamp(-3, -1));
|
|
Expect.equals(-3, (-4).clamp(-3, -1));
|
|
Expect.equals(0, 1.clamp(0, 0));
|
|
Expect.equals(0, (-1).clamp(0, 0));
|
|
Expect.equals(0, 0.clamp(0, 0));
|
|
Expect.throws(() => 0.clamp(0, -1), (e) => e is ArgumentError);
|
|
Expect.throws(() => 0.clamp("str", -1),
|
|
(e) => e is ArgumentError || e is TypeError);
|
|
Expect.throws(() => 0.clamp(0, "2"),
|
|
(e) => e is ArgumentError || e is TypeError);
|
|
}
|
|
|
|
testDoubleClamp() {
|
|
Expect.equals(2.0, 2.clamp(1.0, 3.0));
|
|
Expect.equals(1.0, 0.clamp(1.0, 3.0));
|
|
Expect.equals(3.0, 4.clamp(1.0, 3.0));
|
|
Expect.equals(-2.0, (-2.0).clamp(-3.0, -1.0));
|
|
Expect.equals(-1.0, 0.0.clamp(-3.0, -1.0));
|
|
Expect.equals(-3.0, (-4.0).clamp(-3.0, -1.0));
|
|
Expect.equals(0.0, 1.0.clamp(0.0, 0.0));
|
|
Expect.equals(0.0, (-1.0).clamp(0.0, 0.0));
|
|
Expect.equals(0.0, 0.0.clamp(0.0, 0.0));
|
|
Expect.throws(() => 0.0.clamp(0.0, -1.0), (e) => e is ArgumentError);
|
|
Expect.throws(() => 0.0.clamp("str", -1.0),
|
|
(e) => e is ArgumentError || e is TypeError);
|
|
Expect.throws(() => 0.0.clamp(0.0, "2"),
|
|
(e) => e is ArgumentError || e is TypeError);
|
|
}
|
|
|
|
testDoubleClampInt() {
|
|
Expect.equals(2.0, 2.0.clamp(1, 3));
|
|
Expect.equals(1, 0.0.clamp(1, 3));
|
|
Expect.isTrue(0.0.clamp(1, 3) is int);
|
|
Expect.equals(3, 4.0.clamp(1, 3));
|
|
Expect.isTrue(4.0.clamp(1, 3) is int);
|
|
Expect.equals(-2.0, (-2.0).clamp(-3, -1));
|
|
Expect.equals(-1, 0.0.clamp(-3, -1));
|
|
Expect.isTrue(0.0.clamp(-3, -1) is int);
|
|
Expect.equals(-3, (-4.0).clamp(-3, -1));
|
|
Expect.isTrue((-4.0).clamp(-3, -1) is int);
|
|
Expect.equals(0, 1.0.clamp(0, 0));
|
|
Expect.isTrue(1.0.clamp(0, 0) is int);
|
|
Expect.equals(0, (-1.0).clamp(0, 0));
|
|
Expect.isTrue((-1.0).clamp(0, 0) is int);
|
|
Expect.equals(0.0, 0.0.clamp(0, 0));
|
|
Expect.isTrue(0.0.clamp(0, 0) is double);
|
|
Expect.throws(() => 0.0.clamp(0, -1), (e) => e is ArgumentError);
|
|
Expect.throws(() => 0.0.clamp("str", -1),
|
|
(e) => e is ArgumentError || e is TypeError);
|
|
Expect.throws(() => 0.0.clamp(0, "2"),
|
|
(e) => e is ArgumentError || e is TypeError);
|
|
}
|
|
|
|
testDoubleClampExtremes() {
|
|
Expect.equals(2.0, 2.0.clamp(-double.INFINITY, double.INFINITY));
|
|
Expect.equals(2.0, 2.0.clamp(-double.INFINITY, double.NAN));
|
|
Expect.equals(double.INFINITY, 2.0.clamp(double.INFINITY, double.NAN));
|
|
Expect.isTrue(2.0.clamp(double.NAN, double.NAN).isNaN);
|
|
Expect.throws(() => 0.0.clamp(double.NAN, double.INFINITY),
|
|
(e) => e is ArgumentError);
|
|
}
|
|
|
|
main() {
|
|
testIntClamp();
|
|
testDoubleClamp();
|
|
testDoubleClampInt();
|
|
testDoubleClampExtremes();
|
|
}
|