Index: tests/corelib/num_clamp_test.dart |
diff --git a/tests/corelib/num_clamp_test.dart b/tests/corelib/num_clamp_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..662cab8a173348bb3fb051ad92579ab9049c6588 |
--- /dev/null |
+++ b/tests/corelib/num_clamp_test.dart |
@@ -0,0 +1,78 @@ |
+// 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. |
+ |
+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(); |
+} |