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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 // Test basic integer operations. | 4 // Test basic integer operations. |
| 5 | 5 |
| 6 class ToStringAsFixedTest { | 6 class ToStringAsFixedTest { |
| 7 static void testMain() { | 7 static void testMain() { |
| 8 Expect.equals("2.000", 2.0.toStringAsFixed(3)); | 8 Expect.equals("2.000", 2.0.toStringAsFixed(3)); |
| 9 Expect.equals("2.100", 2.1.toStringAsFixed(3)); | 9 Expect.equals("2.100", 2.1.toStringAsFixed(3)); |
| 10 Expect.equals("2.120", 2.12.toStringAsFixed(3)); | 10 Expect.equals("2.120", 2.12.toStringAsFixed(3)); |
| (...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 78 Expect.equals("-1000000000000000128", (-1000000000000000128.0).toStringAsFix
ed(0)); | 78 Expect.equals("-1000000000000000128", (-1000000000000000128.0).toStringAsFix
ed(0)); |
| 79 Expect.equals("-0.00000000000000000010", (-0.0000000000000000001).toStringAs
Fixed(20)); | 79 Expect.equals("-0.00000000000000000010", (-0.0000000000000000001).toStringAs
Fixed(20)); |
| 80 Expect.equals("0.12312312312312299889", 0.123123123123123.toStringAsFixed(20
)); | 80 Expect.equals("0.12312312312312299889", 0.123123123123123.toStringAsFixed(20
)); |
| 81 // Test that we round up even when the last digit generated is even. | 81 // Test that we round up even when the last digit generated is even. |
| 82 // dtoa does not do this in its original form. | 82 // dtoa does not do this in its original form. |
| 83 Expect.equals("1", 0.5.toStringAsFixed(0)); | 83 Expect.equals("1", 0.5.toStringAsFixed(0)); |
| 84 Expect.equals("-1", (-0.5).toStringAsFixed(0)); | 84 Expect.equals("-1", (-0.5).toStringAsFixed(0)); |
| 85 Expect.equals("1.3", 1.25.toStringAsFixed(1)); | 85 Expect.equals("1.3", 1.25.toStringAsFixed(1)); |
| 86 Expect.equals("234.2040", 234.20405.toStringAsFixed(4)); | 86 Expect.equals("234.2040", 234.20405.toStringAsFixed(4)); |
| 87 Expect.equals("234.2041", 234.2040506.toStringAsFixed(4)); | 87 Expect.equals("234.2041", 234.2040506.toStringAsFixed(4)); |
| 88 { | |
| 89 bool thrown = false; | |
| 90 try { | |
| 91 0.0.toStringAsFixed(-1); | |
| 92 } catch (e) { | |
| 93 thrown = true; | |
| 94 } | |
| 95 Expect.equals(true, thrown); | |
| 96 } | |
| 97 { | |
| 98 bool thrown = false; | |
| 99 try { | |
| 100 0.0.toStringAsFixed(22); | |
| 101 } catch (e) { | |
| 102 thrown = true; | |
| 103 } | |
| 104 Expect.equals(true, thrown); | |
| 105 } | |
| 106 } | 88 } |
| 107 } | 89 } |
| 108 | 90 |
| 109 | 91 |
| 110 main() { | 92 main() { |
| 111 ToStringAsFixedTest.testMain(); | 93 ToStringAsFixedTest.testMain(); |
| 112 } | 94 } |
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