tests/corelib_2/duration_big_num_test.dart - Issue 2987793002: Migrate test block 7 to Dart 2.0.

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Side by Side Diff: tests/corelib_2/duration_big_num_test.dart

Issue 2987793002: Migrate test block 7 to Dart 2.0. (Closed)

Patch Set: Final review comment, dropping static multitest Created 3 years, 4 months ago

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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file	1 // Copyright (c) 2013, 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	4

5 import "package:expect/expect.dart";	5 import "package:expect/expect.dart";

6 import 'dart:math';	6 import 'dart:math';

7	7

8 main() {	8 main() {

9 Duration d, d1;	9 Duration d, d1;

10	10

11 d1 = new Duration(microseconds: pow(2, 53));	11 d1 = new Duration(microseconds: pow(2, 53));

12 d = d1 * 2;	12 d = d1 * 2;

13 Expect.equals(pow(2, 54), d.inMicroseconds);	13 Expect.equals(pow(2, 54), d.inMicroseconds);

14 d = d1 * 1.5;	14 d = d1 * 1.5;

15 Expect.equals(pow(2, 53).toDouble() * 1.5, d.inMicroseconds);	15 Expect.equals(pow(2, 53).toDouble() * 1.5, d.inMicroseconds);

16 Expect.isTrue(d.inMicroseconds is int);	16 Expect.isTrue(d.inMicroseconds is int);

17	17

18 // Test that we lose precision when multiplying with a double.	18 // Test that we lose precision when multiplying with a double.

19 d = new Duration(microseconds: pow(2, 53) + 1) * 1.0;	19 d = new Duration(microseconds: pow(2, 53) + 1) * 1.0;

20 Expect.equals(0, d.inMicroseconds % 2);	20 Expect.equals(0, d.inMicroseconds % 2);

21 }	21 }

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