tests/lib/math/random_test.dart - Issue 12212016: Remove Expect from core library.

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Side by Side Diff: tests/lib/math/random_test.dart

Issue 12212016: Remove Expect from core library. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Add deprecation comment for ExpectException and revert one test. Created 7 years, 8 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 // Test that a coin toss with Random.nextBool() is fair.	5 // Test that a coin toss with Random.nextBool() is fair.

6	6

7 // Library tag to allow Dartium to run the test.	7 // Library tag to allow Dartium to run the test.

8 library random_test;	8 library random_test;

9	9

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

10 import 'dart:math';	11 import 'dart:math';

11	12

12 main() {	13 main() {

13 var rnd = new Random(20130307);	14 var rnd = new Random(20130307);

14 // Make sure we do not break the random number generation.	15 // Make sure we do not break the random number generation.

15 var i = 0;	16 var i = 0;

16 Expect.equals( 0, rnd.nextInt(1 << ++i));	17 Expect.equals( 0, rnd.nextInt(1 << ++i));

17 Expect.equals( 2, rnd.nextInt(1 << ++i));	18 Expect.equals( 2, rnd.nextInt(1 << ++i));

18 Expect.equals( 7, rnd.nextInt(1 << ++i));	19 Expect.equals( 7, rnd.nextInt(1 << ++i));

19 Expect.equals( 8, rnd.nextInt(1 << ++i));	20 Expect.equals( 8, rnd.nextInt(1 << ++i));

(...skipping 22 matching lines...) Expand all Loading...
42 Expect.equals( 80223657, rnd.nextInt(1 << ++i));	43 Expect.equals( 80223657, rnd.nextInt(1 << ++i));

43 Expect.equals( 142194155, rnd.nextInt(1 << ++i));	44 Expect.equals( 142194155, rnd.nextInt(1 << ++i));

44 Expect.equals( 31792146, rnd.nextInt(1 << ++i));	45 Expect.equals( 31792146, rnd.nextInt(1 << ++i));

45 Expect.equals(1042196170, rnd.nextInt(1 << ++i));	46 Expect.equals(1042196170, rnd.nextInt(1 << ++i));

46 Expect.equals(1589656273, rnd.nextInt(1 << ++i));	47 Expect.equals(1589656273, rnd.nextInt(1 << ++i));

47 Expect.equals(1547294578, rnd.nextInt(1 << ++i));	48 Expect.equals(1547294578, rnd.nextInt(1 << ++i));

48 Expect.equals(32, i);	49 Expect.equals(32, i);

49 // If max is too large expect an ArgumentError.	50 // If max is too large expect an ArgumentError.

50 Expect.throws(() => rnd.nextInt((1 << i)+1), (e) => e is ArgumentError);	51 Expect.throws(() => rnd.nextInt((1 << i)+1), (e) => e is ArgumentError);

51 }	52 }

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