tests/corelib_strong/double_truncate_to_double_test.dart - Issue 2987793002: Migrate test block 7 to Dart 2.0.

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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

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.

4

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

6

7 main() {

8 Expect.equals(0.0, 0.0.truncateToDouble());

9 Expect.equals(0.0, double.MIN_POSITIVE.truncateToDouble());

10 Expect.equals(0.0, (2.0 * double.MIN_POSITIVE).truncateToDouble());

11 Expect.equals(0.0, (1.18e-38).truncateToDouble());

12 Expect.equals(0.0, (1.18e-38 * 2).truncateToDouble());

13 Expect.equals(0.0, 0.49999999999999994.truncateToDouble());

14 Expect.equals(0.0, 0.5.truncateToDouble());

15 Expect.equals(0.0, 0.9999999999999999.truncateToDouble());

16 Expect.equals(1.0, 1.0.truncateToDouble());

17 Expect.equals(1.0, 1.000000000000001.truncateToDouble());

18 // The following numbers are on the border of 52 bits.

19 // For example: 4503599627370499 + 0.5 => 4503599627370500.

20 Expect.equals(4503599627370496.0, 4503599627370496.0.truncateToDouble());

21 Expect.equals(4503599627370497.0, 4503599627370497.0.truncateToDouble());

22 Expect.equals(4503599627370498.0, 4503599627370498.0.truncateToDouble());

23 Expect.equals(4503599627370499.0, 4503599627370499.0.truncateToDouble());

24

25 Expect.equals(9007199254740991.0, 9007199254740991.0.truncateToDouble());

26 Expect.equals(9007199254740992.0, 9007199254740992.0.truncateToDouble());

27 Expect.equals(double.MAX_FINITE, double.MAX_FINITE.truncateToDouble());

28

29 Expect.equals(0.0, (-double.MIN_POSITIVE).truncateToDouble());

30 Expect.equals(0.0, (2.0 * -double.MIN_POSITIVE).truncateToDouble());

31 Expect.equals(0.0, (-1.18e-38).truncateToDouble());

32 Expect.equals(0.0, (-1.18e-38 * 2).truncateToDouble());

33 Expect.equals(0.0, (-0.49999999999999994).truncateToDouble());

34 Expect.equals(0.0, (-0.5).truncateToDouble());

35 Expect.equals(0.0, (-0.9999999999999999).truncateToDouble());

36 Expect.equals(-1.0, (-1.0).truncateToDouble());

37 Expect.equals(-1.0, (-1.000000000000001).truncateToDouble());

38 Expect.equals(-4503599627370496.0, (-4503599627370496.0).truncateToDouble());

39 Expect.equals(-4503599627370497.0, (-4503599627370497.0).truncateToDouble());

40 Expect.equals(-4503599627370498.0, (-4503599627370498.0).truncateToDouble());

41 Expect.equals(-4503599627370499.0, (-4503599627370499.0).truncateToDouble());

42 Expect.equals(-9007199254740991.0, (-9007199254740991.0).truncateToDouble());

43 Expect.equals(-9007199254740992.0, (-9007199254740992.0).truncateToDouble());

44 Expect.equals(-double.MAX_FINITE, (-double.MAX_FINITE).truncateToDouble());

45

46 Expect.equals(double.INFINITY, double.INFINITY.truncateToDouble());

47 Expect.equals(

48 double.NEGATIVE_INFINITY, double.NEGATIVE_INFINITY.truncateToDouble());

49 Expect.isTrue(double.NAN.truncateToDouble().isNaN);

50

51 Expect.isTrue(0.0.truncateToDouble() is double);

52 Expect.isTrue(double.MIN_POSITIVE.truncateToDouble() is double);

53 Expect.isTrue((2.0 * double.MIN_POSITIVE).truncateToDouble() is double);

54 Expect.isTrue((1.18e-38).truncateToDouble() is double);

55 Expect.isTrue((1.18e-38 * 2).truncateToDouble() is double);

56 Expect.isTrue(0.49999999999999994.truncateToDouble() is double);

57 Expect.isTrue(0.5.truncateToDouble() is double);

58 Expect.isTrue(0.9999999999999999.truncateToDouble() is double);

59 Expect.isTrue(1.0.truncateToDouble() is double);

60 Expect.isTrue(1.000000000000001.truncateToDouble() is double);

61 Expect.isTrue(4503599627370496.0.truncateToDouble() is double);

62 Expect.isTrue(4503599627370497.0.truncateToDouble() is double);

63 Expect.isTrue(4503599627370498.0.truncateToDouble() is double);

64 Expect.isTrue(4503599627370499.0.truncateToDouble() is double);

65 Expect.isTrue(9007199254740991.0.truncateToDouble() is double);

66 Expect.isTrue(9007199254740992.0.truncateToDouble() is double);

67 Expect.isTrue(double.MAX_FINITE.truncateToDouble() is double);

68

69 Expect.isTrue((-double.MIN_POSITIVE).truncateToDouble() is double);

70 Expect.isTrue((2.0 * -double.MIN_POSITIVE).truncateToDouble() is double);

71 Expect.isTrue((-1.18e-38).truncateToDouble() is double);

72 Expect.isTrue((-1.18e-38 * 2).truncateToDouble() is double);

73 Expect.isTrue((-0.49999999999999994).truncateToDouble() is double);

74 Expect.isTrue((-0.5).truncateToDouble() is double);

75 Expect.isTrue((-0.9999999999999999).truncateToDouble() is double);

76 Expect.isTrue((-1.0).truncateToDouble() is double);

77 Expect.isTrue((-1.000000000000001).truncateToDouble() is double);

78 Expect.isTrue((-4503599627370496.0).truncateToDouble() is double);

79 Expect.isTrue((-4503599627370497.0).truncateToDouble() is double);

80 Expect.isTrue((-4503599627370498.0).truncateToDouble() is double);

81 Expect.isTrue((-4503599627370499.0).truncateToDouble() is double);

82 Expect.isTrue((-9007199254740991.0).truncateToDouble() is double);

83 Expect.isTrue((-9007199254740992.0).truncateToDouble() is double);

84 Expect.isTrue((-double.MAX_FINITE).truncateToDouble() is double);

85 }

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