frog/tests/leg_only/nan_negate_test.dart - Issue 10536169: Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/.

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Side by Side Diff: frog/tests/leg_only/nan_negate_test.dart

Issue 10536169: Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/

Patch Set: Created 8 years, 6 months ago

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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

3 // BSD-style license that can be found in the LICENSE file.

4

5 // Don't convert !(a op b) to (a neg-op b) when a or b might be NaN.

6 test(double n) {

7 // Force known type to double, preserves NaN.

8 n = 0.0 + n;

9 Expect.isFalse(n >= 0);

10 Expect.isTrue(!(n < 0));

11

12 Expect.isFalse(n <= 0);

13 Expect.isTrue(!(n > 0));

14

15 Expect.isFalse(n < 0);

16 Expect.isTrue(!(n >= 0));

17

18 Expect.isFalse(n > 0);

19 Expect.isTrue(!(n <= 0));

20

21 Expect.isFalse(n == 0);

22 Expect.isFalse(!(n != 0));

23

24 Expect.isTrue(n != 0);

25 Expect.isTrue(!(n == 0));

26

27 Expect.isFalse(n === 0);

28 Expect.isFalse(!(n !== 0));

29

30 Expect.isTrue(n !== 0);

31 Expect.isTrue(!(n === 0));

32

33 Expect.isFalse(0 >= n);

34 Expect.isTrue(!(0 < n));

35

36 Expect.isFalse(0 <= n);

37 Expect.isTrue(!(0 > n));

38

39 Expect.isFalse(0 < n);

40 Expect.isTrue(!(0 >= n));

41

42 Expect.isFalse(0 > n);

43 Expect.isTrue(!(0 <= n));

44

45 Expect.isFalse(0 == n);

46 Expect.isFalse(!(0 != n));

47

48 Expect.isTrue(0 != n);

49 Expect.isTrue(!(0 == n));

50

51 Expect.isFalse(0 === n);

52 Expect.isFalse(!(0 !== n));

53

54 Expect.isTrue(0 !== n);

55 Expect.isTrue(!(0 === n));

56 }

57

58 testConstant() {

59 Expect.isFalse(double.NAN >= 0);

60 Expect.isTrue(!(double.NAN < 0));

61

62 Expect.isFalse(double.NAN <= 0);

63 Expect.isTrue(!(double.NAN > 0));

64

65 Expect.isFalse(double.NAN < 0);

66 Expect.isTrue(!(double.NAN >= 0));

67

68 Expect.isFalse(double.NAN > 0);

69 Expect.isTrue(!(double.NAN <= 0));

70

71 Expect.isFalse(double.NAN == 0);

72 Expect.isFalse(!(double.NAN != 0));

73

74 Expect.isTrue(double.NAN != 0);

75 Expect.isTrue(!(double.NAN == 0));

76

77 Expect.isFalse(double.NAN === 0);

78 Expect.isFalse(!(double.NAN !== 0));

79

80 Expect.isTrue(double.NAN !== 0);

81 Expect.isTrue(!(double.NAN === 0));

82

83 Expect.isFalse(0 >= double.NAN);

84 Expect.isTrue(!(0 < double.NAN));

85

86 Expect.isFalse(0 <= double.NAN);

87 Expect.isTrue(!(0 > double.NAN));

88

89 Expect.isFalse(0 < double.NAN);

90 Expect.isTrue(!(0 >= double.NAN));

91

92 Expect.isFalse(0 > double.NAN);

93 Expect.isTrue(!(0 <= double.NAN));

94

95 Expect.isFalse(0 == double.NAN);

96 Expect.isFalse(!(0 != double.NAN));

97

98 Expect.isTrue(0 != double.NAN);

99 Expect.isTrue(!(0 == double.NAN));

100

101 Expect.isFalse(0 === double.NAN);

102 Expect.isFalse(!(0 !== double.NAN));

103

104 Expect.isTrue(0 !== double.NAN);

105 Expect.isTrue(!(0 === double.NAN));

106 }

107

108 main() {

109 test(hideConstant(27, double.NAN));

110 testConstant();

111 }

112

113 double hideConstant(int n, double result) {

114 if (n == 1) return result;

115 if ((n & 1) == 0) return hideConstant(n >> 1, result);

116 return hideConstant(3 * n + 1, result);

117 }

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