tests/corelib/reg_exp_all_matches_test.dart - Issue 2985233002: Migrated test block 19 to Dart 2.0.

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Issue 2985233002: Migrated test block 19 to Dart 2.0. (Closed)

Patch Set: Migrated test block 19 to Dart 2.0. Created 3 years, 4 months ago

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1 // Copyright (c) 2011, 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 // Dart test program for RegExp.allMatches.

8

9 class RegExpAllMatchesTest {

10 static testIterator() {

11 var matches = new RegExp("foo").allMatches("foo foo");

12 Iterator it = matches.iterator;

13 Expect.isTrue(it.moveNext());

14 Expect.equals('foo', it.current.group(0));

15 Expect.isTrue(it.moveNext());

16 Expect.equals('foo', it.current.group(0));

17 Expect.isFalse(it.moveNext());

18

19 // Run two iterators over the same results.

20 it = matches.iterator;

21 Iterator it2 = matches.iterator;

22 Expect.isTrue(it.moveNext());

23 Expect.isTrue(it2.moveNext());

24 Expect.equals('foo', it.current.group(0));

25 Expect.equals('foo', it2.current.group(0));

26 Expect.isTrue(it.moveNext());

27 Expect.isTrue(it2.moveNext());

28 Expect.equals('foo', it.current.group(0));

29 Expect.equals('foo', it2.current.group(0));

30 Expect.equals(false, it.moveNext());

31 Expect.equals(false, it2.moveNext());

32 }

33

34 static testForEach() {

35 var matches = new RegExp("foo").allMatches("foo foo");

36 var strbuf = new StringBuffer();

37 matches.forEach((Match m) {

38 strbuf.write(m.group(0));

39 });

40 Expect.equals("foofoo", strbuf.toString());

41 }

42

43 static testMap() {

44 var matches = new RegExp("foo?").allMatches("foo fo foo fo");

45 var mapped = matches.map((Match m) => "${m.group(0)}bar");

46 Expect.equals(4, mapped.length);

47 var strbuf = new StringBuffer();

48 for (String s in mapped) {

49 strbuf.write(s);

50 }

51 Expect.equals("foobarfobarfoobarfobar", strbuf.toString());

52 }

53

54 static testFilter() {

55 var matches = new RegExp("foo?").allMatches("foo fo foo fo");

56 var filtered = matches.where((Match m) {

57 return m.group(0) == 'foo';

58 });

59 Expect.equals(2, filtered.length);

60 var strbuf = new StringBuffer();

61 for (Match m in filtered) {

62 strbuf.write(m.group(0));

63 }

64 Expect.equals("foofoo", strbuf.toString());

65 }

66

67 static testEvery() {

68 var matches = new RegExp("foo?").allMatches("foo fo foo fo");

69 Expect.equals(true, matches.every((Match m) {

70 return m.group(0).startsWith("fo");

71 }));

72 Expect.equals(false, matches.every((Match m) {

73 return m.group(0).startsWith("foo");

74 }));

75 }

76

77 static testSome() {

78 var matches = new RegExp("foo?").allMatches("foo fo foo fo");

79 Expect.equals(true, matches.any((Match m) {

80 return m.group(0).startsWith("fo");

81 }));

82 Expect.equals(true, matches.any((Match m) {

83 return m.group(0).startsWith("foo");

84 }));

85 Expect.equals(false, matches.any((Match m) {

86 return m.group(0).startsWith("fooo");

87 }));

88 }

89

90 static testIsEmpty() {

91 var matches = new RegExp("foo?").allMatches("foo fo foo fo");

92 Expect.equals(false, matches.isEmpty);

93 matches = new RegExp("fooo").allMatches("foo fo foo fo");

94 Expect.equals(true, matches.isEmpty);

95 }

96

97 static testGetCount() {

98 var matches = new RegExp("foo?").allMatches("foo fo foo fo");

99 Expect.equals(4, matches.length);

100 matches = new RegExp("fooo").allMatches("foo fo foo fo");

101 Expect.equals(0, matches.length);

102 }

103

104 static testMain() {

105 testIterator();

106 testForEach();

107 testMap();

108 testFilter();

109 testEvery();

110 testSome();

111 testIsEmpty();

112 testGetCount();

113 }

114 }

115

116 main() {

117 RegExpAllMatchesTest.testMain();

118 }

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