pkg/string_scanner/test/error_test.dart - Issue 812253002: Delete a bunch of packages that are now on GitHub.

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Issue 812253002: Delete a bunch of packages that are now on GitHub. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Un-delete http Created 6 years ago

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1 // Copyright (c) 2014, 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 library string_scanner.error_test;

6

7 import 'package:string_scanner/string_scanner.dart';

8 import 'package:unittest/unittest.dart';

9

10 import 'utils.dart';

11

12 void main() {

13 test('defaults to the last match', () {

14 var scanner = new StringScanner('foo bar baz');

15 scanner.expect('foo ');

16 scanner.expect('bar');

17 expect(() => scanner.error('oh no!'), throwsStringScannerException('bar'));

18 });

19

20 group("with match", () {

21 test('supports an earlier match', () {

22 var scanner = new StringScanner('foo bar baz');

23 scanner.expect('foo ');

24 var match = scanner.lastMatch;

25 scanner.expect('bar');

26 expect(() => scanner.error('oh no!', match: match),

27 throwsStringScannerException('foo '));

28 });

29

30 test('supports a match on a previous line', () {

31 var scanner = new StringScanner('foo bar baz\ndo re mi\nearth fire water') ;

32 scanner.expect('foo bar baz\ndo ');

33 scanner.expect('re');

34 var match = scanner.lastMatch;

35 scanner.expect(' mi\nearth ');

36 expect(() => scanner.error('oh no!', match: match),

37 throwsStringScannerException('re'));

38 });

39

40 test('supports a multiline match', () {

41 var scanner = new StringScanner('foo bar baz\ndo re mi\nearth fire water') ;

42 scanner.expect('foo bar ');

43 scanner.expect('baz\ndo');

44 var match = scanner.lastMatch;

45 scanner.expect(' re mi');

46 expect(() => scanner.error('oh no!', match: match),

47 throwsStringScannerException('baz\ndo'));

48 });

49

50 test('supports a match after position', () {

51 var scanner = new StringScanner('foo bar baz');

52 scanner.expect('foo ');

53 scanner.expect('bar');

54 var match = scanner.lastMatch;

55 scanner.position = 0;

56 expect(() => scanner.error('oh no!', match: match),

57 throwsStringScannerException('bar'));

58 });

59 });

60

61 group("with position and/or length", () {

62 test('defaults to length 1', () {

63 var scanner = new StringScanner('foo bar baz');

64 scanner.expect('foo ');

65 expect(() => scanner.error('oh no!', position: 1),

66 throwsStringScannerException('o'));

67 });

68

69 test('defaults to the current position', () {

70 var scanner = new StringScanner('foo bar baz');

71 scanner.expect('foo ');

72 expect(() => scanner.error('oh no!', length: 3),

73 throwsStringScannerException('bar'));

74 });

75

76 test('supports an earlier position', () {

77 var scanner = new StringScanner('foo bar baz');

78 scanner.expect('foo ');

79 expect(() => scanner.error('oh no!', position: 1, length: 2),

80 throwsStringScannerException('oo'));

81 });

82

83 test('supports a position on a previous line', () {

84 var scanner = new StringScanner('foo bar baz\ndo re mi\nearth fire water') ;

85 scanner.expect('foo bar baz\ndo re mi\nearth');

86 expect(() => scanner.error('oh no!', position: 15, length: 2),

87 throwsStringScannerException('re'));

88 });

89

90 test('supports a multiline length', () {

91 var scanner = new StringScanner('foo bar baz\ndo re mi\nearth fire water') ;

92 scanner.expect('foo bar baz\ndo re mi\nearth');

93 expect(() => scanner.error('oh no!', position: 8, length: 8),

94 throwsStringScannerException('baz\ndo r'));

95 });

96

97 test('supports a position after the current one', () {

98 var scanner = new StringScanner('foo bar baz');

99 expect(() => scanner.error('oh no!', position: 4, length: 3),

100 throwsStringScannerException('bar'));

101 });

102

103 test('supports a length of zero', () {

104 var scanner = new StringScanner('foo bar baz');

105 expect(() => scanner.error('oh no!', position: 4, length: 0),

106 throwsStringScannerException(''));

107 });

108 });

109

110 group("argument errors", () {

111 var scanner;

112 setUp(() {

113 scanner = new StringScanner('foo bar baz');

114 scanner.scan('foo');

115 });

116

117 test("if match is passed with position", () {

118 expect(

119 () => scanner.error("oh no!", match: scanner.lastMatch, position: 1),

120 throwsArgumentError);

121 });

122

123 test("if match is passed with length", () {

124 expect(

125 () => scanner.error("oh no!", match: scanner.lastMatch, length: 1),

126 throwsArgumentError);

127 });

128

129 test("if position is negative", () {

130 expect(() => scanner.error("oh no!", position: -1), throwsArgumentError);

131 });

132

133 test("if position is outside the string", () {

134 expect(() => scanner.error("oh no!", position: 100), throwsArgumentError);

135 });

136

137 test("if position + length is outside the string", () {

138 expect(() => scanner.error("oh no!", position: 7, length: 7),

139 throwsArgumentError);

140 });

141

142 test("if length is negative", () {

143 expect(() => scanner.error("oh no!", length: -1), throwsArgumentError);

144 });

145 });

146 }

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