pkg/source_maps/test/refactor_test.dart - Issue 814113004: Pull args, intl, logging, shelf, and source_maps out of the SDK.

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Issue 814113004: Pull args, intl, logging, shelf, and source_maps out of the SDK. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Also csslib. Created 6 years 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 library polymer.test.refactor_test;

6

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

8 import 'package:source_maps/refactor.dart';

9 import 'package:source_maps/parser.dart' show parse, Mapping;

10 import 'package:source_span/source_span.dart';

11

12 main() {

13 group('conflict detection', () {

14 var original = "0123456789abcdefghij";

15 var file = new SourceFile(original);

16

17 test('no conflict, in order', () {

18 var txn = new TextEditTransaction(original, file);

19 txn.edit(2, 4, '.');

20 txn.edit(5, 5, '\|');

21 txn.edit(6, 6, '-');

22 txn.edit(6, 7, '_');

23 expect((txn.commit()..build('')).text, "01.4\|5-_789abcdefghij");

24 });

25

26 test('no conflict, out of order', () {

27 var txn = new TextEditTransaction(original, file);

28 txn.edit(2, 4, '.');

29 txn.edit(5, 5, '\|');

30

31 // Regresion test for issue #404: there is no conflict/overlap for edits

32 // that don't remove any of the original code.

33 txn.edit(6, 7, '_');

34 txn.edit(6, 6, '-');

35 expect((txn.commit()..build('')).text, "01.4\|5-_789abcdefghij");

36

37 });

38

39 test('conflict', () {

40 var txn = new TextEditTransaction(original, file);

41 txn.edit(2, 4, '.');

42 txn.edit(3, 3, '-');

43 expect(() => txn.commit(), throwsA(predicate(

44 (e) => e.toString().contains('overlapping edits'))));

45 });

46 });

47

48 test('generated source maps', () {

49 var original =

50 "0123456789\n023456789\n013456789\nabcdefghij\nabcd*fghij\n";

51 var file = new SourceFile(original);

52 var txn = new TextEditTransaction(original, file);

53 txn.edit(27, 29, '__\n ');

54 txn.edit(34, 35, '___');

55 var printer = (txn.commit()..build(''));

56 var output = printer.text;

57 var map = parse(printer.map);

58 expect(output,

59 "0123456789\n023456789\n0134__\n 789\na___cdefghij\nabcd*fghij\n");

60

61 // Line 1 and 2 are unmodified: mapping any column returns the beginning

62 // of the corresponding line:

63 expect(_span(1, 1, map, file),

64 "line 1, column 1: \n"

65 "0123456789\n"

66 "^");

67 expect(_span(1, 5, map, file),

68 "line 1, column 1: \n"

69 "0123456789\n"

70 "^");

71 expect(_span(2, 1, map, file),

72 "line 2, column 1: \n"

73 "0*23456789\n"

74 "^");

75 expect(_span(2, 8, map, file),

76 "line 2, column 1: \n"

77 "0*23456789\n"

78 "^");

79

80 // Line 3 is modified part way: mappings before the edits have the right

81 // mapping, after the edits the mapping is null.

82 expect(_span(3, 1, map, file),

83 "line 3, column 1: \n"

84 "01*3456789\n"

85 "^");

86 expect(_span(3, 5, map, file),

87 "line 3, column 1: \n"

88 "01*3456789\n"

89 "^");

90

91 // Start of edits map to beginning of the edit secion:

92 expect(_span(3, 6, map, file),

93 "line 3, column 6: \n"

94 "01*3456789\n"

95 " ^");

96 expect(_span(3, 7, map, file),

97 "line 3, column 6: \n"

98 "01*3456789\n"

99 " ^");

100

101 // Lines added have no mapping (they should inherit the last mapping),

102 // but the end of the edit region continues were we left off:

103 expect(_span(4, 1, map, file), isNull);

104 expect(_span(4, 5, map, file),

105 "line 3, column 8: \n"

106 "01*3456789\n"

107 " ^");

108

109 // Subsequent lines are still mapped correctly:

110 // a (in a___cd...)

111 expect(_span(5, 1, map, file),

112 "line 4, column 1: \n"

113 "abcdefghij\n"

114 "^");

115 // _ (in a___cd...)

116 expect(_span(5, 2, map, file),

117 "line 4, column 2: \n"

118 "abcdefghij\n"

119 " ^");

120 // _ (in a___cd...)

121 expect(_span(5, 3, map, file),

122 "line 4, column 2: \n"

123 "abcdefghij\n"

124 " ^");

125 // _ (in a___cd...)

126 expect(_span(5, 4, map, file),

127 "line 4, column 2: \n"

128 "abcdefghij\n"

129 " ^");

130 // c (in a___cd...)

131 expect(_span(5, 5, map, file),

132 "line 4, column 3: \n"

133 "abcdefghij\n"

134 " ^");

135 expect(_span(6, 1, map, file),

136 "line 5, column 1: \n"

137 "abcd*fghij\n"

138 "^");

139 expect(_span(6, 8, map, file),

140 "line 5, column 1: \n"

141 "abcd*fghij\n"

142 "^");

143 });

144 }

145

146 String _span(int line, int column, Mapping map, SourceFile file) {

147 var span = map.spanFor(line - 1, column - 1, files: {'': file});

148 return span == null ? null : span.message('').trim();

149 }

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