third_party/WebKit/LayoutTests/fast/forms/textarea-maxlength.html - Issue 1522803002: Move textarea-related tests to fast/forms/textarea/, part 1.

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Issue 1522803002: Move textarea-related tests to fast/forms/textarea/, part 1. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@color-uaf

Patch Set: Created 5 years ago

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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">

2 <html>

3 <head>

4 <script src="../../resources/js-test.js"></script>

5 </head>

6 <body>

7 <p id="description"></p>

8 <div id="console"></div>

9 <script>

10 description('Tests for HTMLTextAreaElement.maxLength behaviors.');

11

12 var textArea = document.createElement('textarea');

13 document.body.appendChild(textArea);

14

15 // No maxlength attribute

16 shouldBe('textArea.maxLength', '-1');

17

18 // Invalid maxlength attributes

19 textArea.setAttribute('maxlength', '-3');

20 shouldBe('textArea.maxLength', '-1');

21 textArea.setAttribute('maxlength', 'xyz');

22 shouldBe('textArea.maxLength', '-1');

23

24 // Leading whitespaces in maxlength attributes

25 textArea.setAttribute('maxlength', '\t \n\r1');

26 shouldBe('textArea.maxLength', '1');

27 textArea.setAttribute('maxlength', "\u20021");

28 shouldBe('textArea.maxLength', '-1');

29 textArea.setAttribute('maxlength', "\u20091");

30 shouldBe('textArea.maxLength', '-1');

31

32 // Valid maxlength attributes

33 textArea.setAttribute('maxlength', '1');

34 shouldBe('textArea.maxLength', '1');

35 textArea.setAttribute('maxlength', '256');

36 shouldBe('textArea.maxLength', '256');

37

38 // Set values to .maxLength

39 textArea.maxLength = 13;

40 shouldBe('textArea.getAttribute("maxlength")', '"13"');

41

42 shouldThrow('textArea.maxLength = -1', '"IndexSizeError: Failed to set the \'max Length\' property on \'HTMLTextAreaElement\': The value provided (-1) is not pos itive or 0."');

43 shouldBe('textArea.getAttribute("maxlength")', '"13"'); // Not changed

44 textArea.minLength = 11;

45 shouldThrow('textArea.maxLength = 10', '"IndexSizeError: Failed to set the \'max Length\' property on \'HTMLTextAreaElement\': The maxLength provided (10) is les s than the minimum bound (11)."');

46 shouldBe('textArea.getAttribute("maxlength")', '"13"'); // Not changed

47 shouldBe('textArea.maxLength = 11; textArea.getAttribute("maxlength")', '"11"');

48 textArea.minLength = 0; // Remove the minlength value to get it out of the way of subsequent tests

49

50 textArea.maxLength = null;

51 shouldBe('textArea.maxLength', '0');

52 shouldBe('textArea.getAttribute("maxlength")', '"0"');

53

54 // maxLength doesn't truncate the default value.

55 textArea = document.createElement('textarea');

56 textArea.setAttribute('maxlength', '3');

57 textArea.innerHTML = 'abcd';

58 document.body.appendChild(textArea);

59 shouldBe('textArea.value', '"abcd"');

60

61 // maxLength doesn't truncate .value

62 textArea.maxLength = 3;

63 textArea.value = 'abcde';

64 shouldBe('textArea.value', '"abcde"');

65

66 // Set up for user-input tests

67 function createFocusedTextAreaWithMaxLength(maxLength) {

68 if (textArea)

69 document.body.removeChild(textArea);

70 textArea = document.createElement('textarea');

71 textArea.setAttribute('maxlength', maxLength);

72 document.body.appendChild(textArea);

73 textArea.focus();

74 }

75

76 // Insert text of which length is maxLength.

77 createFocusedTextAreaWithMaxLength(3);

78 document.execCommand('insertText', false, 'abc');

79 shouldBe('textArea.value', '"abc"');

80

81 // Try to add characters to maxLength characters.

82 createFocusedTextAreaWithMaxLength(3);

83 textArea.value = 'abc';

84 document.execCommand('insertText', false, 'def');

85 shouldBe('textArea.value', '"abc"');

86

87 // Replace text

88 createFocusedTextAreaWithMaxLength(3);

89 textArea.value = 'abc';

90 document.execCommand('selectAll');

91 document.execCommand('insertText', false, 'def');

92 shouldBe('textArea.value', '"def"');

93

94 // Existing value is longer than maxLength. We can't add text.

95 createFocusedTextAreaWithMaxLength(3);

96 textArea.value = 'abcdef';

97 document.execCommand('insertText', false, 'ghi');

98 shouldBe('textArea.value', '"abcdef"');

99

100 // We can delete a character in the longer value.

101 createFocusedTextAreaWithMaxLength(3);

102 textArea.value = 'abcdef';

103 document.execCommand('delete');

104 shouldBe('textArea.value', '"abcde"');

105

106 // A linebreak is 1 character.

107 createFocusedTextAreaWithMaxLength(4);

108 document.execCommand('insertText', false, 'A');

109 document.execCommand('insertLineBreak');

110 document.execCommand('insertText', false, 'B');

111 shouldBe('textArea.value', '"A\\nB"');

112

113 // Confirms correct count for close linebreaks inputs.

114 createFocusedTextAreaWithMaxLength(3);

115 textArea.innerHTML = 'a\n\n';

116 document.execCommand('insertLineBreak');

117 shouldBe('textArea.value', '"a\\n\\n"');

118

119 // Confirms correct count for open consecutive linebreaks inputs.

120 createFocusedTextAreaWithMaxLength(6);

121 document.execCommand('insertLineBreak');

122 document.execCommand('insertLineBreak');

123 document.execCommand('insertLineBreak');

124 document.execCommand('insertLineBreak');

125 shouldBe('textArea.value', '"\\n\\n\\n"');

126

127 // According to the HTML5 specification, maxLength is code-point length.

128 // Blink follows it though WebKit handles it as grapheme length.

129

130 // fancyX should be treated as 1 grapheme.

131 var fancyX = "x\u0305\u0332";// + String.fromCharCode(0x305) + String.fromCharCo de(0x332);

132 // u10000 is one character consisted of a surrogate pair.

133 var u10000 = "\ud800\udc00";

134

135 debug('Inserts 2 normal characters + a combining letter with 3 code points into a maxlength=3 element.')

136 createFocusedTextAreaWithMaxLength(3);

137 document.execCommand('insertText', false, 'AB' + fancyX);

138 shouldBeEqualToString('textArea.value', 'ABx');

139 shouldBe('textArea.value.length', '3');

140

141 createFocusedTextAreaWithMaxLength(3);

142 textArea.value = 'AB' + fancyX;

143 textArea.setSelectionRange(2, 5); // Select fancyX

144 document.execCommand('insertText', false, 'CDE');

145 shouldBe('textArea.value', '"ABC"');

146

147 debug('Inserts 2 normal characters + one surrogate pair into a maxlength=3 eleme nt');

148 createFocusedTextAreaWithMaxLength(3);

149 document.execCommand('insertText', false, 'AB' + u10000);

150 shouldBeEqualToString('textArea.value', 'AB');

151 shouldBe('textArea.value.length', '2');

152

153 createFocusedTextAreaWithMaxLength(3);

154 textArea.value = 'AB' + u10000;

155 textArea.setSelectionRange(2, 4); // Select u10000

156 document.execCommand('insertText', false, 'CDE');

157 shouldBe('textArea.value', '"ABC"');

158

159 // In the case maxlength=0

160 createFocusedTextAreaWithMaxLength(0);

161 textArea.value = '';

162 document.execCommand('insertText', false, 'ABC');

163 shouldBe('textArea.value', '""');

164

165 // In the case maxlength=''

166 createFocusedTextAreaWithMaxLength('');

167 textArea.value = '';

168 document.execCommand('insertText', false, 'ABC');

169 shouldBe('textArea.value', '"ABC"');

170

171 // In the case maxlength='invalid'

172 createFocusedTextAreaWithMaxLength('invalid');

173 textArea.value = '';

174 document.execCommand('insertText', false, 'ABC');

175 shouldBe('textArea.value', '"ABC"');

176 </script>

177 </body>

178 </html>

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