| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <p id="description"></p> |
| <div id="console"></div> |
| <script> |
| description('Tests for tooLong flag with <textarea> elements.'); |
| |
| var textarea = document.createElement('textarea'); |
| document.body.appendChild(textarea); |
| |
| debug('No maxlength and no value'); |
| shouldBeFalse('textarea.validity.tooLong'); |
| |
| debug(''); |
| debug('Non-dirty value'); |
| textarea.defaultValue = 'abcde'; |
| textarea.maxLength = 3; |
| shouldBe('textarea.value.length', '5'); |
| shouldBeFalse('textarea.validity.tooLong'); |
| |
| textarea.defaultValue = 'abcdef'; |
| shouldBe('textarea.value.length', '6'); |
| shouldBeFalse('textarea.validity.tooLong'); |
| |
| debug(''); |
| debug('Dirty value and longer than maxLength'); |
| textarea = document.createElement('textarea'); |
| document.body.appendChild(textarea); |
| textarea.defaultValue = 'abcde'; |
| textarea.maxLength = 3; |
| textarea.focus(); |
| textarea.setSelectionRange(5, 5); // Move the cursor at the end. |
| document.execCommand('delete'); |
| shouldBe('textarea.value.length', '4'); |
| shouldBeTrue('textarea.validity.tooLong'); |
| // Make the value <=maxLength. |
| document.execCommand('delete'); |
| shouldBeFalse('textarea.validity.tooLong'); |
| |
| debug(''); |
| debug('Sets a value via DOM property'); |
| textarea = document.createElement('textarea'); |
| document.body.appendChild(textarea); |
| textarea.maxLength = 3; |
| textarea.value = 'abcde'; |
| shouldBeFalse('textarea.validity.tooLong'); |
| |
| debug(''); |
| debug('Disabled'); |
| textarea.disabled = true; |
| shouldBeFalse('textarea.validity.tooLong'); |
| textarea.disabled = false; |
| |
| debug(''); |
| debug('Grapheme length is not greater than maxLength though character length is greater'); |
| // fancyX should be treated as 1 grapheme. |
| // U+0305 COMBINING OVERLINE |
| // U+0332 COMBINING LOW LINE |
| var fancyX = "x\u0305\u0332"; |
| textarea = document.createElement('textarea'); |
| document.body.appendChild(textarea); |
| textarea.value = fancyX; // 3 characters, 1 grapheme cluster. |
| textarea.maxLength = 1; |
| shouldBeFalse('textarea.validity.tooLong'); |
| |
| debug(''); |
| debug('A value set by resetting a form doesn\'t make tooLong true.'); |
| // Make a dirty textarea. |
| var parent = document.createElement('div'); |
| document.body.appendChild(parent); |
| parent.innerHTML = '<form><textarea maxlength=2>abcdef</textarea></form>'; |
| textarea = parent.firstChild.firstChild; |
| textarea.focus(); |
| textarea.setSelectionRange(6, 6); |
| document.execCommand('delete'); |
| shouldBeTrue('textarea.validity.tooLong'); |
| parent.firstChild.reset(); |
| shouldBe('textarea.value', '"abcdef"'); |
| shouldBeFalse('textarea.validity.tooLong'); |
| |
| debug(''); |
| debug('A value set by a child node change doesn\'t make tooLong true.'); |
| parent.innerHTML = '<textarea maxlength=2>abc</textarea>'; |
| textarea = parent.firstChild; |
| shouldBeFalse('textarea.validity.tooLong'); |
| parent.firstChild.innerHTML = 'abcdef'; |
| shouldBe('textarea.value', '"abcdef"'); |
| shouldBeFalse('textarea.validity.tooLong'); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
