| <!DOCTYPE html> |
| <html> |
| |
| <head> |
| <title>textarea maxlength</title> |
| <link rel="author" title="tigercosmos" href="mailto:phy.tiger@gmail.com"> |
| <link rel=help href="https://html.spec.whatwg.org/multipage/#attr-textarea-maxlength"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| |
| <body> |
| |
| <textarea id="none"></textarea> |
| <textarea id="negative" maxlength="-5"></textarea> |
| <textarea id="non-numeric" maxlength="not-a-number"></textarea> |
| <textarea id="assign-negative"></textarea> |
| <textarea id="assign-non-numeric"></textarea> |
| |
| <script> |
| test( |
| function () { |
| assert_equals(document.getElementById("none").maxLength, -1); |
| }, "Unset maxlength is -1"); |
| |
| test( |
| function () { |
| assert_equals(document.getElementById("negative").maxLength, -1); |
| }, "Negative maxlength is always -1"); |
| |
| test( |
| function () { |
| assert_equals(document.getElementById("non-numeric").maxLength, -1); |
| }, "Non-numeric maxlength is -1"); |
| |
| test( |
| function () { |
| assert_throws_dom("INDEX_SIZE_ERR", function () { |
| document.getElementById("assign-negative").maxLength = -5; |
| }); |
| }, "Assigning negative integer throws IndexSizeError"); |
| |
| test( |
| function () { |
| document.getElementById("assign-non-numeric").maxLength = "not-a-number"; |
| assert_equals(document.getElementById("assign-non-numeric").maxLength, 0); |
| }, "Assigning non-numeric to maxlength sets maxlength to 0"); |
| </script> |
| </body> |
| |
| </html> |
