| <!DOCTYPE html> |
| <link rel="help" href="https://html.spec.whatwg.org/C/#the-textarea-element-2"> |
| <title>Test `cols` `rows` attributes behaivor</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <body> |
| |
| <textarea id="missing"></textarea> |
| <textarea id="invalid" cols="-1" rows="-1"></textarea> |
| <textarea id="computed" style="border:none; padding:0;" cols="19" rows="5"></textarea> |
| <textarea id="computedNone" style="display:none" cols="17" rows="7"></textarea> |
| |
| <textarea id="cols0" cols="0"></textarea> |
| <textarea id="cols1" cols="1"></textarea> |
| <textarea id="cols10" cols="10"></textarea> |
| <textarea id="cols20" cols="20"></textarea> |
| <textarea id="cols21" cols="21"></textarea> |
| |
| <textarea id="rows0" rows="0"></textarea> |
| <textarea id="rows1" rows="1"></textarea> |
| <textarea id="rows2" rows="2"></textarea> |
| <textarea id="rows3" rows="3"></textarea> |
| |
| <script> |
| test(() => { |
| assert_equals(missing.offsetWidth, cols20.offsetWidth); |
| assert_equals(missing.offsetHeight, rows2.offsetHeight); |
| }, 'A misssing attribute is equivalent to cols=20 rows=2'); |
| |
| test(() => { |
| assert_equals(invalid.offsetWidth, cols20.offsetWidth); |
| assert_equals(invalid.offsetHeight, rows2.offsetHeight); |
| assert_equals(cols0.offsetWidth, cols20.offsetWidth); |
| assert_equals(rows0.offsetHeight, rows2.offsetHeight); |
| }, 'An invalid attribute value is equivalent to cols=20 rows=2'); |
| |
| test(() => { |
| assert_less_than(cols1.offsetWidth, cols10.offsetWidth, '1 < 10'); |
| assert_less_than(cols10.offsetWidth, cols20.offsetWidth, '10 < 20'); |
| assert_less_than(cols20.offsetWidth, cols21.offsetWidth, '20 < 21'); |
| }, 'The width depends on a cols attribute'); |
| |
| test(() => { |
| assert_less_than(rows1.offsetHeight, rows2.offsetHeight, '1 < 2'); |
| assert_less_than(rows2.offsetHeight, rows3.offsetHeight, '2 < 3'); |
| }, 'The height depends on a rows attribute'); |
| |
| test(() => { |
| const computedWidth = getComputedStyle(computed).width; |
| assert_equals(computed.offsetWidth, |
| Math.round(computedWidth.substring(0, computedWidth.length - 2))); |
| |
| const computedHeight = getComputedStyle(computed).height; |
| assert_equals(computed.offsetHeight, |
| Math.round(computedHeight.substring(0, computedHeight.length - 2))); |
| }, 'Cols/rows attribute values affect layout-dependent computed style'); |
| |
| test(() => { |
| const computedNoneStyle = getComputedStyle(computedNone); |
| assert_equals(computedNoneStyle.width, 'auto'); |
| assert_equals(computedNoneStyle.height, 'auto'); |
| }, 'Cols/rows attribute values are not presentational hints'); |
| </script> |
| |
