| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSSSkew tests</title> |
| <link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#cssskew"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../resources/testhelper.js"></script> |
| <script> |
| 'use strict'; |
| |
| const gInvalidTestCases = [ |
| { value: 'auto', desc: 'a keyword'}, |
| { value: 3.14, desc: 'a double'}, |
| { value: 0, desc: 'a unitless zero'}, |
| { value: '10deg', desc: 'a string angle'}, |
| { value: CSS.number(10), desc: 'a number CSSUnitValue'}, |
| { value: CSS.s(10), desc: 'a time dimension CSSUnitValue'}, |
| { value: new CSSMathSum(CSS.px(1)), desc: 'a CSSMathValue of length type' }, |
| ]; |
| |
| for (const {value, desc} of gInvalidTestCases) { |
| test(() => { |
| assert_throws_js(TypeError, () => new CSSSkew(value, CSS.deg(0))); |
| assert_throws_js(TypeError, () => new CSSSkew(CSS.deg(0), value)); |
| }, 'Constructing a CSSSkew with ' + desc + ' throws a TypeError'); |
| } |
| |
| for (const attr of ['ax', 'ay']) { |
| for (const {value, desc} of gInvalidTestCases) { |
| test(() => { |
| let skew = new CSSSkew(CSS.deg(0), CSS.deg(0)); |
| assert_throws_js(TypeError, () => skew[attr] = value); |
| assert_style_value_equals(skew[attr], CSS.deg(0)); |
| }, 'Updating CSSSkew.' + attr + ' with ' + desc + ' throws a TypeError'); |
| } |
| } |
| |
| const gValidTestCases = [ |
| { value: CSS.deg(-3.14), desc: 'an angle CSSUnitValue' }, |
| { value: new CSSMathSum(CSS.deg(1)), desc: 'a CSSMathValue of angle type' }, |
| ]; |
| |
| for (const {value: ax, desc: axDesc} of gValidTestCases) { |
| for (const {value: ay, desc: ayDesc} of gValidTestCases) { |
| test(() => { |
| const skew = new CSSSkew(ax, ay); |
| assert_equals(skew.ax, ax); |
| assert_equals(skew.ay, ay); |
| assert_true(skew.is2D); |
| }, 'CSSSkew can be constructed from ' + axDesc + ' and ' + ayDesc); |
| } |
| } |
| |
| for (const attr of ['ax', 'ay']) { |
| for (const {value, desc} of gValidTestCases) { |
| test(() => { |
| let skew = new CSSSkew(CSS.deg(0), CSS.deg(0)); |
| skew[attr] = value; |
| assert_style_value_equals(skew[attr], value); |
| }, 'CSSSkew.' + attr + ' can be updated to ' + desc); |
| } |
| } |
| |
| test(() => { |
| let skew = new CSSSkew(CSS.deg(0), CSS.deg(0)); |
| skew.is2D = false; |
| assert_true(skew.is2D); |
| }, 'Modifying CSSSkew.is2D is a no-op'); |
| |
| </script> |
