| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSSSkewX tests</title> |
| <link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#cssskewx"> |
| <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(new TypeError(), () => new CSSSkewX(value)); |
| }, 'Constructing a CSSSkewX with ' + desc + ' throws a TypeError'); |
| } |
| |
| for (const {value, desc} of gInvalidTestCases) { |
| test(() => { |
| let skewX = new CSSSkewX(CSS.deg(0)); |
| assert_throws(new TypeError(), () => skewX.ax = value); |
| assert_style_value_equals(skewX.ax, CSS.deg(0)); |
| }, 'Updating CSSSkewX.ax 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) { |
| test(() => { |
| const skewX = new CSSSkewX(ax); |
| assert_equals(skewX.ax, ax); |
| assert_true(skewX.is2D); |
| }, 'CSSSkewX can be constructed from ' + axDesc); |
| } |
| |
| for (const {value, desc} of gValidTestCases) { |
| test(() => { |
| let skewX = new CSSSkewX(CSS.deg(0)); |
| skewX.ax = value; |
| assert_style_value_equals(skewX.ax, value); |
| }, 'CSSSkew.ax can be updated to ' + desc); |
| } |
| |
| test(() => { |
| let skewX = new CSSSkewX(CSS.deg(0)); |
| skewX.is2D = false; |
| assert_true(skewX.is2D); |
| }, 'Modifying skewX.is2D is a no-op'); |
| |
| </script> |
