cssScale.tentative.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-typed-om/stylevalue-subclasses/cssScale.tentative.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>CSSScale tests</title>

<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#cssscale">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="../resources/testhelper.js"></script>

<script>

'use strict';

const gInvalidCoordTestCases = [

  { coord: CSS.deg(1), desc: 'an angle CSSUnitValue'},

  { coord: new CSSMathSum(CSS.px(1)), desc: 'a CSSMathValue that doesn\'t match <number>'},

  { coord: new CSSMathProduct(CSS.px(1), new CSSMathInvert(CSS.px(1))), desc: 'an invalid division by px/px'},

];

for (const {coord, desc} of gInvalidCoordTestCases) {

  test(() => {

    assert_throws_js(TypeError, () => new CSSScale(coord, 0));

    assert_throws_js(TypeError, () => new CSSScale(0, coord));

    assert_throws_js(TypeError, () => new CSSScale(coord, 0, 0));

    assert_throws_js(TypeError, () => new CSSScale(0, coord, 0));

    assert_throws_js(TypeError, () => new CSSScale(0, 0, coord));

  }, 'Constructing a CSSScale with ' + desc + ' for the coordinates throws a TypeError');

for (const attr of ['x', 'y', 'z']) {

  for (const {value, desc} of gInvalidCoordTestCases) {

    test(() => {

      let result = new CSSScale(0, 0, 0);

      assert_throws_js(TypeError, () => result[attr] = value);

      assert_style_value_equals(result[attr], CSS.number(0));

    }, 'Updating CSSScale.' + attr + ' to ' + desc + ' throws a TypeError');

test(() => {

  const result = new CSSScale(-3.14, CSS.number(3.14));

  assert_style_value_equals(result.x, CSS.number(-3.14));

  assert_style_value_equals(result.y, CSS.number(3.14));

  assert_style_value_equals(result.z, CSS.number(1));

  assert_true(result.is2D);

}, 'CSSScale can be constructed from two number coordinates');

test(() => {

  const result = new CSSScale(-3.14, CSS.number(3.14), -3.14);

  assert_style_value_equals(result.x, CSS.number(-3.14));

  assert_style_value_equals(result.y, CSS.number(3.14));

  assert_style_value_equals(result.z, CSS.number(-3.14));

  assert_false(result.is2D);

}, 'CSSScale can be constructed from three number coordinates');

test(() => {

  const result = new CSSScale(new CSSMathSum(-3.14), new CSSMathMax(3.14), new CSSMathNegate(-3.14));

  assert_style_value_equals(result.x, new CSSMathSum(-3.14));

  assert_style_value_equals(result.y, new CSSMathMax(3.14));

  assert_style_value_equals(result.z, new CSSMathNegate(-3.14));

  assert_false(result.is2D);

}, 'CSSScale can be constructed from CSSMathValue coordinates');

for (const attr of ['x', 'y', 'z']) {

  test(() => {

    let result = new CSSScale(0, 0, 0);

    result[attr] = 3.14;

    assert_style_value_equals(result[attr], CSS.number(3.14));

  }, 'CSSScale.' + attr + ' can be updated to a number');

  test(() => {

    let result = new CSSScale(0, 0, 0);

    result[attr] = CSS.number(3.14);

    assert_style_value_equals(result[attr], CSS.number(3.14));

  }, 'CSSScale.' + attr + ' can be updated to a numberish');

  test(() => {

    let result = new CSSScale(0, 0, 0);

    result[attr] = new CSSMathSum(3.14);

    assert_style_value_equals(result[attr], new CSSMathSum(3.14));

  }, 'CSSScale.' + attr + ' can be updated to a CSSMathValue');

test(() => {

  let rotation = new CSSScale(0, 0, 0);

  rotation.is2D = true;

  assert_true(rotation.is2D);

  rotation.is2D = false;

  assert_false(rotation.is2D);

}, 'Modifying CSSScale.is2D can be updated to true or false');

</script>