<!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>
