setup-python/node_modules/cssstyle/tests/tests.js

'use strict';
var cssstyle = require('../lib/CSSStyleDeclaration');

var { dashedToCamelCase } = require('../lib/parsers');

var dashedProperties = [
  ...require('../lib/allProperties'),
  ...require('../lib/allExtraProperties'),
];
var allowedProperties = dashedProperties.map(dashedToCamelCase);
var implementedProperties = Array.from(require('../lib/implementedProperties')).map(
  dashedToCamelCase
);
var invalidProperties = implementedProperties.filter(function(property) {
  return !allowedProperties.includes(property);
});

module.exports = {
  'Verify Has Only Valid Properties Implemented': function(test) {
    test.expect(1);
    test.ok(
      invalidProperties.length === 0,
      invalidProperties.length +
        ' invalid properties implemented: ' +
        Array.from(invalidProperties).join(', ')
    );
    test.done();
  },
  'Verify Has All Properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(allowedProperties.length * 2);
    allowedProperties.forEach(function(property) {
      test.ok(style.__lookupGetter__(property), 'missing ' + property + ' property');
      test.ok(style.__lookupSetter__(property), 'missing ' + property + ' property');
    });
    test.done();
  },
  'Verify Has All Dashed Properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(dashedProperties.length * 2);
    dashedProperties.forEach(function(property) {
      test.ok(style.__lookupGetter__(property), 'missing ' + property + ' property');
      test.ok(style.__lookupSetter__(property), 'missing ' + property + ' property');
    });
    test.done();
  },
  'Verify Has Functions': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(6);
    test.ok(typeof style.getPropertyValue === 'function', 'missing getPropertyValue()');
    test.ok(typeof style.getPropertyCSSValue === 'function', 'missing getPropertyCSSValue()');
    test.ok(typeof style.removeProperty === 'function', 'missing removeProperty()');
    test.ok(typeof style.getPropertyPriority === 'function', 'missing getPropertyPriority()');
    test.ok(typeof style.setProperty === 'function', 'missing setProperty()');
    test.ok(typeof style.item === 'function', 'missing item()');
    test.done();
  },
  'Verify Has Special Properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(5);
    test.ok(style.__lookupGetter__('cssText'), 'missing cssText getter');
    test.ok(style.__lookupSetter__('cssText'), 'missing cssText setter');
    test.ok(style.__lookupGetter__('length'), 'missing length getter');
    test.ok(style.__lookupSetter__('length'), 'missing length setter');
    test.ok(style.__lookupGetter__('parentRule'), 'missing parentRule getter');
    test.done();
  },
  'Test From Style String': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(8);
    style.cssText = 'color: blue; background-color: red; width: 78%; height: 50vh;';
    test.ok(4 === style.length, 'length is not 4');
    test.ok(
      'color: blue; background-color: red; width: 78%; height: 50vh;' === style.cssText,
      'cssText is wrong'
    );
    test.ok('blue' === style.getPropertyValue('color'), "getPropertyValue('color') failed");
    test.ok('color' === style.item(0), 'item(0) failed');
    test.ok('background-color' === style[1], 'style[1] failed');
    test.ok(
      'red' === style.backgroundColor,
      'style.backgroundColor failed with "' + style.backgroundColor + '"'
    );
    style.cssText = '';
    test.ok('' === style.cssText, 'cssText is not empty');
    test.ok(0 === style.length, 'length is not 0');
    test.done();
  },
  'Test From Properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(11);
    style.color = 'blue';
    test.ok(1 === style.length, 'length is not 1');
    test.ok('color' === style[0], 'style[0] is not color');
    test.ok('color: blue;' === style.cssText, 'cssText is wrong');
    test.ok('color' === style.item(0), 'item(0) is not color');
    test.ok('blue' === style.color, 'color is not blue');
    style.backgroundColor = 'red';
    test.ok(2 === style.length, 'length is not 2');
    test.ok('color' === style[0], 'style[0] is not color');
    test.ok('background-color' === style[1], 'style[1] is not background-color');
    test.ok('color: blue; background-color: red;' === style.cssText, 'cssText is wrong');
    test.ok('red' === style.backgroundColor, 'backgroundColor is not red');
    style.removeProperty('color');
    test.ok('background-color' === style[0], 'style[0] is not background-color');
    test.done();
  },
  'Test Shorthand Properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(11);
    style.background = 'blue url(http://www.example.com/some_img.jpg)';
    test.ok('blue' === style.backgroundColor, 'backgroundColor is not blue');
    test.ok(
      'url(http://www.example.com/some_img.jpg)' === style.backgroundImage,
      'backgroundImage is wrong'
    );
    test.ok(
      'blue url(http://www.example.com/some_img.jpg)' === style.background,
      'background is different'
    );
    style.border = '0 solid black';
    test.ok('0px' === style.borderWidth, 'borderWidth is not 0px');
    test.ok('solid' === style.borderStyle, 'borderStyle is not solid');
    test.ok('black' === style.borderColor, 'borderColor is not black');
    test.ok('0px' === style.borderTopWidth, 'borderTopWidth is not 0px');
    test.ok('solid' === style.borderLeftStyle, 'borderLeftStyle is not solid');
    test.ok('black' === style.borderBottomColor, 'borderBottomColor is not black');
    style.font = '12em monospace';
    test.ok('12em' === style.fontSize, 'fontSize is not 12em');
    test.ok('monospace' === style.fontFamily, 'fontFamily is not monospace');
    test.done();
  },
  'Test width and height Properties and null and empty strings': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(9);
    style.height = 6;
    test.ok('' === style.height, 'height does not remain unset');
    style.width = 0;
    test.ok('0px' === style.width, 'width is not 0px');
    style.height = '34%';
    test.ok('34%' === style.height, 'height is not 34%');
    style.height = '100vh';
    test.ok('100vh' === style.height, 'height is not 100vh');
    style.height = '100vw';
    test.ok('100vw' === style.height, 'height is not 100vw');
    style.height = '';
    test.ok(style.length === 1, 'length is not 1');
    test.ok('width: 0px;' === style.cssText, 'cssText is not "width: 0px;"');
    style.width = null;
    test.ok(style.length === 0, 'length is not 0');
    test.ok('' === style.cssText, 'cssText is not empty string');
    test.done();
  },
  'Test Implicit Properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(7);
    style.borderWidth = 0;
    test.ok(1 === style.length, 'length is not 1');
    test.ok('0px' === style.borderWidth, 'borderWidth is not 0px');
    test.ok('0px' === style.borderTopWidth, 'borderTopWidth is not 0px');
    test.ok('0px' === style.borderBottomWidth, 'borderBottomWidth is not 0px');
    test.ok('0px' === style.borderLeftWidth, 'borderLeftWidth is not 0px');
    test.ok('0px' === style.borderRightWidth, 'borderRightWidth is not 0px');
    test.ok(
      'border-width: 0px;' === style.cssText,
      'cssText is not "border-width: 0px", "' + style.cssText + '"'
    );
    test.done();
  },
  'Test Top, Left, Right, Bottom Properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(6);
    style.top = 0;
    style.left = '0%';
    style.right = '5em';
    style.bottom = '12pt';
    test.ok('0px' === style.top, 'top is not 0px');
    test.ok('0%' === style.left, 'left is not 0%');
    test.ok('5em' === style.right, 'right is not 5em');
    test.ok('12pt' === style.bottom, 'bottom is not 12pt');
    test.ok(4 === style.length, 'length is not 4');
    test.ok(
      'top: 0px; left: 0%; right: 5em; bottom: 12pt;' === style.cssText,
      'text is not "top: 0px; left: 0%; right: 5em; bottom: 12pt;"'
    );
    test.done();
  },
  'Test Clear and Clip Properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(10);
    style.clear = 'none';
    test.ok('none' === style.clear, 'clear is not none');
    style.clear = 'lfet'; // intentionally wrong
    test.ok('none' === style.clear, 'clear is not still none');
    style.clear = 'left';
    test.ok('left' === style.clear, 'clear is not left');
    style.clear = 'right';
    test.ok('right' === style.clear, 'clear is not right');
    style.clear = 'both';
    test.ok('both' === style.clear, 'clear is not both');
    style.clip = 'elipse(5px, 10px)';
    test.ok('' === style.clip, 'clip should not be set');
    test.ok(1 === style.length, 'length is not 1');
    style.clip = 'rect(0, 3Em, 2pt, 50%)';
    test.ok(
      'rect(0px, 3em, 2pt, 50%)' === style.clip,
      'clip is not "rect(0px, 3em, 2pt, 50%)", "' + style.clip + '"'
    );
    test.ok(2 === style.length, 'length is not 2');
    test.ok(
      'clear: both; clip: rect(0px, 3em, 2pt, 50%);' === style.cssText,
      'cssText is not "clear: both; clip: rect(0px, 3em, 2pt, 50%);"'
    );
    test.done();
  },
  'Test colors': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(9);
    style.color = 'rgba(0,0,0,0)';
    test.ok('rgba(0, 0, 0, 0)' === style.color, 'color is not rgba(0, 0, 0, 0)');
    style.color = 'rgba(5%, 10%, 20%, 0.4)';
    test.ok('rgba(12, 25, 51, 0.4)' === style.color, 'color is not rgba(12, 25, 51, 0.4)');
    style.color = 'rgb(33%, 34%, 33%)';
    test.ok('rgb(84, 86, 84)' === style.color, 'color is not rgb(84, 86, 84)');
    style.color = 'rgba(300, 200, 100, 1.5)';
    test.ok('rgb(255, 200, 100)' === style.color, 'color is not rgb(255, 200, 100) ' + style.color);
    style.color = 'hsla(0, 1%, 2%, 0.5)';
    test.ok(
      'hsla(0, 1%, 2%, 0.5)' === style.color,
      'color is not hsla(0, 1%, 2%, 0.5) ' + style.color
    );
    style.color = 'hsl(0, 1%, 2%)';
    test.ok('hsl(0, 1%, 2%)' === style.color, 'color is not hsl(0, 1%, 2%) ' + style.color);
    style.color = 'rebeccapurple';
    test.ok('rebeccapurple' === style.color, 'color is not rebeccapurple ' + style.color);
    style.color = 'transparent';
    test.ok('transparent' === style.color, 'color is not transparent ' + style.color);
    style.color = 'currentcolor';
    test.ok('currentcolor' === style.color, 'color is not currentcolor ' + style.color);
    test.done();
  },
  'Test short hand properties with embedded spaces': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(4);
    style.background = 'rgb(0, 0, 0) url(/something/somewhere.jpg)';
    test.ok(
      'rgb(0, 0, 0)' === style.backgroundColor,
      'backgroundColor is not rgb(0, 0, 0): ' + style.backgroundColor
    );
    test.ok(
      'url(/something/somewhere.jpg)' === style.backgroundImage,
      'backgroundImage is not url(/something/somewhere.jpg): ' + style.backgroundImage
    );
    test.ok(
      'background: rgb(0, 0, 0) url(/something/somewhere.jpg);' === style.cssText,
      'cssText is not correct: ' + style.cssText
    );
    style = new cssstyle.CSSStyleDeclaration();
    style.border = '  1px  solid   black  ';
    test.ok(
      '1px solid black' === style.border,
      'multiple spaces not properly parsed: ' + style.border
    );
    test.done();
  },
  'Setting shorthand properties to an empty string should clear all dependent properties': function(
    test
  ) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.borderWidth = '1px';
    test.ok(
      'border-width: 1px;' === style.cssText,
      'cssText is not "border-width: 1px;": ' + style.cssText
    );
    style.border = '';
    test.ok('' === style.cssText, 'cssText is not "": ' + style.cssText);
    test.done();
  },
  'Setting implicit properties to an empty string should clear all dependent properties': function(
    test
  ) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.borderTopWidth = '1px';
    test.ok(
      'border-top-width: 1px;' === style.cssText,
      'cssText is not "border-top-width: 1px;": ' + style.cssText
    );
    style.borderWidth = '';
    test.ok('' === style.cssText, 'cssText is not "": ' + style.cssText);
    test.done();
  },
  'Setting a shorthand property, whose shorthands are implicit properties, to an empty string should clear all dependent properties': function(
    test
  ) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(4);
    style.borderTopWidth = '1px';
    test.ok(
      'border-top-width: 1px;' === style.cssText,
      'cssText is not "border-top-width: 1px;": ' + style.cssText
    );
    style.border = '';
    test.ok('' === style.cssText, 'cssText is not "": ' + style.cssText);
    style.borderTop = '1px solid black';
    test.ok(
      'border-top: 1px solid black;' === style.cssText,
      'cssText is not "border-top: 1px solid black;": ' + style.cssText
    );
    style.border = '';
    test.ok('' === style.cssText, 'cssText is not "": ' + style.cssText);
    test.done();
  },
  'Setting border values to "none" should clear dependent values': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(8);
    style.borderTopWidth = '1px';
    test.ok(
      'border-top-width: 1px;' === style.cssText,
      'cssText is not "border-top-width: 1px;": ' + style.cssText
    );
    style.border = 'none';
    test.ok('' === style.cssText, 'cssText is not "": ' + style.cssText);
    style.borderTopWidth = '1px';
    test.ok(
      'border-top-width: 1px;' === style.cssText,
      'cssText is not "border-top-width: 1px;": ' + style.cssText
    );
    style.borderTopStyle = 'none';
    test.ok('' === style.cssText, 'cssText is not "": ' + style.cssText);
    style.borderTopWidth = '1px';
    test.ok(
      'border-top-width: 1px;' === style.cssText,
      'cssText is not "border-top-width: 1px;": ' + style.cssText
    );
    style.borderTop = 'none';
    test.ok('' === style.cssText, 'cssText is not "": ' + style.cssText);
    style.borderTopWidth = '1px';
    style.borderLeftWidth = '1px';
    test.ok(
      'border-top-width: 1px; border-left-width: 1px;' === style.cssText,
      'cssText is not "border-top-width: 1px; border-left-width: 1px;": ' + style.cssText
    );
    style.borderTop = 'none';
    test.ok(
      'border-left-width: 1px;' === style.cssText,
      'cssText is not "border-left-width: 1px;": ' + style.cssText
    );
    test.done();
  },
  'Setting border to 0 should be okay': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(1);
    style.border = 0;
    test.ok('border: 0px;' === style.cssText, 'cssText is not "border: 0px;": ' + style.cssText);
    test.done();
  },
  'Setting values implicit and shorthand properties via cssText and setProperty should propagate to dependent properties': function(
    test
  ) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(4);
    style.cssText = 'border: 1px solid black;';
    test.ok(
      'border: 1px solid black;' === style.cssText,
      'cssText is not "border: 1px solid black;": ' + style.cssText
    );
    test.ok(
      '1px solid black' === style.borderTop,
      'borderTop is not "1px solid black": ' + style.borderTop
    );
    style.border = '';
    test.ok('' === style.cssText, 'cssText is not "": ' + style.cssText);
    style.setProperty('border', '1px solid black');
    test.ok(
      'border: 1px solid black;' === style.cssText,
      'cssText is not "border: 1px solid black;": ' + style.cssText
    );
    test.done();
  },
  'Setting opacity should work': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(3);
    style.setProperty('opacity', 0.75);
    test.ok(
      'opacity: 0.75;' === style.cssText,
      'cssText is not "opacity: 0.75;": ' + style.cssText
    );
    style.opacity = '0.50';
    test.ok('opacity: 0.5;' === style.cssText, 'cssText is not "opacity: 0.5;": ' + style.cssText);
    style.opacity = 1.0;
    test.ok('opacity: 1;' === style.cssText, 'cssText is not "opacity: 1;": ' + style.cssText);
    test.done();
  },
  'Width and height of auto should work': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(4);
    style.width = 'auto';
    test.equal(style.cssText, 'width: auto;', 'cssText is not "width: auto;": ' + style.cssText);
    test.equal(style.width, 'auto', 'width is not "auto": ' + style.width);
    style = new cssstyle.CSSStyleDeclaration();
    style.height = 'auto';
    test.equal(style.cssText, 'height: auto;', 'cssText is not "height: auto;": ' + style.cssText);
    test.equal(style.height, 'auto', 'height is not "auto": ' + style.height);
    test.done();
  },
  'Padding and margin should set/clear shorthand properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    var parts = ['Top', 'Right', 'Bottom', 'Left'];
    var testParts = function(name, v, V) {
      style[name] = v;
      for (var i = 0; i < 4; i++) {
        var part = name + parts[i];
        test.equal(V[i], style[part], part + ' is not "' + V[i] + '": "' + style[part] + '"');
      }
      test.equal(v, style[name], name + ' is not "' + v + '": "' + style[name] + '"');
      style[name] = '';
    };
    test.expect(50);
    testParts('padding', '1px', ['1px', '1px', '1px', '1px']);
    testParts('padding', '1px 2%', ['1px', '2%', '1px', '2%']);
    testParts('padding', '1px 2px 3px', ['1px', '2px', '3px', '2px']);
    testParts('padding', '1px 2px 3px 4px', ['1px', '2px', '3px', '4px']);
    style.paddingTop = style.paddingRight = style.paddingBottom = style.paddingLeft = '1px';
    testParts('padding', '', ['', '', '', '']);
    testParts('margin', '1px', ['1px', '1px', '1px', '1px']);
    testParts('margin', '1px auto', ['1px', 'auto', '1px', 'auto']);
    testParts('margin', '1px 2% 3px', ['1px', '2%', '3px', '2%']);
    testParts('margin', '1px 2px 3px 4px', ['1px', '2px', '3px', '4px']);
    style.marginTop = style.marginRight = style.marginBottom = style.marginLeft = '1px';
    testParts('margin', '', ['', '', '', '']);
    test.done();
  },
  'Padding and margin shorthands should set main properties': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    var parts = ['Top', 'Right', 'Bottom', 'Left'];
    var testParts = function(name, v, V) {
      var expect;
      for (var i = 0; i < 4; i++) {
        style[name] = v;
        style[name + parts[i]] = V;
        expect = v.split(/ /);
        expect[i] = V;
        expect = expect.join(' ');
        test.equal(expect, style[name], name + ' is not "' + expect + '": "' + style[name] + '"');
      }
    };
    test.expect(12);
    testParts('padding', '1px 2px 3px 4px', '10px');
    testParts('margin', '1px 2px 3px 4px', '10px');
    testParts('margin', '1px 2px 3px 4px', 'auto');
    test.done();
  },
  'Setting a value to 0 should return the string value': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(1);
    style.setProperty('fill-opacity', 0);
    test.ok('0' === style.fillOpacity, 'fillOpacity is not "0": ' + style.fillOpacity);
    test.done();
  },
  'onChange callback should be called when the cssText changes': function(test) {
    var style = new cssstyle.CSSStyleDeclaration(function(cssText) {
      test.ok('opacity: 0;' === cssText, 'cssText is not "opacity: 0;": ' + cssText);
      test.done();
    });
    test.expect(1);
    style.setProperty('opacity', 0);
  },
  'Setting float should work the same as cssFloat': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(1);
    style.float = 'left';
    test.ok('left' === style.cssFloat, 'cssFloat is not "left": ' + style.cssFloat);
    test.done();
  },
  'Setting improper css to cssText should not throw': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.cssText = 'color: ';
    test.ok('' === style.cssText, "cssText wasn't cleared: " + style.cssText);
    style.color = 'black';
    style.cssText = 'float: ';
    test.ok('' === style.cssText, "cssText wasn't cleared: " + style.cssText);
    test.done();
  },
  'Make sure url parsing works with quotes': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(3);
    style.backgroundImage = 'url(http://some/url/here1.png)';
    test.ok(
      'url(http://some/url/here1.png)' === style.backgroundImage,
      "background-image wasn't url(http://some/url/here1.png): " + style.backgroundImage
    );
    style.backgroundImage = "url('http://some/url/here2.png')";
    test.ok(
      'url(http://some/url/here2.png)' === style.backgroundImage,
      "background-image wasn't url(http://some/url/here2.png): " + style.backgroundImage
    );
    style.backgroundImage = 'url("http://some/url/here3.png")';
    test.ok(
      'url(http://some/url/here3.png)' === style.backgroundImage,
      "background-image wasn't url(http://some/url/here3.png): " + style.backgroundImage
    );
    test.done();
  },
  'Make sure setting 0 to a padding or margin works': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.padding = 0;
    test.equal(style.cssText, 'padding: 0px;', 'padding is not 0px');
    style.margin = '1em';
    style.marginTop = '0';
    test.equal(style.marginTop, '0px', 'margin-top is not 0px');
    test.done();
  },
  'Make sure setting ex units to a padding or margin works': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.padding = '1ex';
    test.equal(style.cssText, 'padding: 1ex;', 'padding is not 1ex');
    style.margin = '1em';
    style.marginTop = '0.5ex';
    test.equal(style.marginTop, '0.5ex', 'margin-top is not 0.5ex');
    test.done();
  },
  'Make sure setting null to background works': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.background = 'red';
    test.equal(style.cssText, 'background: red;', 'background is not red');
    style.background = null;
    test.equal(style.cssText, '', 'cssText is not empty');
    test.done();
  },
  'Flex properties should keep their values': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.flexDirection = 'column';
    test.equal(style.cssText, 'flex-direction: column;', 'flex-direction is not column');
    style.flexDirection = 'row';
    test.equal(style.cssText, 'flex-direction: row;', 'flex-direction is not column');
    test.done();
  },
  'Make sure camelCase properties are not assigned with `.setProperty()`': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(1);
    style.setProperty('fontSize', '12px');
    test.equal(style.cssText, '', 'cssText is not empty');
    test.done();
  },
  'Make sure casing is ignored in `.setProperty()`': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.setProperty('FoNt-SiZe', '12px');
    test.equal(style.fontSize, '12px', 'font-size: 12px');
    test.equal(style.getPropertyValue('font-size'), '12px', 'font-size: 12px');
    test.done();
  },
  'Support non string entries in border-spacing': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(1);
    style.borderSpacing = 0;
    test.equal(style.cssText, 'border-spacing: 0px;', 'border-spacing is not 0');
    test.done();
  },
  'Float should be valid property for `.setProperty()`': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.setProperty('float', 'left');
    test.equal(style.float, 'left');
    test.equal(style.getPropertyValue('float'), 'left', 'float: left');
    test.done();
  },
  'Make sure flex-shrink works': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(3);
    style.setProperty('flex-shrink', 0);
    test.equal(style.getPropertyValue('flex-shrink'), '0', 'flex-shrink is not 0');
    style.setProperty('flex-shrink', 1);
    test.equal(style.getPropertyValue('flex-shrink'), '1', 'flex-shrink is not 1');
    test.equal(style.cssText, 'flex-shrink: 1;', 'flex-shrink cssText is incorrect');
    test.done();
  },
  'Make sure flex-grow works': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(2);
    style.setProperty('flex-grow', 2);
    test.equal(style.getPropertyValue('flex-grow'), '2', 'flex-grow is not 2');
    test.equal(style.cssText, 'flex-grow: 2;', 'flex-grow cssText is incorrect');
    test.done();
  },
  'Make sure flex-basis works': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(5);

    style.setProperty('flex-basis', 0);
    test.equal(style.getPropertyValue('flex-basis'), '0px', 'flex-basis is not 0px');

    style.setProperty('flex-basis', '250px');
    test.equal(style.getPropertyValue('flex-basis'), '250px', 'flex-basis is not 250px');

    style.setProperty('flex-basis', '10em');
    test.equal(style.getPropertyValue('flex-basis'), '10em', 'flex-basis is not 10em');

    style.setProperty('flex-basis', '30%');
    test.equal(style.getPropertyValue('flex-basis'), '30%', 'flex-basis is not 30%');

    test.equal(style.cssText, 'flex-basis: 30%;', 'flex-basis cssText is incorrect');

    test.done();
  },
  'Make sure shorthand flex works': function(test) {
    var style = new cssstyle.CSSStyleDeclaration();
    test.expect(19);

    style.setProperty('flex', 'none');
    test.equal(style.getPropertyValue('flex-grow'), '0', 'flex-grow is not 0 if flex: none;');
    test.equal(style.getPropertyValue('flex-shrink'), '0', 'flex-shrink is not 0 if flex: none;');
    test.equal(
      style.getPropertyValue('flex-basis'),
      'auto',
      'flex-basis is not `auto` if flex: none;'
    );
    style.removeProperty('flex');
    style.removeProperty('flex-basis');

    style.setProperty('flex', 'auto');
    test.equal(style.getPropertyValue('flex-grow'), '', 'flex-grow is not empty if flex: auto;');
    test.equal(
      style.getPropertyValue('flex-shrink'),
      '',
      'flex-shrink is not empty if flex: auto;'
    );
    test.equal(
      style.getPropertyValue('flex-basis'),
      'auto',
      'flex-basis is not `auto` if flex: auto;'
    );
    style.removeProperty('flex');

    style.setProperty('flex', '0 1 250px');
    test.equal(style.getPropertyValue('flex'), '0 1 250px', 'flex value is not `0 1 250px`');
    test.equal(style.getPropertyValue('flex-grow'), '0', 'flex-grow is not 0');
    test.equal(style.getPropertyValue('flex-shrink'), '1', 'flex-shrink is not 1');
    test.equal(style.getPropertyValue('flex-basis'), '250px', 'flex-basis is not 250px');
    style.removeProperty('flex');

    style.setProperty('flex', '2');
    test.equal(style.getPropertyValue('flex-grow'), '2', 'flex-grow is not 2');
    test.equal(style.getPropertyValue('flex-shrink'), '', 'flex-shrink is not empty');
    test.equal(style.getPropertyValue('flex-basis'), '', 'flex-basis is not empty');
    style.removeProperty('flex');

    style.setProperty('flex', '20%');
    test.equal(style.getPropertyValue('flex-grow'), '', 'flex-grow is not empty');
    test.equal(style.getPropertyValue('flex-shrink'), '', 'flex-shrink is not empty');
    test.equal(style.getPropertyValue('flex-basis'), '20%', 'flex-basis is not 20%');
    style.removeProperty('flex');

    style.setProperty('flex', '2 2');
    test.equal(style.getPropertyValue('flex-grow'), '2', 'flex-grow is not 2');
    test.equal(style.getPropertyValue('flex-shrink'), '2', 'flex-shrink is not 2');
    test.equal(style.getPropertyValue('flex-basis'), '', 'flex-basis is not empty');
    style.removeProperty('flex');

    test.done();
  },
};