third_party/WebKit/LayoutTests/css3/blending/script-tests/background-blend-mode-property.js

   1 description("Test the parsing of the background-blend-mode property.");
   2
   3 var styleElement = document.createElement("style");
   4 document.head.appendChild(styleElement);
   5 var stylesheet = styleElement.sheet;
   6 var cssRule;
   7 var declaration;
   8
   9 function testblendmode(blendmode)
  10 {
  11 // add a -webkit-filter property to the start of the stylesheet
  12 stylesheet.addRule("body", "background-blend-mode: " + blendmode + ", " + blendmode, 0);
  13
  14 cssRule = stylesheet.cssRules.item(0);
  15
  16 shouldBe("cssRule.type", "1");
  17
  18 declaration = cssRule.style;
  19 shouldBe("declaration.length", "1");
  20 shouldBe("declaration.getPropertyValue('background-blend-mode')", "\'" + blendmode + ", " + blendmode + "\'");
  21 }
  22
  23 var blendmodes = ["normal", "multiply", "screen", "overlay", "darken", "lighten", "color-dodge", "color-burn", "hard-light", "soft-light", "difference", "exclusion", "hue", "saturation", "color", "luminosity"];
  24
  25 for(x in blendmodes)
  26    testblendmode(blendmodes[x]);
  27
  28 successfullyParsed = true;