rgba-011.html (1854B)
1 <!DOCTYPE html> 2 3 <meta charset="UTF-8"> 4 5 <title>CSS Values and Units Test: rgba() function syntax (complex)</title> 6 7 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> 8 <link rel="help" href="https://www.w3.org/TR/css-color-3/#rgba-color"> 9 <link rel="help" href="https://www.w3.org/TR/css-color-4/#rgb-functions"> 10 <link rel="help" href="https://www.w3.org/TR/css-values-4/#combine-integers"> 11 12 <meta name="assert" content="This test checks the syntax allowed by rgba() function. White space characters, instead of commas, are allowed between numerical values. <alpha-value> can be omitted for rgba() function, in which case it must defaults to 100%. Finally, rgba() function can take real numbers but their computed values will be rounded to the nearest integer, with values halfway between adjacent integers rounded towards positive infinity."> 13 14 <script src="/resources/testharness.js"></script> 15 16 <script src="/resources/testharnessreport.js"></script> 17 18 <div id="log"></div> 19 20 <div id="target"></div> 21 22 <script> 23 function startTesting() 24 { 25 26 var targetElement = document.getElementById("target"); 27 28 function compareValue(property_name, calcValue, expectedValue, description) 29 { 30 31 test(function() 32 { 33 34 targetElement.style.setProperty(property_name, calcValue); 35 36 var computedCalcValue = getComputedStyle(targetElement)[property_name]; 37 38 targetElement.style.setProperty(property_name, expectedValue); 39 40 var computedExpectedValue = getComputedStyle(targetElement)[property_name]; 41 42 assert_equals(computedCalcValue, computedExpectedValue); 43 44 }, description); 45 } 46 47 compareValue("background-color", "rgba(0.4 127.5 0.3)", "rgb(0, 128, 0)", "testing background-color: rgba(0.4 127.5 0.3)"); 48 49 } 50 51 startTesting(); 52 53 </script>