| <!doctype html> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| var TESTS = [ |
| ["#000", 0, 0, 0], |
| ["#001", 0, 0, 17], |
| ["#012", 0, 17, 34], |
| ["#123", 17, 34, 51], |
| ["#0001", 0, 0, 0, 17], |
| ["#0012", 0, 0, 17,34], |
| ["#0123", 0, 17, 34, 51], |
| ["#1234", 17, 34, 51, 68], |
| ["#000000", 0, 0, 0], |
| ["#000012", 0, 0, 18], |
| ["#001234", 0, 18, 52], |
| ["#123456", 18, 52, 86], |
| ["#00000000", 0, 0, 0, 0], |
| ["#00000012", 0, 0, 0, 18], |
| ["#00001234", 0, 0, 18, 52], |
| ["#00123456", 0, 18, 52, 86], |
| ["#12345678", 18, 52, 86, 120], |
| // Bad content from here on shows the red failure color. |
| ["#12x3", 255, 0, 0], |
| ["#123x", 255, 0, 0], |
| ["#123x4567", 255, 0, 0], |
| ["#1234567r", 255, 0, 0], |
| ["#123456x6", 255, 0, 0], |
| ]; |
| |
| function extractComponents(rgbValue) { |
| var re = /rgba?\((\d+),\s(\d+),\s(\d+)(,\s([\d\.]+))?\)/; |
| var match = re.exec(rgbValue); |
| var results = [parseInt(match[1]), parseInt(match[2]), parseInt(match[3])]; |
| if (match[5]) |
| results.push(Math.round(parseFloat(match[5]) * 255)); |
| return results; |
| } |
| |
| function componentsMatch(components, expectedR, expectedG, expectedB, expectedA) { |
| if (components[0] == expectedR && components[1] == expectedG && components[2] == expectedB) { |
| if (components.length != 4) |
| return true; |
| return components[3] == expectedA; |
| } |
| } |
| |
| function componentsAsRGBA(r, g, b, a) { |
| if (a !== undefined) |
| return "red:" + r + " green: " + g + " blue: " + b + " alpha: " + a; |
| return "red:" + r + " green: " + g + " blue: " + b; |
| } |
| |
| function runTest() { |
| var element = document.querySelector("p"); |
| var results = ""; |
| |
| for (var test of TESTS) { |
| element.style.color = test[0]; |
| var components = extractComponents(window.getComputedStyle(element).color); |
| if (componentsMatch(components, test[1], test[2], test[3], test[4])) |
| results += "PASS " + test[0] + " was " + componentsAsRGBA(test[1], test[2], test[3], test[4]) + "<br>"; |
| else |
| results += "FAIL " + test[0] + " should be " + componentsAsRGBA(test[1], test[2], test[3], test[4]) + " but was " + componentsAsRGBA(components[0], components[1], components[2], components[3]) + "<br>"; |
| |
| // Force a color reset and style recalc. |
| element.style.color = "red"; |
| computedStyle = window.getComputedStyle(element).color; |
| } |
| |
| document.querySelector("div").innerHTML = results; |
| } |
| |
| window.addEventListener("load", runTest, false); |
| </script> |
| <div id="results"></div> |
| <p></p> |
