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| (Empty) | |
| 1 <!doctype html> |
| 2 <script> |
| 3 if (window.testRunner) |
| 4 testRunner.dumpAsText(); |
| 5 |
| 6 var TESTS = [ |
| 7 ["#000", 0, 0, 0], |
| 8 ["#001", 0, 0, 17], |
| 9 ["#012", 0, 17, 34], |
| 10 ["#123", 17, 34, 51], |
| 11 ["#0001", 0, 0, 0, 17], |
| 12 ["#0012", 0, 0, 17,34], |
| 13 ["#0123", 0, 17, 34, 51], |
| 14 ["#1234", 17, 34, 51, 68], |
| 15 ["#000000", 0, 0, 0], |
| 16 ["#000012", 0, 0, 18], |
| 17 ["#001234", 0, 18, 52], |
| 18 ["#123456", 18, 52, 86], |
| 19 ["#00000000", 0, 0, 0, 0], |
| 20 ["#00000012", 0, 0, 0, 18], |
| 21 ["#00001234", 0, 0, 18, 52], |
| 22 ["#00123456", 0, 18, 52, 86], |
| 23 ["#12345678", 18, 52, 86, 120], |
| 24 // Bad content from here on shows the red failure color. |
| 25 ["#12x3", 255, 0, 0], |
| 26 ["#123x", 255, 0, 0], |
| 27 ["#123x4567", 255, 0, 0], |
| 28 ["#1234567r", 255, 0, 0], |
| 29 ["#123456x6", 255, 0, 0], |
| 30 ]; |
| 31 |
| 32 function extractComponents(rgbValue) { |
| 33 var re = /rgba?\((\d+),\s(\d+),\s(\d+)(,\s([\d\.]+))?\)/; |
| 34 var match = re.exec(rgbValue); |
| 35 var results = [parseInt(match[1]), parseInt(match[2]), parseInt(match[3])]; |
| 36 if (match[5]) |
| 37 results.push(Math.round(parseFloat(match[5]) * 255)); |
| 38 return results; |
| 39 } |
| 40 |
| 41 function componentsMatch(components, expectedR, expectedG, expectedB, expectedA)
{ |
| 42 if (components[0] == expectedR && components[1] == expectedG && components[2
] == expectedB) { |
| 43 if (components.length != 4) |
| 44 return true; |
| 45 return components[3] == expectedA; |
| 46 } |
| 47 } |
| 48 |
| 49 function componentsAsRGBA(r, g, b, a) { |
| 50 if (a !== undefined) |
| 51 return "red:" + r + " green: " + g + " blue: " + b + " alpha: " + a; |
| 52 return "red:" + r + " green: " + g + " blue: " + b; |
| 53 } |
| 54 |
| 55 function runTest() { |
| 56 var element = document.querySelector("p"); |
| 57 var results = ""; |
| 58 |
| 59 for (var test of TESTS) { |
| 60 element.style.color = test[0]; |
| 61 var components = extractComponents(window.getComputedStyle(element).colo
r); |
| 62 if (componentsMatch(components, test[1], test[2], test[3], test[4])) |
| 63 results += "PASS " + test[0] + " was " + componentsAsRGBA(test[1], t
est[2], test[3], test[4]) + "<br>"; |
| 64 else |
| 65 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>"; |
| 66 |
| 67 // Force a color reset and style recalc. |
| 68 element.style.color = "red"; |
| 69 computedStyle = window.getComputedStyle(element).color; |
| 70 } |
| 71 |
| 72 document.querySelector("div").innerHTML = results; |
| 73 } |
| 74 |
| 75 window.addEventListener("load", runTest, false); |
| 76 </script> |
| 77 <div id="results"></div> |
| 78 <p></p> |
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Chromium Code Reviews
Issue 1936913002:
[CSS] Accept 8 (#RRGGBBAA) and 4 (#RGBA) value hex colors (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master