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