2016-06-07 18:15:31 +00:00
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<!DOCTYPE HTML>
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<script src="../resources/js-test-pre.js"></script>
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<p id="description"></p>
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<div id="console"></div>
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2017-05-24 22:53:00 +00:00
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<script>
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description("Test the computed style of the spring() function on the transition-timing-function property.");
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if (window.internals)
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internals.settings.setSpringTimingFunctionEnabled(true);
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// These have to be global for the test helpers to see them.
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var stylesheet, springStyle;
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var styleElement = document.createElement("style");
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document.head.appendChild(styleElement);
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stylesheet = styleElement.sheet;
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var div = document.createElement(div);
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div.id = "target";
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document.body.appendChild(div);
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function testComputedSpring(description, spring, expectedValue)
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{
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debug("");
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debug(description + " : " + spring);
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stylesheet.insertRule("#target { transition-timing-function: " + spring + "; }", 0);
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springStyle = window.getComputedStyle(div).getPropertyCSSValue("transition-timing-function");
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shouldBe("springStyle.cssText", "'" + expectedValue + "'");
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stylesheet.deleteRule(0);
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}
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debug("")
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debug("Valid spring tests");
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debug("")
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testComputedSpring("Basic", "spring(1 100 10 0)", "spring(1 100 10 0)");
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testComputedSpring("Negative Velocity", "spring(1 100 10 -10)", "spring(1 100 10 -10)");
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testComputedSpring("Positive Velocity", "spring(1 100 10 10)", "spring(1 100 10 10)");
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testComputedSpring("Zero Damping", "spring(1 100 0 10)", "spring(1 100 0 10)");
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testComputedSpring("Minimum Values", "spring(1 1 0 -999999)", "spring(1 1 0 -999999)");
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testComputedSpring("Floating Point Values", "spring(1.5 2.3 3.7 -1.8)", "spring(1.5 2.3 3.7 -1.8)");
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debug("")
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debug("Invalid spring tests");
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debug("")
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testComputedSpring("No parameters", "spring()", "ease");
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testComputedSpring("Not enough parameters", "spring(1 100 10)", "ease");
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testComputedSpring("Too many parameters", "spring(1 100 10 0 0)", "ease");
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testComputedSpring("Non-numeric parameters", "spring(a b c d)", "ease");
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testComputedSpring("Illegal Mass (< 0)", "spring(-1 100 10 0)", "ease");
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testComputedSpring("Illegal Mass (== 0)", "spring(0 100 10 0)", "ease");
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testComputedSpring("Illegal Stiffness (< 0)", "spring(1 -1 10 0)", "ease");
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testComputedSpring("Illegal Stiffness (== 0)", "spring(1 0 10 0)", "ease");
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testComputedSpring("Illegal Damping (< 0)", "spring(1 100 -1 0)", "ease");
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successfullyParsed = true;
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</script>
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2016-06-07 18:15:31 +00:00
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<script src="../resources/js-test-post.js"></script>
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