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<!DOCTYPE html>
<meta charset="UTF-8">
<title>CSS Values and Units Test: calc() function with time values</title>
<!--
Original test is:
https://chromium.googlesource.com/chromium/src/+/c825d655f6aaf73484f9d56e9012793f5b9668cc/third_party/WebKit/LayoutTests/css3/calc/calc-with-time-angle-and-frequency-values.html
Issue 917718: [css-values] calc-with-time-angle-and-frequency-values
test is highly unreliable, transition-delay testing causes side effects
https://bugs.chromium.org/p/chromium/issues/detail?id=917718
-->
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
<link rel="help" href="https://www.w3.org/TR/css-values-3/#calc-computed-value">
<link rel="help" href="https://www.w3.org/TR/css-values-3/#time">
<meta content="This test checks that additions, substractions, multiplications and divisions in calc() function when applied to time units." name="assert">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<div id="target"></div>
<script>
function startTesting()
{
var targetElement = document.getElementById("target");
function compareValue(property_name, calcValue, expectedValue, description)
{
test(function()
{
targetElement.style.setProperty(property_name, "inherit");
/*
Since we are running many consecutive tests on the same
element, then it is necessary to 'reset' its property
to an initial value before actually re-testing it.
*/
targetElement.style.setProperty(property_name, calcValue);
var computedCalcValue = getComputedStyle(targetElement)[property_name];
targetElement.style.setProperty(property_name, expectedValue);
var computedExpectedValue = getComputedStyle(targetElement)[property_name];
assert_equals(computedCalcValue, computedExpectedValue);
}, description);
}
/* Testing time units */
/* compareValue(property_name, calcValue, expectedValue, description) */
compareValue("transition-delay", "calc(4s + 1s)", "5s", "addition of 2 time units: s plus s");
compareValue("transition-delay", "calc(4s + 1ms)", "4.001s", "addition of 2 time units: s plus ms");
compareValue("transition-delay", "calc(4ms + 1ms)", "0.005s", "addition of 2 time units: ms plus ms");
compareValue("transition-delay", "calc(4s - 1s)", "3s", "substraction of time unit: s minus s");
compareValue("transition-delay", "calc(4s - 1ms)", "3.999s", "substraction of time unit: s minus ms");
compareValue("transition-delay", "calc(4 * 1s)", "4s", "multiplication of integer with a time unit: int multiplied by s");
compareValue("transition-delay", "calc(4 * 1ms)", "0.004s", "multiplication of integer with a time unit: int multiplied by ms");
compareValue("transition-delay", "calc(4s / 2)", "2s", "division of time unit with integer: s divided by int");
compareValue("transition-delay", "calc(4ms / 2)", "0.002s", "division of time unit with integer: ms divided by int");
/* compareValue(property_name, calcValue, expectedValue, description) */
/* Testing conversion of time unit */
/* compareValue(property_name, calcValue, expectedValue, description) */
compareValue("transition-delay", "calc(4000ms)", "4s", "conversion of time unit: ms into s");
}
startTesting();
</script>
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