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Update web-platform-tests to revision 5852f617c1ad109939bdb6b70f362dcd84a5cb73
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<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>CSS Values and Units Test: calc() function with angle values</title>
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<!--
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Original test is:
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https://chromium.googlesource.com/chromium/src/+/c825d655f6aaf73484f9d56e9012793f5b9668cc/third_party/WebKit/LayoutTests/css3/calc/calc-with-time-angle-and-frequency-values.html
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Issue 917718: [css-values] calc-with-time-angle-and-frequency-values
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test is highly unreliable, transition-delay testing causes side effects
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https://bugs.chromium.org/p/chromium/issues/detail?id=917718
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-->
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<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
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<link rel="help" href="https://www.w3.org/TR/css-values-3/#calc-computed-value">
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<link rel="help" href="https://www.w3.org/TR/css-values-3/#angles">
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<meta content="This test checks that additions, substractions, multiplications and divisions in calc() function when applied to angle units." name="assert">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<div id="target"></div>
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<script>
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function startTesting()
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{
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var targetElement = document.getElementById("target");
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function compareValueCloseTo(property_name, calcValue, epsilon, expectedValue, description)
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{
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test(function()
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{
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targetElement.style.setProperty(property_name, "initial");
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/*
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Since we are running many consecutive tests on the same
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element, then it is necessary to reset its property
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to an initial value before actually re-testing it.
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*/
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targetElement.style.setProperty(property_name, calcValue);
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var computedCalcValue = getComputedStyle(targetElement)[property_name];
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/*
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We first strip out the word "matrix" with the
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opening parenthesis "(" and the closing
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parenthesis ")"
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*/
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computedCalcValue = computedCalcValue.replace("matrix(", "").replace(")", "");
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/*
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Then, we split the string at each comma ","
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and store the resulting 6 sub-strings into
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tableSplitComputedCalcValue
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*/
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var tableSplitCalcValue = computedCalcValue.split(",");
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/*
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We convert the 6 sub-strings into numerical floating values
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so that mathematical operations (substraction, absolute value,
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comparison) can be performed.
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*/
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tableSplitCalcValue[0] = parseFloat(tableSplitCalcValue[0]);
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tableSplitCalcValue[1] = parseFloat(tableSplitCalcValue[1]);
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tableSplitCalcValue[2] = parseFloat(tableSplitCalcValue[2]);
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tableSplitCalcValue[3] = parseFloat(tableSplitCalcValue[3]);
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tableSplitCalcValue[4] = parseFloat(tableSplitCalcValue[4]);
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tableSplitCalcValue[5] = parseFloat(tableSplitCalcValue[5]);
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/*
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Now, we execute the same steps with the expectedValue
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*/
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targetElement.style.setProperty(property_name, expectedValue);
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var computedExpectedValue = getComputedStyle(targetElement)[property_name];
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/*
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We first strip out the word "matrix" with the
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opening parenthesis "(" and the closing
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parenthesis ")"
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*/
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computedExpectedValue = computedExpectedValue.replace("matrix(", "").replace(")", "");
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/*
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Then, we split the string at each comma ","
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and store the resulting 6 sub-strings into
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tableSplitComputedCalcValue
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*/
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var tableSplitExpectedValue = computedExpectedValue.split(",");
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/*
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We convert the 6 sub-strings into numerical floating values
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so that mathematical operations (substraction, absolute value,
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comparison) can be performed.
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*/
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tableSplitExpectedValue[0] = parseFloat(tableSplitExpectedValue[0]);
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tableSplitExpectedValue[1] = parseFloat(tableSplitExpectedValue[1]);
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tableSplitExpectedValue[2] = parseFloat(tableSplitExpectedValue[2]);
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tableSplitExpectedValue[3] = parseFloat(tableSplitExpectedValue[3]);
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tableSplitExpectedValue[4] = parseFloat(tableSplitExpectedValue[4]);
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tableSplitExpectedValue[5] = parseFloat(tableSplitExpectedValue[5]);
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assert_array_approx_equals(tableSplitCalcValue, tableSplitExpectedValue, epsilon);
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/*
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In this mega-test of 27 sub-tests, we intentionally
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set the tolerance precision (epsilon) to a rather big
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value (0.0001 === 100 millionths). The reason for this
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is we want to verify if browsers and CSS-capable
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applications do the right calculations. We do not want
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to penalize browsers and CSS-capable applications that
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have modest precision (not capable of a 1 millionth
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level precision).
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*/
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} , description);
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}
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/*
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deg
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Degrees. There are 360 degrees in a full circle.
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grad
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Gradians, also known as "gons" or "grades". There are 400 gradians in a full circle.
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rad
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Radians. There are 2π radians in a full circle.
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1rad == 57.295779513°
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https://www.rapidtables.com/convert/number/radians-to-degrees.html
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π == Math.PI == 3.141592653589793
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turn
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Turns. There is 1 turn in a full circle.
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*/
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/* Addition of angle units */
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/* compareValueCloseTo(property_name, calcValue, epsilon, expectedValue, description) */
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compareValueCloseTo("transform", "rotate(calc(45deg + 45deg))", 0.0001, "rotate(90deg)", "addition of 2 angle units: deg plus deg");
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compareValueCloseTo("transform", "rotate(calc(45deg + 1rad))", 0.0001, "rotate(102.29578deg)", "addition of 2 angle units: deg plus rad");
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/*
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1 radian == 57.295779513 degrees
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The original test was using the slightly imprecise rotate(102.3deg)
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*/
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compareValueCloseTo("transform", "rotate(calc(20deg + 200grad))", 0.0001, "rotate(200deg)", "addition of 2 angle units: deg plus grad");
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compareValueCloseTo("transform", "rotate(calc(200deg + 0.5turn))", 0.0001, "rotate(380deg)", "addition of 2 angle units: deg plus turn");
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compareValueCloseTo("transform", "rotate(calc(45rad + 45rad))", 0.0001, "rotate(90rad)", "addition of 2 angle units: rad plus rad");
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compareValueCloseTo("transform", "rotate(calc(1rad + 40grad))", 0.0001, "rotate(93.29578deg)", "addition of 2 angle units: rad plus grad");
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/*
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1 radian == 57.295779513 degrees; 40 gradians is 36 degrees.
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*/
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compareValueCloseTo("transform", "rotate(calc(1rad + 0.5turn))", 0.0001, "rotate(237.29578deg)", "addition of 2 angle units: rad plus turn");
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compareValueCloseTo("transform", "rotate(calc(45grad + 45grad))", 0.0001, "rotate(90grad)", "addition of 2 angle units: grad plus grad");
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compareValueCloseTo("transform", "rotate(calc(10grad + 0.5turn))", 0.0001, "rotate(189deg)", "addition of 2 angle units: grad plus turn");
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/*
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10 gradians is 9 degrees.
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*/
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/* compareValueCloseTo(property_name, calcValue, epsilon, expectedValue, description) */
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/* Substraction of angle unit */
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/* compareValueCloseTo(property_name, calcValue, epsilon, expectedValue, description) */
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compareValueCloseTo("transform", "rotate(calc(45deg - 15deg))", 0.0001, "rotate(30deg)", "substraction of angle unit: deg minus deg");
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compareValueCloseTo("transform", "rotate(calc(90deg - 1rad))", 0.0001, "rotate(32.70422deg)", "substraction of angle unit: deg minus rad");
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/*
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1 radian == 57.295779513 degrees
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*/
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compareValueCloseTo("transform", "rotate(calc(38deg - 20grad))", 0.0001, "rotate(20deg)", "substraction of angle unit: deg minus grad");
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compareValueCloseTo("transform", "rotate(calc(360deg - 0.5turn))", 0.0001, "rotate(180deg)", "substraction of angle unit: deg minus turn");
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compareValueCloseTo("transform", "rotate(calc(45rad - 15rad))", 0.0001, "rotate(30rad)", "substraction of angle unit: rad minus rad");
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compareValueCloseTo("transform", "rotate(calc(30rad - 10grad))", 0.0001, "rotate(1709.87339deg)", "substraction of angle unit: rad minus grad");
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/*
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30 radians is 1718.8733854 degrees ; 10 gradians is 9 degrees.
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*/
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compareValueCloseTo("transform", "rotate(calc(4rad - 0.1turn))", 0.0001, "rotate(193.18312deg)", "substraction of angle unit: rad minus turn");
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/*
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4 radians is 229.183118052 degrees ; 0.1 turn is 36 degrees.
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*/
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compareValueCloseTo("transform", "rotate(calc(45grad - 15grad))", 0.0001, "rotate(30grad)", "substraction of angle unit: grad minus grad");
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compareValueCloseTo("transform", "rotate(calc(100grad - 0.25turn))", 0.0001, "rotate(0deg)", "substraction of angle unit: grad minus turn");
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/* Multiplication of angle unit */
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/* compareValueCloseTo(property_name, calcValue, epsilon, expectedValue, description) */
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compareValueCloseTo("transform", "rotate(calc(45deg * 2))", 0.0001, "rotate(90deg)", "multiplication of angle unit: deg multiplied by int");
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compareValueCloseTo("transform", "rotate(calc(2 * 45rad))", 0.0001, "rotate(90rad)", "multiplication of angle unit: int multiplied by rad");
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compareValueCloseTo("transform", "rotate(calc(45grad * 2))", 0.0001, "rotate(90grad)", "multiplication of angle unit: grad multiplied by int");
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compareValueCloseTo("transform", "rotate(calc(2 * 45turn))", 0.0001, "rotate(90turn)", "multiplication of angle unit: int multiplied by turn");
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/* Division of angle unit */
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/* compareValueCloseTo(property_name, calcValue, epsilon, expectedValue, description) */
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compareValueCloseTo("transform", "rotate(calc(90deg / 2))", 0.0001, "rotate(45deg)", "division of angle unit: deg divided by int");
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compareValueCloseTo("transform", "rotate(calc(90rad / 2))", 0.0001, "rotate(45rad)", "division of angle unit: rad divided by int");
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compareValueCloseTo("transform", "rotate(calc(90grad / 2))", 0.0001, "rotate(45grad)", "division of angle unit: grad divided by int");
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compareValueCloseTo("transform", "rotate(calc(90turn / 2))", 0.0001, "rotate(45turn)", "division of angle unit: turn divided by int");
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/* compareValueCloseTo(property_name, calcValue, epsilon, expectedValue, description) */
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/*
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deg
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Degrees. There are 360 degrees in a full circle.
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grad
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Gradians, also known as "gons" or "grades". There are 400 gradians in a full circle.
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rad
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Radians. There are 2π radians in a full circle.
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1rad == 57.295779513°
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https://www.rapidtables.com/convert/number/radians-to-degrees.html
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π == Math.PI == 3.141592653589793
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turn
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Turns. There is 1 turn in a full circle.
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*/
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/* Testing conversion of angle unit */
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/* compareValueCloseTo(property_name, calcValue, epsilon, expectedValue, description) */
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compareValueCloseTo("transform", "rotate(calc(50grad)", 0.0001, "rotate(45deg)", "conversion of angle unit: grad into deg");
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}
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startTesting();
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</script>
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