| <!DOCTYPE html> |
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| <meta charset="UTF-8"> |
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| <title>CSS Values and Units Test: computed value of 'letter-spacing' when specified with calc() function</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/letter-spacing.html |
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| --> |
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| <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> |
| <link rel="help" href="https://www.w3.org/TR/css3-values/#calc-computed-value"> |
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| <meta name="flags" content="invalid"> |
| <meta content="This test verifies how 6 calc() functions are computed for 'letter-spacing'." 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="target"></div> |
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| <script> |
| function startTesting() |
| { |
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| function verifyComputedStyle(property_name, initial_value, specified_value, expected_value, description) |
| { |
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| var elemTarget = document.getElementById("target"); |
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| test(function() |
| { |
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| elemTarget.style.setProperty(property_name, initial_value); |
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| /* |
| In exactly 5 out of the 6 sub-tests, the initial_value will |
| act as a fallback value because the calc() function in the |
| specified value generates an invalid value. Since we are |
| running 6 consecutive tests on the same element, then |
| it is necessary to 'reset' its property to an initial |
| value. |
| */ |
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| elemTarget.style.setProperty(property_name, specified_value); |
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| assert_equals(getComputedStyle(elemTarget)[property_name], expected_value, specified_value + ' should compute to ' + expected_value); |
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| }, description); |
| } |
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| /* verifyComputedStyle(property_name, initial_value, specified_value, expected_value, description) */ |
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| verifyComputedStyle("letter-spacing", "20px", "calc(1 + 1px)", "20px", "testing letter-spacing: calc(1 + 1px)"); |
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| verifyComputedStyle("letter-spacing", "20px", "calc(1 + 100%)", "20px", "testing letter-spacing: calc(1 + 100%)"); |
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| verifyComputedStyle("letter-spacing", "20px", "calc(100%)", "20px", "testing letter-spacing: calc(100%)"); |
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| verifyComputedStyle("letter-spacing", "20px", "calc(10px) bla", "20px", "testing letter-spacing: calc(10px) bla"); |
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| verifyComputedStyle("letter-spacing", "20px", "calc(bla) 10px", "20px", "testing letter-spacing: calc(bla) 10px"); |
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| verifyComputedStyle("letter-spacing", "initial", "calc(10px)", "10px", "testing letter-spacing: calc(10px)"); |
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| } |
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| startTesting(); |
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| </script> |
