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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-values/calc-background-position-002.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-values/calc-background-position-002.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-values/calc-background-position-002.html | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-values/calc-background-position-002.html b/testing/web-platform/tests/css/css-values/calc-background-position-002.html new file mode 100644 index 0000000000..249cdc3d5e --- /dev/null +++ b/testing/web-platform/tests/css/css-values/calc-background-position-002.html @@ -0,0 +1,77 @@ +<!DOCTYPE html> + + <meta charset="UTF-8"> + + <title>CSS Values and Units Test: computed value of 'background-position' when specified with calc() function</title> + + <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"> + + <meta content="This test verifies how 6 calc() functions are computed for 'background-position'." name="assert"> + + <script src="/resources/testharness.js"></script> + + <script src="/resources/testharnessreport.js"></script> + + <div id="target"></div> + + <script> + function startTesting() + { + + var targetElement = document.getElementById("target"); + + function verifyComputedStyle(property_name, initial_value, specified_value, expected_value, description) + { + + test(function() + { + + targetElement.style.setProperty(property_name, initial_value); + + /* + The purpose of the initial_value is to act as a fallback + value in case the calc() function in the specified value + fails or in case it 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. + */ + + targetElement.style.setProperty(property_name, specified_value); + + assert_equals(getComputedStyle(targetElement)[property_name], expected_value); + + }, description); + } + + /* verifyComputedStyle(property_name, initial_value, specified_value, expected_value, description) */ + + verifyComputedStyle("background-position", "initial", "calc(2px + 3px) calc(4px + 5px)", "5px 9px", "testing background-position: calc(2px + 3px) calc(4px + 5px)"); + + verifyComputedStyle("background-position", "initial", "calc(18px - 7px) calc(19px - 7px)", "11px 12px", "testing background-position: calc(18px - 7px) calc(19px - 7px)"); + + verifyComputedStyle("background-position", "initial", "calc(4 * 5px) calc(6px * 4)", "20px 24px", "testing background-position: calc(4 * 5px) calc(6px * 4)"); + + verifyComputedStyle("background-position", "initial", "calc(100px / 4) calc(119px / 7)", "25px 17px", "testing background-position: calc(100px / 4) calc(119px / 7)"); + + verifyComputedStyle("background-position", "initial", "calc(6px + 21%) calc(7em + 22%)", "calc(21% + 6px) calc(22% + 112px)", "testing background-position: calc(6px + 21%) calc(7em + 22%)"); + + /* + " + (...) background-position has layout-dependent behavior for + percentage values, and thus does not resolve percentages + until used-value time. Due to this, background-position + computation preserves the percentage in a calc(). (...) + " + https://www.w3.org/TR/css-values-3/#calc-computed-value + */ + + verifyComputedStyle("background-position", "initial", "calc(-8px + 23%) calc(-9em + 24%)", "calc(23% - 8px) calc(24% - 144px)", "testing background-position: calc(-8px + 23%) calc(-9em + 24%)"); + + /* verifyComputedStyle(property_name, initial_value, specified_value, expected_value, description) */ + } + + startTesting(); + + </script> |