| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Testing the parsing of the font-variation-settings property</title> |
| <link rel="help" href="https://www.w3.org/TR/css-fonts-4/#propdef-font-variation-settings" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <div id="value-parser-test"></div> |
| <script> |
| |
| var valueParserTests = [ |
| { value: "'wght' 1000, '9 ~A' -45", expectedComputedValue: "\"wght\" 1000, \"9 ~A\" -45", isValid: true, message: "Axis tag with valid non-letter ascii characters" }, |
| { value: "'\u001Fbdc' 123", expectedComputedValue: "", isValid: false, message: "Invalid character below allowed range (first char)"}, |
| { value: "'abc\u007F' 123", expectedComputedValue: "", isValid: false, message: "Invalid character above allowed range (mid char)"}, |
| { value: "'wght' 1e3, 'slnt' -450.0e-1 ", expectedComputedValue: "\"wght\" 1000, \"slnt\" -45", isValid: true, message: "Axis values in scientific form are valid" }, |
| { value: "normal", expectedComputedValue: "normal", isValid: true, message: "'normal' value is valid" }, |
| { value: "'a' 1234", expectedComputedValue: "", isValid: false, message: "Tag with less than 4 characters is invalid"}, |
| { value: "'abcde' 1234", expectedComputedValue: "", isValid: false, message: "Tag with more than 4 characters is invalid"}, |
| { value: "'wght' 200, ", expectedComputedValue: "", isValid: false, message: "Trailing comma is invalid"}, |
| { value: "abcd 123", expectedComputedValue: "", isValid: false, message: "Unquoted tags are invalid"}, |
| { value: "'abcd\" 123", expectedComputedValue: "", isValid: false, message: "Unmatched quotes around tag are invalid" }, |
| { value: "'abcd'", expectedComputedValue: "", isValid: false, message: "Tag without value isinvalid"}, |
| { value: "123", expectedComputedValue: "", isValid: false, message: "Value without tag is invalid"}, |
| { value: "123 'abcd'", expectedComputedValue: "", isValid: false, message: "Value before tag is invalid"}, |
| { value: "'wght' 200 'abcd' 400", expectedComputedValue: "", isValid: false, message: "Missing comma between axes is invalid"}, |
| { value: "'wght' calc(100 + 200)", expectedComputedValue: "\"wght\" 300", isValid: true, message: "Calculations should be supported" }, |
| { value: "'wght' 100px", expectedComputedValue: "", isValid: false, message: "Units should not be supported" }, |
| { value: "'wght' calc(100px + 200px)", expectedComputedValue: "", isValid: false, message: "Units should not be supported (in calc)" }, |
| { value: "'wght' 42%", expectedComputedValue: "", isValid: false, message: "Percentages should not be supported" }, |
| { value: "'wght' calc(100%)", expectedComputedValue: "", isValid: false, message: "Percentages should not be supported (in calc)" }, |
| ]; |
| |
| valueParserTests.forEach(function (testCase) { |
| test(() => { |
| var element = document.getElementById("value-parser-test"); |
| // Reset to empty in order for testing to continue in case the next test would not parse as valid |
| element.style.fontVariationSettings = ""; |
| element.style.fontVariationSettings = testCase.value; |
| var computed = window.getComputedStyle(element).fontVariationSettings; |
| if (testCase.isValid) { |
| assert_equals(computed, testCase.expectedComputedValue, testCase.message); |
| } |
| else { |
| assert_equals(computed, "normal", testCase.message); |
| } |
| |
| element.style.fontVariationSettings = ""; |
| }, "Property value: " + testCase.message); |
| }); |
| |
| valueParserTests.forEach(function (testCase) { |
| test(() => { assert_equals(window.CSS.supports("font-variation-settings", testCase.value), testCase.isValid, testCase.message); }, "@supports: " + testCase.message); |
| }); |
| |
| </script> |
| </body> |
| </html> |
