| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Testing @font-face descriptor values introduced in CSS Fonts level 4</title> |
| <link rel="help" href="https://www.w3.org/TR/css-fonts-4/#font-face-rule" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style id="testStyle"> |
| @font-face { font-family: Test; src: local('Courier New'), local('Courier'); } |
| </style> |
| </head> |
| <body> |
| <div>@font-face descriptor tests</div> |
| <script> |
| |
| function updateFontFaceRule(descriptorName, descriptorValue) { |
| let testRule = document.getElementById("testStyle").sheet.cssRules[0]; |
| |
| testRule.style.fontWeight = "normal"; |
| testRule.style.fontStyle = "normal"; |
| testRule.style.fontStretch = "normal"; |
| assert_equals(testRule.style.fontWeight, "normal", "Can't clear @font-face."); |
| assert_equals(testRule.style.fontStyle, "normal", "Can't clear @font-face."); |
| assert_equals(testRule.style.fontStretch, "normal", "Can't clear @font-face."); |
| |
| testRule.style.fontWeight = ""; |
| testRule.style.fontStyle = ""; |
| testRule.style.fontStretch = ""; |
| assert_true(!testRule.style.fontWeight, "", "Can't clear @font-face."); |
| assert_true(!testRule.style.fontStyle, "", "Can't clear @font-face."); |
| assert_true(!testRule.style.fontStretch, "", "Can't clear @font-face."); |
| |
| testRule.style[descriptorName] = descriptorValue; |
| |
| return testRule; |
| } |
| |
| function testDescriptor(descriptorName, testCases) { |
| var propertyName = { 'font-weight':'fontWeight', 'font-stretch':'fontStretch', 'font-style':'fontStyle' }[descriptorName]; |
| testCases.forEach(function (testCase) { |
| test(() => { |
| let rule = updateFontFaceRule(descriptorName, testCase.value); |
| |
| if (testCase.isValid) { |
| assert_not_equals(rule.style[propertyName], "", "Valid value should be accepted."); |
| |
| let expectedValue = (testCase.expectedValue) ? testCase.expectedValue : testCase.value; |
| assert_equals(rule.style[propertyName], expectedValue, "Unexpected resulting value."); |
| } |
| else { |
| assert_equals(rule.style[propertyName], "", "No properties should be set."); |
| } |
| }, descriptorName + (testCase.isValid ? "(valid): " : "(invalid): ") + testCase.description + ": " + testCase.value); |
| |
| }); |
| } |
| |
| testDescriptor("font-weight", [ |
| // Single value, keyword |
| { value: "normal", isValid: true, description: "'normal' keyword" }, |
| { value: "bold", isValid: true, description: "'bold' keyword" }, |
| { value: "lighter", isValid: false, description: "'lighter' keyword iside @font-face" }, |
| { value: "bolder", isValid: false, description: "'lighter' keyword iside @font-face" }, |
| { value: "bold a", isValid: false, description: "Extra content after keyword" }, |
| |
| // Single value, number |
| { value: "401", isValid: true, description: "Values that are not multiple of 100 should be parsed successfully" }, |
| { value: "400.1", isValid: true, description: "Non-integer values should be parsed successfully" }, |
| { value: "1", isValid: true, description: "Minimum allowed value should be parsed successfully" }, |
| { value: "0.999", isValid: false, description: "Values below minimum should be rejected" }, |
| { value: "-100", isValid: false, description: "Values below zero should be rejected" }, |
| { value: "1000", isValid: true, description: "Maximum allowed value should be parsed successfully" }, |
| { value: "1000.001", isValid: false, description: "Values above maximum should be rejected" }, |
| { value: "100 a", isValid: false, description: "Extra content after value" }, |
| |
| // Single value, calc |
| { value: "calc(100.5)", isValid: true, expectedValue: "100.5", description: "Simple calc value" }, |
| { value: "calc(1001)", isValid: true, description: "Out-of-range simple calc value (should be clamped)" }, |
| { value: "calc(100.5*3 + 50.5)", isValid: true, expectedValue: "352", description: "Valid calc expression" }, |
| { value: "calc(100.5*3 + 800)", isValid: true, description: "Valid calc expression with out-of-range value (should be clamped)" }, |
| { value: "calc(100.5px + 50.5px)", isValid: false, description: "Valid calc expression with units" }, |
| |
| // Value range |
| { value: "100 900", isValid: true, description: "Simple range" }, |
| { value: "500 500", isValid: true, expectedValue: "500", description: "Simple range with equal upper and lower bounds" }, |
| { value: "0.9 100", isValid: false, description: "Lower bound out of range" }, |
| { value: "100 1001", isValid: false, description: "Upper bound out of range" }, |
| { value: "calc(100 + 100) 400", isValid: true, expectedValue: "200 400", description: "Lower bound calc()" }, |
| { value: "200 calc(200 + 200)", isValid: true, expectedValue: "200 400", description: "Upper bound calc()" }, |
| { value: "calc(100 + 100) calc(200 + 200)", isValid: true, expectedValue: "200 400", description: "Both bounds are calc()" }, |
| { value: "400 200", isValid: true, expectedValue: "400 200", description: "Bounds out of order are valid" }, |
| { value: "100 200 300", isValid: false, description: "Extra content after upper bound" }, |
| ]); |
| |
| testDescriptor("font-stretch", [ |
| // Single value, keyword |
| { value: "ultra-condensed", isValid: true, description: "'ultra-condensed' keyword" }, |
| { value: "extra-condensed", isValid: true, description: "'extra-condensed' keyword" }, |
| { value: "condensed", isValid: true, description: "'condensed' keyword" }, |
| { value: "semi-condensed", isValid: true, description: "'semi-condensed' keyword" }, |
| { value: "normal", isValid: true, description: "'normal' keyword" }, |
| { value: "semi-expanded", isValid: true, description: "'semi-expanded' keyword" }, |
| { value: "expanded", isValid: true, description: "'expanded' keyword" }, |
| { value: "extra-expanded", isValid: true, description: "'extra-expanded' keyword" }, |
| { value: "ultra-expanded", isValid: true, description: "'ultra-expanded' keyword" }, |
| { value: "expanded a", isValid: false, description: "Extra content after value" }, |
| |
| // Single value, number |
| { value: "1%", isValid: true, description:"Legal percentage" }, |
| { value: "10.5%", isValid: true, description:"Legal percentage" }, |
| { value: "100%", isValid: true, description:"Legal percentage" }, |
| { value: "1000%", isValid: true, description:"Legal percentage" }, |
| { value: "100", isValid: false, description:"Only percentages, not numbers allowed" }, |
| { value: "-1%", isValid: false, description:"Negative values are illegal" }, |
| { value: "0%", isValid: true, description:"Zero is legal" }, |
| { value: "100% a", isValid: false, description:"Extra content after value" }, |
| |
| // Single value, calc |
| { value: "calc(200.5%)", isValid: true, expectedValue: "200.5%", description: "Simple calc value" }, |
| { value: "calc(50%*2 - 20%)", isValid: true, expectedValue: "80%", description: "Valid calc expression" }, |
| { value: "calc(-100%)", isValid: true, description: "Negative calc value (to be clamped)" }, |
| { value: "calc(50% - 50%*2)", isValid: true, expectedValue: "calc(-50%)", description: "Negative calc expression (to be clamped)" }, |
| { value: "calc(100)", isValid: false, description: "Unit-less calc value" }, |
| { value: "calc(100px)", isValid: false, description: "Calc value with units" }, |
| |
| // Value range |
| { value: "100% 200%", isValid: true, description: "Simple range" }, |
| { value: "100% 100%", isValid: true, expectedValue: "100%", description: "Simple range with equal upper and lower bounds" }, |
| { value: "-100% 100%", isValid: false, description: "Lower bound out of range" }, |
| { value: "calc(10% + 10%) 30%", isValid: true, expectedValue: "20% 30%", description: "Lower bound calc()" }, |
| { value: "10% calc(10% + 10%)", isValid: true, expectedValue: "10% 20%", description: "Upper bound calc()" }, |
| { value: "calc(10% + 10%) calc(20% + 20%)", isValid: true, expectedValue: "20% 40%", description: "Both bounds are calc()" }, |
| { value: "200% 100%", isValid: true, expectedValue: "200% 100%", description: "Bounds out of order" }, |
| { value: "100% 200% 300%", isValid: false, description: "Extra content after upper bound" }, |
| ]); |
| |
| testDescriptor("font-style", [ |
| // Single value, keyword |
| { value: "normal", isValid: true, description: "'normal' keyword" }, |
| { value: "italic", isValid: true, description: "'italic' keyword" }, |
| { value: "oblique", isValid: true, description: "'oblique' keyword" }, |
| |
| // Single value |
| { value: "italic 20deg", isValid: false, description: "'italic' followed by angle" }, |
| { value: "italic a", isValid: false, description: "Extra content after keyword" }, |
| { value: "oblique 0deg", isValid: true, description: "'oblique' followed by zero degrees" }, |
| { value: "oblique 20deg", isValid: true, expectedValue: "oblique", description: "'oblique' followed by default 20deg angle" }, |
| { value: "oblique 90deg", isValid: true, description: "'oblique' followed by maxumum 90 degree angle" }, |
| { value: "oblique -90deg", isValid: true, description: "'oblique' followed by minimum -90 degree angle" }, |
| { value: "oblique calc(91deg)", isValid: true, expectedValue: "oblique 90deg", description: "'oblique' followed by calc with out of range value (should be clamped)" }, |
| { value: "oblique calc(-91deg)", isValid: true, expectedValue: "oblique -90deg", description: "'oblique' followed by calc with out of range value (should be clamped)" }, |
| { value: "oblique 0rad", isValid: true, expectedValue: "oblique 0deg", description: "'oblique' followed by angle in radians" }, |
| { value: "oblique 20", isValid: false, description: "'oblique' followed by unit-less number" }, |
| { value: "oblique 20px", isValid: false, description: "'oblique' followed by non-angle" }, |
| { value: "oblique a", isValid: false, description: "'oblique' followed by non-number" }, |
| { value: "oblique -", isValid: false, description: "'oblique' followed by isolated minus" }, |
| { value: "oblique - 20deg", isValid: false, description: "'oblique' followed by minus and angle separated by space" }, |
| { value: "oblique -a", isValid: false, description: "'oblique' followed by minus and non-number" }, |
| |
| // Value range |
| { value: "oblique 10deg 20deg", isValid: true, description: "Simple range" }, |
| { value: "oblique 10deg 10deg", isValid: true, expectedValue: "oblique 10deg", description: "Simple range with equal upper and lower bounds" }, |
| { value: "oblique 20deg 20deg", isValid: true, expectedValue: "oblique", description: "Simple range with default angle for both bounds" }, |
| { value: "oblique 20deg 10deg", isValid: true, expectedValue: "oblique 20deg 10deg", description: "Bounds out of order" }, |
| { value: "oblique -100deg 20deg", isValid: false, description: "Lower bound out of range" }, |
| { value: "oblique 20deg 100deg", isValid: false, description: "Upper bound out of range" }, |
| { value: "oblique 10deg 20deg 30deg", isValid: false, description: "Extra content after upper bound" }, |
| ]); |
| </script> |
| </body> |
| </html> |
