| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../http/tests/inspector/resources/inspector-test.js"></script> |
| <style> |
| #foo { |
| --a: blue; |
| --b: green; |
| } |
| </style> |
| <script> |
| function test() { |
| let suite = InspectorTest.createSyncSuite("WI.CSSStyleDeclaration.prototype.resolveVariableValue"); |
| |
| let computedStyle = null; |
| |
| function addTest({name, expression, expected}) { |
| suite.addTestCase({ |
| name, |
| test() { |
| InspectorTest.expectEqual(computedStyle.resolveVariableValue(expression), expected, `"${expression}" should resolve to ${JSON.stringify(expected)}.`); |
| }, |
| }) |
| } |
| addTest({ |
| name: "NotVariable", |
| expression: "red", |
| expected: null, |
| }); |
| addTest({ |
| name: "EmptyVariable", |
| expression: "var()", |
| expected: null, |
| }); |
| addTest({ |
| name: "InvalidVariable", |
| expression: "var(invalid)", |
| expected: null, |
| }); |
| addTest({ |
| name: "NonExistentVariable", |
| expression: "var(--DNE)", |
| expected: null, |
| }); |
| addTest({ |
| name: "ValidVariable", |
| expression: "var(--a)", |
| expected: "blue", |
| }); |
| addTest({ |
| name: "InvalidFallbackValue", |
| expression: "var(--DNE, )", |
| expected: null, |
| }); |
| addTest({ |
| name: "ValidFallbackValue", |
| expression: "var(--DNE, red)", |
| expected: "red", |
| }); |
| addTest({ |
| name: "InvalidFallbackVariable", |
| expression: "var(--DNE, var(--DNE))", |
| expected: null, |
| }); |
| addTest({ |
| name: "ValidFallbackVariable", |
| expression: "var(--DNE, var(--b, red))", |
| expected: "green", |
| }); |
| addTest({ |
| name: "ValidVariableWithInvalidFallbackValue", |
| expression: "var(--a, )", |
| expected: "blue", |
| }); |
| addTest({ |
| name: "ValidVariableWithValidFallbackValue", |
| expression: "var(--a, red)", |
| expected: "blue", |
| }); |
| addTest({ |
| name: "ValidVariableWithInvalidFallbackVariable", |
| expression: "var(--a, var(--DNE))", |
| expected: "blue", |
| }); |
| addTest({ |
| name: "ValidVariableWithValidFallbackVariable", |
| expression: "var(--a, var(--b))", |
| expected: "blue", |
| }); |
| |
| |
| WI.domManager.requestDocument((documentNode) => { |
| documentNode.querySelector("#foo", (contentNodeId) => { |
| if (!contentNodeId) { |
| InspectorTest.fail("DOM node not found."); |
| InspectorTest.completeTest(); |
| return; |
| } |
| |
| let domNode = WI.domManager.nodeForId(contentNodeId); |
| nodeStyles = WI.cssManager.stylesForNode(domNode); |
| |
| if (nodeStyles.needsRefresh) { |
| nodeStyles.singleFireEventListener(WI.DOMNodeStyles.Event.Refreshed, (event) => { |
| computedStyle = nodeStyles.computedStyle; |
| suite.runTestCasesAndFinish(); |
| }); |
| return; |
| } |
| |
| computedStyle = nodeStyles.computedStyle; |
| suite.runTestCasesAndFinish(); |
| }); |
| }); |
| } |
| </script> |
| </head> |
| <body onload="runTest()"> |
| <p>Test that WI.CSSStyleDeclaration.prototype.resolveVariableValue works as expected.</p> |
| <div id="foo"></div> |
| </body> |
| </html> |
