| <!DOCTYPE html> |
| <html> |
| <head> |
| This tests that 'performance.measure' throws exceptions with reasonable messages. |
| </head> |
| <body> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| window.performance.clearMarks(); |
| window.performance.clearMeasures(); |
| |
| window.performance.mark('mark'); |
| |
| const eventMarks = [ |
| 'unloadEventStart', |
| 'unloadEventEnd', |
| 'redirectStart', |
| 'redirectEnd', |
| 'secureConnectionStart', |
| 'domInteractive', |
| 'domContentLoadedEventStart', |
| 'domContentLoadedEventEnd', |
| 'domComplete', |
| 'loadEventStart', |
| 'loadEventEnd', |
| ]; |
| eventMarks.forEach(function(name) { |
| test(()=>{ |
| assert_throws("InvalidAccessError", ()=>{ |
| window.performance.measure("measuring", name, "mark"); |
| }, "Should throw"); |
| }, `Passing '${name}' as a mark to measure API should cause error when the mark is empty.`); |
| }); |
| |
| const args = [ |
| 51.15, // Verify that number is parsed as string, not number. |
| "DoesNotExist", // Non-existant mark name should cause error. |
| ]; |
| args.forEach(each => { |
| test(()=>{ |
| assert_throws("SyntaxError", ()=>{ |
| window.performance.measure("measuring", each, "mark"); |
| }, "Should throw"); |
| }, `Passing ${each} as a mark to measure API should cause error.`); |
| }); |
| </script> |
| </body> |
| </html> |
