| Yoav Weiss | 79001b1 | 2018-12-12 17:16:56 | [diff] [blame] | 1 | <!DOCTYPE HTML> |
| 2 | <html> |
| 3 | <head onload> |
| 4 | <meta charset="utf-8" /> |
| 5 | <title>This test validates the buffer doesn't contain more entries than it should inside onresourcetimingbufferfull callback.</title> |
| 6 | <link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/> |
| 7 | <script src="/resources/testharness.js"></script> |
| 8 | <script src="/resources/testharnessreport.js"></script> |
| 9 | <script src="resources/buffer-full-utilities.js"></script> |
| 10 | </head> |
| 11 | <body> |
| 12 | <script> |
| 13 | let resource_timing_buffer_size = 2; |
| 14 | let eventFired = false; |
| 15 | |
| 16 | setup(() => { |
| 17 | clearBufferAndSetSize(resource_timing_buffer_size); |
| 18 | var resize = function() { |
| 19 | assert_equals(performance.getEntriesByType("resource").length, resource_timing_buffer_size, "resource timing buffer in resourcetimingbufferfull is the size of the limit"); |
| 20 | ++resource_timing_buffer_size; |
| 21 | performance.setResourceTimingBufferSize(resource_timing_buffer_size); |
| 22 | xhrScript("resources/empty.js?xhr"); |
| 23 | assert_equals(performance.getEntriesByType("resource").length, resource_timing_buffer_size - 1, "A sync request was not added to the primary buffer just yet, because it is full"); |
| 24 | ++resource_timing_buffer_size; |
| 25 | performance.setResourceTimingBufferSize(resource_timing_buffer_size); |
| 26 | eventFired = true; |
| 27 | } |
| 28 | performance.addEventListener('resourcetimingbufferfull', resize); |
| 29 | }); |
| 30 | |
| 31 | let overflowTheBuffer = () => { |
| 32 | return new Promise(resolve => { |
| 33 | // This resource overflows the entry buffer, and goes into the secondary buffer. |
| 34 | appendScript('resources/empty_script.js', resolve); |
| 35 | }); |
| 36 | }; |
| 37 | |
| 38 | let testThatBufferContainsTheRightResources = () => { |
| 39 | let entries = performance.getEntriesByType('resource'); |
| 40 | assert_equals(entries.length, resource_timing_buffer_size, |
| 41 | 'All 4 entries should be stored in resource timing buffer.'); |
| 42 | assert_true(entries[0].name.includes('empty.js'), "empty.js is in the entries buffer"); |
| 43 | assert_true(entries[1].name.includes('empty.js?second'), "empty.js?second is in the entries buffer"); |
| 44 | assert_true(entries[2].name.includes('empty_script.js'), "empty_script.js is in the entries buffer"); |
| 45 | assert_true(entries[3].name.includes('empty.js?xhr'), "empty.js?xhr is in the entries buffer"); |
| 46 | }; |
| 47 | |
| 48 | promise_test(async () => { |
| 49 | await fillUpTheBufferWithTwoResources('resources/empty.js'); |
| 50 | await overflowTheBuffer(); |
| 51 | await waitForEventToFire(); |
| 52 | testThatBufferContainsTheRightResources(); |
| 53 | }, "Test that entries in the secondary buffer are not exposed during the callback and before they are copied to the primary buffer"); |
| 54 | </script> |
| 55 | </body> |
| 56 | </html> |
