| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script src="resources/profile-utils.js"></script> |
| </head> |
| <body> |
| <script> |
| promise_test(async t => { |
| const profiler = await performance.profile({ |
| sampleInterval: 10, |
| maxBufferSize: 2, |
| }); |
| |
| // Force 10 samples with a max buffer size of 2. |
| for (let i = 0; i < 10; i++) { |
| ProfileUtils.forceSample(); |
| } |
| |
| const trace = await profiler.stop(); |
| assert_equals(trace.samples.length, 2); |
| }, 'max buffer size is not exceeded'); |
| </script> |
| </body> |
| </html> |
