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Diffstat (limited to 'testing/web-platform/tests/reporting/bufferSize.html')
| -rw-r--r-- | testing/web-platform/tests/reporting/bufferSize.html | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/testing/web-platform/tests/reporting/bufferSize.html b/testing/web-platform/tests/reporting/bufferSize.html new file mode 100644 index 0000000000..0e50526772 --- /dev/null +++ b/testing/web-platform/tests/reporting/bufferSize.html @@ -0,0 +1,27 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>Reporting: Buffer size</title> +<link rel="author" title="Paul Meyer" href="paulmeyer@chromium.org"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/resources/testdriver.js"></script> +<script src="/resources/testdriver-vendor.js"></script> +<script> + // Test the buffer size (100) of ReportingObserver. + promise_test(async function(test) { + for (let i = 0; i != 110; ++i) + await test_driver.generate_test_report("" + i); + + let reports = await new Promise(resolve => { + let observer = new ReportingObserver(resolve, {buffered:true}); + observer.observe(); + }); + + // Only (the most recent) 100 reports should be observed, even though + // 110 were buffered. + assert_equals(reports.length, 100); + for (let i = 0; i != 100; ++i) { + assert_equals(reports[i].body.message, "" + (i + 10)); + } + }, "Buffer size"); +</script> |