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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /tools/profiler/tests/browser/do_work_500ms.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/profiler/tests/browser/do_work_500ms.html')
| -rw-r--r-- | tools/profiler/tests/browser/do_work_500ms.html | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/profiler/tests/browser/do_work_500ms.html b/tools/profiler/tests/browser/do_work_500ms.html new file mode 100644 index 0000000000..9713a80671 --- /dev/null +++ b/tools/profiler/tests/browser/do_work_500ms.html @@ -0,0 +1,41 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="utf-8"> + <title>Do some work for 500ms</title> + <script> + const milliseconds = 500; + const millisecondsPerBatch = 10; + const end = Date.now() + milliseconds; + window.total = 0; + let i = 0; + + /** + * Do work for a set number of milliseconds, but only do the work in batches + * so the browser does not get unresponsive. + */ + function doWork() { + const batchEnd = Date.now() + millisecondsPerBatch; + // Do some work for a set amount of time. + while (Date.now() < end) { + // Do some kind of work that is non-deterministic to guard against optimizations. + window.total += Math.random(); + i++; + + // Check if a batch is done yet. + if (Date.now() > batchEnd) { + // Defer the rest of the work into a micro task. Keep on doing this until + // the total milliseconds have elapsed. + setTimeout(doWork, 0); + return; + } + } + } + + doWork(); + </script> +</head> +<body> + Do some work for 500ms. +</body> +</html> |