resource-timing/queue-entry-regardless-buffer-size.html

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<link rel="help" href="https://w3c.github.io/resource-timing/#dfn-mark-resource-timing">
<title>This test validates that resource timing entires should always be queued regardless the size of the buffer.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/resource-loaders.js"></script>
<script src="resources/buffer-full-utilities.js"></script>
</head>
<body>
<script>
promise_test(async t => {
    clearBufferAndSetSize(1);
    let count = 0;
    const allEntriesReceived =  new Promise(resolve => {
      new PerformanceObserver(t.step_func((list) => {
        for (const entry of list.getEntries()) {
          if (entry.name.includes(scriptResources[0])) {
            count += 1;
          } else if (entry.name.includes(scriptResources[1])) {
            count += 1;
          }
        }
        if (count == 2) {
          resolve();
        }
      })).observe({type: 'resource'});
    });
    load.script(scriptResources[0]);
    load.script(scriptResources[1]);

    // Two resource timing entries should be observed regardless the
    // fact that we've set the buffer size to 1.
    await allEntriesReceived;
}, "Test that buffer size has no impact to whether an entry is queued or not");
</script>