<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Resource Timing - Shared Entry has Distinct Entry per Frame</title>
<link rel="help" href="https://w3c.github.io/resource-timing/#processing-model">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/rt-utilities.sub.js"></script>
</head>
<body>
<h1>Resource Timing: Shared Entry has Distinct Entry per Frame</h1>
<div id="log"></div>
<iframe id="iframe1" src="resources/rt-iframe-1.html"></iframe>
<iframe id="iframe2" src="resources/rt-iframe-2.html"></iframe>
<script>
setup({explicit_done: true});

window.addEventListener("load", function() {
    let mainFrameWindow = window;
    let iframe1Window = document.getElementById("iframe1").contentWindow;
    let iframe2Window = document.getElementById("iframe2").contentWindow;

    let promises = [];
    let sharedResourceURL = uniqueImageURL("shared");

    mainFrameWindow.performance.clearResourceTimings();
    promises.push(mainFrameWindow.fetch(sharedResourceURL));

    wait(); // Ensure a DOMHighResTimeStamp change.

    iframe1Window.performance.clearResourceTimings();
    promises.push(iframe1Window.fetch(sharedResourceURL));

    wait(); // Ensure a DOMHighResTimeStamp change.

    iframe2Window.performance.clearResourceTimings();
    promises.push(iframe2Window.fetch(sharedResourceURL));

    Promise.all(promises).then(function() {
        let mainFrameEntries = mainFrameWindow.performance.getEntriesByType("resource");
        let iframe1Entries = iframe1Window.performance.getEntriesByType("resource");
        let iframe2Entries = iframe2Window.performance.getEntriesByType("resource");

        function checkContainsURL(url, list) {
            for (let entry of list) {
                if (entry.name === url)
                    return true;
            }
            return false;
        }

        function assertSharedEntryIsDifferent(sharedEntry, list) {
            for (let entry of list) {
                if (entry.name === sharedResourceURL) {
                    assert_not_equals(sharedEntry.startTime, entry.startTime, "shared entry should be different between contexts");
                    return;
                }
            }
        }

        test(function(t) {
            assert_true(checkContainsURL(sharedResourceURL, mainFrameEntries), "main frame should have an entry for the shared resource");
            assert_equals(mainFrameEntries.length, 1, "window should have 1 resource entry");
            assertSharedEntryIsDifferent(mainFrameEntries[0], iframe1Entries);
            assertSharedEntryIsDifferent(mainFrameEntries[0], iframe2Entries);
        }, "main frame has shared resource entry");

        test(function(t) {
            assert_true(checkContainsURL(sharedResourceURL, iframe1Entries), "iframe1 should have an entry for the shared resource");
            assert_equals(iframe1Entries.length, 1, "iframe1 should have 1 resource entry");
            assertSharedEntryIsDifferent(iframe1Entries[0], mainFrameEntries);
            assertSharedEntryIsDifferent(iframe1Entries[0], iframe2Entries);
        }, "iframe1 has shared resource entry");

        test(function(t) {
            assert_true(checkContainsURL(sharedResourceURL, iframe2Entries), "iframe2 should have an entry for the shared resource");
            assert_equals(iframe2Entries.length, 1, "iframe2 should have 1 resource entry");
            assertSharedEntryIsDifferent(iframe2Entries[0], iframe1Entries);
            assertSharedEntryIsDifferent(iframe2Entries[0], mainFrameEntries);
        }, "iframe2 has shared resource entry");

        done();
    });
});
</script>
</body>
</html>