<!DOCTYPE html>
<html>
<head>
<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
<script>

if (window.internals)
    window.internals.setMockMediaCaptureDevicesEnabled(false);

function requestGetUserMedia() {
    navigator.mediaDevices.getUserMedia({audio: {}, video: {}})
        .then(() => TestPage.dispatchEventToFrontend("GetUserMedia", {success: true}))
        .catch((error) => TestPage.dispatchEventToFrontend("GetUserMedia", {error: error.message}));
}

function test()
{
    let suite = InspectorTest.createAsyncSuite("Page.overrideSetting");

    suite.addTestCase({
        name: "Page.overrideSetting.MockCaptureDevicesEnabled",
        description: "Test that changing whether mock capture devices are enabled has an effect.",
        async test() {
            let [defaultResult] = await Promise.all([
                InspectorTest.awaitEvent("GetUserMedia"),
                InspectorTest.evaluateInPage(`requestGetUserMedia()`),
            ]);
            InspectorTest.log("Expected Error: " + defaultResult.data.error);

            InspectorTest.log("Overriding MockCaptureDevicesEnabled to true...");
            await PageAgent.overrideSetting(InspectorBackend.Enum.Page.Setting.MockCaptureDevicesEnabled, true);

            let [overriddenResult] = await Promise.all([
                InspectorTest.awaitEvent("GetUserMedia"),
                InspectorTest.evaluateInPage(`requestGetUserMedia()`),
            ])
            InspectorTest.expectTrue(overriddenResult.data.success, "getUserMedia should not fail when no devices are available");

            InspectorTest.log("Removing MockCaptureDevicesEnabled override...");
            await PageAgent.overrideSetting(InspectorBackend.Enum.Page.Setting.MockCaptureDevicesEnabled);

            let [originalResult] = await Promise.all([
                InspectorTest.awaitEvent("GetUserMedia"),
                InspectorTest.evaluateInPage(`requestGetUserMedia()`),
            ])
            InspectorTest.log("Expected Error: " + originalResult.data.error);
        },
    });

    suite.runTestCasesAndFinish();
}

</script>
</head>
<body onload="runTest()">
    <p>Tests for the Page.overrideSetting command.</p>
</body>
</html>