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

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

    suite.addTestCase({
        name: "Page.overrideUserAgent.Custom",
        description: "Test that author/user styles aren't applied when that setting is overridden.",
        async test() {
            const testUserAgent = "TEST USER AGENT";

            let defaultUserAgent = await InspectorTest.evaluateInPage(`navigator.userAgent`);
            InspectorTest.expectGreaterThan(defaultUserAgent.length, 0, "There should be a default UserAgent.");

            InspectorTest.log("Overriding UserAgent...");
            await PageAgent.overrideUserAgent(testUserAgent);

            InspectorTest.log("Reloading...");
            await InspectorTest.reloadPage();
            await InspectorTest.awaitEvent(FrontendTestHarness.Event.TestPageDidLoad);

            let overriddenUserAgent = await InspectorTest.evaluateInPage(`navigator.userAgent`);
            InspectorTest.expectEqual(overriddenUserAgent, testUserAgent, "The UserAgent should have changed.");

            InspectorTest.log("Removing UserAgent override...");
            await PageAgent.overrideUserAgent();

            InspectorTest.log("Reloading...");
            await InspectorTest.reloadPage();
            await InspectorTest.awaitEvent(FrontendTestHarness.Event.TestPageDidLoad);

            let originalUserAgent = await InspectorTest.evaluateInPage(`navigator.userAgent`);
            InspectorTest.expectEqual(originalUserAgent, defaultUserAgent, "The UserAgent should be back to its default value.");
        },
    });

    suite.runTestCasesAndFinish();
}

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