<html>
<head>
<script src="../../http/tests/inspector/resources/protocol-test.js"></script>
<script src="../../http/tests/inspector/resources/stable-id-map.js"></script>
<script>
function test()
{
    let suite = ProtocolTest.createAsyncSuite("Runtime.executionContextCreated.OnEnable");

    suite.addTestCase({
        name: "Runtime.executionContextCreated.OnEnable.NoDuplicates",
        description: "Test that Runtime.enable will send executionContextCreated events only for existng main world contexts",
        async test() {
            let contextIdMap = new StableIdMap;
            let frameIdMap = new StableIdMap;
            let contextCount = 0;

            InspectorProtocol.addEventListener("Runtime.executionContextCreated", (messageObject) => {
                let {id, type, frameId} = messageObject.params.context;
                if (type === "internal")
                    return;

                ProtocolTest.log(`Execution context created: id=${contextIdMap.get(id)} frameId=${frameIdMap.get(frameId)} isPageContext=${type === "normal"}`)
                ++contextCount;
            });

            await Promise.all([
                InspectorProtocol.awaitCommand({method: "Page.enable"}),
                InspectorProtocol.awaitCommand({method: "Runtime.enable"}),
            ]);

            ProtocolTest.expectEqual(contextCount, 2, "Should receive 2 executionContextCreated events (for main world in the main frame and the subframe).");
            ProtocolTest.expectEqual(contextIdMap.size, 2, "Should have 2 unique contexts.");
        }
    });

    suite.runTestCasesAndFinish();
}
</script>
</head>
<body>
<iframe id="subframe" src="resources/change-execution-context-identifier-subframe.html" onload="runTest()"></iframe>
<p>Test that exactly one Runtime.executionContextCreated event is fired for each existing context when Runtime.enable is called.</p>
</body>
</html>