<!DOCTYPE html>
<html>
<head>
<script src="../../../http/tests/inspector/resources/inspector-test.js"></script>
<script src="../resources/log-pause-location.js"></script>
<script>
function a() {
    return 1;
}

function b() {
    return 2;
}

function entryDefaultParameterExpression() {
    function add(a=1, b=2) {
        return a + b;
    }
    debugger;
    add();
    add(1);
    add(1, 2);
}

function entryDefaultParameterCallExpression() {
    function add(x=a(), y=b()) {
        return x + y;
    }
    debugger;
    add();
    add(1);
    add(1, 2);
}

// ---------

function test()
{
    let suite = InspectorTest.createAsyncSuite("Debugger.stepping.function-default-parameters");

    window.initializeSteppingTestSuite(suite);

    addSteppingTestCase({
        name: "Debugger.stepping.DefaultParameterExpression",
        description: "Should be able to step through arrow functions.",
        expression: "setTimeout(entryDefaultParameterExpression)",
        steps: [
            "over",
                       // FIXME: Opportunity to pause at assignment expressions.
                "in",  // into 1st add
                "out", // out of 1st add
                "in",  // into 2nd add
                "out", // out of 2nd add
                "in",  // into 3rd add
                "out", // out of 3rd add
            "resume",
        ]
    });

    addSteppingTestCase({
        name: "Debugger.stepping.DefaultParameterCallExpression",
        description: "Should be able to step through arrow functions.",
        expression: "setTimeout(entryDefaultParameterCallExpression)",
        steps: [
            "over",
                "in",  // into 1st add - before a()
                "in",  // into a
                "out", // out of a - before b()
                "in",  // into b
                "out", // out of b - before return
                "out", // out of 1st add

                "in",  // into 2nd add - before b()
                "in",  // into b
                "out", // out of b - before return
                "out", // out of 2nd add

                "in",  // into 3rd add - before return
                "out", // out of 3rd add
            "resume",
        ]
    });

    loadMainPageContent().then(() => {
        suite.runTestCasesAndFinish();
    });
}
</script>
</head>
<body onload="runTest()">
<p>Checking pause locations when stepping in, out, and over functions with default parameter expressions.</p>
</body>
</html>