load("test-common.js");

try {
    let o = {
        foo: 1,
        bar: "baz",
        qux: {
            get x() { return 10; },
            y() { return 20; },
            arr: [1, 2, 3],
        }
    };

    let string = JSON.stringify(o, null, 4);
    let expected =
`{
    "foo": 1,
    "bar": "baz",
    "qux": {
        "x": 10,
        "arr": [
            1,
            2,
            3
        ]
    }
}`;

    assert(string === expected);

    string = JSON.stringify(o, null, "abcd");
    expected =
`{
abcd"foo": 1,
abcd"bar": "baz",
abcd"qux": {
abcdabcd"x": 10,
abcdabcd"arr": [
abcdabcdabcd1,
abcdabcdabcd2,
abcdabcdabcd3
abcdabcd]
abcd}
}`;

    assert(string === expected);

    console.log("PASS");
} catch (e) {
    console.log("FAIL: " + e);
}