Function arrayReviver

deps/v8/test/webkit/fast/js/JSON-parse-reviver.js:28–103

(i,v)

    Array.isArray = function(o) { return o.constructor === Array; }

function arrayReviver(i,v) {
    if (i != "") {
        currentHolder = this;
        debug("");
        debug("Ensure the holder for our array is indeed an array");
        shouldBeTrue("Array.isArray(currentHolder)");
        shouldBe("currentHolder.length", "" + expectedLength);
        if (i > 0) {
            debug("");
            debug("Ensure that we always get the same holder");
            shouldBe("currentHolder", "lastHolder");
        }
        switch (Number(i)) {
        case 0:
            v = undefined;
            debug("");
            debug("Ensure that the holder already has all the properties present at the start of filtering");
            shouldBe("currentHolder[0]", '"a value"');
            shouldBe("currentHolder[1]", '"another value"');
            shouldBe("currentHolder[2]", '"and another value"');
            shouldBe("currentHolder[3]", '"to delete"');
            shouldBe("currentHolder[4]", '"extra value"');
            break;

        case 1:
            debug("");
            debug("Ensure that returning undefined has removed the property 0 from the holder during filtering.");
            shouldBeFalse("currentHolder.hasOwnProperty(0)");
            currentHolder[2] = "a replaced value";
            break;

        case 2:
            debug("");
            debug("Ensure that changing the value of a property is reflected while filtering.")
            shouldBe("currentHolder[2]", '"a replaced value"');
            value = v;
            debug("");
            debug("Ensure that the changed value is reflected in the arguments passed to the reviver");
            shouldBe("value", "currentHolder[2]");
            delete this[3];
            break;

        case 3:
            debug("");
            debug("Ensure that we visited a value that we have deleted, and that deletion is reflected while filtering.");
            shouldBeFalse("currentHolder.hasOwnProperty(3)");
            value = v;
            debug("");
            debug("Ensure that when visiting a deleted property value is undefined");
            shouldBeUndefined("value");
            this.length = 3;
            v = "undelete the property";
            expectedLength = 4;
            break;

        case 4:
            if (this.length != 4) {
                testFailed("Did not call reviver for deleted property");