LayoutTests/js/script-tests/basic-for-of.js

description(
"This test checks the behavior of the for-of construct."
);


var testArray = [1,2,3,4,5,6]

var i = 0;
for (var value of testArray)
    shouldBe("value", "testArray[" + i++ + "]")

shouldBe("testArray.length", String(i))

var i = 0;
for (var key of testArray.keys())
    shouldBe("key", "" + i++ )

shouldBe("testArray.length", String(i))

var i = 0;
for (this.prop1 of testArray.keys())
    shouldBe("this.prop1", "" + i++ )

shouldBe("testArray.length", String(i))

var i = 0;
var prop2 = "asdf"
for (this[prop2] of testArray.keys())
    shouldBe("this[prop2]", "" + i++ )

shouldBe("testArray.length", String(i))


var i = 0;
for (var [key, value] of testArray.entries()) {
    shouldBe("key", "" + i++)
    shouldBe("value", "" + i)
}

shouldBe("testArray.length", String(i))

var i = 0;
for (var [key, value] of testArray.entries()) {
    shouldBe("value", "testArray[key]")
    shouldBe("key", "i")
    i++
    if (i % 2 == 0)
        testArray[i] *= 2;
    if (i < 4)
        testArray.push(testArray.length)
    if (i == 4)
        delete testArray[4]
    if (i == 5)
        testArray[4] = 5
}
shouldBe("testArray.length", String(i))


var i = 0;
for ([key, value] of testArray.entries()) {
    shouldBe("value", "testArray[key]")
    shouldBe("key", "i")
    i++
    if (i % 2 == 0)
        testArray[i] *= 2;
    if (i < 4)
        testArray.push(testArray.length)
    if (i == 4)
        delete testArray[4]
    if (i == 5)
        testArray[4] = 5
}
shouldBe("testArray.length", String(i))