description( "This tests array.splice behavior." ); var arr = ['a','b','c','d']; shouldBe("arr", "['a','b','c','d']"); shouldBe("arr.splice(2)", "['c','d']"); shouldBe("arr", "['a','b']"); shouldBe("arr.splice(0)", "['a','b']"); shouldBe("arr", "[]") arr = ['a','b','c','d']; shouldBe("arr.splice()", "[]") shouldBe("arr", "['a','b','c','d']"); shouldBe("arr.splice(undefined)", "['a','b','c','d']") shouldBe("arr", "[]"); arr = ['a','b','c','d']; shouldBe("arr.splice(null)", "['a','b','c','d']") shouldBe("arr", "[]"); arr = ['a','b','c','d']; shouldBe("arr.splice(100)", "[]") shouldBe("arr", "['a','b','c','d']"); shouldBe("arr.splice(-1)", "['d']") shouldBe("arr", "['a','b','c']"); shouldBe("arr.splice(2, undefined)", "[]") shouldBe("arr.splice(2, null)", "[]") shouldBe("arr.splice(2, -1)", "[]") shouldBe("arr", "['a','b','c']"); shouldBe("arr.splice(2, 100)", "['c']") shouldBe("arr", "['a','b']"); var successfullyParsed = true;