function shouldBe(actual, expected) { if (actual !== expected) throw new Error('bad value: ' + actual); } (function () { function indexOfInt32(array, value, index) { return array.indexOf(value, index); } noInline(indexOfInt32); function indexOfDouble(array, value, index) { return array.indexOf(value, index); } noInline(indexOfDouble); function indexOfString(array, value, index) { return array.indexOf(value, index); } noInline(indexOfString); function indexOfObject(array, value, index) { return array.indexOf(value, index); } noInline(indexOfObject); var key = {}; var cocoa = Symbol("Cocoa"); var cappuccino = Symbol("Cappuccino"); var int32Array = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]; var doubleArray = [0, 1, 2, 3, 4.2, 5, 6, 7, 8, 9, 10.5, 11, 12]; var stringArray = [ "cocoa", "cappuccino", "matcha", "rize", "kilimanjaro" ]; var objectArray = [ {}, {}, {}, {}, {}, key, {}, {}, {}, cocoa, cappuccino ]; for (var i = 0; i < 1e5; ++i) { shouldBe(indexOfInt32(int32Array, null, 0), -1); shouldBe(indexOfInt32(int32Array, undefined, 0), -1); shouldBe(indexOfDouble(doubleArray, null, 0), -1); shouldBe(indexOfDouble(doubleArray, undefined, 0), -1); shouldBe(indexOfDouble(doubleArray, null, 0), -1); shouldBe(indexOfDouble(doubleArray, undefined, 0), -1); shouldBe(indexOfString(stringArray, null, 0), -1); shouldBe(indexOfString(stringArray, undefined, 0), -1); shouldBe(indexOfObject(objectArray, cocoa, 0), 9); shouldBe(indexOfObject(objectArray, cappuccino, 0), 10); } }());