// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-%typedarray%.prototype.join description: > Concatenates the result of toString for each value with custom separator info: | 22.2.3.15 %TypedArray%.prototype.join ( separator ) %TypedArray%.prototype.join is a distinct function that implements the same algorithm as Array.prototype.join as defined in 22.1.3.13 except that the this object's [[ArrayLength]] internal slot is accessed in place of performing a [[Get]] of "length". 22.1.3.13 Array.prototype.join (separator) ... 7. If element0 is undefined or null, let R be the empty String; otherwise, let R be ? ToString(element0). 8. Let k be 1. 9. Repeat, while k < len a. Let S be the String value produced by concatenating R and sep. b. Let element be ? Get(O, ! ToString(k)). c. If element is undefined or null, let next be the empty String; otherwise, let next be ? ToString(element). d. Let R be a String value produced by concatenating S and next. ... includes: [testTypedArray.js] features: [TypedArray] ---*/ var arr = [-2, Infinity, NaN, -Infinity, 0.6, 9007199254740992]; testWithTypedArrayConstructors(function(TA) { var sample = new TA(arr); var result, separator, expected; separator = ","; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected); separator = undefined; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = null; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = ",,"; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = 0; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = ""; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = " a b c "; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = {}; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = { toString: function() { return "foo"; }}; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = { toString: undefined, valueOf: function() { return "bar"; }}; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = true; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = false; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = 1; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); separator = 0; expected = arr.map(function(_, i) { return sample[i].toString(); }).join(separator); result = sample.join(separator); assert.sameValue(result, expected, "using: " + separator); }); reportCompare(0, 0);