Add tests for TypedArrays join

test/built-ins/TypedArray/prototype/join/custom-separator-result-from-tostring-on-each-simple-value.js

@@ -0,0 +1,77 @@
+// 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]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA([1, 0, 2, 3, 42, 127]);
+
+  var result;
+
+  result = sample.join(",");
+  assert.sameValue(result, "1,0,2,3,42,127");
+
+  result = sample.join(undefined);
+  assert.sameValue(result, "1,0,2,3,42,127");
+
+  result = sample.join(null);
+  assert.sameValue(result, "1null0null2null3null42null127");
+
+  result = sample.join(",,");
+  assert.sameValue(result, "1,,0,,2,,3,,42,,127");
+
+  result = sample.join(0);
+  assert.sameValue(result, "10002030420127");
+
+  result = sample.join("");
+  assert.sameValue(result, "102342127");
+
+  result = sample.join(" a b c ");
+  assert.sameValue(result, "1 a b c 0 a b c 2 a b c 3 a b c 42 a b c 127");
+
+  result = sample.join({});
+  assert.sameValue(result, "1[object Object]0[object Object]2[object Object]3[object Object]42[object Object]127");
+
+  result = sample.join(true);
+  assert.sameValue(result, "1true0true2true3true42true127");
+
+  result = sample.join({ toString: function() { return "foo"; }});
+  assert.sameValue(result, "1foo0foo2foo3foo42foo127");
+
+  result = sample.join({ toString: undefined, valueOf: function() { return "bar"; }});
+  assert.sameValue(result, "1bar0bar2bar3bar42bar127");
+
+  result = sample.join(false);
+  assert.sameValue(result, "1false0false2false3false42false127");
+
+  result = sample.join(-1);
+  assert.sameValue(result, "1-10-12-13-142-1127");
+
+  result = sample.join(-0);
+  assert.sameValue(result, "10002030420127");
+});

test/built-ins/TypedArray/prototype/join/custom-separator-result-from-tostring-on-each-value.js

@@ -0,0 +1,134 @@
+// 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]
+---*/
+
+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);
+});

test/built-ins/TypedArray/prototype/join/empty-instance-empty-string.js

@@ -0,0 +1,28 @@
+// 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: Return the empty String if length is 0
+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)
+
+  ...
+  4. Let sep be ? ToString(separator).
+  5. If len is zero, return the empty String.
+  ...
+includes: [testTypedArray.js]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA();
+
+  assert.sameValue(sample.join(), "");
+  assert.sameValue(sample.join("test262"), "");
+});

test/built-ins/TypedArray/prototype/join/get-length-uses-internal-arraylength.js

@@ -0,0 +1,44 @@
+// 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: Get "length" uses internal ArrayLength
+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)
+
+  1. Let O be ? ToObject(this value).
+  2. Let len be ? ToLength(? Get(O, "length")).
+  ...
+  5. If len is zero, return the empty String.
+  ...
+includes: [testTypedArray.js]
+---*/
+
+var getCalls = 0;
+var desc = {
+  get: function getLen() {
+    getCalls++;
+    return 0;
+  }
+};
+
+Object.defineProperty(TypedArray.prototype, "length", desc);
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA([42, 43]);
+
+  Object.defineProperty(TA.prototype, "length", desc);
+  Object.defineProperty(sample, "length", desc);
+
+  var result = sample.join();
+
+  assert.sameValue(getCalls, 0, "ignores length properties");
+  assert.notSameValue(result, "", "result is not affected but custom length 0");
+});

test/built-ins/TypedArray/prototype/join/result-from-tostring-on-each-simple-value.js

@@ -0,0 +1,36 @@
+// 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 simple value
+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]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA([1, 0, 2, 3, 42, 127]);
+
+  var result = sample.join();
+
+  assert.sameValue(result, "1,0,2,3,42,127");
+});

test/built-ins/TypedArray/prototype/join/result-from-tostring-on-each-value.js

@@ -0,0 +1,43 @@
+// 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
+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]
+---*/
+
+var arr = [-2, Infinity, NaN, -Infinity, 0.6, 9007199254740992];
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA(arr);
+
+  // Use converted values using Array methods as helpers
+  var expected = arr.map(function(_, i) {
+    return sample[i].toString();
+  }).join();
+
+  var result = sample.join();
+
+  assert.sameValue(result, expected);
+});

test/built-ins/TypedArray/prototype/join/return-abrupt-from-separator-symbol.js

@@ -0,0 +1,32 @@
+// 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: Return abrupt from ToString(Symbol 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)
+
+  ...
+  4. Let sep be ? ToString(separator).
+  5. If len is zero, return the empty String.
+  ...
+includes: [testTypedArray.js]
+features: [Symbol]
+---*/
+
+var s = Symbol("");
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA();
+
+  assert.throws(TypeError, function() {
+    sample.join(s);
+  });
+});

test/built-ins/TypedArray/prototype/join/return-abrupt-from-separator.js

@@ -0,0 +1,35 @@
+// 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: Return abrupt from ToString(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)
+
+  ...
+  4. Let sep be ? ToString(separator).
+  5. If len is zero, return the empty String.
+  ...
+includes: [testTypedArray.js]
+---*/
+
+var obj = {
+  toString: function() {
+    throw new Test262Error();
+  }
+};
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA();
+
+  assert.throws(Test262Error, function() {
+    sample.join(obj);
+  });
+});