23.2 Set Objects

commit c56030aea7b3e43f46dbbc2b52859ca275cff226
Author: Rick Waldron <waldron.rick@gmail.com>
Date:   Thu Apr 30 15:17:44 2015 -0400

    Fix nits

commit 9b341022a9fd5a295ce85b630886dae10e10b653
Author: Rick Waldron <waldron.rick@gmail.com>
Date:   Tue Apr 28 13:52:04 2015 -0400

    Wrap expected construct failure in assert.throws

commit 9ef7e1c0499a99b15c64bb480dbfa41433cf9804
Author: Mike Pennisi <mike@mikepennisi.com>
Date:   Fri Apr 24 13:46:02 2015 -0400

    Introduce addition tests for the Set constructor

commit bd54cccf4a599c123fae5c97782f5562cd9da8a0
Author: Rick Waldron <waldron.rick@gmail.com>
Date:   Fri Apr 24 15:11:19 2015 -0400

    23.2 Set Objects, additions

commit 970e2ca95879161a8bb124ec712f7333fdea6798
Author: Rick Waldron <waldron.rick@gmail.com>
Date:   Tue Apr 21 12:44:41 2015 -0400

    23.2 Set Objects

test/built-ins/Set/constructor.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.1
+description: >
+    The Set constructor is the %Set% intrinsic object and the
+    initial value of the Set property of the global object.
+---*/
+
+assert.sameValue(typeof Set, "function", "`typeof Set` is `'function'`");

test/built-ins/Set/length.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.2
+description: >
+    Properties of the Set Constructor
+
+    Besides the length property (whose value is 0)
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Set.length, 0, "The value of `Set.length` is `0`");
+
+verifyNotEnumerable(Set, "length");
+verifyNotWritable(Set, "length");
+verifyConfigurable(Set, "length");

test/built-ins/Set/name.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.1.1
+description: >
+    Set ( [ iterable ] )
+
+    17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Set.name, "Set", "The value of `Set.name` is `'Set'`");
+
+verifyNotEnumerable(Set, "name");
+verifyNotWritable(Set, "name");
+verifyConfigurable(Set, "name");

test/built-ins/Set/properties-of-the-set-prototype-object.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3
+description: >
+    The Set prototype object is the intrinsic object %SetPrototype%.
+    The value of the [[Prototype]] internal slot of the Set prototype
+    object is the intrinsic object %ObjectPrototype% (19.1.3). The Set
+    prototype object is an ordinary object. It does not have a
+    [[SetData]] internal slot.
+---*/
+
+assert.sameValue(
+    Object.getPrototypeOf(Set.prototype),
+    Object.prototype,
+    "`Object.getPrototypeOf(Set.prototype)` returns `Object.prototype`"
+);

test/built-ins/Set/prototype-of-set.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.2
+description: >
+    The value of the [[Prototype]] internal slot of the Set constructor
+    is the intrinsic object %FunctionPrototype% (19.2.3).
+---*/
+
+assert.sameValue(
+    Object.getPrototypeOf(Set),
+    Function.prototype,
+    "`Object.getPrototypeOf(Set)` returns `Function.prototype`"
+);

test/built-ins/Set/prototype/Symbol.iterator-Symbol.toStringTag-property-descriptor.js → test/built-ins/Set/prototype/Symbol.iterator/toStringTag-property-descriptor.js

@@ -11,7 +11,11 @@
 
 var SetIteratorProto = Object.getPrototypeOf(new Set()[Symbol.iterator]());
 
-assert.sameValue('Set Iterator', SetIteratorProto[Symbol.toStringTag]);
+assert.sameValue(
+ 'Set Iterator',
+ SetIteratorProto[Symbol.toStringTag],
+ "`'Set Iterator'` is `SetIteratorProto[Symbol.toStringTag]`"
+);
 
 verifyNotEnumerable(SetIteratorProto, Symbol.toStringTag);
 verifyNotWritable(SetIteratorProto, Symbol.toStringTag);

test/built-ins/Set/prototype/Symbol.toStringTag/property-descriptor.js

+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+  description: >
+      `Object.prototype.getOwnPropertyDescriptor` should reflect the value and
+      writability of the @@toStringTag attribute.
+  includes: [propertyHelper.js]
+  es6id: 23.2.3.12
+ ---*/
+
+var SetProto = Object.getPrototypeOf(new Set());
+
+assert.sameValue(
+  SetProto[Symbol.toStringTag],
+  'Set',
+  "The value of `SetProto[Symbol.toStringTag]` is `'Set'`"
+);
+
+verifyNotEnumerable(SetProto, Symbol.toStringTag);
+verifyNotWritable(SetProto, Symbol.toStringTag);
+verifyConfigurable(SetProto, Symbol.toStringTag);

test/built-ins/Set/prototype/add/add.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+    typeof Set.prototype.add,
+    "function",
+    "`typeof Set.prototype.add` is `'function'`"
+);
+
+verifyNotEnumerable(Set.prototype, "add");
+verifyWritable(Set.prototype, "add");
+verifyConfigurable(Set.prototype, "add");

test/built-ins/Set/prototype/add/does-not-have-setdata-internal-slot-array.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    ...
+    3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+    ...
+
+---*/
+
+assert.throws(TypeError, function() {
+  Set.prototype.add.call([], 1);
+});
+
+assert.throws(TypeError, function() {
+  var s = new Set();
+  s.add.call([], 1);
+});

test/built-ins/Set/prototype/add/does-not-have-setdata-internal-slot-map.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    ...
+    3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+    ...
+
+---*/
+
+assert.throws(TypeError, function() {
+  Set.prototype.add.call(new Map(), 1);
+});
+
+assert.throws(TypeError, function() {
+  var s = new Set();
+  s.add.call(new Map(), 1);
+});

test/built-ins/Set/prototype/add/does-not-have-setdata-internal-slot-object.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    ...
+    3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+    ...
+
+---*/
+
+assert.throws(TypeError, function() {
+  Set.prototype.add.call({}, 1);
+});
+
+assert.throws(TypeError, function() {
+  var s = new Set();
+  s.add.call({}, 1);
+});

test/built-ins/Set/prototype/add/does-not-have-setdata-internal-slot-set-prototype.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    ...
+    3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+    ...
+
+---*/
+
+assert.throws(TypeError, function() {
+  Set.prototype.add.call(Set.prototype, 1);
+});
+
+assert.throws(TypeError, function() {
+  var s = new Set();
+  s.add.call(Set.prototype, 1);
+});

test/built-ins/Set/prototype/add/does-not-have-setdata-internal-slot-weakset.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    ...
+    3. If S does not have a [[SetData]] internal slot, throw a TypeError exception.
+    ...
+
+---*/
+
+assert.throws(TypeError, function() {
+  Set.prototype.add.call(new WeakSet(), 1);
+});
+
+assert.throws(TypeError, function() {
+  var s = new Set();
+  s.add.call(new WeakSet(), 1);
+});

test/built-ins/Set/prototype/add/length.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Set.prototype.add.length, 1, "The value of `Set.prototype.add.length` is `1`");
+
+verifyNotEnumerable(Set.prototype.add, "length");
+verifyNotWritable(Set.prototype.add, "length");
+verifyConfigurable(Set.prototype.add, "length");

test/built-ins/Set/prototype/add/name.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    17 ECMAScript Standard Built-in Objects
+
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Set.prototype.add.name, "add", "The value of `Set.prototype.add.name` is `'add'`");
+
+verifyNotEnumerable(Set.prototype.add, "name");
+verifyNotWritable(Set.prototype.add, "name");
+verifyConfigurable(Set.prototype.add, "name");

test/built-ins/Set/prototype/add/preserves-insertion-order.js

+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.3.1
+description: >
+    Set.prototype.add ( value )
+
+    ...
+    7. Append value as the last element of entries.
+    ...
+---*/
+
+var s = new Set();
+var expects = [1, 2, 3];
+
+s.add(1).add(2).add(3);
+
+s.forEach(function(value) {
+  assert.sameValue(value, expects.shift());
+});
+
+assert.sameValue(expects.length, 0, "The value of `expects.length` is `0`");