Merge pull request #344 from bocoup/SetIteratorPrototype

Improve coverage of SetIteratorPrototype

test/built-ins/SetIteratorPrototype/Symbol.toStringTag.js

@@ -1,12 +1,14 @@
 // Copyright (C) 2014 the V8 project authors. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
-
 /*---
-  description: >
+es6id: 23.2.3.12
+description: >
   `Object.prototype.getOwnPropertyDescriptor` should reflect the value and
   writability of the @@toStringTag attribute.
-  includes: [propertyHelper.js]
-  es6id: 23.2.3.12
+includes: [propertyHelper.js]
+features:
+  - Symbol.toStringTag
+  - Symbol.iterator
  ---*/
 
 var SetIteratorProto = Object.getPrototypeOf(new Set()[Symbol.iterator]());
@@ -14,7 +16,7 @@ var SetIteratorProto = Object.getPrototypeOf(new Set()[Symbol.iterator]());
 assert.sameValue(
   'Set Iterator',
   SetIteratorProto[Symbol.toStringTag],
- "`'Set Iterator'` is `SetIteratorProto[Symbol.toStringTag]`"
+  '`Set Iterator` is `SetIteratorProto[Symbol.toStringTag]`'
 );
 
 verifyNotEnumerable(SetIteratorProto, Symbol.toStringTag);

test/built-ins/SetIteratorPrototype/next/does-not-have-mapiterator-internal-slots-set.js

@@ -0,0 +1,39 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.5.2.1
+description: >
+  Throws a TypeError if `this` does not have all of the internal slots of a Set
+  Iterator Instance.
+info: >
+  %SetIteratorPrototype%.next ( )
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  3. If O does not have all of the internal slots of a Set Iterator Instance
+  (23.2.5.3), throw a TypeError exception.
+  ...
+features: [Symbol.iterator]
+---*/
+
+var set = new Set([1, 2]);
+
+var iterator = set[Symbol.iterator]();
+assert.throws(TypeError, function() {
+  iterator.next.call(set);
+});
+
+iterator = set.entries();
+assert.throws(TypeError, function() {
+  iterator.next.call(set);
+});
+
+iterator = set.keys();
+assert.throws(TypeError, function() {
+  iterator.next.call(set);
+});
+
+iterator = set.values();
+assert.throws(TypeError, function() {
+  iterator.next.call(set);
+});

test/built-ins/SetIteratorPrototype/next/does-not-have-mapiterator-internal-slots.js

@@ -0,0 +1,42 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.5.2.1
+description: >
+  Throws a TypeError if `this` does not have all of the internal slots of a Set
+  Iterator Instance.
+info: >
+  %SetIteratorPrototype%.next ( )
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  3. If O does not have all of the internal slots of a Set Iterator Instance
+  (23.2.5.3), throw a TypeError exception.
+  ...
+features: [Symbol.iterator]
+---*/
+
+var set = new Set([1, 2]);
+
+var iterator = set[Symbol.iterator]();
+assert.throws(TypeError, function() {
+  iterator.next.call({});
+});
+
+iterator = set.entries();
+assert.throws(TypeError, function() {
+  iterator.next.call({});
+});
+
+iterator = set.keys();
+assert.throws(TypeError, function() {
+  iterator.next.call({});
+});
+
+iterator = set.values();
+assert.throws(TypeError, function() {
+  iterator.next.call({});
+});
+
+// does not throw an Error
+iterator.next.call(set[Symbol.iterator]());

test/built-ins/SetIteratorPrototype/next/iteration-mutable.js

@@ -1,14 +1,14 @@
 // Copyright (C) 2014 the V8 project authors. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
-
 /*---
-  description: >
+es6id: 23.2.3.11
+description: >
   When an item is added to the set after the iterator is created but before
   the iterator is "done" (as defined by 23.2.5.2.1), the new item should be
   accessible via iteration. When an item is added to the set after the
   iterator is "done", the new item should not be accessible via iteration.
-  es6id: 23.2.3.11
- ---*/
+features: [Symbol.iterator]
+---*/
 
 var set = new Set();
 set.add(1);

test/built-ins/SetIteratorPrototype/next/iteration.js

@@ -1,11 +1,12 @@
 // Copyright (C) 2014 the V8 project authors. All rights reserved.
 // This code is governed by the BSD license found in the LICENSE file.
-
 /*---
-  description: >
+es6id: 23.2.3.11
+description: >
   The method should return a valid iterator with the context as the
   IteratedObject.
-  es6id: 23.2.3.11
+features:
+  - Symbol.iterator
  ---*/
 
 var set = new Set();

test/built-ins/SetIteratorPrototype/next/no-set-data.js

@@ -1,15 +0,0 @@
-// Copyright (C) 2014 the V8 project authors. All rights reserved.
-// This code is governed by the BSD license found in the LICENSE file.
-
-/*---
-  description: >
-      If the context does not have a [[SetData]] internal slot, throw a
-      TypeError exception as per 23.2.5.1.
-  es6id: 23.2.3.11
- ---*/
-
-var iterator = new Set()[Symbol.iterator]();
-
-assert.throws(TypeError, function() {
-  iterator.next.call({});
-});

test/built-ins/SetIteratorPrototype/next/this-not-object-throw-entries.js

@@ -0,0 +1,48 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.5.2.1
+description: >
+  Throws a TypeError if `this` value is not an Object.
+info: >
+  From Set.prototype.entries()
+
+  %SetIteratorPrototype%.next ( )
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  ...
+features:
+  - Symbol
+  - Symbol.iterator
+---*/
+
+var set = new Set([1, 2]);
+var iterator = set.entries();
+
+assert.throws(TypeError, function() {
+  iterator.next.call(false);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(1);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call('');
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(null);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(Symbol());
+});
+
+// does not throw an Error
+iterator.next.call(set[Symbol.iterator]());

test/built-ins/SetIteratorPrototype/next/this-not-object-throw-keys.js

@@ -0,0 +1,48 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.5.2.1
+description: >
+  Throws a TypeError if `this` value is not an Object.
+info: >
+  From Set.prototype.keys()
+
+  %SetIteratorPrototype%.next ( )
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  ...
+features:
+  - Symbol
+  - Symbol.iterator
+---*/
+
+var set = new Set([[1, 11], [2, 22]]);
+var iterator = set.keys();
+
+assert.throws(TypeError, function() {
+  iterator.next.call(false);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(1);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call('');
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(null);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(Symbol());
+});
+
+// does not throw an Error
+iterator.next.call(set[Symbol.iterator]());

test/built-ins/SetIteratorPrototype/next/this-not-object-throw-prototype-iterator.js

@@ -0,0 +1,48 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.5.2.1
+description: >
+  Throws a TypeError if `this` value is not an Object.
+info: >
+  Using Set.prototype[Symbol.iterator]()
+
+  %SetIteratorPrototype%.next ( )
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  ...
+features:
+  - Symbol
+  - Symbol.iterator
+---*/
+
+var set = new Set([[1, 11], [2, 22]]);
+var iterator = set[Symbol.iterator]();
+
+assert.throws(TypeError, function() {
+  iterator.next.call(false);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(1);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call('');
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(null);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(Symbol());
+});
+
+// does not throw an Error
+iterator.next.call(set[Symbol.iterator]());

test/built-ins/SetIteratorPrototype/next/this-not-object-throw-values.js

@@ -0,0 +1,48 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.2.5.2.1
+description: >
+  Throws a TypeError if `this` value is not an Object.
+info: >
+  From Set.prototype.values()
+
+  %SetIteratorPrototype%.next ( )
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  ...
+features:
+  - Symbol
+  - Symbol.iterator
+---*/
+
+var set = new Set([[1, 11], [2, 22]]);
+var iterator = set.values();
+
+assert.throws(TypeError, function() {
+  iterator.next.call(false);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(1);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call('');
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(null);
+});
+
+assert.throws(TypeError, function() {
+  iterator.next.call(Symbol());
+});
+
+// does not throw an Error
+iterator.next.call(set[Symbol.iterator]());