diff --git a/test/built-ins/Symbol/species/Symbol.species.in_Array.js b/test/built-ins/Array/symbol-species.js
similarity index 97%
rename from test/built-ins/Symbol/species/Symbol.species.in_Array.js
rename to test/built-ins/Array/symbol-species.js
index 93c13d5ac7..1d62c861bc 100644
--- a/test/built-ins/Symbol/species/Symbol.species.in_Array.js
+++ b/test/built-ins/Array/symbol-species.js
@@ -7,7 +7,7 @@ info: >
 es6id: 22.1.2.5
 author: Sam Mikes
 description: Array[Symbol.species] exists per spec
-includes: 
+includes:
   - propertyHelper.js
 ---*/
 
diff --git a/test/built-ins/Symbol/species/Symbol.species.in_ArrayBuffer.js b/test/built-ins/ArrayBuffer/symbol-species.js
similarity index 98%
rename from test/built-ins/Symbol/species/Symbol.species.in_ArrayBuffer.js
rename to test/built-ins/ArrayBuffer/symbol-species.js
index 2e31d914fe..ed22d4a006 100644
--- a/test/built-ins/Symbol/species/Symbol.species.in_ArrayBuffer.js
+++ b/test/built-ins/ArrayBuffer/symbol-species.js
@@ -8,7 +8,7 @@ es6id: 24.1.3.3
 author: Sam Mikes
 description: ArrayBuffer[Symbol.species] exists per spec
 features: [ ArrayBuffer, Symbol.species ]
-includes: 
+includes:
   - propertyHelper.js
 ---*/
 
diff --git a/test/built-ins/Boolean/symbol-coercion.js b/test/built-ins/Boolean/symbol-coercion.js
new file mode 100644
index 0000000000..59e953df0e
--- /dev/null
+++ b/test/built-ins/Boolean/symbol-coercion.js
@@ -0,0 +1,10 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 7.1.2
+description: >
+    Boolean coercion operations on Symbols
+---*/
+var sym = Symbol();
+
+assert.sameValue(Boolean(sym).valueOf(), true, "`Boolean(sym).valueOf()` returns `true`");
diff --git a/test/built-ins/Map/symbol-as-entry-key.js b/test/built-ins/Map/symbol-as-entry-key.js
new file mode 100644
index 0000000000..cf82d615a1
--- /dev/null
+++ b/test/built-ins/Map/symbol-as-entry-key.js
@@ -0,0 +1,19 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Symbol as Map key
+features: [Map]
+---*/
+var map = new Map();
+var sym = Symbol();
+
+map.set(sym, 1);
+
+assert.sameValue(map.size, 1, "The value of `map.size` is `1`, after executing `map.set(sym, 1)`");
+assert.sameValue(map.has(sym), true, "`map.has(sym)` returns `true`");
+assert.sameValue(map.get(sym), 1, "`map.get(sym)` returns `1`");
+assert.sameValue(map.delete(sym), true, "`map.delete(sym)` returns `true`");
+assert.sameValue(map.size, 0, "The value of `map.size` is `0`");
+
diff --git a/test/built-ins/Symbol/species/Symbol.species.in_Map.js b/test/built-ins/Map/symbol-species.js
similarity index 97%
rename from test/built-ins/Symbol/species/Symbol.species.in_Map.js
rename to test/built-ins/Map/symbol-species.js
index b2c4344998..ca9742b710 100644
--- a/test/built-ins/Symbol/species/Symbol.species.in_Map.js
+++ b/test/built-ins/Map/symbol-species.js
@@ -7,7 +7,7 @@ info: >
 es6id: 23.1.2.2
 author: Sam Mikes
 description: Map[Symbol.species] exists per spec
-includes: 
+includes:
   - propertyHelper.js
 ---*/
 
diff --git a/test/built-ins/Number/symbol-number-coercion.js b/test/built-ins/Number/symbol-number-coercion.js
new file mode 100644
index 0000000000..38938100b3
--- /dev/null
+++ b/test/built-ins/Number/symbol-number-coercion.js
@@ -0,0 +1,28 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 7.1.3
+description: >
+    Number coercion operations on Symbols
+---*/
+assert.throws(TypeError, function() {
+  Number(Symbol('66'));
+});
+assert.throws(TypeError, function() {
+  Symbol('66') + 0;
+});
+assert.throws(TypeError, function() {
+  +Symbol('66');
+});
+assert.throws(TypeError, function() {
+  Symbol('66') >> 0;
+});
+assert.throws(TypeError, function() {
+  Symbol('66') >>> 0;
+});
+assert.throws(TypeError, function() {
+  Symbol('66') | 0;
+});
+assert.throws(TypeError, function() {
+  new Uint16Array([Symbol('66')]);
+});
diff --git a/test/built-ins/Object/defineProperty/symbol-data-property-configurable-non-strict.js b/test/built-ins/Object/defineProperty/symbol-data-property-configurable-non-strict.js
new file mode 100644
index 0000000000..622f6787c6
--- /dev/null
+++ b/test/built-ins/Object/defineProperty/symbol-data-property-configurable-non-strict.js
@@ -0,0 +1,43 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.4
+description: >
+    Symbol used as property for configurable data property definition
+flags: [noStrict]
+---*/
+var sym = Symbol();
+var obj = {};
+
+
+Object.defineProperty(obj, sym, {
+  value: 1,
+  configurable: true
+});
+
+assert.sameValue(sym in obj, true, "The result of `sym in obj` is `true`");
+assert.sameValue(
+  Object.hasOwnProperty.call(obj, sym),
+  true,
+  "`Object.hasOwnProperty.call(obj, sym)` returns `true`"
+);
+
+var desc = Object.getOwnPropertyDescriptor(obj, sym);
+
+assert.sameValue(desc.value, 1, "The value of `desc.value` is `1`");
+assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`");
+assert.sameValue(desc.writable, false, "The value of `desc.writable` is `false`");
+assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+assert.sameValue(
+  Object.prototype.propertyIsEnumerable.call(obj, sym),
+  false,
+  "`Object.prototype.propertyIsEnumerable.call(obj, sym)` returns `false`"
+);
+
+assert.sameValue(delete obj[sym], true, "The result of `delete obj[sym]` is `true`");
+
+assert.sameValue(
+  Object.getOwnPropertyDescriptor(obj, sym),
+  undefined,
+  "`Object.getOwnPropertyDescriptor(obj, sym)` returns `undefined`"
+);
diff --git a/test/built-ins/Object/defineProperty/symbol-data-property-configurable-strict.js b/test/built-ins/Object/defineProperty/symbol-data-property-configurable-strict.js
new file mode 100644
index 0000000000..4e8be2295c
--- /dev/null
+++ b/test/built-ins/Object/defineProperty/symbol-data-property-configurable-strict.js
@@ -0,0 +1,43 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.4
+description: >
+    Symbol used as property for configurable data property definition
+flags: [onlyStrict]
+---*/
+var sym = Symbol();
+var obj = {};
+
+
+Object.defineProperty(obj, sym, {
+  value: 1,
+  configurable: true
+});
+
+assert.sameValue(sym in obj, true, "The result of `sym in obj` is `true`");
+assert.sameValue(
+  Object.hasOwnProperty.call(obj, sym),
+  true,
+  "`Object.hasOwnProperty.call(obj, sym)` returns `true`"
+);
+
+var desc = Object.getOwnPropertyDescriptor(obj, sym);
+
+assert.sameValue(desc.value, 1, "The value of `desc.value` is `1`");
+assert.sameValue(desc.configurable, true, "The value of `desc.configurable` is `true`");
+assert.sameValue(desc.writable, false, "The value of `desc.writable` is `false`");
+assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+assert.sameValue(
+  Object.prototype.propertyIsEnumerable.call(obj, sym),
+  false,
+  "`Object.prototype.propertyIsEnumerable.call(obj, sym)` returns `false`"
+);
+
+assert.sameValue(delete obj[sym], true, "The result of `delete obj[sym]` is `true`");
+
+assert.sameValue(
+  Object.getOwnPropertyDescriptor(obj, sym),
+  undefined,
+  "`Object.getOwnPropertyDescriptor(obj, sym)` returns `undefined`"
+);
diff --git a/test/built-ins/Object/defineProperty/symbol-data-property-default-non-strict.js b/test/built-ins/Object/defineProperty/symbol-data-property-default-non-strict.js
new file mode 100644
index 0000000000..433a9c0a13
--- /dev/null
+++ b/test/built-ins/Object/defineProperty/symbol-data-property-default-non-strict.js
@@ -0,0 +1,46 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.4
+description: >
+    Symbol used as property for property definition
+flags: [noStrict]
+---*/
+var sym = Symbol();
+var obj = {};
+
+
+Object.defineProperty(obj, sym, {
+  value: 1,
+});
+
+assert.sameValue(sym in obj, true, "The result of `sym in obj` is `true`");
+assert.sameValue(
+  Object.hasOwnProperty.call(obj, sym),
+  true,
+  "`Object.hasOwnProperty.call(obj, sym)` returns `true`"
+);
+
+var desc = Object.getOwnPropertyDescriptor(obj, sym);
+
+assert.sameValue(desc.value, 1, "The value of `desc.value` is `1`");
+assert.sameValue(desc.configurable, false, "The value of `desc.configurable` is `false`");
+assert.sameValue(desc.writable, false, "The value of `desc.writable` is `false`");
+assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+assert.sameValue(
+  Object.prototype.propertyIsEnumerable.call(obj, sym),
+  false,
+  "`Object.prototype.propertyIsEnumerable.call(obj, sym)` returns `false`"
+);
+
+assert.sameValue(delete obj[sym], false, "The result of `delete obj[sym]` is `false`");
+
+assert.notSameValue(
+  Object.getOwnPropertyDescriptor(obj, sym),
+  undefined,
+  "`Object.getOwnPropertyDescriptor(obj, sym)` does not return `undefined`"
+);
+
+obj[sym] = 2;
+
+assert.sameValue(obj[sym], 1, "The value of `obj[sym]` is `1`");
diff --git a/test/built-ins/Object/defineProperty/symbol-data-property-default-strict.js b/test/built-ins/Object/defineProperty/symbol-data-property-default-strict.js
new file mode 100644
index 0000000000..0b0bcdd6d8
--- /dev/null
+++ b/test/built-ins/Object/defineProperty/symbol-data-property-default-strict.js
@@ -0,0 +1,50 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.4
+description: >
+    Symbol used as property for default data property definition
+flags: [onlyStrict]
+---*/
+var sym = Symbol();
+var obj = {};
+
+
+Object.defineProperty(obj, sym, {
+  value: 1,
+});
+
+assert.sameValue(sym in obj, true, "The result of `sym in obj` is `true`");
+assert.sameValue(
+  Object.hasOwnProperty.call(obj, sym),
+  true,
+  "`Object.hasOwnProperty.call(obj, sym)` returns `true`"
+);
+
+var desc = Object.getOwnPropertyDescriptor(obj, sym);
+
+assert.sameValue(desc.value, 1, "The value of `desc.value` is `1`");
+assert.sameValue(desc.configurable, false, "The value of `desc.configurable` is `false`");
+assert.sameValue(desc.writable, false, "The value of `desc.writable` is `false`");
+assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+assert.sameValue(
+  Object.prototype.propertyIsEnumerable.call(obj, sym),
+  false,
+  "`Object.prototype.propertyIsEnumerable.call(obj, sym)` returns `false`"
+);
+
+assert.throws(TypeError, function() {
+  delete obj[sym];
+});
+
+assert.notSameValue(
+  Object.getOwnPropertyDescriptor(obj, sym),
+  undefined,
+  "`Object.getOwnPropertyDescriptor(obj, sym)` does not return `undefined`"
+);
+
+assert.throws(TypeError, function() {
+  obj[sym] = 2;
+});
+
+assert.sameValue(obj[sym], 1, "The value of `obj[sym]` is `1`");
diff --git a/test/built-ins/Object/defineProperty/symbol-data-property-writable-non-strict.js b/test/built-ins/Object/defineProperty/symbol-data-property-writable-non-strict.js
new file mode 100644
index 0000000000..5156206a65
--- /dev/null
+++ b/test/built-ins/Object/defineProperty/symbol-data-property-writable-non-strict.js
@@ -0,0 +1,39 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.4
+description: >
+    Symbol used as property for writable data property definition
+flags: [noStrict]
+---*/
+var sym = Symbol();
+var obj = {};
+
+
+Object.defineProperty(obj, sym, {
+  value: 1,
+  writable: true
+});
+
+assert.sameValue(sym in obj, true, "The result of `sym in obj` is `true`");
+assert.sameValue(
+  Object.hasOwnProperty.call(obj, sym),
+  true,
+  "`Object.hasOwnProperty.call(obj, sym)` returns `true`"
+);
+
+var desc = Object.getOwnPropertyDescriptor(obj, sym);
+
+assert.sameValue(desc.value, 1, "The value of `desc.value` is `1`");
+assert.sameValue(desc.configurable, false, "The value of `desc.configurable` is `false`");
+assert.sameValue(desc.writable, true, "The value of `desc.writable` is `true`");
+assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+assert.sameValue(
+  Object.prototype.propertyIsEnumerable.call(obj, sym),
+  false,
+  "`Object.prototype.propertyIsEnumerable.call(obj, sym)` returns `false`"
+);
+
+obj[sym] = 2;
+
+assert.sameValue(obj[sym], 2, "The value of `obj[sym]` is `2`");
diff --git a/test/built-ins/Object/defineProperty/symbol-data-property-writable-strict.js b/test/built-ins/Object/defineProperty/symbol-data-property-writable-strict.js
new file mode 100644
index 0000000000..d76388ad62
--- /dev/null
+++ b/test/built-ins/Object/defineProperty/symbol-data-property-writable-strict.js
@@ -0,0 +1,39 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.4
+description: >
+    Symbol used as property for writable data property definition
+flags: [onlyStrict]
+---*/
+var sym = Symbol();
+var obj = {};
+
+
+Object.defineProperty(obj, sym, {
+  value: 1,
+  writable: true
+});
+
+assert.sameValue(sym in obj, true, "The result of `sym in obj` is `true`");
+assert.sameValue(
+  Object.hasOwnProperty.call(obj, sym),
+  true,
+  "`Object.hasOwnProperty.call(obj, sym)` returns `true`"
+);
+
+var desc = Object.getOwnPropertyDescriptor(obj, sym);
+
+assert.sameValue(desc.value, 1, "The value of `desc.value` is `1`");
+assert.sameValue(desc.configurable, false, "The value of `desc.configurable` is `false`");
+assert.sameValue(desc.writable, true, "The value of `desc.writable` is `true`");
+assert.sameValue(desc.enumerable, false, "The value of `desc.enumerable` is `false`");
+assert.sameValue(
+  Object.prototype.propertyIsEnumerable.call(obj, sym),
+  false,
+  "`Object.prototype.propertyIsEnumerable.call(obj, sym)` returns `false`"
+);
+
+obj[sym] = 2;
+
+assert.sameValue(obj[sym], 2, "The value of `obj[sym]` is `2`");
diff --git a/test/built-ins/Object/freeze/frozen-object-contains-symbol-properties-non-strict.js b/test/built-ins/Object/freeze/frozen-object-contains-symbol-properties-non-strict.js
new file mode 100644
index 0000000000..34b01bd550
--- /dev/null
+++ b/test/built-ins/Object/freeze/frozen-object-contains-symbol-properties-non-strict.js
@@ -0,0 +1,15 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.5
+description: >
+    Frozen object contains symbol properties.
+flags: [noStrict]
+---*/
+var sym = Symbol();
+var obj = {};
+obj[sym] = 1;
+Object.freeze(obj);
+obj[sym] = 2;
+assert.sameValue(obj[sym], 1, "The value of `obj[sym]` is `1`");
+assert.sameValue(delete obj[sym], false, "`delete obj[sym]` is `false`");
diff --git a/test/built-ins/Object/freeze/frozen-object-contains-symbol-properties-strict.js b/test/built-ins/Object/freeze/frozen-object-contains-symbol-properties-strict.js
new file mode 100644
index 0000000000..f3c6d9747b
--- /dev/null
+++ b/test/built-ins/Object/freeze/frozen-object-contains-symbol-properties-strict.js
@@ -0,0 +1,16 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.5
+description: >
+    Frozen object contains symbol properties.
+flags: [onlyStrict]
+---*/
+var sym = Symbol("66");
+var obj = {};
+obj[sym] = 1;
+Object.freeze(obj);
+
+assert.throws(TypeError, function() {
+  obj[sym] = 2;
+});
diff --git a/test/built-ins/Object/getOwnPropertySymbols/object-contains-symbol-property-with-description.js b/test/built-ins/Object/getOwnPropertySymbols/object-contains-symbol-property-with-description.js
new file mode 100644
index 0000000000..62c7be891c
--- /dev/null
+++ b/test/built-ins/Object/getOwnPropertySymbols/object-contains-symbol-property-with-description.js
@@ -0,0 +1,19 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.8
+description: >
+    Object.getOwnPropertySymbols returns all symbol properties that have descriptions
+---*/
+
+var sym = Symbol("description");
+
+var obj = {};
+obj[sym] = 1;
+
+var syms = Object.getOwnPropertySymbols(obj);
+
+assert.sameValue(syms[0], sym, "Array of symbols returned by `Object.getOwnPropertySymbols(obj)` includes `sym`");
+assert.sameValue(syms.length, 1, "The value of `syms.length` is `1`");
+
+
diff --git a/test/built-ins/Object/getOwnPropertySymbols/object-contains-symbol-property-without-description.js b/test/built-ins/Object/getOwnPropertySymbols/object-contains-symbol-property-without-description.js
new file mode 100644
index 0000000000..90ead35aa0
--- /dev/null
+++ b/test/built-ins/Object/getOwnPropertySymbols/object-contains-symbol-property-without-description.js
@@ -0,0 +1,19 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.8
+description: >
+    Object.getOwnPropertySymbols returns all symbol properties that do not have descriptions
+---*/
+
+var sym = Symbol();
+
+var obj = {};
+obj[sym] = 1;
+
+var syms = Object.getOwnPropertySymbols(obj);
+
+assert.sameValue(syms[0], sym, "Array of symbols returned by `Object.getOwnPropertySymbols(obj)` includes `sym`");
+assert.sameValue(syms.length, 1, "The value of `syms.length` is `1`");
+
+
diff --git a/test/built-ins/Object/is/symbol-object-is-same-value.js b/test/built-ins/Object/is/symbol-object-is-same-value.js
new file mode 100644
index 0000000000..6af4d4d3ce
--- /dev/null
+++ b/test/built-ins/Object/is/symbol-object-is-same-value.js
@@ -0,0 +1,16 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 7.2.
+description: >
+    Object.is/SameValue: Symbol
+---*/
+var symA = Symbol('66');
+var symB = Symbol('66');
+
+
+assert.sameValue(Object.is(symA, symA), true, "`Object.is(symA, symA)` returns `true`");
+assert.sameValue(Object.is(symB, symB), true, "`Object.is(symB, symB)` returns `true`");
+assert.sameValue(Object.is(symA, symB), false, "`Object.is(symA, symB)` returns `false`");
+
+
diff --git a/test/built-ins/Object/preventExtensions/symbol-object-contains-symbol-properties-non-strict.js b/test/built-ins/Object/preventExtensions/symbol-object-contains-symbol-properties-non-strict.js
new file mode 100644
index 0000000000..62557ccc61
--- /dev/null
+++ b/test/built-ins/Object/preventExtensions/symbol-object-contains-symbol-properties-non-strict.js
@@ -0,0 +1,19 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Object.preventExtensions(obj) where obj contains symbol properties.
+flags: [noStrict]
+---*/
+var symA = Symbol("A");
+var symB = Symbol("B");
+var obj = {};
+obj[symA] = 1;
+Object.preventExtensions(obj);
+obj[symA] = 2;
+obj[symB] = 1;
+
+assert.sameValue(obj[symA], 2, "The value of `obj[symA]` is `2`");
+assert.sameValue(delete obj[symA], true, "`delete obj[symA]` is `true`");
+assert.sameValue(obj[symB], undefined, "The value of `obj[symB]` is `undefined`");
diff --git a/test/built-ins/Object/preventExtensions/symbol-object-contains-symbol-properties-strict.js b/test/built-ins/Object/preventExtensions/symbol-object-contains-symbol-properties-strict.js
new file mode 100644
index 0000000000..979fe67ff7
--- /dev/null
+++ b/test/built-ins/Object/preventExtensions/symbol-object-contains-symbol-properties-strict.js
@@ -0,0 +1,31 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Object.preventExtensions(obj) where obj contains symbol properties.
+flags: [onlyStrict]
+---*/
+var symA = Symbol("A");
+var symB = Symbol("B");
+var symC = Symbol("C");
+var obj = {};
+obj[symA] = 1;
+Object.preventExtensions(obj);
+obj[symA] = 2;
+
+assert.throws(TypeError, function() {
+  obj[symB] = 1;
+});
+
+assert.throws(TypeError, function() {
+  Object.defineProperty(obj, symC, { value: 1 });
+});
+
+assert.sameValue(obj[symA], 2, "The value of `obj[symA]` is `2`");
+assert.sameValue(delete obj[symA], true, "`delete obj[symA]` is `true`");
+assert.sameValue(obj[symB], undefined, "The value of `obj[symB]` is `undefined`");
+assert.sameValue(obj[symC], undefined, "The value of `obj[symC]` is `undefined`");
+
+
+
diff --git a/test/built-ins/Object/seal/symbol-object-contains-symbol-properties-non-strict.js b/test/built-ins/Object/seal/symbol-object-contains-symbol-properties-non-strict.js
new file mode 100644
index 0000000000..0b11a5d040
--- /dev/null
+++ b/test/built-ins/Object/seal/symbol-object-contains-symbol-properties-non-strict.js
@@ -0,0 +1,20 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Object.seal(obj) where obj contains symbol properties.
+flags: [noStrict]
+---*/
+var symA = Symbol("A");
+var symB = Symbol("B");
+var obj = {};
+obj[symA] = 1;
+Object.seal(obj);
+obj[symA] = 2;
+obj[symB] = 1;
+
+assert.sameValue(obj[symA], 2, "The value of `obj[symA]` is `2`");
+assert.sameValue(delete obj[symA], false, "`delete obj[symA]` is `false`");
+assert.sameValue(obj[symB], undefined, "The value of `obj[symB]` is `undefined`");
+
diff --git a/test/built-ins/Object/seal/symbol-object-contains-symbol-properties-strict.js b/test/built-ins/Object/seal/symbol-object-contains-symbol-properties-strict.js
new file mode 100644
index 0000000000..477dd8ce74
--- /dev/null
+++ b/test/built-ins/Object/seal/symbol-object-contains-symbol-properties-strict.js
@@ -0,0 +1,25 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Object.seal(obj) where obj contains symbol properties.
+flags: [onlyStrict]
+---*/
+var symA = Symbol("A");
+var symB = Symbol("B");
+var obj = {};
+obj[symA] = 1;
+Object.seal(obj);
+obj[symA] = 2;
+
+assert.sameValue(obj[symA], 2, "The value of `obj[symA]` is `2`");
+
+assert.throws(TypeError, function() {
+  delete obj[symA];
+});
+
+assert.throws(TypeError, function() {
+  obj[symB] = 1;
+});
+
diff --git a/test/built-ins/Object/symbol_object-returns-fresh-symbol.js b/test/built-ins/Object/symbol_object-returns-fresh-symbol.js
new file mode 100644
index 0000000000..ef83db90cb
--- /dev/null
+++ b/test/built-ins/Object/symbol_object-returns-fresh-symbol.js
@@ -0,0 +1,12 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.1.1_S3
+description: >
+    Object(sym) returns a fresh Symbol object
+---*/
+var symA = Symbol('A');
+var symB = Symbol();
+
+assert.notSameValue(Object(symA), symA, "The value of `Object(symA)` is not `symA`");
+assert.notSameValue(Object(symB), symB, "The value of `Object(symB)` is not `symB`");
diff --git a/test/built-ins/Symbol/species/Symbol.species.in_Promise.js b/test/built-ins/Promise/symbol-species.js
similarity index 97%
rename from test/built-ins/Symbol/species/Symbol.species.in_Promise.js
rename to test/built-ins/Promise/symbol-species.js
index 0201377b89..cfc797ce05 100644
--- a/test/built-ins/Symbol/species/Symbol.species.in_Promise.js
+++ b/test/built-ins/Promise/symbol-species.js
@@ -7,7 +7,7 @@ info: >
 es6id: 6.1.5.1
 author: Sam Mikes
 description: Promise[Symbol.species] exists per spec
-includes: 
+includes:
   - propertyHelper.js
 ---*/
 
diff --git a/test/built-ins/Symbol/species/Symbol.species.in_RegExp.js b/test/built-ins/RegExp/symbol-species.js
similarity index 97%
rename from test/built-ins/Symbol/species/Symbol.species.in_RegExp.js
rename to test/built-ins/RegExp/symbol-species.js
index 4b82e471dd..453bcdfae3 100644
--- a/test/built-ins/Symbol/species/Symbol.species.in_RegExp.js
+++ b/test/built-ins/RegExp/symbol-species.js
@@ -7,7 +7,7 @@ info: >
 es6id: 21.2.4.2
 author: Sam Mikes
 description: RegExp[Symbol.species] exists per spec
-includes: 
+includes:
   - propertyHelper.js
 ---*/
 
diff --git a/test/built-ins/Set/symbol-as-entry.js b/test/built-ins/Set/symbol-as-entry.js
new file mode 100644
index 0000000000..7faa667031
--- /dev/null
+++ b/test/built-ins/Set/symbol-as-entry.js
@@ -0,0 +1,17 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Symbol as Set entry
+features: [Set]
+---*/
+var set = new Set();
+var sym = Symbol();
+
+set.add(sym);
+
+assert.sameValue(set.size, 1, "The value of `set.size` is `1`, after executing `set.add(sym)`");
+assert.sameValue(set.has(sym), true, "`set.has(sym)` returns `true`");
+assert.sameValue(set.delete(sym), true, "`set.delete(sym)` returns `true`");
+assert.sameValue(set.size, 0, "The value of `set.size` is `0`");
diff --git a/test/built-ins/Symbol/species/Symbol.species.in_Set.js b/test/built-ins/Set/symbol-species.js
similarity index 97%
rename from test/built-ins/Symbol/species/Symbol.species.in_Set.js
rename to test/built-ins/Set/symbol-species.js
index 8568a732c0..6f9763199e 100644
--- a/test/built-ins/Symbol/species/Symbol.species.in_Set.js
+++ b/test/built-ins/Set/symbol-species.js
@@ -7,7 +7,7 @@ info: >
 es6id: 23.2.2.2
 author: Sam Mikes
 description: Set[Symbol.species] exists per spec
-includes: 
+includes:
   - propertyHelper.js
 ---*/
 
diff --git a/test/built-ins/String/symbol-string-coercion.js b/test/built-ins/String/symbol-string-coercion.js
new file mode 100644
index 0000000000..2a5881503b
--- /dev/null
+++ b/test/built-ins/String/symbol-string-coercion.js
@@ -0,0 +1,17 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4.3.2
+description: >
+    String coercion operations on Symbols
+---*/
+
+assert.throws(TypeError, function() {
+  new String(Symbol('66'));
+});
+
+assert.throws(TypeError, function() {
+  Symbol('66') + '';
+});
+
+
diff --git a/test/built-ins/Symbol/auto-boxing-non-strict.js b/test/built-ins/Symbol/auto-boxing-non-strict.js
new file mode 100644
index 0000000000..888745f3be
--- /dev/null
+++ b/test/built-ins/Symbol/auto-boxing-non-strict.js
@@ -0,0 +1,19 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Symbol ToObject auto-boxing
+flags: [noStrict]
+---*/
+
+var sym = Symbol('66');
+
+sym.a = 0;
+assert.sameValue(sym.a, undefined, "The value of `sym.a` is `undefined`, after executing `sym.a = 0;`");
+
+sym['a' + 'b'] = 0;
+assert.sameValue(sym['a' + 'b'], undefined, "The value of `sym['a' + 'b']` is `undefined`, after executing `sym['a' + 'b'] = 0;`");
+
+sym[62] = 0;
+assert.sameValue(sym[62], undefined, "The value of `sym[62]` is `undefined`, after executing `sym[62] = 0;`");
diff --git a/test/built-ins/Symbol/auto-boxing-strict.js b/test/built-ins/Symbol/auto-boxing-strict.js
new file mode 100644
index 0000000000..fd06011549
--- /dev/null
+++ b/test/built-ins/Symbol/auto-boxing-strict.js
@@ -0,0 +1,23 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Symbol ToObject auto-boxing
+flags: [onlyStrict]
+---*/
+
+assert.throws(TypeError, function() {
+  var sym = Symbol('66');
+  sym.a = 0;
+});
+
+assert.throws(TypeError, function() {
+  var sym = Symbol('66');
+  sym['a' + 'b'] = 0;
+  ;
+
+assert.throws(TypeError, function() {
+  var sym = Symbol('66');
+  sym[62] = 0;
+});
diff --git a/test/built-ins/Symbol/constructor.js b/test/built-ins/Symbol/constructor.js
new file mode 100644
index 0000000000..38fd3dc029
--- /dev/null
+++ b/test/built-ins/Symbol/constructor.js
@@ -0,0 +1,17 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4.3.1
+description: >
+    Symbol constructor
+---*/
+assert.sameValue(
+    Object.getPrototypeOf(Symbol('66')).constructor,
+    Symbol,
+    "The value of `Object.getPrototypeOf(Symbol('66')).constructor` is `Symbol`"
+);
+assert.sameValue(
+    Object.getPrototypeOf(Object(Symbol('66'))).constructor,
+    Symbol,
+    "The value of `Object.getPrototypeOf(Object(Symbol('66'))).constructor` is `Symbol`"
+);
diff --git a/test/built-ins/Symbol/prototype/@@toStringTag/@@toStringTag.js b/test/built-ins/Symbol/prototype/@@toStringTag/@@toStringTag.js
new file mode 100644
index 0000000000..90a66cec2a
--- /dev/null
+++ b/test/built-ins/Symbol/prototype/@@toStringTag/@@toStringTag.js
@@ -0,0 +1,12 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4.3.2
+description: >
+    toStringTag return value
+---*/
+assert.sameValue(
+    Object.prototype.toString.call(Symbol('66')),
+    '[object Symbol]',
+    "`Object.prototype.toString.call(Symbol('66'))` returns `'[object Symbol]'`"
+);
diff --git a/test/built-ins/Symbol/prototype/intrinsic.js b/test/built-ins/Symbol/prototype/intrinsic.js
new file mode 100644
index 0000000000..d1db43e86f
--- /dev/null
+++ b/test/built-ins/Symbol/prototype/intrinsic.js
@@ -0,0 +1,12 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4.3
+description: >
+    Symbol prototype
+---*/
+assert.sameValue(
+    Object.getPrototypeOf(Symbol('66')),
+    Symbol.prototype,
+    "`Object.getPrototypeOf(Symbol('66'))` returns `Symbol.prototype`"
+);
diff --git a/test/built-ins/Symbol/prototype/toString/toString-default-attributes-non-strict.js b/test/built-ins/Symbol/prototype/toString/toString-default-attributes-non-strict.js
new file mode 100644
index 0000000000..35804142c0
--- /dev/null
+++ b/test/built-ins/Symbol/prototype/toString/toString-default-attributes-non-strict.js
@@ -0,0 +1,16 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Symbol property get and set, non-strict
+flags: [noStrict]
+---*/
+
+var sym = Symbol('66');
+
+sym.toString = 0;
+assert.sameValue(sym.toString(), 'Symbol(66)', "`sym.toString()` returns `'Symbol(66)'`, after executing `sym.toString = 0;`");
+
+sym.valueOf = 0;
+assert.sameValue(sym, sym.valueOf(), "The value of `sym` is `sym.valueOf()`, after executing `sym.valueOf = 0;`");
diff --git a/test/built-ins/Symbol/prototype/toString/toString-default-attributes-strict.js b/test/built-ins/Symbol/prototype/toString/toString-default-attributes-strict.js
new file mode 100644
index 0000000000..e240094e81
--- /dev/null
+++ b/test/built-ins/Symbol/prototype/toString/toString-default-attributes-strict.js
@@ -0,0 +1,18 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4
+description: >
+    Symbol property get and set, strict
+flags: [onlyStrict]
+---*/
+
+var sym = Symbol("66");
+
+assert.throws(TypeError, function() {
+  sym.toString = 0;
+});
+
+assert.throws(TypeError, function() {
+  sym.valueOf = 0;
+});
diff --git a/test/built-ins/Symbol/prototype/toString/toString.js b/test/built-ins/Symbol/prototype/toString/toString.js
new file mode 100644
index 0000000000..3d1c4f7e65
--- /dev/null
+++ b/test/built-ins/Symbol/prototype/toString/toString.js
@@ -0,0 +1,27 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.4.3.2
+description: >
+    toString operations on Symbols
+---*/
+assert.sameValue(
+  String(Symbol('66')),
+  'Symbol(66)',
+  "`String(Symbol('66'))` returns `'Symbol(66)'`"
+)
+assert.sameValue(
+  Symbol('66').toString(),
+  'Symbol(66)',
+  "`Symbol('66').toString()` returns `'Symbol(66)'`"
+);
+assert.sameValue(
+  Object(Symbol('66')).toString(),
+  'Symbol(66)',
+  "`Object(Symbol('66')).toString()` returns `'Symbol(66)'`"
+);
+assert.sameValue(
+  Symbol.prototype.toString.call(Symbol('66')),
+  'Symbol(66)',
+  "`Symbol.prototype.toString.call(Symbol('66'))` returns `'Symbol(66)'`"
+);
diff --git a/test/built-ins/Symbol/species/Symbol.species.exists.js b/test/built-ins/Symbol/species/basic.js
similarity index 100%
rename from test/built-ins/Symbol/species/Symbol.species.exists.js
rename to test/built-ins/Symbol/species/basic.js
diff --git a/test/built-ins/Symbol/species/Symbol.species.builtin-getter-name.js b/test/built-ins/Symbol/species/builtin-getter-name.js
similarity index 100%
rename from test/built-ins/Symbol/species/Symbol.species.builtin-getter-name.js
rename to test/built-ins/Symbol/species/builtin-getter-name.js
diff --git a/test/built-ins/Symbol/species/Symbol.species.notChangedByExtends.js b/test/built-ins/Symbol/species/subclassing.js
similarity index 100%
rename from test/built-ins/Symbol/species/Symbol.species.notChangedByExtends.js
rename to test/built-ins/Symbol/species/subclassing.js
diff --git a/test/built-ins/WeakMap/symbol-disallowed-as-weakmap-key.js b/test/built-ins/WeakMap/symbol-disallowed-as-weakmap-key.js
new file mode 100644
index 0000000000..4ed39dfe5a
--- /dev/null
+++ b/test/built-ins/WeakMap/symbol-disallowed-as-weakmap-key.js
@@ -0,0 +1,14 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.3.3.5_S2
+description: >
+    Symbol may not be used as a WeakMap key
+features: [WeakMap]
+---*/
+var weakmap = new WeakMap();
+var sym = Symbol();
+
+assert.throws(TypeError, function() {
+  weakmap.set(sym, 1);
+});
diff --git a/test/built-ins/WeakSet/symbol-disallowed-as-weakset-key.js b/test/built-ins/WeakSet/symbol-disallowed-as-weakset-key.js
new file mode 100644
index 0000000000..64cb1862bf
--- /dev/null
+++ b/test/built-ins/WeakSet/symbol-disallowed-as-weakset-key.js
@@ -0,0 +1,16 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 23.4.3.1_S2
+description: >
+    Symbol may not be used as a WeakSet entry
+features: [WeakSet]
+---*/
+var weakset = new WeakSet();
+var sym = Symbol();
+
+assert.throws(TypeError, function() {
+  weakset.add(sym);
+});
+
+
diff --git a/test/language/expressions/conditional/symbol-conditional-evaluation.js b/test/language/expressions/conditional/symbol-conditional-evaluation.js
new file mode 100644
index 0000000000..048a3800a7
--- /dev/null
+++ b/test/language/expressions/conditional/symbol-conditional-evaluation.js
@@ -0,0 +1,11 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 12.12.3
+description: >
+    Conditional Symbol evaluation
+---*/
+var sym = Symbol();
+
+assert.sameValue(sym ? 1 : 2, 1, "`sym ? 1 : 2` is `1`");
+assert.sameValue(!sym ? 1 : 2, 2, "`!sym ? 1 : 2` is `2`");
diff --git a/test/language/expressions/equals/symbol-abstract-equality-comparison.js b/test/language/expressions/equals/symbol-abstract-equality-comparison.js
new file mode 100644
index 0000000000..cbd640bba9
--- /dev/null
+++ b/test/language/expressions/equals/symbol-abstract-equality-comparison.js
@@ -0,0 +1,20 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 7.2.12
+description: >
+    Abstract Equality Comparison: Symbol
+---*/
+var symA = Symbol('66');
+var symB = Symbol('66');
+
+assert.sameValue(symA == symA, true, "The result of `symA == symA` is `true`");
+assert.sameValue(symA == symA.valueOf(), true, "The result of `symA == symA.valueOf()` is `true`");
+assert.sameValue(symA.valueOf() == symA, true, "The result of `symA.valueOf() == symA` is `true`");
+
+assert.sameValue(symB == symB, true, "The result of `symB == symB` is `true`");
+assert.sameValue(symB == symB.valueOf(), true, "The result of `symB == symB.valueOf()` is `true`");
+assert.sameValue(symB.valueOf() == symB, true, "The result of `symB.valueOf() == symB` is `true`");
+
+assert.sameValue(symA == symB, false, "The result of `symA == symB` is `false`");
+
diff --git a/test/language/expressions/equals/symbol-strict-equality-comparison.js b/test/language/expressions/equals/symbol-strict-equality-comparison.js
new file mode 100644
index 0000000000..b83512dbae
--- /dev/null
+++ b/test/language/expressions/equals/symbol-strict-equality-comparison.js
@@ -0,0 +1,19 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 7.2.13
+description: >
+    Strict Equality Comparison: Symbol
+---*/
+var symA = Symbol('66');
+var symB = Symbol('66');
+
+assert.sameValue(symA === symA, true, "The result of `symA === symA` is `true`");
+assert.sameValue(symA === symA.valueOf(), true, "The result of `symA === symA.valueOf()` is `true`");
+assert.sameValue(symA.valueOf() === symA, true, "The result of `symA.valueOf() === symA` is `true`");
+
+assert.sameValue(symB === symB, true, "The result of `symB === symB` is `true`");
+assert.sameValue(symB === symB.valueOf(), true, "The result of `symB === symB.valueOf()` is `true`");
+assert.sameValue(symB.valueOf() === symB, true, "The result of `symB.valueOf() === symB` is `true`");
+
+assert.sameValue(symA === symB, false, "The result of `symA === symB` is `false`");
diff --git a/test/language/expressions/logical-and/symbol-logical-and-evaluation.js b/test/language/expressions/logical-and/symbol-logical-and-evaluation.js
new file mode 100644
index 0000000000..cb5d8222ee
--- /dev/null
+++ b/test/language/expressions/logical-and/symbol-logical-and-evaluation.js
@@ -0,0 +1,11 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 12.12.3
+description: >
+    "Logical AND" Symbol evaluation
+---*/
+var sym = Symbol();
+
+assert.sameValue(sym && true, true, "`sym && true` is `true`");
+assert.sameValue(!sym && false, false, "`!sym && false` is `false`");
diff --git a/test/language/expressions/logical-not/symbol-logical-not-evaluation.js b/test/language/expressions/logical-not/symbol-logical-not-evaluation.js
new file mode 100644
index 0000000000..2cebca785a
--- /dev/null
+++ b/test/language/expressions/logical-not/symbol-logical-not-evaluation.js
@@ -0,0 +1,19 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 12.5.12.1
+description: >
+    "Logical Not" coercion operation on Symbols
+---*/
+var sym = Symbol();
+
+assert.sameValue(!sym, false, "`!sym` is `false`");
+assert.sameValue(!!sym, true, "`!!sym` is `true`");
+
+if (!sym) {
+  $ERROR("ToBoolean(Symbol) always returns `true`");
+} else if (sym) {
+  assert(true, "`sym` evaluates to `true`");
+} else {
+  $ERROR("ToBoolean(Symbol) always returns `true`");
+}
diff --git a/test/language/expressions/logical-or/symbol-logical-or-evaluation.js b/test/language/expressions/logical-or/symbol-logical-or-evaluation.js
new file mode 100644
index 0000000000..ce86e19334
--- /dev/null
+++ b/test/language/expressions/logical-or/symbol-logical-or-evaluation.js
@@ -0,0 +1,11 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 12.12.3
+description: >
+    "Logical OR" Symbol evaluation
+---*/
+var sym = Symbol();
+
+assert.sameValue(!sym || true, true, "`!sym || true` is `true`");
+assert.sameValue(sym || false, sym, "`sym || false` is `sym`");
diff --git a/test/language/expressions/typeof/symbol.js b/test/language/expressions/typeof/symbol.js
new file mode 100644
index 0000000000..71403e7d8a
--- /dev/null
+++ b/test/language/expressions/typeof/symbol.js
@@ -0,0 +1,17 @@
+// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 12.5.6.1
+description: >
+    typeof Symbol() returns 'symbol'.
+    typeof Object(Symbol()) returns 'object'.
+---*/
+assert.sameValue(typeof Symbol('A'), 'symbol', "`typeof Symbol('A')` is `'symbol'`");
+assert.sameValue(typeof Symbol(), 'symbol', "`typeof Symbol()` is `'symbol'`");
+
+var symA = Symbol();
+assert.sameValue(typeof symA, 'symbol', "`typeof symA` is `'symbol'`, after executing `var symA = Symbol();`");
+
+var symB = Object(Symbol());
+assert.sameValue(typeof symB, 'object', "`typeof symB` is `'object'`, after executing `var symB = Object(Symbol());`");
+