From 3fb882acd077670c5cb0ef2cd48ab82898b8ca92 Mon Sep 17 00:00:00 2001
From: Mike Pennisi <mike@mikepennisi.com>
Date: Fri, 19 Jun 2015 11:36:37 -0400
Subject: [PATCH] Add tests for Object.setPrototypeOf
---
.../built-ins/Object/setPrototypeOf/length.js | 29 +++++++++++++++
test/built-ins/Object/setPrototypeOf/name.js | 31 ++++++++++++++++
.../setPrototypeOf/o-not-obj-coercible.js | 17 +++++++++
.../Object/setPrototypeOf/o-not-obj.js | 21 +++++++++++
.../setPrototypeOf/property-descriptor.js | 17 +++++++++
.../Object/setPrototypeOf/proto-not-obj.js | 35 +++++++++++++++++++
.../Object/setPrototypeOf/set-error.js | 25 +++++++++++++
.../setPrototypeOf/set-failure-cycle.js | 21 +++++++++++
.../set-failure-non-extensible.js | 22 ++++++++++++
.../Object/setPrototypeOf/success.js | 28 +++++++++++++++
10 files changed, 246 insertions(+)
create mode 100644 test/built-ins/Object/setPrototypeOf/length.js
create mode 100644 test/built-ins/Object/setPrototypeOf/name.js
create mode 100644 test/built-ins/Object/setPrototypeOf/o-not-obj-coercible.js
create mode 100644 test/built-ins/Object/setPrototypeOf/o-not-obj.js
create mode 100644 test/built-ins/Object/setPrototypeOf/property-descriptor.js
create mode 100644 test/built-ins/Object/setPrototypeOf/proto-not-obj.js
create mode 100644 test/built-ins/Object/setPrototypeOf/set-error.js
create mode 100644 test/built-ins/Object/setPrototypeOf/set-failure-cycle.js
create mode 100644 test/built-ins/Object/setPrototypeOf/set-failure-non-extensible.js
create mode 100644 test/built-ins/Object/setPrototypeOf/success.js
diff --git a/test/built-ins/Object/setPrototypeOf/length.js b/test/built-ins/Object/setPrototypeOf/length.js
new file mode 100644
index 0000000000..122e26ce1b
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/length.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: Object.setPrototypeOf '`length` property'
+info: >
+ ES6 Section 17:
+ Every built-in Function object, including constructors, has a length
+ property whose value is an integer. Unless otherwise specified, this value
+ is equal to the largest number of named arguments shown in the subclause
+ headings for the function description, including optional parameters.
+
+ [...]
+
+ Unless otherwise specified, the length property of a built-in Function
+ object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+ [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Object.setPrototypeOf.length,
+ 2,
+ 'The value of `Object.setPrototypeOf.length` is `2`'
+);
+
+verifyNotEnumerable(Object.setPrototypeOf, 'length');
+verifyNotWritable(Object.setPrototypeOf, 'length');
+verifyConfigurable(Object.setPrototypeOf, 'length');
diff --git a/test/built-ins/Object/setPrototypeOf/name.js b/test/built-ins/Object/setPrototypeOf/name.js
new file mode 100644
index 0000000000..ca236427e7
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/name.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: Object.setPrototypeOf '`name` property'
+info: >
+ ES6 Section 17:
+
+ Every built-in Function object, including constructors, that is not
+ identified as an anonymous function has a name property whose value is a
+ String. Unless otherwise specified, this value is the name that is given to
+ the function in this specification.
+
+ [...]
+
+ Unless otherwise specified, the name property of a built-in Function
+ object, if it exists, has the attributes { [[Writable]]: false,
+ [[Enumerable]]: false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(
+ Object.setPrototypeOf.name,
+ 'setPrototypeOf',
+ 'The value of `Object.setPrototypeOf.name` is `"setPrototypeOf"`'
+);
+
+verifyNotEnumerable(Object.setPrototypeOf, 'name');
+verifyNotWritable(Object.setPrototypeOf, 'name');
+verifyConfigurable(Object.setPrototypeOf, 'name');
+
diff --git a/test/built-ins/Object/setPrototypeOf/o-not-obj-coercible.js b/test/built-ins/Object/setPrototypeOf/o-not-obj-coercible.js
new file mode 100644
index 0000000000..18f2c33e3e
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/o-not-obj-coercible.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: Object.setPrototypeOf invoked with a non-object-coercible value
+info: >
+ 1. Let O be RequireObjectCoercible(O).
+ 2. ReturnIfAbrupt(O).
+---*/
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf(null);
+});
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf(undefined);
+});
diff --git a/test/built-ins/Object/setPrototypeOf/o-not-obj.js b/test/built-ins/Object/setPrototypeOf/o-not-obj.js
new file mode 100644
index 0000000000..82893866fc
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/o-not-obj.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: Object.setPrototypeOf invoked with a non-object value
+info: >
+ 1. Let O be RequireObjectCoercible(O).
+ 2. ReturnIfAbrupt(O).
+ 3. If Type(proto) is neither Object nor Null, throw a TypeError exception.
+ 4. If Type(O) is not Object, return O.
+features: [Symbol]
+---*/
+
+var symbol;
+
+assert.sameValue(Object.setPrototypeOf(true, null), true);
+assert.sameValue(Object.setPrototypeOf(3, null), 3);
+assert.sameValue(Object.setPrototypeOf('string', null), 'string');
+
+symbol = Symbol('s');
+assert.sameValue(Object.setPrototypeOf(symbol, null), symbol);
diff --git a/test/built-ins/Object/setPrototypeOf/property-descriptor.js b/test/built-ins/Object/setPrototypeOf/property-descriptor.js
new file mode 100644
index 0000000000..41b58ab7e9
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/property-descriptor.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: Object.setPrototypeOf property descriptor
+info: >
+ Every other data property described in clauses 18 through 26 and in Annex
+ B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+ [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(typeof Object.setPrototypeOf, 'function');
+
+verifyNotEnumerable(Object, 'setPrototypeOf');
+verifyWritable(Object, 'setPrototypeOf');
+verifyConfigurable(Object, 'setPrototypeOf');
diff --git a/test/built-ins/Object/setPrototypeOf/proto-not-obj.js b/test/built-ins/Object/setPrototypeOf/proto-not-obj.js
new file mode 100644
index 0000000000..40afda2f38
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/proto-not-obj.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: Object.setPrototypeOf invoked with an invalid prototype value
+info: >
+ 1. Let O be RequireObjectCoercible(O).
+ 2. ReturnIfAbrupt(O).
+ 3. If Type(proto) is neither Object nor Null, throw a TypeError exception.
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf({});
+});
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf({}, undefined);
+});
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf({}, true);
+});
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf({}, 1);
+});
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf({}, 'string');
+});
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf({}, Symbol('s'));
+});
diff --git a/test/built-ins/Object/setPrototypeOf/set-error.js b/test/built-ins/Object/setPrototypeOf/set-error.js
new file mode 100644
index 0000000000..0ab4d5956c
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/set-error.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: >
+ Object.setPrototypeOf invoked with an object whose prototype cannot be set
+info: >
+ 1. Let O be RequireObjectCoercible(O).
+ 2. ReturnIfAbrupt(O).
+ 3. If Type(proto) is neither Object nor Null, throw a TypeError exception.
+ 4. If Type(O) is not Object, return O.
+ 5. Let status be O.[[SetPrototypeOf]](proto).
+ 6. ReturnIfAbrupt(status).
+features: [Proxy]
+---*/
+
+var obj = new Proxy({}, {
+ setPrototypeOf: function() {
+ throw new Test262Error();
+ }
+});
+
+assert.throws(Test262Error, function() {
+ Object.setPrototypeOf(obj, null);
+});
diff --git a/test/built-ins/Object/setPrototypeOf/set-failure-cycle.js b/test/built-ins/Object/setPrototypeOf/set-failure-cycle.js
new file mode 100644
index 0000000000..746fca890b
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/set-failure-cycle.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: >
+ Object.setPrototypeOf invoked with a value that would create a cycle
+info: >
+ 1. Let O be RequireObjectCoercible(O).
+ 2. ReturnIfAbrupt(O).
+ 3. If Type(proto) is neither Object nor Null, throw a TypeError exception.
+ 4. If Type(O) is not Object, return O.
+ 5. Let status be O.[[SetPrototypeOf]](proto).
+ 6. ReturnIfAbrupt(status).
+ 7. If status is false, throw a TypeError exception.
+---*/
+
+var obj = {};
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf(Object.prototype, Array.prototype);
+});
diff --git a/test/built-ins/Object/setPrototypeOf/set-failure-non-extensible.js b/test/built-ins/Object/setPrototypeOf/set-failure-non-extensible.js
new file mode 100644
index 0000000000..2c9d46a4e7
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/set-failure-non-extensible.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: Object.setPrototypeOf invoked with a non-extensible object
+info: >
+ 1. Let O be RequireObjectCoercible(O).
+ 2. ReturnIfAbrupt(O).
+ 3. If Type(proto) is neither Object nor Null, throw a TypeError exception.
+ 4. If Type(O) is not Object, return O.
+ 5. Let status be O.[[SetPrototypeOf]](proto).
+ 6. ReturnIfAbrupt(status).
+ 7. If status is false, throw a TypeError exception.
+---*/
+
+var obj = {};
+
+Object.preventExtensions(obj);
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf(obj, null);
+});
diff --git a/test/built-ins/Object/setPrototypeOf/success.js b/test/built-ins/Object/setPrototypeOf/success.js
new file mode 100644
index 0000000000..45de3a54e3
--- /dev/null
+++ b/test/built-ins/Object/setPrototypeOf/success.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 19.1.2.18
+description: Object.setPrototypeOf invoked with a non-extensible object
+info: >
+ 1. Let O be RequireObjectCoercible(O).
+ 2. ReturnIfAbrupt(O).
+ 3. If Type(proto) is neither Object nor Null, throw a TypeError exception.
+ 4. If Type(O) is not Object, return O.
+ 5. Let status be O.[[SetPrototypeOf]](proto).
+ 6. ReturnIfAbrupt(status).
+ 7. If status is false, throw a TypeError exception.
+ 8. Return O.
+---*/
+
+var propValue = {};
+var newProto = {
+ test262prop: propValue
+};
+var obj = {};
+var result;
+
+result = Object.setPrototypeOf(obj, newProto);
+
+assert.sameValue(result, obj, 'Return value');
+assert.sameValue(Object.hasOwnProperty.call(obj, 'test262prop'), false);
+assert.sameValue(obj.test262prop, propValue);
--
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