Merge pull request #282 from bocoup/Proxy

Add tests for Proxy

test/built-ins/Proxy/create-handler-is-revoked-proxy.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    4.  If handler is a Proxy exotic object and the value of the
+    [[ProxyHandler]] internal slot of handler is null, throw a
+    TypeError exception.
+    ...
+---*/
+
+var revocable = Proxy.revocable({}, {});
+
+revocable.revoke();
+
+assert.throws(TypeError, function() {
+    new Proxy({}, revocable.proxy);
+});

test/built-ins/Proxy/create-handler-not-object-throw-boolean.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    3. If Type(handler) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy({}, false);
+});

test/built-ins/Proxy/create-handler-not-object-throw-null.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    3. If Type(handler) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy({}, null);
+});

test/built-ins/Proxy/create-handler-not-object-throw-number.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    3. If Type(handler) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy({}, 0);
+});

test/built-ins/Proxy/create-handler-not-object-throw-string.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    3. If Type(handler) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy({}, "");
+});

test/built-ins/Proxy/create-handler-not-object-throw-symbol.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    3. If Type(handler) is not Object, throw a TypeError exception.
+    ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy({}, Symbol());
+});

test/built-ins/Proxy/create-handler-not-object-throw-undefined.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    3. If Type(handler) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy({}, undefined);
+});

test/built-ins/Proxy/create-target-is-not-callable.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: 9.5.15
+description: >
+    A Proxy exotic object is only callable if the given target is callable.
+info: >
+    Proxy ( target, handler )
+
+    7. If IsCallable(target) is true, then
+        a. Set the [[Call]] internal method of P as specified in 9.5.13.
+    ...
+
+
+    12.3.4.3 Runtime Semantics: EvaluateDirectCall( func, thisValue, arguments,
+    tailPosition )
+
+    4. If IsCallable(func) is false, throw a TypeError exception.
+---*/
+
+var p = new Proxy({}, {});
+
+assert.throws(TypeError, function() {
+    p.call();
+});

test/built-ins/Proxy/create-target-is-not-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: 9.5.15
+description: >
+    A Proxy exotic object only accepts a constructor call if target is
+    constructor.
+info: >
+    Proxy ( target, handler )
+
+    7. If IsCallable(target) is true, then
+        b. If target has a [[Construct]] internal method, then
+            i. Set the [[Construct]] internal method of P as specified in
+            9.5.14.
+    ...
+
+    12.3.3.1.1 Runtime Semantics: EvaluateNew(constructProduction, arguments)
+
+    8. If IsConstructor (constructor) is false, throw a TypeError exception.
+---*/
+
+var p = new Proxy(eval, {});
+
+p(); // the Proxy object is callable
+
+assert.throws(TypeError, function() {
+    new p();
+});

test/built-ins/Proxy/create-target-is-revoked-proxy.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    2. If target is a Proxy exotic object and the value of the
+    [[ProxyHandler]] internal slot of target is null, throw a
+    TypeError exception.
+    ...
+---*/
+
+var revocable = Proxy.revocable({}, {});
+
+revocable.revoke();
+
+assert.throws(TypeError, function() {
+    new Proxy(revocable.proxy, {});
+});

test/built-ins/Proxy/create-target-not-object-throw-boolean.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    1. If Type(target) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy(false, {});
+});

test/built-ins/Proxy/create-target-not-object-throw-null.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    1. If Type(target) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy(null, {});
+});

test/built-ins/Proxy/create-target-not-object-throw-number.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    1. If Type(target) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy(0, {});
+});

test/built-ins/Proxy/create-target-not-object-throw-string.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    1. If Type(target) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy("", {});
+});

test/built-ins/Proxy/create-target-not-object-throw-symbol.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    1. If Type(target) is not Object, throw a TypeError exception.
+    ...
+features: [Symbol]
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy(Symbol(), {});
+});

test/built-ins/Proxy/create-target-not-object-throw-undefined.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: 9.5.15
+description: >
+    Proxy ( target, handler )
+    ...
+    1. If Type(target) is not Object, throw a TypeError exception.
+    ...
+---*/
+
+assert.throws(TypeError, function() {
+    new Proxy(undefined, {});
+});

test/built-ins/Proxy/defineProperty/call-parameters.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: 9.5.6
+description: >
+    Trap is called with handler as context and parameters are target, P, and the
+    descriptor object.
+info: >
+    [[DefineOwnProperty]] (P, Desc)
+
+    ...
+    9. Let descObj be FromPropertyDescriptor(Desc).
+    10. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target, P,
+    descObj»)).
+    ...
+---*/
+
+var _handler, _target, _prop, _desc;
+var target = {};
+var descriptor = {
+    configurable: true,
+    enumerable: true,
+    writable: true,
+    value: 1
+};
+var handler = {
+    defineProperty: function(t, prop, desc) {
+        _handler = this;
+        _target = t;
+        _prop = prop;
+        _desc = desc;
+
+        return true;
+    }
+};
+var p = new Proxy(target, handler);
+
+Object.defineProperty(p, "attr", descriptor);
+
+assert.sameValue(_handler, handler);
+assert.sameValue(_target, target);
+assert.sameValue(_prop, "attr");
+
+assert.sameValue(
+    Object.keys(_desc).length, 4,
+    "descriptor arg has the same amount of keys as given descriptor"
+);
+
+assert(_desc.configurable);
+assert(_desc.writable);
+assert(_desc.enumerable);
+assert.sameValue(_desc.value, 1);

test/built-ins/Proxy/defineProperty/null-handler.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: 9.5.6
+description: >
+    Throws a TypeError exception if handler is null.
+---*/
+
+var p = Proxy.revocable({}, {});
+
+p.revoke();
+
+assert.throws(TypeError, function() {
+    Object.defineProperty(p.proxy, "foo", {
+        configurable: true,
+        enumerable: true
+    });
+});

test/built-ins/Proxy/defineProperty/return-boolean-and-define-target.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: 9.5.6
+description: >
+    If a property has a corresponding target object property then applying the
+    Property Descriptor of the property to the target object using
+    [[DefineOwnProperty]] will not throw an exception.
+features: [Reflect]
+includes: [propertyHelper.js]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+    defineProperty: function(t, prop, desc) {
+        return Object.defineProperty(t, prop, desc);
+    }
+});
+
+var result = Reflect.defineProperty(p, "attr", {
+    configurable: true,
+    enumerable: true,
+    writable: true,
+    value: 1
+});
+
+assert.sameValue(result, true, "result === true");
+
+verifyEqualTo(target, "attr", 1);
+verifyWritable(target, "attr");
+verifyEnumerable(target, "attr");
+verifyConfigurable(target, "attr");
+
+result = Reflect.defineProperty(p, "attr", {
+    configurable: false,
+    enumerable: false,
+    writable: false,
+    value: 2
+});
+
+assert.sameValue(result, true, "result === true");
+
+verifyEqualTo(target, "attr", 2);
+verifyNotWritable(target, "attr");
+verifyNotEnumerable(target, "attr");
+verifyNotConfigurable(target, "attr");

test/built-ins/Proxy/defineProperty/return-is-abrupt.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: 9.5.6
+description: >
+    Trap return is an abrupt.
+info: >
+    [[DefineOwnProperty]] (P, Desc)
+
+    ...
+    10. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target, P,
+    descObj»)).
+    11. ReturnIfAbrupt(booleanTrapResult).
+    ...
+includes: [Test262Error.js]
+---*/
+
+var p = new Proxy({}, {
+    defineProperty: function(t, prop, desc) {
+        throw new Test262Error();
+    }
+});
+
+assert.throws(Test262Error, function() {
+    Object.defineProperty(p, "foo", {});
+});