From 54f3f23f72e99ec769caeffbba5abefac369af3e Mon Sep 17 00:00:00 2001
From: Leonardo Balter <leonardo.balter@gmail.com>
Date: Tue, 2 Jun 2015 17:54:29 -0400
Subject: [PATCH] Proxy: setPrototypeOf
---
.../boolean-trap-result-extensible-target.js | 28 ++++++++++++++
.../Proxy/setPrototypeOf/call-parameters.js | 36 ++++++++++++++++++
...nsible-target-not-same-target-prototype.js | 38 +++++++++++++++++++
...extensible-target-same-target-prototype.js | 20 ++++++++++
...t-extensible-trap-is-false-return-false.js | 19 ++++++++++
.../Proxy/setPrototypeOf/null-handler.js | 15 ++++++++
.../Proxy/setPrototypeOf/return-is-abrupt.js | 23 +++++++++++
.../setPrototypeOf/trap-is-not-callable.js | 32 ++++++++++++++++
.../Proxy/setPrototypeOf/trap-is-undefined.js | 14 +++++++
9 files changed, 225 insertions(+)
create mode 100644 test/built-ins/Proxy/setPrototypeOf/boolean-trap-result-extensible-target.js
create mode 100644 test/built-ins/Proxy/setPrototypeOf/call-parameters.js
create mode 100644 test/built-ins/Proxy/setPrototypeOf/not-extensible-target-not-same-target-prototype.js
create mode 100644 test/built-ins/Proxy/setPrototypeOf/not-extensible-target-same-target-prototype.js
create mode 100644 test/built-ins/Proxy/setPrototypeOf/not-extensible-trap-is-false-return-false.js
create mode 100644 test/built-ins/Proxy/setPrototypeOf/null-handler.js
create mode 100644 test/built-ins/Proxy/setPrototypeOf/return-is-abrupt.js
create mode 100644 test/built-ins/Proxy/setPrototypeOf/trap-is-not-callable.js
create mode 100644 test/built-ins/Proxy/setPrototypeOf/trap-is-undefined.js
diff --git a/test/built-ins/Proxy/setPrototypeOf/boolean-trap-result-extensible-target.js b/test/built-ins/Proxy/setPrototypeOf/boolean-trap-result-extensible-target.js
new file mode 100644
index 0000000000..6365345c48
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/boolean-trap-result-extensible-target.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: 9.5.2
+description: >
+ Return a boolean trap result if target is extensible.
+info: >
+ [[SetPrototypeOf]] (V)
+
+ ...
+ 13. If extensibleTarget is true, return booleanTrapResult.
+ ...
+flags: [onlyStrict]
+features: [Reflect]
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+ setPrototypeOf: function(t, v) {
+ return v.attr;
+ }
+});
+
+var result = Reflect.setPrototypeOf(p, { attr: 0 });
+assert.sameValue(result, false);
+
+result = Reflect.setPrototypeOf(p, { attr: 1 });
+assert.sameValue(result, true);
diff --git a/test/built-ins/Proxy/setPrototypeOf/call-parameters.js b/test/built-ins/Proxy/setPrototypeOf/call-parameters.js
new file mode 100644
index 0000000000..e62aa54869
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/call-parameters.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.2
+description: >
+ Trap is called with handler on its context, first parameter is target and
+ second parameter is the given value.
+info: >
+ [[SetPrototypeOf]] (V)
+
+ ...
+ 9. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target, V»)).
+ ...
+---*/
+
+var _handler, _target, _value;
+var target = {};
+var val = {foo: 1};
+var handler = {
+ setPrototypeOf: function(t, v) {
+ _handler = this;
+ _target = t;
+ _value = v;
+
+ Object.setPrototypeOf(t, v);
+
+ return true;
+ }
+};
+var p = new Proxy(target, handler);
+
+Object.setPrototypeOf(p, val);
+
+assert.sameValue(_handler, handler);
+assert.sameValue(_target, target);
+assert.sameValue(_value, val);
diff --git a/test/built-ins/Proxy/setPrototypeOf/not-extensible-target-not-same-target-prototype.js b/test/built-ins/Proxy/setPrototypeOf/not-extensible-target-not-same-target-prototype.js
new file mode 100644
index 0000000000..8d015b8703
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/not-extensible-target-not-same-target-prototype.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.2
+description: >
+ Throws a TypeError exception if boolean trap result is true, target is
+ not extensible, and the given parameter is not the same object as the target
+ prototype.
+info: >
+ [[SetPrototypeOf]] (V)
+
+ ...
+ 2. Let handler be the value of the [[ProxyHandler]] internal slot of O.
+ ...
+ 5. Let target be the value of the [[ProxyTarget]] internal slot of O.
+ 6. Let trap be GetMethod(handler, "setPrototypeOf").
+ ...
+ 9. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target, V»)).
+ 14. Let targetProto be target.[[GetPrototypeOf]]().
+ 15. ReturnIfAbrupt(targetProto).
+ 16. If booleanTrapResult is true and SameValue(V, targetProto) is false,
+ throw a TypeError exception.
+ ...
+
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+ setPrototypeOf: function(t, v) {
+ return true;
+ }
+});
+
+Object.preventExtensions(target);
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf(p, {});
+});
diff --git a/test/built-ins/Proxy/setPrototypeOf/not-extensible-target-same-target-prototype.js b/test/built-ins/Proxy/setPrototypeOf/not-extensible-target-same-target-prototype.js
new file mode 100644
index 0000000000..8af42c56a3
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/not-extensible-target-same-target-prototype.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.2
+description: >
+ Return true if boolean trap result is true, target is not extensible, and
+ given parameter is the same as target prototype.
+features: [Reflect]
+---*/
+
+var target = Object.create(Array.prototype);
+var p = new Proxy(target, {
+ setPrototypeOf: function(t, v) {
+ return true;
+ }
+});
+
+Object.preventExtensions(target);
+
+assert(Reflect.setPrototypeOf(p, Array.prototype));
diff --git a/test/built-ins/Proxy/setPrototypeOf/not-extensible-trap-is-false-return-false.js b/test/built-ins/Proxy/setPrototypeOf/not-extensible-trap-is-false-return-false.js
new file mode 100644
index 0000000000..59a2633879
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/not-extensible-trap-is-false-return-false.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.2
+description: >
+ Return false if boolean trap result is false.
+features: [Reflect]
+---*/
+
+var target = [];
+var p = new Proxy(target, {
+ setPrototypeOf: function(t, v) {
+ return false;
+ }
+});
+
+Object.preventExtensions(target);
+
+assert.sameValue(Reflect.setPrototypeOf(p, {}), false);
diff --git a/test/built-ins/Proxy/setPrototypeOf/null-handler.js b/test/built-ins/Proxy/setPrototypeOf/null-handler.js
new file mode 100644
index 0000000000..4d4a7a6b68
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/null-handler.js
@@ -0,0 +1,15 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.2
+description: >
+ Throws a TypeError exception if handler is null
+---*/
+
+var p = Proxy.revocable({},{});
+
+p.revoke();
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf(p.proxy, {});
+});
diff --git a/test/built-ins/Proxy/setPrototypeOf/return-is-abrupt.js b/test/built-ins/Proxy/setPrototypeOf/return-is-abrupt.js
new file mode 100644
index 0000000000..9675507370
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/return-is-abrupt.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.2
+description: >
+ Trap returns abrupt.
+info: >
+ [[SetPrototypeOf]] (V)
+
+ 9. Let booleanTrapResult be ToBoolean(Call(trap, handler, «target, V»)).
+ 10. ReturnIfAbrupt(booleanTrapResult).
+includes: [Test262Error.js]
+---*/
+
+var p = new Proxy({}, {
+ setPrototypeOf: function() {
+ throw new Test262Error();
+ }
+});
+
+assert.throws(Test262Error, function() {
+ Object.setPrototypeOf(p, {value: 1});
+});
diff --git a/test/built-ins/Proxy/setPrototypeOf/trap-is-not-callable.js b/test/built-ins/Proxy/setPrototypeOf/trap-is-not-callable.js
new file mode 100644
index 0000000000..a6e77ed123
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/trap-is-not-callable.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.2
+description: >
+ Throws a TypeError exception if trap is not callable.
+info: >
+ [[SetPrototypeOf]] (V)
+
+ ...
+ 2. Let handler be the value of the [[ProxyHandler]] internal slot of O.
+ ...
+ 5. Let target be the value of the [[ProxyTarget]] internal slot of O.
+ 6. Let trap be GetMethod(handler, "setPrototypeOf").
+ ...
+ 7.3.9 GetMethod (O, P)
+ ...
+ 2. Let func be GetV(O, P).
+ 5. If IsCallable(func) is false, throw a TypeError exception.
+ ...
+---*/
+
+var target = {};
+var p = new Proxy(target, {
+ setPrototypeOf: {}
+});
+
+assert.throws(TypeError, function() {
+ Object.setPrototypeOf(p, {
+ value: 1
+ });
+});
diff --git a/test/built-ins/Proxy/setPrototypeOf/trap-is-undefined.js b/test/built-ins/Proxy/setPrototypeOf/trap-is-undefined.js
new file mode 100644
index 0000000000..1dc0ef324f
--- /dev/null
+++ b/test/built-ins/Proxy/setPrototypeOf/trap-is-undefined.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 9.5.2
+description: >
+ Return target.[[SetPrototypeOf]] (V) if trap is undefined.
+---*/
+
+var target = {};
+var p = new Proxy(target, {});
+
+Object.setPrototypeOf(p, {attr: 1});
+
+assert.sameValue(target.attr, 1);
--
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