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Add Proxy tests to ensure observable semantics are maintained

This commit is contained in:
Jordan Harband 2015-12-14 17:00:33 -08:00
parent a9503d5543
commit 17e9f3aa00
2 changed files with 96 additions and 0 deletions
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48
test/built-ins/Object/entries/observable-operations.js Normal file
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// Copyright (C) 2015 Jordan Harband. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Object.entries should perform observable operations in the correct order
es7id: pending
author: Jordan Harband
features: [Proxy]
---*/
var log = "";
var object = { a: 0, b: 0, c: 0 };
var handler = {
get: function (target, propertyKey, receiver) {
assert.sameValue(target, object, "get target");
assert.sameValue(receiver, proxy, "get receiver");
log += "|get:" + propertyKey;
return target[propertyKey];
},
getOwnPropertyDescriptor: function (target, propertyKey) {
assert.sameValue(target, object, "getOwnPropertyDescriptor");
log += "|getOwnPropertyDescriptor:" + propertyKey;
return Object.getOwnPropertyDescriptor(target, propertyKey);
},
ownKeys: function (target) {
assert.sameValue(target, object, "ownKeys");
log += "|ownKeys";
return Object.getOwnPropertyNames(target);
},
deleteProperty: function (oTarget, sKey) {
throw new Test262Error('properties should not be deleted');
},
defineProperty: function (oTarget, sKey, oDesc) {
throw new Test262Error('properties should not be defined');
},
set: function (oTarget, sKey, vValue) {
throw new Test262Error('properties should not be assigned');
}
};
var check = {
get: function (target, propertyKey, receiver) {
assert(propertyKey in target, "handler check: " + propertyKey);
return target[propertyKey];
}
};
var proxy = new Proxy(object, new Proxy(handler, check));
var result = Object.entries(proxy);
assert.sameValue(log, "|ownKeys|getOwnPropertyDescriptor:a|get:a|getOwnPropertyDescriptor:b|get:b|getOwnPropertyDescriptor:c|get:c", log);

48
test/built-ins/Object/values/observable-operations.js Normal file
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// Copyright (C) 2015 Jordan Harband. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Object.values should perform observable operations in the correct order
es7id: pending
author: Jordan Harband
features: [Proxy]
---*/
var log = "";
var object = { a: 0, b: 0, c: 0 };
var handler = {
get: function (target, propertyKey, receiver) {
assert.sameValue(target, object, "get target");
assert.sameValue(receiver, proxy, "get receiver");
log += "|get:" + propertyKey;
return target[propertyKey];
},
getOwnPropertyDescriptor: function (target, propertyKey) {
assert.sameValue(target, object, "getOwnPropertyDescriptor");
log += "|getOwnPropertyDescriptor:" + propertyKey;
return Object.getOwnPropertyDescriptor(target, propertyKey);
},
ownKeys: function (target) {
assert.sameValue(target, object, "ownKeys");
log += "|ownKeys";
return Object.getOwnPropertyNames(target);
},
deleteProperty: function (oTarget, sKey) {
throw new Test262Error('properties should not be deleted');
},
defineProperty: function (oTarget, sKey, oDesc) {
throw new Test262Error('properties should not be defined');
},
set: function (oTarget, sKey, vValue) {
throw new Test262Error('properties should not be assigned');
}
};
var check = {
get: function (target, propertyKey, receiver) {
assert(propertyKey in target, "handler check: " + propertyKey);
return target[propertyKey];
}
};
var proxy = new Proxy(object, new Proxy(handler, check));
var result = Object.values(proxy);
assert.sameValue(log, "|ownKeys|getOwnPropertyDescriptor:a|get:a|getOwnPropertyDescriptor:b|get:b|getOwnPropertyDescriptor:c|get:c", log);