Add Proxy tests to ensure observable semantics are maintained

tc39 · Dec 15, 2015 · cfe707a · cfe707a
1 parent 918d8b1
commit cfe707a
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diff --git a/test/built-ins/Object/entries/observable-operations.js b/test/built-ins/Object/entries/observable-operations.js
@@ -0,0 +1,48 @@
+// 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);
diff --git a/test/built-ins/Object/values/observable-operations.js b/test/built-ins/Object/values/observable-operations.js
@@ -0,0 +1,48 @@
+// 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);