mirror of
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101 lines
4.0 KiB
C++
101 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "jsapi-tests/tests.h"
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static bool
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Getter(JSContext* cx, unsigned argc, JS::Value* vp)
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{
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JS::CallArgs args = CallArgsFromVp(argc, vp);
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args.rval().setBoolean(true);
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return true;
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}
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enum PropertyDescriptorKind {
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DataDescriptor, AccessorDescriptor
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};
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static bool
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CheckDescriptor(JS::Handle<JSPropertyDescriptor> desc, PropertyDescriptorKind kind,
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bool enumerable, bool writable, bool configurable)
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{
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if (!desc.object())
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return false;
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if (!(kind == DataDescriptor ? desc.isDataDescriptor() : desc.isAccessorDescriptor()))
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return false;
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if (desc.enumerable() != enumerable)
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return false;
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if (kind == DataDescriptor && desc.writable() != writable)
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return false;
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if (desc.configurable() != configurable)
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return false;
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return true;
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}
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BEGIN_TEST(testDefinePropertyIgnoredAttributes)
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{
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JS::RootedObject obj(cx, JS_NewPlainObject(cx));
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JS::Rooted<JSPropertyDescriptor> desc(cx);
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JS::RootedValue defineValue(cx);
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// Try a getter. Allow it to fill in the defaults. Because we're passing a
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// JSNative, JS_DefineProperty will infer JSPROP_GETTER even though we
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// aren't passing it.
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CHECK(JS_DefineProperty(cx, obj, "foo", defineValue,
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JSPROP_IGNORE_ENUMERATE | JSPROP_IGNORE_PERMANENT | JSPROP_SHARED,
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Getter));
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CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "foo", &desc));
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// Note that JSPROP_READONLY is meaningless for accessor properties.
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CHECK(CheckDescriptor(desc, AccessorDescriptor, false, true, false));
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// Install another configurable property, so we can futz with it.
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CHECK(JS_DefineProperty(cx, obj, "bar", defineValue,
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JSPROP_IGNORE_ENUMERATE | JSPROP_SHARED,
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Getter));
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CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "bar", &desc));
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CHECK(CheckDescriptor(desc, AccessorDescriptor, false, true, true));
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// Rewrite the descriptor to now be enumerable, leaving the configurability
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// unchanged.
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CHECK(JS_DefineProperty(cx, obj, "bar", defineValue,
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JSPROP_IGNORE_PERMANENT | JSPROP_ENUMERATE | JSPROP_SHARED,
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Getter));
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CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "bar", &desc));
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CHECK(CheckDescriptor(desc, AccessorDescriptor, true, true, true));
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// Now try the same game with a value property
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defineValue.setObject(*obj);
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CHECK(JS_DefineProperty(cx, obj, "baz", defineValue,
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JSPROP_IGNORE_ENUMERATE |
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JSPROP_IGNORE_READONLY |
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JSPROP_IGNORE_PERMANENT));
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CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "baz", &desc));
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CHECK(CheckDescriptor(desc, DataDescriptor, false, false, false));
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// Now again with a configurable property
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CHECK(JS_DefineProperty(cx, obj, "quux", defineValue,
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JSPROP_IGNORE_ENUMERATE | JSPROP_IGNORE_READONLY));
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CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "quux", &desc));
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CHECK(CheckDescriptor(desc, DataDescriptor, false, false, true));
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// Just make it writable. Leave the old value and everything else alone.
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defineValue.setUndefined();
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CHECK(JS_DefineProperty(cx, obj, "quux", defineValue,
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JSPROP_IGNORE_ENUMERATE |
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JSPROP_IGNORE_PERMANENT |
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JSPROP_IGNORE_VALUE));
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CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "quux", &desc));
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CHECK(CheckDescriptor(desc, DataDescriptor, false, true, true));
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CHECK_SAME(JS::ObjectValue(*obj), desc.value());
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return true;
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}
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END_TEST(testDefinePropertyIgnoredAttributes)
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