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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "jsapi-tests/tests.h"
static bool Getter(JSContext* cx, unsigned argc, JS::Value* vp) {
JS::CallArgs args = CallArgsFromVp(argc, vp);
args.rval().setBoolean(true);
return true;
}
enum PropertyDescriptorKind { DataDescriptor, AccessorDescriptor };
static bool CheckDescriptor(JS::Handle<JS::PropertyDescriptor> desc,
PropertyDescriptorKind kind, bool enumerable,
bool writable, bool configurable) {
if (!desc.object()) {
return false;
}
if (!(kind == DataDescriptor ? desc.isDataDescriptor()
: desc.isAccessorDescriptor())) {
return false;
}
if (desc.enumerable() != enumerable) {
return false;
}
if (kind == DataDescriptor && desc.writable() != writable) {
return false;
}
if (desc.configurable() != configurable) {
return false;
}
return true;
}
BEGIN_TEST(testDefinePropertyIgnoredAttributes) {
JS::RootedObject obj(cx, JS_NewPlainObject(cx));
JS::Rooted<JS::PropertyDescriptor> desc(cx);
JS::RootedValue defineValue(cx);
// Try a getter. Allow it to fill in the defaults. Because we're passing a
// JSNative, JS_DefineProperty will infer JSPROP_GETTER even though we
// aren't passing it.
CHECK(JS_DefineProperty(cx, obj, "foo", Getter, nullptr,
JSPROP_IGNORE_ENUMERATE | JSPROP_IGNORE_PERMANENT));
CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "foo", &desc));
// Note that JSPROP_READONLY is meaningless for accessor properties.
CHECK(CheckDescriptor(desc, AccessorDescriptor, false, true, false));
// Install another configurable property, so we can futz with it.
CHECK(JS_DefineProperty(cx, obj, "bar", Getter, nullptr,
JSPROP_IGNORE_ENUMERATE));
CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "bar", &desc));
CHECK(CheckDescriptor(desc, AccessorDescriptor, false, true, true));
// Rewrite the descriptor to now be enumerable, leaving the configurability
// unchanged.
CHECK(JS_DefineProperty(cx, obj, "bar", Getter, nullptr,
JSPROP_IGNORE_PERMANENT | JSPROP_ENUMERATE));
CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "bar", &desc));
CHECK(CheckDescriptor(desc, AccessorDescriptor, true, true, true));
// Now try the same game with a value property
defineValue.setObject(*obj);
CHECK(JS_DefineProperty(cx, obj, "baz", defineValue,
JSPROP_IGNORE_ENUMERATE | JSPROP_IGNORE_READONLY |
JSPROP_IGNORE_PERMANENT));
CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "baz", &desc));
CHECK(CheckDescriptor(desc, DataDescriptor, false, false, false));
// Now again with a configurable property
CHECK(JS_DefineProperty(cx, obj, "quux", defineValue,
JSPROP_IGNORE_ENUMERATE | JSPROP_IGNORE_READONLY));
CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "quux", &desc));
CHECK(CheckDescriptor(desc, DataDescriptor, false, false, true));
// Just make it writable. Leave the old value and everything else alone.
defineValue.setUndefined();
CHECK(JS_DefineProperty(
cx, obj, "quux", defineValue,
JSPROP_IGNORE_ENUMERATE | JSPROP_IGNORE_PERMANENT | JSPROP_IGNORE_VALUE));
CHECK(JS_GetOwnPropertyDescriptor(cx, obj, "quux", &desc));
CHECK(CheckDescriptor(desc, DataDescriptor, false, true, true));
CHECK_SAME(JS::ObjectValue(*obj), desc.value());
return true;
}
END_TEST(testDefinePropertyIgnoredAttributes)
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