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js/src/jsapi-tests/testSetPropertyIgnoringNamedGetter.cpp@b8a032363ba2 (annotated)

js/src/jsapi-tests/testSetPropertyIgnoringNamedGetter.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 22 Jan 2015 13:21:57 +0100

branch

TOR_BUG_9701

changeset 15

b8a032363ba2

permissions

-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0	1	/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0	2	* vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0	3	*/
michael@0	4
michael@0	5	#include "jsfriendapi.h"
michael@0	6	#include "jsproxy.h"
michael@0	7
michael@0	8	#include "jsapi-tests/tests.h"
michael@0	9
michael@0	10	using namespace js;
michael@0	11	using namespace JS;
michael@0	12
michael@0	13	class CustomProxyHandler : public DirectProxyHandler {
michael@0	14	public:
michael@0	15	CustomProxyHandler() : DirectProxyHandler(nullptr) {}
michael@0	16
michael@0	17	bool getPropertyDescriptor(JSContext *cx, HandleObject proxy, HandleId id,
michael@0	18	MutableHandle<JSPropertyDescriptor> desc) MOZ_OVERRIDE
michael@0	19	{
michael@0	20	return impl(cx, proxy, id, desc, false);
michael@0	21	}
michael@0	22
michael@0	23	bool getOwnPropertyDescriptor(JSContext *cx, HandleObject proxy, HandleId id,
michael@0	24	MutableHandle<JSPropertyDescriptor> desc) MOZ_OVERRIDE
michael@0	25	{
michael@0	26	return impl(cx, proxy, id, desc, true);
michael@0	27	}
michael@0	28
michael@0	29	bool set(JSContext *cx, HandleObject proxy, HandleObject receiver,
michael@0	30	HandleId id, bool strict, MutableHandleValue vp) MOZ_OVERRIDE
michael@0	31	{
michael@0	32	Rooted<JSPropertyDescriptor> desc(cx);
michael@0	33	if (!DirectProxyHandler::getPropertyDescriptor(cx, proxy, id, &desc))
michael@0	34	return false;
michael@0	35	return SetPropertyIgnoringNamedGetter(cx, this, proxy, receiver, id, &desc,
michael@0	36	desc.object() == proxy, strict, vp);
michael@0	37	}
michael@0	38
michael@0	39	private:
michael@0	40	bool impl(JSContext *cx, HandleObject proxy, HandleId id,
michael@0	41	MutableHandle<JSPropertyDescriptor> desc, bool ownOnly)
michael@0	42	{
michael@0	43	if (JSID_IS_STRING(id)) {
michael@0	44	bool match;
michael@0	45	if (!JS_StringEqualsAscii(cx, JSID_TO_STRING(id), "phantom", &match))
michael@0	46	return false;
michael@0	47	if (match) {
michael@0	48	desc.object().set(proxy);
michael@0	49	desc.attributesRef() = JSPROP_READONLY | JSPROP_ENUMERATE;
michael@0	50	desc.value().setInt32(42);
michael@0	51	return true;
michael@0	52	}
michael@0	53	}
michael@0	54
michael@0	55	if (ownOnly)
michael@0	56	return DirectProxyHandler::getOwnPropertyDescriptor(cx, proxy, id, desc);
michael@0	57	return DirectProxyHandler::getPropertyDescriptor(cx, proxy, id, desc);
michael@0	58	}
michael@0	59
michael@0	60	};
michael@0	61
michael@0	62	CustomProxyHandler customProxyHandler;
michael@0	63
michael@0	64
michael@0	65	BEGIN_TEST(testSetPropertyIgnoringNamedGetter_direct)
michael@0	66	{
michael@0	67	RootedValue protov(cx);
michael@0	68	EVAL("Object.prototype", &protov);
michael@0	69
michael@0	70	RootedValue targetv(cx);
michael@0	71	EVAL("({})", &targetv);
michael@0	72
michael@0	73	RootedObject proxyObj(cx, NewProxyObject(cx, &customProxyHandler, targetv,
michael@0	74	&protov.toObject(), global, ProxyOptions()));
michael@0	75	CHECK(proxyObj);
michael@0	76
michael@0	77	CHECK(JS_DefineProperty(cx, global, "target", targetv, 0));
michael@0	78	CHECK(JS_DefineProperty(cx, global, "proxy", proxyObj, 0));
michael@0	79
michael@0	80	RootedValue v(cx);
michael@0	81	EVAL("Object.getOwnPropertyDescriptor(proxy, 'phantom').value", &v);
michael@0	82	CHECK_SAME(v, Int32Value(42));
michael@0	83
michael@0	84	EXEC("proxy.phantom = 123");
michael@0	85	EVAL("Object.getOwnPropertyDescriptor(proxy, 'phantom').value", &v);
michael@0	86	CHECK_SAME(v, Int32Value(42));
michael@0	87	EVAL("target.phantom", &v);
michael@0	88	CHECK_SAME(v, Int32Value(123));
michael@0	89
michael@0	90	return true;
michael@0	91	}
michael@0	92	END_TEST(testSetPropertyIgnoringNamedGetter_direct)