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gfx/tests/gtest/gfxWordCacheTest.cpp@129ffea94266 (annotated)

gfx/tests/gtest/gfxWordCacheTest.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1	/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0	2	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	#include "gtest/gtest.h"
michael@0	7
michael@0	8	#include "nsCOMPtr.h"
michael@0	9	#include "nsTArray.h"
michael@0	10	#include "nsString.h"
michael@0	11	#include "nsDependentString.h"
michael@0	12
michael@0	13	#include "prinrval.h"
michael@0	14
michael@0	15	#include "gfxContext.h"
michael@0	16	#include "gfxFont.h"
michael@0	17	#include "gfxPlatform.h"
michael@0	18
michael@0	19	#include "gfxFontTest.h"
michael@0	20	#include "mozilla/Attributes.h"
michael@0	21
michael@0	22	class FrameTextRunCache;
michael@0	23
michael@0	24	static FrameTextRunCache *gTextRuns = nullptr;
michael@0	25
michael@0	26	/*
michael@0	27	* Cache textruns and expire them after 3*10 seconds of no use.
michael@0	28	*/
michael@0	29	class FrameTextRunCache MOZ_FINAL : public nsExpirationTracker<gfxTextRun,3> {
michael@0	30	public:
michael@0	31	enum { TIMEOUT_SECONDS = 10 };
michael@0	32	FrameTextRunCache()
michael@0	33	: nsExpirationTracker<gfxTextRun,3>(TIMEOUT_SECONDS*1000) {}
michael@0	34	~FrameTextRunCache() {
michael@0	35	AgeAllGenerations();
michael@0	36	}
michael@0	37
michael@0	38	void RemoveFromCache(gfxTextRun* aTextRun) {
michael@0	39	if (aTextRun->GetExpirationState()->IsTracked()) {
michael@0	40	RemoveObject(aTextRun);
michael@0	41	}
michael@0	42	}
michael@0	43
michael@0	44	// This gets called when the timeout has expired on a gfxTextRun
michael@0	45	virtual void NotifyExpired(gfxTextRun* aTextRun) {
michael@0	46	RemoveFromCache(aTextRun);
michael@0	47	delete aTextRun;
michael@0	48	}
michael@0	49	};
michael@0	50
michael@0	51	static gfxTextRun *
michael@0	52	MakeTextRun(const char16_t *aText, uint32_t aLength,
michael@0	53	gfxFontGroup *aFontGroup, const gfxFontGroup::Parameters* aParams,
michael@0	54	uint32_t aFlags)
michael@0	55	{
michael@0	56	nsAutoPtr<gfxTextRun> textRun;
michael@0	57	if (aLength == 0) {
michael@0	58	abort();
michael@0	59	//textRun = aFontGroup->MakeEmptyTextRun(aParams, aFlags);
michael@0	60	} else if (aLength == 1 && aText[0] == ' ') {
michael@0	61	abort();
michael@0	62	//textRun = aFontGroup->MakeSpaceTextRun(aParams, aFlags);
michael@0	63	} else {
michael@0	64	textRun = aFontGroup->MakeTextRun(aText, aLength, aParams, aFlags);
michael@0	65	}
michael@0	66	if (!textRun)
michael@0	67	return nullptr;
michael@0	68	nsresult rv = gTextRuns->AddObject(textRun);
michael@0	69	if (NS_FAILED(rv)) {
michael@0	70	gTextRuns->RemoveFromCache(textRun);
michael@0	71	return nullptr;
michael@0	72	}
michael@0	73	return textRun.forget();
michael@0	74	}
michael@0	75
michael@0	76	static already_AddRefed<gfxContext>
michael@0	77	MakeContext ()
michael@0	78	{
michael@0	79	const int size = 200;
michael@0	80
michael@0	81	nsRefPtr<gfxASurface> surface;
michael@0	82
michael@0	83	surface = gfxPlatform::GetPlatform()->
michael@0	84	CreateOffscreenSurface(IntSize(size, size),
michael@0	85	gfxASurface::ContentFromFormat(gfxImageFormat::RGB24));
michael@0	86	nsRefPtr<gfxContext> ctx = new gfxContext(surface);
michael@0	87	return ctx.forget();
michael@0	88	}
michael@0	89
michael@0	90	TEST(Gfx, WordCache) {
michael@0	91	gTextRuns = new FrameTextRunCache();
michael@0	92
michael@0	93	nsRefPtr<gfxContext> ctx = MakeContext();
michael@0	94	{
michael@0	95	gfxFontStyle style (mozilla::gfx::FontStyle::NORMAL,
michael@0	96	139,
michael@0	97	10.0,
michael@0	98	0,
michael@0	99	NS_NewPermanentAtom(NS_LITERAL_STRING("en")),
michael@0	100	0.0,
michael@0	101	false, false,
michael@0	102	NS_LITERAL_STRING(""));
michael@0	103
michael@0	104	nsRefPtr<gfxFontGroup> fontGroup =
michael@0	105	gfxPlatform::GetPlatform()->CreateFontGroup(NS_LITERAL_STRING("Geneva, MS Sans Serif, Helvetica,serif"), &style, nullptr);
michael@0	106
michael@0	107	gfxTextRunFactory::Parameters params = {
michael@0	108	ctx, nullptr, nullptr, nullptr, 0, 60
michael@0	109	};
michael@0	110
michael@0	111	uint32_t flags = gfxTextRunFactory::TEXT_IS_PERSISTENT;
michael@0	112
michael@0	113	// First load an Arabic word into the cache
michael@0	114	const char cString[] = "\xd8\xaa\xd9\x85";
michael@0	115	nsDependentCString cStr(cString);
michael@0	116	NS_ConvertUTF8toUTF16 str(cStr);
michael@0	117	gfxTextRun *tr = MakeTextRun(str.get(), str.Length(), fontGroup, &params, flags);
michael@0	118	tr->GetAdvanceWidth(0, str.Length(), nullptr);
michael@0	119
michael@0	120	// Now try to trigger an assertion with a word cache bug. The first
michael@0	121	// word is in the cache so it gets added to the new textrun directly.
michael@0	122	// The second word is not in the cache
michael@0	123	const char cString2[] = "\xd8\xaa\xd9\x85\n\xd8\xaa\xd8\x85 ";
michael@0	124	nsDependentCString cStr2(cString2);
michael@0	125	NS_ConvertUTF8toUTF16 str2(cStr2);
michael@0	126	gfxTextRun *tr2 = MakeTextRun(str2.get(), str2.Length(), fontGroup, &params, flags);
michael@0	127	tr2->GetAdvanceWidth(0, str2.Length(), nullptr);
michael@0	128	}
michael@0	129
michael@0	130	delete gTextRuns;
michael@0	131	gTextRuns = nullptr;
michael@0	132
michael@0	133	}