The Tor Browser: gfx/tests/gtest/TestGfxPrefs.cpp@b8a032363ba2

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

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "gtest/gtest.h"

     8 #include "gfxPrefs.h"

     9 #ifdef GFX_DECL_PREF

    10 #error "This is not supposed to be defined outside of gfxPrefs.h"

    11 #endif

    13 // If the default values for any of these preferences change,

    14 // just modify the test to match. We are only testing against

    15 // a particular value to make sure we receive the correct

    16 // result through this API.

    18 TEST(GfxPrefs, Singleton) {

    19   ASSERT_FALSE(gfxPrefs::SingletonExists());

    20   gfxPrefs::GetSingleton();

    21   ASSERT_TRUE(gfxPrefs::SingletonExists());

    22   gfxPrefs::DestroySingleton();

    23   ASSERT_FALSE(gfxPrefs::SingletonExists());

    24 }

    26 TEST(GfxPrefs, LiveValues) {

    27   ASSERT_FALSE(gfxPrefs::SingletonExists());

    28   gfxPrefs::GetSingleton();

    29   ASSERT_TRUE(gfxPrefs::SingletonExists());

    31   // Live boolean, default false

    32   ASSERT_FALSE(gfxPrefs::CanvasAzureAccelerated());

    34   // Live int32_t, default 23456

    35   ASSERT_TRUE(gfxPrefs::LayerScopePort() == 23456);

    37   // Live uint32_t, default 2

    38   ASSERT_TRUE(gfxPrefs::MSAALevel() == 2);

    40   gfxPrefs::DestroySingleton();

    41   ASSERT_FALSE(gfxPrefs::SingletonExists());

    42 }

    44 TEST(GfxPrefs, OnceValues) {

    45   ASSERT_FALSE(gfxPrefs::SingletonExists());

    46   gfxPrefs::GetSingleton();

    47   ASSERT_TRUE(gfxPrefs::SingletonExists());

    49   // Once boolean, default true

    50   ASSERT_TRUE(gfxPrefs::WorkAroundDriverBugs());

    52   // Once boolean, default false

    53   ASSERT_FALSE(gfxPrefs::LayersDump());

    55   // Once int32_t, default 95

    56   ASSERT_TRUE(gfxPrefs::CanvasSkiaGLCacheSize() == 96);

    58   // Once uint32_t, default 5

    59   ASSERT_TRUE(gfxPrefs::APZMaxVelocityQueueSize() == 5);

    61   // Once float, default -1 (should be OK with ==)

    62   ASSERT_TRUE(gfxPrefs::APZMaxVelocity() == -1.0f);

    64   gfxPrefs::DestroySingleton();

    65   ASSERT_FALSE(gfxPrefs::SingletonExists());

    66 }

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