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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/tests/gtest/TestGfxPrefs.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/tests/gtest/TestGfxPrefs.cpp')
-rw-r--r--gfx/tests/gtest/TestGfxPrefs.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/gfx/tests/gtest/TestGfxPrefs.cpp b/gfx/tests/gtest/TestGfxPrefs.cpp
new file mode 100644
index 000000000..72b698ed6
--- /dev/null
+++ b/gfx/tests/gtest/TestGfxPrefs.cpp
@@ -0,0 +1,106 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "gtest/gtest.h"
+
+#include "gfxPrefs.h"
+#ifdef GFX_DECL_PREF
+#error "This is not supposed to be defined outside of gfxPrefs.h"
+#endif
+
+// If the default values for any of these preferences change,
+// just modify the test to match. We are only testing against
+// a particular value to make sure we receive the correct
+// result through this API.
+
+TEST(GfxPrefs, Singleton) {
+ gfxPrefs::GetSingleton();
+ ASSERT_TRUE(gfxPrefs::SingletonExists());
+}
+
+TEST(GfxPrefs, LiveValues) {
+ gfxPrefs::GetSingleton();
+ ASSERT_TRUE(gfxPrefs::SingletonExists());
+
+ // Live boolean, default false
+ ASSERT_FALSE(gfxPrefs::LayersDumpTexture());
+
+ // Live int32_t, default 23456
+ ASSERT_TRUE(gfxPrefs::LayerScopePort() == 23456);
+
+ // Live uint32_t, default 2
+ ASSERT_TRUE(gfxPrefs::MSAALevel() == 2);
+}
+
+TEST(GfxPrefs, OnceValues) {
+ gfxPrefs::GetSingleton();
+ ASSERT_TRUE(gfxPrefs::SingletonExists());
+
+ // Once boolean, default true
+ ASSERT_TRUE(gfxPrefs::WorkAroundDriverBugs());
+
+ // Once boolean, default false
+ ASSERT_FALSE(gfxPrefs::LayersDump());
+
+ // Once int32_t, default 95
+ ASSERT_TRUE(gfxPrefs::CanvasSkiaGLCacheSize() == 96);
+
+ // Once uint32_t, default 5
+ ASSERT_TRUE(gfxPrefs::APZMaxVelocityQueueSize() == 5);
+
+ // Once float, default -1 (should be OK with ==)
+ ASSERT_TRUE(gfxPrefs::APZMaxVelocity() == -1.0f);
+}
+
+TEST(GfxPrefs, Set) {
+ gfxPrefs::GetSingleton();
+ ASSERT_TRUE(gfxPrefs::SingletonExists());
+
+ // Once boolean, default false
+ ASSERT_FALSE(gfxPrefs::LayersDump());
+ gfxPrefs::SetLayersDump(true);
+ ASSERT_TRUE(gfxPrefs::LayersDump());
+ gfxPrefs::SetLayersDump(false);
+ ASSERT_FALSE(gfxPrefs::LayersDump());
+
+ // Live boolean, default false
+ ASSERT_FALSE(gfxPrefs::LayersDumpTexture());
+ gfxPrefs::SetLayersDumpTexture(true);
+ ASSERT_TRUE(gfxPrefs::LayersDumpTexture());
+ gfxPrefs::SetLayersDumpTexture(false);
+ ASSERT_FALSE(gfxPrefs::LayersDumpTexture());
+
+ // Once float, default -1
+ ASSERT_TRUE(gfxPrefs::APZMaxVelocity() == -1.0f);
+ gfxPrefs::SetAPZMaxVelocity(1.75f);
+ ASSERT_TRUE(gfxPrefs::APZMaxVelocity() == 1.75f);
+ gfxPrefs::SetAPZMaxVelocity(-1.0f);
+ ASSERT_TRUE(gfxPrefs::APZMaxVelocity() == -1.0f);
+}
+
+#ifdef MOZ_CRASHREPORTER
+// Randomly test the function we use in nsExceptionHandler.cpp here:
+extern bool SimpleNoCLibDtoA(double aValue, char* aBuffer, int aBufferLength);
+TEST(GfxPrefs, StringUtility)
+{
+ char testBuffer[64];
+ double testVal[] = {13.4,
+ 3324243.42,
+ 0.332424342,
+ 864.0,
+ 86400 * 100000000.0 * 10000000000.0 * 10000000000.0 * 100.0,
+ 86400.0 * 366.0 * 100.0 + 14243.44332};
+ for (size_t i=0; i<mozilla::ArrayLength(testVal); i++) {
+ ASSERT_TRUE(SimpleNoCLibDtoA(testVal[i], testBuffer, sizeof(testBuffer)));
+ ASSERT_TRUE(fabs(1.0 - atof(testBuffer)/testVal[i]) < 0.0001);
+ }
+
+ // We do not like negative numbers (random limitation)
+ ASSERT_FALSE(SimpleNoCLibDtoA(-864.0, testBuffer, sizeof(testBuffer)));
+
+ // It won't fit into 32:
+ ASSERT_FALSE(SimpleNoCLibDtoA(testVal[4], testBuffer, sizeof(testBuffer)/2));
+}
+#endif