Added a gtest environment class to initialize the ANGLETest class window.

tests/angle_tests/ANGLETest.cpp

@@ -320,3 +320,16 @@ bool ANGLETest::destroyEGLContext()
 
     return true;
 }
+
+void ANGLETestEnvironment::SetUp()
+{
+    if (!ANGLETest::InitTestWindow())
+    {
+        FAIL() << "Failed to create ANGLE test window.";
+    }
+}
+
+void ANGLETestEnvironment::TearDown()
+{
+    ANGLETest::DestroyTestWindow();
+}

tests/angle_tests/ANGLETest.h

@@ -104,4 +104,11 @@ class ANGLETest : public testing::Test
     static EGLNativeDisplayType mNativeDisplay;
 };
 
+class ANGLETestEnvironment : public testing::Environment
+{
+  public:
+    virtual void SetUp();
+    virtual void TearDown();
+};
+
 #endif  // ANGLE_TESTS_ANGLE_TEST_H_

tests/angle_tests/angle_test_main.cpp

@@ -10,15 +10,8 @@
 
 int main(int argc, char** argv)
 {
-    if (!ANGLETest::InitTestWindow())
-    {
-        return -1;
-    }
-
     testing::InitGoogleMock(&argc, argv);
+    testing::AddGlobalTestEnvironment(new ANGLETestEnvironment());
     int rt = RUN_ALL_TESTS();
-
-    ANGLETest::DestroyTestWindow();
-
     return rt;
 }