Add a simple EGL test

currently it just tests EGLConfig selection

Change-Id: Id9d9971012d733147dd7dc02fa2054307960235e
diff --git a/opengl/tests/EGLTest/EGL_test.cpp b/opengl/tests/EGLTest/EGL_test.cpp
new file mode 100644
index 0000000..337ad33
--- /dev/null
+++ b/opengl/tests/EGLTest/EGL_test.cpp
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include <utils/String8.h>
+
+#include <EGL/egl.h>
+
+namespace android {
+
+class EGLTest : public ::testing::Test {
+protected:
+    EGLDisplay mEglDisplay;
+
+protected:
+    EGLTest() :
+            mEglDisplay(EGL_NO_DISPLAY) {
+    }
+
+    virtual void SetUp() {
+        mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+        ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay);
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+        EGLint majorVersion;
+        EGLint minorVersion;
+        EXPECT_TRUE(eglInitialize(mEglDisplay, &majorVersion, &minorVersion));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        RecordProperty("EglVersionMajor", majorVersion);
+        RecordProperty("EglVersionMajor", minorVersion);
+    }
+
+    virtual void TearDown() {
+        EGLBoolean success = eglTerminate(mEglDisplay);
+        ASSERT_EQ(EGL_TRUE, success);
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    }
+};
+
+TEST_F(EGLTest, DISABLED_EGLConfigEightBitFirst) {
+
+    EGLint numConfigs;
+    EGLConfig config;
+    EGLBoolean success;
+    EGLint attrs[] = {
+            EGL_SURFACE_TYPE,       EGL_WINDOW_BIT,
+            EGL_RENDERABLE_TYPE,    EGL_OPENGL_ES2_BIT,
+            EGL_NONE
+    };
+
+    success = eglChooseConfig(mEglDisplay, attrs, &config, 1, &numConfigs);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_GE(numConfigs, 1);
+
+    EGLint components[3];
+
+    success = eglGetConfigAttrib(mEglDisplay, config, EGL_RED_SIZE, &components[0]);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    success = eglGetConfigAttrib(mEglDisplay, config, EGL_GREEN_SIZE, &components[1]);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    success = eglGetConfigAttrib(mEglDisplay, config, EGL_BLUE_SIZE, &components[2]);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    EXPECT_GE(components[0], 8);
+    EXPECT_GE(components[1], 8);
+    EXPECT_GE(components[2], 8);
+}
+
+TEST_F(EGLTest, EGLConfigRGBA8888First) {
+
+    EGLint numConfigs;
+    EGLConfig config;
+    EGLBoolean success;
+    EGLint attrs[] = {
+            EGL_SURFACE_TYPE,       EGL_WINDOW_BIT,
+            EGL_RENDERABLE_TYPE,    EGL_OPENGL_ES2_BIT,
+            EGL_RED_SIZE,           8,
+            EGL_GREEN_SIZE,         8,
+            EGL_BLUE_SIZE,          8,
+            EGL_ALPHA_SIZE,         8,
+            EGL_NONE
+    };
+
+    success = eglChooseConfig(mEglDisplay, attrs, &config, 1, &numConfigs);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_GE(numConfigs, 1);
+
+    EGLint components[4];
+
+    success = eglGetConfigAttrib(mEglDisplay, config, EGL_RED_SIZE, &components[0]);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    success = eglGetConfigAttrib(mEglDisplay, config, EGL_GREEN_SIZE, &components[1]);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    success = eglGetConfigAttrib(mEglDisplay, config, EGL_BLUE_SIZE, &components[2]);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    success = eglGetConfigAttrib(mEglDisplay, config, EGL_ALPHA_SIZE, &components[3]);
+    ASSERT_EQ(EGL_TRUE, success);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    EXPECT_GE(components[0], 8);
+    EXPECT_GE(components[1], 8);
+    EXPECT_GE(components[2], 8);
+    EXPECT_GE(components[3], 8);
+}
+
+
+}