Camera2: Automated tests for testing HAL2.0 interface

Change-Id: I1f1afd5afc346d5493d5019af35c3026efcf19b5
diff --git a/tests/camera2/CameraMetadataTests.cpp b/tests/camera2/CameraMetadataTests.cpp
new file mode 100644
index 0000000..739eba6
--- /dev/null
+++ b/tests/camera2/CameraMetadataTests.cpp
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_TAG "CameraMetadataTestFunctional"
+#include "cutils/log.h"
+#include "cutils/properties.h"
+#include "utils/Errors.h"
+
+#include "gtest/gtest.h"
+#include "system/camera_metadata.h"
+#include "hardware/hardware.h"
+#include "hardware/camera2.h"
+
+#include "Camera2Device.h"
+#include "utils/StrongPointer.h"
+
+#include <gui/CpuConsumer.h>
+#include <gui/SurfaceTextureClient.h>
+
+#include <string>
+#include "CameraStreamFixture.h"
+
+namespace android {
+namespace camera2 {
+namespace tests {
+
+//FIXME: dont hardcode
+static CameraStreamParams METADATA_STREAM_PARAMETERS = {
+    /*mCameraId*/   0,
+    /*mFormat*/     HAL_PIXEL_FORMAT_YCrCb_420_SP,
+    /*mHeapCount*/  2
+};
+
+class DISABLED_CameraMetadataTest
+    : public ::testing::Test,
+      public CameraStreamFixture {
+
+public:
+    DISABLED_CameraMetadataTest()
+    : CameraStreamFixture(METADATA_STREAM_PARAMETERS) {
+    }
+
+    ~DISABLED_CameraMetadataTest() {
+    }
+
+    int GetTypeFromTag(uint32_t tag) const {
+        return get_camera_metadata_tag_type(tag);
+    }
+
+    int GetTypeFromStaticTag(uint32_t tag) const {
+        const CameraMetadata& staticInfo = mDevice->info();
+        camera_metadata_ro_entry entry = staticInfo.find(tag);
+        return entry.type;
+    }
+
+    static void SetUpTestCase() {
+    }
+
+    static void TearDownTestCase()
+    {
+    }
+
+protected:
+
+};
+
+TEST_F(DISABLED_CameraMetadataTest, types) {
+
+    if (HasFatalFailure()) {
+        return;
+    }
+
+    //FIXME: set this up in an external file of some sort (xml?)
+    {
+        char value[PROPERTY_VALUE_MAX];
+        property_get("ro.build.id", value, "");
+        std::string str_value(value);
+
+        if (str_value == "manta")
+        {
+            EXPECT_EQ(TYPE_BYTE,
+                GetTypeFromStaticTag(ANDROID_QUIRKS_TRIGGER_AF_WITH_AUTO));
+            EXPECT_EQ(TYPE_BYTE,
+                GetTypeFromStaticTag(ANDROID_QUIRKS_USE_ZSL_FORMAT));
+            EXPECT_EQ(TYPE_BYTE,
+                GetTypeFromStaticTag(ANDROID_QUIRKS_METERING_CROP_REGION));
+        }
+    }
+
+    /*
+    TODO:
+    go through all static metadata and make sure all fields we expect
+    that are there, ARE there.
+
+    dont worry about the type as its enforced by the metadata api
+    we can probably check the range validity though
+    */
+
+    if (0) {
+        camera_metadata_ro_entry entry;
+        EXPECT_EQ(TYPE_BYTE,     entry.type);
+        EXPECT_EQ(TYPE_INT32,    entry.type);
+        EXPECT_EQ(TYPE_FLOAT,    entry.type);
+        EXPECT_EQ(TYPE_INT64,    entry.type);
+        EXPECT_EQ(TYPE_DOUBLE,   entry.type);
+        EXPECT_EQ(TYPE_RATIONAL, entry.type);
+    }
+}
+
+}
+}
+}