/*
 * Copyright (C) 2016 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 "default_option_delegate.h"

#include <memory>

#include <gtest/gtest.h>
#include <hardware/camera3.h>

using testing::Test;

namespace v4l2_camera_hal {

class DefaultOptionDelegateTest : public Test {
 protected:
  virtual void SetUp() {
    dut_.reset(new DefaultOptionDelegate<int>(defaults_));
  }

  std::unique_ptr<DefaultOptionDelegate<int>> dut_;
  std::map<int, int> defaults_{{CAMERA3_TEMPLATE_STILL_CAPTURE, 10},
                               {OTHER_TEMPLATES, 20},
                               {CAMERA3_TEMPLATE_VIDEO_SNAPSHOT, 30}};
};

TEST_F(DefaultOptionDelegateTest, SpecificDefault) {
  int actual = 0;
  EXPECT_TRUE(
      dut_->DefaultValueForTemplate(CAMERA3_TEMPLATE_STILL_CAPTURE, &actual));
  EXPECT_EQ(actual, defaults_[CAMERA3_TEMPLATE_STILL_CAPTURE]);
}

TEST_F(DefaultOptionDelegateTest, GeneralDefault) {
  int actual = 0;
  // No ZSL default; should fall back to the OTHER_TEMPLATES default.
  EXPECT_TRUE(dut_->DefaultValueForTemplate(CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG,
                                            &actual));
  EXPECT_EQ(actual, defaults_[OTHER_TEMPLATES]);
}

TEST_F(DefaultOptionDelegateTest, NoDefaults) {
  dut_.reset(new DefaultOptionDelegate<int>({}));
  int actual = 0;
  EXPECT_FALSE(dut_->DefaultValueForTemplate(CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG,
                                             &actual));
}

}  // namespace v4l2_camera_hal