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/*
 *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#import <Foundation/Foundation.h>
#import <XCTest/XCTest.h>

#include <memory>

#include "rtc_base/gunit.h"

#import "api/peerconnection/RTCMediaConstraints+Private.h"
#import "api/peerconnection/RTCMediaConstraints.h"
#import "helpers/NSString+StdString.h"

@interface RTCMediaConstraintsTests : XCTestCase
@end

@implementation RTCMediaConstraintsTests

- (void)testMediaConstraints {
  NSDictionary *mandatory = @{@"key1": @"value1", @"key2": @"value2"};
  NSDictionary *optional = @{@"key3": @"value3", @"key4": @"value4"};

  RTC_OBJC_TYPE(RTCMediaConstraints) *constraints =
      [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:mandatory
                                                           optionalConstraints:optional];
  std::unique_ptr<webrtc::MediaConstraints> nativeConstraints =
      [constraints nativeConstraints];

  webrtc::MediaConstraints::Constraints nativeMandatory = nativeConstraints->GetMandatory();
  [self expectConstraints:mandatory inNativeConstraints:nativeMandatory];

  webrtc::MediaConstraints::Constraints nativeOptional = nativeConstraints->GetOptional();
  [self expectConstraints:optional inNativeConstraints:nativeOptional];
}

- (void)expectConstraints:(NSDictionary *)constraints
      inNativeConstraints:(webrtc::MediaConstraints::Constraints)nativeConstraints {
  EXPECT_EQ(constraints.count, nativeConstraints.size());

  for (NSString *key in constraints) {
    NSString *value = [constraints objectForKey:key];

    std::string nativeValue;
    bool found = nativeConstraints.FindFirst(key.stdString, &nativeValue);
    EXPECT_TRUE(found);
    EXPECT_EQ(value.stdString, nativeValue);
  }
}

@end