webrtc/api/objctests/RTCMediaConstraintsTest.mm

/*
 * libjingle
 * Copyright 2015 Google Inc.
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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#import <Foundation/Foundation.h>

#include "webrtc/base/gunit.h"

#import "webrtc/api/objc/RTCMediaConstraints.h"
#import "webrtc/api/objc/RTCMediaConstraints+Private.h"
#import "webrtc/base/objc/NSString+StdString.h"

@interface RTCMediaConstraintsTest : NSObject
- (void)testMediaConstraints;
@end

@implementation RTCMediaConstraintsTest

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

  RTCMediaConstraints *constraints = [[RTCMediaConstraints alloc]
      initWithMandatoryConstraints:mandatory
               optionalConstraints:optional];
  rtc::scoped_ptr<webrtc::MediaConstraints> nativeConstraints =
      [constraints nativeConstraints];

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

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

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

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

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

@end

TEST(RTCMediaConstraintsTest, MediaConstraintsTest) {
  @autoreleasepool {
    RTCMediaConstraintsTest *test = [[RTCMediaConstraintsTest alloc] init];
    [test testMediaConstraints];
  }
}