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/*
* Copyright 2017 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>
#import "WebRTC/RTCSessionDescription.h"
#import "ARDSDPUtils.h"
@interface ARDSDPUtilsTest : XCTestCase
@end
@implementation ARDSDPUtilsTest
- (void)testPreferVideoCodecH264 {
NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
"a=rtpmap:120 H264/90000\n"
"a=rtpmap:97 H264/90000\n");
NSString *expectedSdp = @("m=video 9 RTP/SAVPF 120 97 100 116 117 96\n"
"a=rtpmap:120 H264/90000\n"
"a=rtpmap:97 H264/90000\n");
[self preferVideoCodec:@"H264" sdp:sdp expected:expectedSdp];
}
- (void)testPreferVideoCodecVP8 {
NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
"a=rtpmap:116 VP8/90000\n");
NSString *expectedSdp = @("m=video 9 RTP/SAVPF 116 100 117 96 120 97\n"
"a=rtpmap:116 VP8/90000\n");
[self preferVideoCodec:@"VP8" sdp:sdp expected:expectedSdp];
}
- (void)testNoMLine {
NSString *sdp = @("a=rtpmap:116 VP8/90000\n");
[self preferVideoCodec:@"VP8" sdp:sdp expected:sdp];
}
- (void)testMissingCodec {
NSString *sdp = @("m=video 9 RTP/SAVPF 100 116 117 96 120 97\n"
"a=rtpmap:116 VP8/90000\n");
[self preferVideoCodec:@"foo" sdp:sdp expected:sdp];
}
#pragma mark - Helpers
- (void)preferVideoCodec:(NSString *)codec
sdp:(NSString *)sdp
expected:(NSString *)expectedSdp{
RTCSessionDescription* desc =
[[RTCSessionDescription alloc] initWithType:RTCSdpTypeOffer sdp:sdp];
RTCSessionDescription *outputDesc =
[ARDSDPUtils descriptionForDescription:desc
preferredVideoCodec:codec];
XCTAssertTrue([outputDesc.description rangeOfString:expectedSdp].location != NSNotFound);
}
@end