session-ios/Signal/test/audio/SpeexCodecTest.m

#import "SpeexCodecTest.h"
#import "SpeexCodec.h"
#import "TestUtil.h"
#import "Util.h"

@implementation SpeexCodecTest
-(void) testSpeexConstantBitRate {
    NSMutableData* x1 = [NSMutableData dataWithLength:320];
    NSMutableData* x2 = [NSMutableData dataWithLength:320];
    for (NSUInteger i = 0; i < [x2 length]; i++) {
        [x2 setUint8At:i to:(uint8_t)(i & 255)];
    }

    SpeexCodec* c = [SpeexCodec speexCodec];
    NSData* e100 = [c encode:x1];
    NSData* e200 = [c encode:x2];
    test([e200 length] == [e100 length]);
}

-(void) testSpeexRoundTripMaintainsLength {
    NSMutableData* x1 = [NSMutableData dataWithLength:320];
    NSMutableData* x2 = [NSMutableData dataWithLength:320];
    for (NSUInteger i = 0; i < [x2 length]; i++) {
        [x2 setUint8At:i to:(uint8_t)(i & 255)];
    }
    
    SpeexCodec* c = [SpeexCodec speexCodec];
    NSData* e100 = [c encode:x1];
    NSData* e200 = [c encode:x2];
    NSData* d100 = [c decode:e100];
    NSData* d200 = [c decode:e200];
    test([d100 length] == [x1 length]);
    test([d200 length] == [x2 length]);
}
@end