| 1 | package cz.vutbr.feec.packets.rsi; |
| 2 | |
| 3 | import junit.framework.Assert; |
| 4 | |
| 5 | import org.junit.Test; |
| 6 | |
| 7 | import cz.vutbr.feec.packets.PacketException; |
| 8 | import cz.vutbr.feec.packets.rsi.RSIPacket; |
| 9 | |
| 10 | |
| 11 | public class RsiPacketTest { |
| 12 | byte[] buf = new byte[100]; |
| 13 | |
| 14 | @Test |
| 15 | public void testAll() throws PacketException { |
| 16 | generateAndParseWithSubReportBlock(0); |
| 17 | generateAndParseWithSubReportBlock(5); |
| 18 | generateAndParse(0); |
| 19 | generateAndParse(5); |
| 20 | } |
| 21 | |
| 22 | private static final long MAX32 = 0x10000000l; |
| 23 | |
| 24 | public void generateAndParse(int offset ) throws PacketException { |
| 25 | // generate |
| 26 | RSIPacket g = new RSIPacket(); |
| 27 | // read |
| 28 | RSIPacket r = new RSIPacket(); |
| 29 | |
| 30 | g.setPadding(0); |
| 31 | Assert.assertTrue(g.getVersion() == 2); |
| 32 | g.setNTPTimeStampLeastSignificant(MAX32); |
| 33 | g.setNTPTimeStampMostSignificant(MAX32); |
| 34 | g.setSSRC(MAX32); |
| 35 | g.setSSRCSummarized(MAX32); |
| 36 | int pktLength = g.generate(buf, offset); |
| 37 | |
| 38 | int res = r.parse(buf, offset, pktLength); |
| 39 | Assert.assertTrue(pktLength == res); |
| 40 | Assert.assertTrue(r.getSSRC() == MAX32); |
| 41 | Assert.assertTrue(r.getSSRCSummarized() == MAX32); |
| 42 | Assert.assertTrue(r.getNTPTimeStampLeastSignificant() == MAX32); |
| 43 | Assert.assertTrue(r.getNTPTimeStampMostSignificant() == MAX32); |
| 44 | Assert.assertTrue(r.getLength() == g.getLength()); |
| 45 | Assert.assertTrue(g.getLength() == 4*(5-1)); |
| 46 | Assert.assertTrue(r.getLength() == 4*(5-1)); |
| 47 | Assert.assertTrue(r.getPadding() == 0); |
| 48 | Assert.assertTrue(r.getVersion() == 2); |
| 49 | Assert.assertTrue(r.getPayloadType() == 208); |
| 50 | } |
| 51 | |
| 52 | public void generateAndParseWithSubReportBlock(int offset ) throws PacketException { |
| 53 | // generate |
| 54 | RSIPacket g = new RSIPacket(); |
| 55 | // read |
| 56 | RSIPacket r = new RSIPacket(); |
| 57 | |
| 58 | |
| 59 | g.setPadding(0); |
| 60 | Assert.assertTrue(g.getVersion() == 2); |
| 61 | g.setNTPTimeStampLeastSignificant(MAX32); |
| 62 | g.setNTPTimeStampMostSignificant(MAX32); |
| 63 | g.setSSRC(MAX32); |
| 64 | g.setSSRCSummarized(MAX32); |
| 65 | g.addReportBlock(getGenericBlockJitter()); |
| 66 | int pktLength = g.generate(buf, offset); |
| 67 | |
| 68 | int res = r.parse(buf, offset, pktLength); |
| 69 | Assert.assertTrue(pktLength == res); |
| 70 | Assert.assertTrue(pktLength == 20+4*4); |
| 71 | } |
| 72 | |
| 73 | private GenericBlock getGenericBlockJitter() { |
| 74 | GenericBlock g = new GenericBlockJitter(); |
| 75 | g.setMultiplicativeFactor(1<<3); |
| 76 | g.setMaximumDistributionValue(MAX32); |
| 77 | g.setMinimumDistributionValue(MAX32); |
| 78 | g.addBucket(1); |
| 79 | Assert.assertTrue(g.getNumberOfDistributionBuckets() == 1); |
| 80 | g.addBucket(2); |
| 81 | g.addBucket(3); |
| 82 | g.addBucket(4); |
| 83 | g.addBucket(5); |
| 84 | g.addBucket(6); |
| 85 | g.addBucket(7); |
| 86 | g.addBucket(8); |
| 87 | return g; |
| 88 | } |
| 89 | } |