Initial public commit.

mDNS and SDP are functional. Otherwise, library is still very much
a work in progress. All tests pass.

6 files changed, 555 insertions, 0 deletions

diff --git a/tests/Makefile.am b/tests/Makefile.am
new file mode 100644
index 0000000..27ebf83
--- /dev/null
+++ b/tests/Makefile.am
@@ -0,0 +1,32 @@
+# Build test programs (run with 'make check')
+TESTS = $(check_PROGRAMS)
+check_PROGRAMS = \
+	g711_test \
+	mdns_test \
+	sdp_test \
+	uuid_test
+
+g711_test_CFLAGS = -I$(top_srcdir)/src
+g711_test_SOURCES = \
+	g711_test.c \
+	$(top_srcdir)/src/g711.c \
+	$(top_srcdir)/src/g711_tables.c
+g711_test_LDADD = $(top_builddir)/src/liburtc.la
+
+mdns_test_CFLAGS = -I$(top_srcdir)/src
+mdns_test_SOURCES = \
+	mdns_test.c \
+	$(top_srcdir)/src/mdns.c
+mdns_test_LDADD = $(top_builddir)/src/liburtc.la
+
+sdp_test_CFLAGS = -I$(top_srcdir)/src
+sdp_test_SOURCES = \
+	sdp_test.c \
+	$(top_srcdir)/src/sdp.c
+sdp_test_LDADD = $(top_builddir)/src/liburtc.la
+
+uuid_test_CFLAGS = -I$(top_srcdir)/src
+uuid_test_SOURCES = \
+	uuid_test.c \
+	$(top_srcdir)/src/uuid.c
+uuid_test_LDADD = $(top_builddir)/src/liburtc.la
diff --git a/tests/g711_test.c b/tests/g711_test.c
new file mode 100644
index 0000000..2e6aa53
--- /dev/null
+++ b/tests/g711_test.c
@@ -0,0 +1,53 @@
+/*
+ * liburtc
+ * Copyright (C) 2019 Chris Hiszpanski
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "g711.h"
+
+
+int main(int argc, char **argv) {
+
+	{
+		const int16_t src[] = {
+			0,
+			4096,
+			8192,
+			-8192,
+			-4096
+		};
+		uint8_t dst[sizeof(src) / sizeof(int16_t)];
+		g711_encode(dst, src, sizeof(src) / sizeof(int16_t));
+	}
+
+	{
+		const uint8_t src[] = {
+			0x00,
+			0x7f,
+			0x80,
+			0xff,
+		};
+		int16_t dst[sizeof(src) / sizeof(uint8_t)];
+		g711_decode(dst, src, sizeof(src) / sizeof(uint8_t));
+	}
+
+	return 0;
+}
diff --git a/tests/mdns_test.c b/tests/mdns_test.c
new file mode 100644
index 0000000..8604696
--- /dev/null
+++ b/tests/mdns_test.c
@@ -0,0 +1,66 @@
+/**
+ * liburtc
+ * Copyright 2020 Chris Hiszpanski
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <stdint.h>
+
+#include "mdns.h"
+
+const uint8_t response[] = {
+	// header
+	0x00, 0x00, // transaction id
+	0x84, 0x00, // flags
+	0x00, 0x01, // questions
+	0x00, 0x02, // answer RRs
+	0x00, 0x00, // authority RRs
+	0x00, 0x00, // additional RRs
+
+	// query
+	0x07, 0x6c, 0x69, 0x62, 0x75, 0x72, 0x74, 0x63, // "liburtc"
+	0x05, 0x6c, 0x6f, 0x63, 0x61, 0x6c, // "local"
+	0x00, // root record
+	0x00, 0xff, // type: any
+	0x80, 0x01, // class: unicast | in(ternet)
+
+	// answer
+	0xc0, 0x0c, // name
+	0x00, 0x1c, // type: AAAA
+	0x00, 0x01, // class: in(ternet)
+	0x00, 0x00, 0x00, 0x0a, // ttl
+	0x00, 0x10, // size
+	0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // IPv6
+	0x72, 0x85, 0xc2, 0xff, 0xfe, 0x07, 0x1f, 0x03, // IPv6 (continued)
+
+	// answer
+	0xc0, 0x0c, // name
+	0x00, 0x01, // type: A
+	0x00, 0x01, // class: in(ternet)
+	0x00, 0x00, 0x00, 0x0a, // ttl
+	0x00, 0x04, // size
+	0xc0, 0xa8, 0x01, 0x64 // IPv4
+};
+
+int main(int argc, char **argv) {
+	assert(0 == mdns_parse_response(response, sizeof(response)));
+	return 0;
+}
diff --git a/tests/sdp_test.c b/tests/sdp_test.c
new file mode 100644
index 0000000..c5c210c
--- /dev/null
+++ b/tests/sdp_test.c
@@ -0,0 +1,328 @@
+/**
+ * liburtc
+ * Copyright 2020 Chris Hiszpanski
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "err.h"
+#include "sdp.h"
+
+// Chrome 73.0.3683.103 (Official Build) (64-bit)
+const char *chrome =
+	"v=0\n"
+	"o=- 2136573259711410686 2 IN IP4 127.0.0.1\n"
+	"s=-\n"
+	"t=0 0\n"
+	"a=group:BUNDLE 0\n"
+	"a=msid-semantic: WMS\n"
+	"m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 102 122 127 121 125 107 108 109 124 120 123 119 114 115 116\n"
+	"c=IN IP4 0.0.0.0\n"
+	"a=rtcp:9 IN IP4 0.0.0.0\n"
+	"a=ice-ufrag:DPkQ\n"
+	"a=ice-pwd:23oU5vsiyBKLHbND/Ql8f7gZ\n"
+	"a=ice-options:trickle\n"
+	"a=fingerprint:sha-256 D0:44:DF:68:71:39:56:0B:D3:61:7A:F2:42:5B:1B:0A:CD:B2:72:84:3A:DE:0F:22:CA:8C:B0:06:0A:8D:A2:00\n"
+	"a=setup:actpass\n"
+	"a=mid:0\n"
+	"a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\n"
+	"a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\n"
+	"a=extmap:4 urn:3gpp:video-orientation\n"
+	"a=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\n"
+	"a=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay\n"
+	"a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type\n"
+	"a=extmap:8 http://www.webrtc.org/experiments/rtp-hdrext/video-timing\n"
+	"a=extmap:10 http://tools.ietf.org/html/draft-ietf-avtext-framemarking-07\n"
+	"a=extmap:12 http://www.webrtc.org/experiments/rtp-hdrext/color-space\n"
+	"a=extmap:9 urn:ietf:params:rtp-hdrext:sdes:mid\n"
+	"a=extmap:13 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id\n"
+	"a=extmap:14 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id\n"
+	"a=recvonly\n"
+	"a=rtcp-mux\n"
+	"a=rtcp-rsize\n"
+	"a=rtpmap:96 VP8/90000\n"
+	"a=rtcp-fb:96 goog-remb\n"
+	"a=rtcp-fb:96 transport-cc\n"
+	"a=rtcp-fb:96 ccm fir\n"
+	"a=rtcp-fb:96 nack\n"
+	"a=rtcp-fb:96 nack pli\n"
+	"a=rtpmap:97 rtx/90000\n"
+	"a=fmtp:97 apt=96\n"
+	"a=rtpmap:98 VP9/90000\n"
+	"a=rtcp-fb:98 goog-remb\n"
+	"a=rtcp-fb:98 transport-cc\n"
+	"a=rtcp-fb:98 ccm fir\n"
+	"a=rtcp-fb:98 nack\n"
+	"a=rtcp-fb:98 nack pli\n"
+	"a=fmtp:98 profile-id=0\n"
+	"a=rtpmap:99 rtx/90000\n"
+	"a=fmtp:99 apt=98\n"
+	"a=rtpmap:100 VP9/90000\n"
+	"a=rtcp-fb:100 goog-remb\n"
+	"a=rtcp-fb:100 transport-cc\n"
+	"a=rtcp-fb:100 ccm fir\n"
+	"a=rtcp-fb:100 nack\n"
+	"a=rtcp-fb:100 nack pli\n"
+	"a=fmtp:100 profile-id=2\n"
+	"a=rtpmap:101 rtx/90000\n"
+	"a=fmtp:101 apt=100\n"
+	"a=rtpmap:102 H264/90000\n"
+	"a=rtcp-fb:102 goog-remb\n"
+	"a=rtcp-fb:102 transport-cc\n"
+	"a=rtcp-fb:102 ccm fir\n"
+	"a=rtcp-fb:102 nack\n"
+	"a=rtcp-fb:102 nack pli\n"
+	"a=fmtp:102 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f\n"
+	"a=rtpmap:122 rtx/90000\n"
+	"a=fmtp:122 apt=102\n"
+	"a=rtpmap:127 H264/90000\n"
+	"a=rtcp-fb:127 goog-remb\n"
+	"a=rtcp-fb:127 transport-cc\n"
+	"a=rtcp-fb:127 ccm fir\n"
+	"a=rtcp-fb:127 nack\n"
+	"a=rtcp-fb:127 nack pli\n"
+	"a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f\n"
+	"a=rtpmap:121 rtx/90000\n"
+	"a=fmtp:121 apt=127\n"
+	"a=rtpmap:125 H264/90000\n"
+	"a=rtcp-fb:125 goog-remb\n"
+	"a=rtcp-fb:125 transport-cc\n"
+	"a=rtcp-fb:125 ccm fir\n"
+	"a=rtcp-fb:125 nack\n"
+	"a=rtcp-fb:125 nack pli\n"
+	"a=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f\n"
+	"a=rtpmap:107 rtx/90000\n"
+	"a=fmtp:107 apt=125\n"
+	"a=rtpmap:108 H264/90000\n"
+	"a=rtcp-fb:108 goog-remb\n"
+	"a=rtcp-fb:108 transport-cc\n"
+	"a=rtcp-fb:108 ccm fir\n"
+	"a=rtcp-fb:108 nack\n"
+	"a=rtcp-fb:108 nack pli\n"
+	"a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f\n"
+	"a=rtpmap:109 rtx/90000\n"
+	"a=fmtp:109 apt=108\n"
+	"a=rtpmap:124 H264/90000\n"
+	"a=rtcp-fb:124 goog-remb\n"
+	"a=rtcp-fb:124 transport-cc\n"
+	"a=rtcp-fb:124 ccm fir\n"
+	"a=rtcp-fb:124 nack\n"
+	"a=rtcp-fb:124 nack pli\n"
+	"a=fmtp:124 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d0032\n"
+	"a=rtpmap:120 rtx/90000\n"
+	"a=fmtp:120 apt=124\n"
+	"a=rtpmap:123 H264/90000\n"
+	"a=rtcp-fb:123 goog-remb\n"
+	"a=rtcp-fb:123 transport-cc\n"
+	"a=rtcp-fb:123 ccm fir\n"
+	"a=rtcp-fb:123 nack\n"
+	"a=rtcp-fb:123 nack pli\n"
+	"a=fmtp:123 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032\n"
+	"a=rtpmap:119 rtx/90000\n"
+	"a=fmtp:119 apt=123\n"
+	"a=rtpmap:114 red/90000\n"
+	"a=rtpmap:115 rtx/90000\n"
+	"a=fmtp:115 apt=114\n"
+	"a=rtpmap:116 ulpfec/90000\n";
+
+// Safari 13.1 (14609.1.20.111.8)
+const char *safari =
+	"v=0\n"
+	"o=- 3389190485417077944 2 IN IP4 127.0.0.1\n"
+	"s=-\n"
+	"t=0 0\n"
+	"a=group:BUNDLE 0\n"
+	"a=msid-semantic: WMS\n"
+	"m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99 100 101 127 125 104\n"
+	"c=IN IP4 0.0.0.0\n"
+	"a=rtcp:9 IN IP4 0.0.0.0\n"
+	"a=ice-ufrag:yMtQ\n"
+	"a=ice-pwd:92GWQlqPVFfVjlxV2qSlQxEq\n"
+	"a=ice-options:trickle\n"
+	"a=fingerprint:sha-256 D7:41:A3:34:FC:54:27:FD:D1:2A:58:1D:9E:01:8A:C8:A9:F3:E0:BE:66:B3:D9:58:FC:7D:59:A7:BA:D6:99:F3\n"
+	"a=setup:actpass\n"
+	"a=mid:0\n"
+	"a=extmap:14 urn:ietf:params:rtp-hdrext:toffset\n"
+	"a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\n"
+	"a=extmap:13 urn:3gpp:video-orientation\n"
+	"a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\n"
+	"a=extmap:12 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay\n"
+	"a=extmap:11 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type\n"
+	"a=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-timing\n"
+	"a=extmap:8 http://tools.ietf.org/html/draft-ietf-avtext-framemarking-07\n"
+	"a=extmap:9 http://www.webrtc.org/experiments/rtp-hdrext/color-space\n"
+	"a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid\n"
+	"a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id\n"
+	"a=extmap:6 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id\n"
+	"a=sendrecv\n"
+	"a=msid:- d770ebc2-b725-4de0-8314-a76a8a67695e\n"
+	"a=rtcp-mux\n"
+	"a=rtcp-rsize\n"
+	"a=rtpmap:96 H264/90000\n"
+	"a=rtcp-fb:96 goog-remb\n"
+	"a=rtcp-fb:96 transport-cc\n"
+	"a=rtcp-fb:96 ccm fir\n"
+	"a=rtcp-fb:96 nack\n"
+	"a=rtcp-fb:96 nack pli\n"
+	"a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640c1f\n"
+	"a=rtpmap:97 rtx/90000\n"
+	"a=fmtp:97 apt=96\n"
+	"a=rtpmap:98 H264/90000\n"
+	"a=rtcp-fb:98 goog-remb\n"
+	"a=rtcp-fb:98 transport-cc\n"
+	"a=rtcp-fb:98 ccm fir\n"
+	"a=rtcp-fb:98 nack\n"
+	"a=rtcp-fb:98 nack pli\n"
+	"a=fmtp:98 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f\n"
+	"a=rtpmap:99 rtx/90000\n"
+	"a=fmtp:99 apt=98\n"
+	"a=rtpmap:100 VP8/90000\n"
+	"a=rtcp-fb:100 goog-remb\n"
+	"a=rtcp-fb:100 transport-cc\n"
+	"a=rtcp-fb:100 ccm fir\n"
+	"a=rtcp-fb:100 nack\n"
+	"a=rtcp-fb:100 nack pli\n"
+	"a=rtpmap:101 rtx/90000\n"
+	"a=fmtp:101 apt=100\n"
+	"a=rtpmap:127 red/90000\n"
+	"a=rtpmap:125 rtx/90000\n"
+	"a=fmtp:125 apt=127\n"
+	"a=rtpmap:104 ulpfec/90000\n"
+	"a=ssrc-group:FID 737915040 1139142965\n"
+	"a=ssrc:737915040 cname:uGvMyunFXUYJjCuf\n"
+	"a=ssrc:737915040 msid:- d770ebc2-b725-4de0-8314-a76a8a67695e\n"
+	"a=ssrc:737915040 mslabel:-\n"
+	"a=ssrc:737915040 label:d770ebc2-b725-4de0-8314-a76a8a67695e\n"
+	"a=ssrc:1139142965 cname:uGvMyunFXUYJjCuf\n"
+	"a=ssrc:1139142965 msid:- d770ebc2-b725-4de0-8314-a76a8a67695e\n"
+	"a=ssrc:1139142965 mslabel:-\n"
+	"a=ssrc:1139142965 label:d770ebc2-b725-4de0-8314-a76a8a67695e\n";
+
+int main(int argc, char **argv) {
+
+	// Test SDP deserialize
+	{
+		sdp_t sdp;
+		assert(-URTC_ERR_BAD_ARGUMENT == sdp_parse(&sdp, NULL));
+		assert(0 == sdp_parse(&sdp, ""));
+	}
+
+	{
+		sdp_t sdp;
+		assert(0 == sdp_parse(&sdp, chrome));
+		assert(0 == sdp.version);
+		assert(0 == sdp.start_time);
+		assert(0 == sdp.stop_time);
+
+	}
+
+	// Test parser against Chrome offer
+	{
+		sdp_t sdp;
+		assert(0 == sdp_parse(&sdp, chrome));
+		assert(0 == sdp.version);
+		assert(0 == strcmp("-", sdp.username));
+		assert(0 == strcmp("2136573259711410686", sdp.session_id));
+		assert(0 == strcmp("2", sdp.session_version));
+		assert(0 == sdp.start_time);
+		assert(0 == sdp.stop_time);
+		{
+			assert(21 == sdp.video.count);
+			assert(9 == sdp.video.port);
+			unsigned int expected_type[] = {
+				96,  97,  98,  99,  100, 101, 102, 122, 127, 121,
+				125, 107, 108, 109, 124, 120, 123, 119, 114, 115,
+				116
+			};
+			for (int i = 0; i < sdp.video.count; i++) {
+				assert(expected_type[i] == sdp.video.params[i].type);
+			}
+		}
+		assert(0 == strcmp("DPkQ", sdp.ufrag));
+		assert(0 == strcmp("23oU5vsiyBKLHbND/Ql8f7gZ", sdp.pwd));
+		assert(true == sdp.ice_options.trickle);
+		{
+			uint8_t expected_fingerprint[] = { 
+				0xD0, 0x44, 0xDF, 0x68, 0x71, 0x39, 0x56, 0x0B,
+				0xD3, 0x61, 0x7A, 0xF2, 0x42, 0x5B, 0x1B, 0x0A,
+				0xCD, 0xB2, 0x72, 0x84, 0x3A, 0xDE, 0x0F, 0x22,
+				0xCA, 0x8C, 0xB0, 0x06, 0x0A, 0x8D, 0xA2, 0x00
+			};
+			assert(0 == memcmp(sdp.fingerprint.sha256, expected_fingerprint, 32));
+		}
+		assert(SDP_MODE_RECEIVE_ONLY == sdp.mode);
+		assert(true == sdp.rtcp_mux);
+		assert(true == sdp.rtcp_rsize);
+	}
+
+	// Test parser against Safari offer
+	{
+		sdp_t sdp;
+		assert(0 == sdp_parse(&sdp, safari));
+		assert(0 == sdp.version);
+		assert(0 == strcmp("-", sdp.username));
+		assert(0 == strcmp("3389190485417077944", sdp.session_id));
+		assert(0 == strcmp("2", sdp.session_version));
+		assert(0 == sdp.start_time);
+		assert(0 == sdp.stop_time);
+		{
+			assert(9 == sdp.video.count);
+			assert(9 == sdp.video.port);
+			unsigned int expected_type[] = {
+				96, 97, 98, 99, 100, 101, 127, 125, 104
+			};
+			for (int i = 0; i < sdp.video.count; i++) {
+				assert(expected_type[i] == sdp.video.params[i].type);
+			}
+		}
+		assert(0 == strcmp("yMtQ", sdp.ufrag));
+		assert(0 == strcmp("92GWQlqPVFfVjlxV2qSlQxEq", sdp.pwd));
+		assert(true == sdp.ice_options.trickle);
+		{
+			uint8_t expected_fingerprint[] = { 
+				0xD7, 0x41, 0xA3, 0x34, 0xFC, 0x54, 0x27, 0xFD,
+				0xD1, 0x2A, 0x58, 0x1D, 0x9E, 0x01, 0x8A, 0xC8,
+				0xA9, 0xF3, 0xE0, 0xBE, 0x66, 0xB3, 0xD9, 0x58,
+				0xFC, 0x7D, 0x59, 0xA7, 0xBA, 0xD6, 0x99, 0xF3
+			};
+			assert(0 == memcmp(sdp.fingerprint.sha256, expected_fingerprint, 32));
+		}
+		assert(SDP_MODE_SEND_AND_RECEIVE == sdp.mode);
+		assert(true == sdp.rtcp_mux);
+		assert(true == sdp.rtcp_rsize);
+	}
+
+	// Test SDP serialize
+	{
+		char str[2048];
+		sdp_t sdp = {
+			.ice_options.trickle = true,
+			.rtcp_mux = true
+		};
+		assert(0 == sdp_serialize(str, sizeof(str), &sdp));
+		fprintf(stderr, "%s", str);
+	}
+
+	return 0;
+}
diff --git a/tests/str_test.c b/tests/str_test.c
new file mode 100644
index 0000000..58e6a20
--- /dev/null
+++ b/tests/str_test.c
@@ -0,0 +1,31 @@
+/*
+ * liburtc
+ * Copyright (C) 2019 Chris Hiszpanski
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "string.h"
+
+int main(int argc, char **argv) {
+	{
+		string_t *s = string_create_empty(3);
+		string_append(s, "one");
+		string_append(s, "two");
+		string_append(s, "three");
+		string_destroy(s);
+	}
+
+	return 0;
+}
diff --git a/tests/uuid_test.c b/tests/uuid_test.c
new file mode 100644
index 0000000..a515005
--- /dev/null
+++ b/tests/uuid_test.c
@@ -0,0 +1,45 @@
+/**
+ * liburtc
+ * Copyright 2020 Chris Hiszpanski
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+
+#include "uuid.h"
+
+int main(int argc, char **argv) {
+	{
+		char sa[UUID_STR_LEN];
+
+		uuid_create_str(sa);
+
+		assert(sa[ 8] == '-');
+		assert(sa[13] == '-');
+		assert(sa[14] == '4');
+		assert(sa[18] == '-');
+		assert(sa[19] == '8' || sa[19] == '9' ||
+		       sa[19] == 'a' || sa[19] == 'b');
+		assert(sa[23] == '-');
+	}
+
+	return 0;
+}