Add directory with unit tests

Includes tests for SS parser, utility functions and SMS PDU
decoder / encoder utilities.

1 files changed, 629 insertions, 0 deletions

diff --git a/unit/test-util.c b/unit/test-util.c
new file mode 100644
index 00000000..11cd6b3a
--- /dev/null
+++ b/unit/test-util.c
@@ -0,0 +1,629 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2009  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <assert.h>
+#include <glib.h>
+
+#include "util.h"
+
+const unsigned char invalid_gsm_extended[] = {
+	0x1b, 0x15
+};
+
+const unsigned char invalid_gsm_extended_len[] = {
+	0x1b, 0x28, 0x1b
+};
+
+unsigned short gsm_to_unicode_map[] =
+{
+0x00,	0x0040,
+0x01,	0x00A3,
+0x02,	0x0024,
+0x03,	0x00A5,
+0x04,	0x00E8,
+0x05,	0x00E9,
+0x06,	0x00F9,
+0x07,	0x00EC,
+0x08,	0x00F2,
+0x09,	0x00E7,
+0x0A,	0x000A,
+0x0B,	0x00D8,
+0x0C,	0x00F8,
+0x0D,	0x000D,
+0x0E,	0x00C5,
+0x0F,	0x00E5,
+0x10,	0x0394,
+0x11,	0x005F,
+0x12,	0x03A6,
+0x13,	0x0393,
+0x14,	0x039B,
+0x15,	0x03A9,
+0x16,	0x03A0,
+0x17,	0x03A8,
+0x18,	0x03A3,
+0x19,	0x0398,
+0x1A,	0x039E,
+/*0x1B,	0x00A0,*/
+0x1B0A,	0x000C,
+0x1B14,	0x005E,
+0x1B28,	0x007B,
+0x1B29,	0x007D,
+0x1B2F,	0x005C,
+0x1B3C,	0x005B,
+0x1B3D,	0x007E,
+0x1B3E,	0x005D,
+0x1B40,	0x007C,
+0x1B65,	0x20AC,
+0x1C,	0x00C6,
+0x1D,	0x00E6,
+0x1E,	0x00DF,
+0x1F,	0x00C9,
+0x20,	0x0020,
+0x21,	0x0021,
+0x22,	0x0022,
+0x23,	0x0023,
+0x24,	0x00A4,
+0x25,	0x0025,
+0x26,	0x0026,
+0x27,	0x0027,
+0x28,	0x0028,
+0x29,	0x0029,
+0x2A,	0x002A,
+0x2B,	0x002B,
+0x2C,	0x002C,
+0x2D,	0x002D,
+0x2E,	0x002E,
+0x2F,	0x002F,
+0x30,	0x0030,
+0x31,	0x0031,
+0x32,	0x0032,
+0x33,	0x0033,
+0x34,	0x0034,
+0x35,	0x0035,
+0x36,	0x0036,
+0x37,	0x0037,
+0x38,	0x0038,
+0x39,	0x0039,
+0x3A,	0x003A,
+0x3B,	0x003B,
+0x3C,	0x003C,
+0x3D,	0x003D,
+0x3E,	0x003E,
+0x3F,	0x003F,
+0x40,	0x00A1,
+0x41,	0x0041,
+0x42,	0x0042,
+0x43,	0x0043,
+0x44,	0x0044,
+0x45,	0x0045,
+0x46,	0x0046,
+0x47,	0x0047,
+0x48,	0x0048,
+0x49,	0x0049,
+0x4A,	0x004A,
+0x4B,	0x004B,
+0x4C,	0x004C,
+0x4D,	0x004D,
+0x4E,	0x004E,
+0x4F,	0x004F,
+0x50,	0x0050,
+0x51,	0x0051,
+0x52,	0x0052,
+0x53,	0x0053,
+0x54,	0x0054,
+0x55,	0x0055,
+0x56,	0x0056,
+0x57,	0x0057,
+0x58,	0x0058,
+0x59,	0x0059,
+0x5A,	0x005A,
+0x5B,	0x00C4,
+0x5C,	0x00D6,
+0x5D,	0x00D1,
+0x5E,	0x00DC,
+0x5F,	0x00A7,
+0x60,	0x00BF,
+0x61,	0x0061,
+0x62,	0x0062,
+0x63,	0x0063,
+0x64,	0x0064,
+0x65,	0x0065,
+0x66,	0x0066,
+0x67,	0x0067,
+0x68,	0x0068,
+0x69,	0x0069,
+0x6A,	0x006A,
+0x6B,	0x006B,
+0x6C,	0x006C,
+0x6D,	0x006D,
+0x6E,	0x006E,
+0x6F,	0x006F,
+0x70,	0x0070,
+0x71,	0x0071,
+0x72,	0x0072,
+0x73,	0x0073,
+0x74,	0x0074,
+0x75,	0x0075,
+0x76,	0x0076,
+0x77,	0x0077,
+0x78,	0x0078,
+0x79,	0x0079,
+0x7A,	0x007A,
+0x7B,	0x00E4,
+0x7C,	0x00F6,
+0x7D,	0x00F1,
+0x7E,	0x00FC,
+0x7F,	0x00E0,
+};
+
+#define UTF8_LENGTH(c) \
+	((c) < 0x80 ? 1 : \
+	 ((c) < 0x800 ? 2 : 3))
+
+static void test_invalid()
+{
+	long nwritten;
+	long nread;
+	char *res;
+
+	res = convert_gsm_to_utf8(invalid_gsm_extended, 0, &nread, &nwritten,
+					0);
+	g_assert(res == NULL);
+	g_assert(nread == 0);
+
+	res = convert_gsm_to_utf8(invalid_gsm_extended,
+					sizeof(invalid_gsm_extended),
+					&nread, &nwritten, 0);
+	g_assert(res == NULL);
+	g_assert(nread == 1);
+
+	res = convert_gsm_to_utf8(invalid_gsm_extended_len,
+					sizeof(invalid_gsm_extended_len),
+					&nread, &nwritten, 0);
+	g_assert(res == NULL);
+	g_assert(nread == 3);
+}
+
+static void test_valid()
+{
+	long nwritten;
+	long nread;
+	char *res;
+	int i;
+	long size;
+	gunichar *verify;
+	unsigned char *back;
+
+	unsigned char buf[2];
+
+	static int map_size =
+		sizeof(gsm_to_unicode_map) / sizeof(unsigned short) / 2;
+
+	for (i = 0; i < map_size; i++) {
+		unsigned short c = gsm_to_unicode_map[i*2];
+
+		if (c & 0x1b00) {
+			buf[0] = 0x1b;
+			buf[1] = c & 0x7f;
+			size = 2;
+		} else {
+			size = 1;
+			buf[0] = c & 0x7f;
+		}
+
+		res = convert_gsm_to_utf8(buf, size, &nread, &nwritten, 0);
+		g_assert(res);
+
+		if (g_test_verbose())
+			g_print("size: %ld, nread:%ld, nwritten:%ld, %s\n",
+				size, nread, nwritten, res);
+
+		g_assert(nread == size);
+
+		verify = g_utf8_to_ucs4(res, -1, NULL, NULL, NULL);
+
+		g_assert(verify[0] == gsm_to_unicode_map[i*2+1]);
+		g_assert(verify[1] == 0);
+
+		g_assert(nwritten == UTF8_LENGTH(verify[0]));
+
+		back = convert_utf8_to_gsm(res, -1, &nread, &nwritten, 0);
+
+		g_assert(back);
+
+		g_assert(nwritten == size);
+		if (c & 0x1b00) {
+			g_assert(back[0] == 0x1b);
+			g_assert(back[1] == (c & 0x7f));
+		} else {
+			g_assert(back[0] == (c & 0x7f));
+		}
+
+		g_free(back);
+		g_free(verify);
+		g_free(res);
+	}
+}
+
+static const char hex_packed[] = "493A283D0795C3F33C88FE06C9CB6132885EC6D34"
+					"1EDF27C1E3E97E7207B3A0C0A5241E377BB1D"
+					"7693E72E";
+static const char expected[] = "It is easy to read text messages via AT commands.";
+static int reported_text_size = 49;
+
+static void test_decode_encode()
+{
+	const char *sms = hex_packed;
+	unsigned char *decoded, *packed;
+	char *utf8, *hex_packed;
+	unsigned char *gsm, *gsm_encoded;
+	long hex_decoded_size;
+	long unpacked_size, packed_size;
+	long gsm_encoded_size;
+	long i;
+
+	if (g_test_verbose())
+		g_print("Size of the orig string: %u\n",
+			(unsigned int)strlen(sms));
+
+	decoded = decode_hex(sms, -1, &hex_decoded_size, 0);
+
+	g_assert(decoded != NULL);
+
+	if (g_test_verbose())
+		g_print("Decode to %ld bytes\n", hex_decoded_size);
+
+	if (g_test_verbose()) {
+		g_print("%s\n", sms);
+
+		for (i = 0; i < hex_decoded_size; i++)
+			g_print("%02X", decoded[i]);
+		g_print("\n");
+	}
+
+	gsm = unpack_7bit(decoded, hex_decoded_size, 0, FALSE,
+				reported_text_size, &unpacked_size, 0xff);
+
+	g_assert(gsm != NULL);
+
+	if (g_test_verbose())
+		g_print("String unpacked to %ld bytes\n", unpacked_size);
+
+	utf8 = convert_gsm_to_utf8(gsm, -1, NULL, NULL, 0xff);
+
+	g_assert(utf8 != NULL);
+
+	if (g_test_verbose())
+		g_print("String is: -->%s<--\n", utf8);
+
+	g_assert(strcmp(utf8, expected) == 0);
+
+	gsm_encoded = convert_utf8_to_gsm(utf8, -1, NULL,
+						&gsm_encoded_size, 0xff);
+
+	g_assert(gsm_encoded != NULL);
+
+	if (g_test_verbose())
+		g_print("Converted back to GSM string of %ld bytes\n",
+				gsm_encoded_size);
+
+	g_assert(gsm_encoded[gsm_encoded_size] == 0xff);
+	g_assert(gsm_encoded_size == unpacked_size);
+	g_assert(memcmp(gsm_encoded, gsm, gsm_encoded_size) == 0);
+
+	g_free(utf8);
+	g_free(gsm);
+
+	packed = pack_7bit(gsm_encoded, -1, 0, FALSE, &packed_size, 0xff);
+
+	g_assert(gsm_encoded != NULL);
+
+	if (g_test_verbose())
+		g_print("Packed GSM to size of %ld bytes\n", packed_size);
+
+	if (g_test_verbose()) {
+		for (i = 0; i < packed_size; i++)
+			g_print("%02X", packed[i]);
+		g_print("\n");
+	}
+
+	g_assert(packed_size == hex_decoded_size);
+	g_assert(memcmp(packed, decoded, packed_size) == 0);
+
+	g_free(decoded);
+
+	hex_packed = encode_hex(packed, packed_size, 0);
+
+	g_assert(hex_packed != NULL);
+
+	g_free(packed);
+
+	if (g_test_verbose())
+		g_print("Hex encoded packed to size %ld bytes\n",
+				(long)strlen(hex_packed));
+
+	g_assert(strlen(hex_packed) == strlen(sms));
+	g_assert(strcmp(hex_packed, sms) == 0);
+
+	g_free(hex_packed);
+}
+
+static void test_pack_size()
+{
+	unsigned char c1[] = { 'a' };
+	unsigned char c2[] = { 'a', 'b' };
+	unsigned char c3[] = { 'a', 'b', 'c' };
+	unsigned char c4[] = { 'a', 'b', 'c', 'd' };
+	unsigned char c5[] = { 'a', 'b', 'c', 'd', 'e' };
+	unsigned char c6[] = { 'a', 'b', 'c', 'd', 'e', 'f' };
+	unsigned char c7[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g' };
+	unsigned char c8[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
+
+	unsigned char *packed;
+	long size;
+
+	packed = pack_7bit(c1, 1, 0, FALSE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 1);
+	g_free(packed);
+
+	packed = pack_7bit(c2, 2, 0, FALSE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 2);
+	g_free(packed);
+
+	packed = pack_7bit(c3, 3, 0, FALSE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 3);
+	g_free(packed);
+
+	packed = pack_7bit(c4, 4, 0, FALSE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 4);
+	g_free(packed);
+
+	packed = pack_7bit(c5, 5, 0, FALSE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 5);
+	g_free(packed);
+
+	packed = pack_7bit(c6, 6, 0, FALSE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 6);
+	g_free(packed);
+
+	packed = pack_7bit(c7, 7, 0, FALSE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 7);
+	g_assert((packed[6] & 0xfe) == 0);
+	g_free(packed);
+
+	packed = pack_7bit(c7, 7, 0, TRUE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 7);
+	g_assert(((packed[6] & 0xfe) >> 1) == '\r');
+	g_free(packed);
+
+	packed = pack_7bit(c8, 8, 0, FALSE, &size, 0);
+	g_assert(packed != NULL);
+	g_assert(size == 7);
+	g_free(packed);
+}
+
+static void test_cr_handling()
+{
+	unsigned char c7[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g' };
+	unsigned char c7_expected[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', '\r' };
+	unsigned char c8[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', '\r' };
+	unsigned char c8_expected[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', '\r', '\r' };
+
+	unsigned char *packed;
+	unsigned char *unpacked;
+	long packed_size;
+	long unpacked_size;
+
+	packed = pack_7bit(c8, 8, 0, TRUE, &packed_size, 0);
+	g_assert(packed != NULL);
+	g_assert(packed_size == 8);
+	g_assert(((packed[6] & 0xfe) >> 1) == '\r');
+	g_assert((packed[7] & 0x7f) == '\r');
+
+	unpacked = unpack_7bit(packed, 8, 0, TRUE, -1, &unpacked_size, 0);
+	if (g_test_verbose())
+		g_print("Unpacked to size: %ld\n", unpacked_size);
+
+	g_assert(unpacked != NULL);
+	g_assert(unpacked_size == 9);
+	g_assert(memcmp(c8_expected, unpacked, 9) == 0);
+
+	g_free(unpacked);
+	g_free(packed);
+
+	packed = pack_7bit(c7, 7, 0, TRUE, &packed_size, 0);
+	g_assert(packed != NULL);
+	g_assert(packed_size == 7);
+	g_assert(((packed[6] & 0xfe) >> 1) == '\r');
+
+	unpacked = unpack_7bit(packed, 7, 0, TRUE, -1, &unpacked_size, 0);
+	if (g_test_verbose())
+		g_print("Unpacked to size: %ld\n", unpacked_size);
+
+	g_assert(unpacked != NULL);
+	g_assert(unpacked_size == 7);
+	g_assert(memcmp(c7, unpacked, 7) == 0);
+
+	g_free(unpacked);
+	g_free(packed);
+
+	/* As above, but now unpack using SMS style, we should now have cr at
+	 * the end of the stream
+	 */
+	packed = pack_7bit(c7, 7, 0, TRUE, &packed_size, 0);
+	unpacked = unpack_7bit(packed, 7, 0, FALSE, 8, &unpacked_size, 0);
+	if (g_test_verbose())
+		g_print("Unpacked to size: %ld\n", unpacked_size);
+
+	g_assert(unpacked != NULL);
+	g_assert(unpacked_size == 8);
+	g_assert(memcmp(c7_expected, unpacked, 8) == 0);
+
+	g_free(unpacked);
+	g_free(packed);
+}
+
+static void test_sms_handling()
+{
+	unsigned char c7[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g' };
+
+	unsigned char *packed;
+	unsigned char *unpacked;
+	long packed_size;
+	long unpacked_size;
+
+	packed = pack_7bit(c7, 7, 0, FALSE, &packed_size, 0);
+	g_assert(packed != NULL);
+	g_assert(packed_size == 7);
+
+	unpacked = unpack_7bit(packed, 7, 0, FALSE, 8, &unpacked_size, 0xff);
+	if (g_test_verbose())
+		g_print("Unpacked to size: %ld\n", unpacked_size);
+
+	g_assert(unpacked != NULL);
+	g_assert(unpacked_size == 8);
+	g_assert(unpacked[7] == 0);
+	g_assert(unpacked[8] == 0xff);
+
+	g_free(unpacked);
+	g_free(packed);
+
+	packed = pack_7bit(c7, 7, 0, FALSE, &packed_size, 0);
+	g_assert(packed != NULL);
+	g_assert(packed_size == 7);
+
+	unpacked = unpack_7bit(packed, 7, 0, FALSE, 7, &unpacked_size, 0xff);
+	if (g_test_verbose())
+		g_print("Unpacked to size: %ld\n", unpacked_size);
+
+	g_assert(unpacked != NULL);
+	g_assert(unpacked_size == 7);
+	g_assert(unpacked[7] == 0xff);
+
+	g_free(unpacked);
+	g_free(packed);
+}
+
+static void test_offset_handling()
+{
+	unsigned char c7[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g' };
+	unsigned char c8[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h' };
+	unsigned char c9[] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i' };
+	unsigned char *packed;
+	unsigned char *unpacked;
+	long packed_size;
+	long unpacked_size;
+
+	/* Pack at offset = 2 bytes, e.g. starting with 21st bit */
+	packed = pack_7bit(c7, 6, 2, FALSE, &packed_size, 0);
+
+	if (g_test_verbose())
+		g_print("Packed to size: %ld\n", packed_size);
+
+	g_assert(packed != NULL);
+	g_assert(packed_size == 6);
+
+	unpacked = unpack_7bit(packed, 6, 2, FALSE, 6, &unpacked_size, 0xff);
+	if (g_test_verbose())
+		g_print("Unpacked to size: %ld\n", unpacked_size);
+
+	g_assert(unpacked != NULL);
+	g_assert(unpacked_size == 6);
+	g_assert(unpacked[6] == 0xff);
+	g_assert(unpacked[0] == 'a');
+	g_assert(unpacked[5] == 'f');
+
+	g_free(unpacked);
+	g_free(packed);
+
+	/* Pack at offset = 6 bytes, we should be able to fit one character
+	 * into the first byte, and the other 7 characters into the following
+	 * 7 bytes.  The 7 MSB bits of the last byte should be 0 since
+	 * we're not using CBS packing
+	 */
+	packed = pack_7bit(c8, 8, 6, FALSE, &packed_size, 0);
+
+	if (g_test_verbose())
+		g_print("Packed to size: %ld\n", packed_size);
+
+	g_assert(packed != NULL);
+	g_assert(packed_size == 8);
+
+	unpacked = unpack_7bit(packed, 8, 6, FALSE, 8, &unpacked_size, 0xff);
+	if (g_test_verbose())
+		g_print("Unpacked to size: %ld\n", unpacked_size);
+
+	g_assert(unpacked != NULL);
+	g_assert(unpacked_size == 8);
+	g_assert(unpacked[8] == 0xff);
+	g_assert(unpacked[0] == 'a');
+	g_assert(unpacked[7] == 'h');
+
+	g_free(unpacked);
+	g_free(packed);
+
+	/* Same as above, but instead pack in 9 characters */
+	packed = pack_7bit(c9, 9, 6, FALSE, &packed_size, 0);
+
+	if (g_test_verbose())
+		g_print("Packed to size: %ld\n", packed_size);
+
+	g_assert(packed != NULL);
+	g_assert(packed_size == 8);
+
+	unpacked = unpack_7bit(packed, 8, 6, FALSE, 9, &unpacked_size, 0xff);
+	if (g_test_verbose())
+		g_print("Unpacked to size: %ld\n", unpacked_size);
+
+	g_assert(unpacked != NULL);
+	g_assert(unpacked_size == 9);
+	g_assert(unpacked[9] == 0xff);
+	g_assert(unpacked[0] == 'a');
+	g_assert(unpacked[8] == 'i');
+
+	g_free(unpacked);
+	g_free(packed);
+}
+
+int main(int argc, char **argv)
+{
+	g_test_init(&argc, &argv, NULL);
+
+	g_test_add_func("/testutil/Invalid Conversions", test_invalid);
+	g_test_add_func("/testutil/Valid Conversions", test_valid);
+	g_test_add_func("/testutil/Decode Encode", test_decode_encode);
+	g_test_add_func("/testutil/Pack Size", test_pack_size);
+	g_test_add_func("/testutil/CBS CR Handling", test_cr_handling);
+	g_test_add_func("/testutil/SMS Handling", test_sms_handling);
+	g_test_add_func("/testutil/Offset Handling", test_offset_handling);
+
+	return g_test_run();
+}