diff options
Diffstat (limited to 'tests/gprs/gprs_test.c')
| -rw-r--r-- | tests/gprs/gprs_test.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/tests/gprs/gprs_test.c b/tests/gprs/gprs_test.c deleted file mode 100644 index ff7740494..000000000 --- a/tests/gprs/gprs_test.c +++ /dev/null @@ -1,236 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <inttypes.h> - -#include <openbsc/gprs_llc.h> -#include <openbsc/gprs_utils.h> - -#include <openbsc/debug.h> - -#include <osmocom/core/application.h> -#include <osmocom/gsm/gsup.h> - -#define ASSERT_FALSE(x) if (x) { printf("Should have returned false.\n"); abort(); } -#define ASSERT_TRUE(x) if (!x) { printf("Should have returned true.\n"); abort(); } - -/** - * GSM 04.64 8.4.2 Receipt of unacknowledged information - */ -static int nu_is_retransmission(uint16_t nu, uint16_t vur) -{ - int ret = gprs_llc_is_retransmit(nu, vur); - printf("N(U) = %d, V(UR) = %d => %s\n", nu, vur, - ret == 1 ? "retransmit" : "new"); - return ret; -} - -static void test_8_4_2() -{ - printf("Testing gprs_llc_is_retransmit.\n"); - - ASSERT_FALSE(nu_is_retransmission(0, 0)); - ASSERT_TRUE (nu_is_retransmission(0, 1)); - - /* expect 1... check for retransmissions */ - ASSERT_TRUE (nu_is_retransmission(0, 1)); - ASSERT_TRUE (nu_is_retransmission(511, 1)); - ASSERT_TRUE (nu_is_retransmission(483, 1)); - ASSERT_TRUE (nu_is_retransmission(482, 1)); - ASSERT_FALSE(nu_is_retransmission(481, 1)); - - /* expect 511... check for retransmissions */ - ASSERT_FALSE(nu_is_retransmission(0, 240)); // ahead - ASSERT_FALSE(nu_is_retransmission(0, 511)); // ahead - ASSERT_FALSE(nu_is_retransmission(1, 511)); // ahead - ASSERT_FALSE(nu_is_retransmission(511, 511)); // same - ASSERT_TRUE (nu_is_retransmission(510, 511)); // behind - ASSERT_TRUE (nu_is_retransmission(481, 511)); // behind - ASSERT_FALSE(nu_is_retransmission(479, 511)); // wrapped -} - -static void apn_round_trip(const uint8_t *input, size_t len, const char *wanted_output) -{ - char output[len ? len : 1]; - uint8_t encoded[len + 50]; - char *out_str; - int enc_len; - - /* decode and verify we have what we want */ - out_str = gprs_apn_to_str(output, input, len); - OSMO_ASSERT(out_str); - OSMO_ASSERT(out_str == &output[0]); - OSMO_ASSERT(strlen(out_str) == strlen(wanted_output)); - OSMO_ASSERT(strcmp(out_str, wanted_output) == 0); - - /* encode and verify it */ - if (len != 0) { - enc_len = gprs_str_to_apn(encoded, ARRAY_SIZE(encoded), wanted_output); - OSMO_ASSERT(enc_len == len); - OSMO_ASSERT(memcmp(encoded, input, enc_len) == 0); - } else { - enc_len = gprs_str_to_apn(encoded, 0, wanted_output); - OSMO_ASSERT(enc_len == -1); - } -} - -static void test_gsm_03_03_apn(void) -{ - - { - /* test invalid writes */ - const uint8_t ref[10] = { 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF }; - uint8_t output[10]; - int enc_len; - - memcpy(output, ref, ARRAY_SIZE(output)); - enc_len = gprs_str_to_apn(output, 0, ""); - OSMO_ASSERT(enc_len == -1); - OSMO_ASSERT(memcmp(ref, output, ARRAY_SIZE(ref)) == 0); - - memcpy(output, ref, ARRAY_SIZE(output)); - enc_len = gprs_str_to_apn(output, 0, "foo"); - OSMO_ASSERT(enc_len == -1); - OSMO_ASSERT(memcmp(ref, output, ARRAY_SIZE(ref)) == 0); - - memcpy(output, ref, ARRAY_SIZE(output)); - enc_len = gprs_str_to_apn(output, 1, "foo"); - OSMO_ASSERT(enc_len == -1); - OSMO_ASSERT(memcmp(ref + 1, output + 1, ARRAY_SIZE(ref) - 1) == 0); - - memcpy(output, ref, ARRAY_SIZE(output)); - enc_len = gprs_str_to_apn(output, 2, "foo"); - OSMO_ASSERT(enc_len == -1); - OSMO_ASSERT(memcmp(ref + 2, output + 2, ARRAY_SIZE(ref) - 2) == 0); - - memcpy(output, ref, ARRAY_SIZE(output)); - enc_len = gprs_str_to_apn(output, 3, "foo"); - OSMO_ASSERT(enc_len == -1); - OSMO_ASSERT(memcmp(ref + 3, output + 3, ARRAY_SIZE(ref) - 3) == 0); - } - - { - /* single empty label */ - uint8_t input[] = { 0x0 }; - const char *output = ""; - apn_round_trip(input, ARRAY_SIZE(input), output); - } - - { - /* no label */ - uint8_t input[] = { }; - const char *output = ""; - apn_round_trip(input, ARRAY_SIZE(input), output); - } - - { - /* single label with A */ - uint8_t input[] = { 0x1, 65 }; - const char *output = "A"; - apn_round_trip(input, ARRAY_SIZE(input), output); - OSMO_ASSERT(gprs_apn_to_str(NULL, input, ARRAY_SIZE(input) - 1) == NULL); - } - - { - uint8_t input[] = { 0x3, 65, 66, 67, 0x2, 90, 122 }; - const char *output = "ABC.Zz"; - char tmp[strlen(output) + 1]; - apn_round_trip(input, ARRAY_SIZE(input), output); - OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 1) == NULL); - OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 2) == NULL); - OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 4) == NULL); - OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 5) == NULL); - OSMO_ASSERT(gprs_apn_to_str(tmp, input, ARRAY_SIZE(input) - 6) == NULL); - } -} - -static void test_gprs_timer_enc_dec(void) -{ - int i, u, secs, tmr; - const int upper_secs_test_limit = 12000; - int dec_secs, last_dec_secs = -1; - - printf("Test GPRS timer decoding/encoding\n"); - - /* Check gprs_tmr_to_secs with all 256 encoded values */ - for (u = 0; u <= GPRS_TMR_DEACTIVATED; u += 32) { - fprintf(stderr, "Testing decoding with timer value unit %u\n", - u / 32); - for (i = 0; i < 32; i++) { - switch (u) { - case GPRS_TMR_2SECONDS: - OSMO_ASSERT(gprs_tmr_to_secs(u + i) == 2 * i); - break; - - default: - case GPRS_TMR_MINUTE: - OSMO_ASSERT(gprs_tmr_to_secs(u + i) == 60 * i); - break; - - case GPRS_TMR_6MINUTE: - OSMO_ASSERT(gprs_tmr_to_secs(u + i) == 360 * i); - break; - - case GPRS_TMR_DEACTIVATED: - OSMO_ASSERT(gprs_tmr_to_secs(u + i) == -1); - break; - } - - OSMO_ASSERT(gprs_tmr_to_secs(u + i) < upper_secs_test_limit); - } - } - - /* Check gprs_secs_to_tmr_floor for secs that can exactly be - * represented as GPRS timer values */ - for (i = 0; i < GPRS_TMR_DEACTIVATED; i++) { - int j; - secs = gprs_tmr_to_secs(i); - tmr = gprs_secs_to_tmr_floor(secs); - OSMO_ASSERT(secs == gprs_tmr_to_secs(tmr)); - - /* Check that the highest resolution is used */ - for (j = 0; j < tmr; j++) - OSMO_ASSERT(secs != gprs_tmr_to_secs(j)); - } - OSMO_ASSERT(GPRS_TMR_DEACTIVATED == gprs_secs_to_tmr_floor(-1)); - - /* Check properties of gprs_secs_to_tmr_floor */ - for (secs = 0; secs <= upper_secs_test_limit; secs++) { - int tmr = gprs_secs_to_tmr_floor(secs); - int delta_secs = gprs_tmr_to_secs((tmr & ~0x1f) | 1); - dec_secs = gprs_tmr_to_secs(tmr); - - /* Check floor */ - OSMO_ASSERT(dec_secs <= secs); - /* Check monotonicity */ - OSMO_ASSERT(dec_secs >= last_dec_secs); - /* Check max distance (<= resolution) */ - OSMO_ASSERT(dec_secs - last_dec_secs <= delta_secs); - - last_dec_secs = dec_secs; - } -} - -const struct log_info_cat default_categories[] = { - [DGPRS] = { - .name = "DGPRS", - .description = "GPRS Packet Service", - .enabled = 0, .loglevel = LOGL_DEBUG, - }, -}; - -static struct log_info info = { - .cat = default_categories, - .num_cat = ARRAY_SIZE(default_categories), -}; - -int main(int argc, char **argv) -{ - osmo_init_logging(&info); - - test_8_4_2(); - test_gsm_03_03_apn(); - test_gprs_timer_enc_dec(); - - printf("Done.\n"); - return EXIT_SUCCESS; -} |