mirror of https://gerrit.osmocom.org/libosmocore
tests/conv: separate test logic
To be able to add some more tests, related to convolutional coding, without duplication of code, the test logic was separated from the conv_test.c into conv.c and conv.h. Change-Id: Idbdc7e19cb9b9a36cd1fccd621cd858e87530d98changes/27/1627/4
Vadim Yanitskiy
parent
77a5b0946f
commit
68930e85b5
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@ -57,7 +57,7 @@ bitvec_bitvec_test_LDADD = $(top_builddir)/src/libosmocore.la
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bits_bitcomp_test_SOURCES = bits/bitcomp_test.c
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bits_bitcomp_test_LDADD = $(top_builddir)/src/libosmocore.la
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conv_conv_test_SOURCES = conv/conv_test.c
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conv_conv_test_SOURCES = conv/conv_test.c conv/conv.c
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conv_conv_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gsm/libgsmint.la
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gsm0808_gsm0808_test_SOURCES = gsm0808/gsm0808_test.c
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@ -187,6 +187,7 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \
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socket/socket_test.err
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DISTCLEANFILES = atconfig atlocal
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noinst_HEADERS = conv/conv.h
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TESTSUITE = $(srcdir)/testsuite
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@ -0,0 +1,143 @@
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <time.h>
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#include <osmocom/core/bits.h>
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#include <osmocom/core/conv.h>
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#include <osmocom/core/utils.h>
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#include "conv.h"
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static void fill_random(ubit_t *b, int n)
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{
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int i;
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for (i = 0; i < n; i++)
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b[i] = random() & 1;
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}
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int do_check(const struct conv_test_vector *test)
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{
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ubit_t *bu0, *bu1;
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sbit_t *bs;
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int len, j;
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bu0 = malloc(sizeof(ubit_t) * MAX_LEN_BITS);
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bu1 = malloc(sizeof(ubit_t) * MAX_LEN_BITS);
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bs = malloc(sizeof(sbit_t) * MAX_LEN_BITS);
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srandom(time(NULL));
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/* Test name */
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printf("[+] Testing: %s\n", test->name);
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/* Check length */
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len = osmo_conv_get_input_length(test->code, 0);
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printf("[.] Input length : ret = %3d exp = %3d -> %s\n",
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len, test->in_len, len == test->in_len ? "OK" : "Bad !");
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if (len != test->in_len) {
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fprintf(stderr, "[!] Failure for input length computation\n");
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return -1;
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}
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len = osmo_conv_get_output_length(test->code, 0);
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printf("[.] Output length : ret = %3d exp = %3d -> %s\n",
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len, test->out_len, len == test->out_len ? "OK" : "Bad !");
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if (len != test->out_len) {
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fprintf(stderr, "[!] Failure for output length computation\n");
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return -1;
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}
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/* Check pre-computed vector */
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if (test->has_vec) {
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printf("[.] Pre computed vector checks:\n");
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printf("[..] Encoding: ");
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osmo_pbit2ubit(bu0, test->vec_in, test->in_len);
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len = osmo_conv_encode(test->code, bu0, bu1);
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if (len != test->out_len) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed encoding length check\n");
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return -1;
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}
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osmo_pbit2ubit(bu0, test->vec_out, test->out_len);
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if (memcmp(bu0, bu1, test->out_len)) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed encoding: Results don't match\n");
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return -1;
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};
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printf("OK\n");
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printf("[..] Decoding: ");
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osmo_ubit2sbit(bs, bu0, len);
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len = osmo_conv_decode(test->code, bs, bu1);
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if (len != 0) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed decoding: non-zero path (%d)\n", len);
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return -1;
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}
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osmo_pbit2ubit(bu0, test->vec_in, test->in_len);
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if (memcmp(bu0, bu1, test->in_len)) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed decoding: Results don't match\n");
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return -1;
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}
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printf("OK\n");
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}
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/* Check random vector */
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printf("[.] Random vector checks:\n");
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for (j = 0; j < 3; j++) {
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printf("[..] Encoding / Decoding cycle : ");
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fill_random(bu0, test->in_len);
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len = osmo_conv_encode(test->code, bu0, bu1);
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if (len != test->out_len) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed encoding length check\n");
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return -1;
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}
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osmo_ubit2sbit(bs, bu1, len);
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len = osmo_conv_decode(test->code, bs, bu1);
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if (len != 0) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed decoding: non-zero path (%d)\n", len);
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return -1;
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}
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if (memcmp(bu0, bu1, test->in_len)) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed decoding: Results don't match\n");
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return -1;
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}
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printf("OK\n");
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}
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/* Spacing */
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printf("\n");
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free(bs);
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free(bu1);
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free(bu0);
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return 0;
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}
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@ -0,0 +1,16 @@
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#pragma once
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#define MAX_LEN_BITS 512
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#define MAX_LEN_BYTES (512/8)
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struct conv_test_vector {
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const char *name;
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const struct osmo_conv_code *code;
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int in_len;
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int out_len;
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int has_vec;
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pbit_t vec_in[MAX_LEN_BYTES];
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pbit_t vec_out[MAX_LEN_BYTES];
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};
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int do_check(const struct conv_test_vector *test);
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@ -1,16 +1,10 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <osmocom/core/bits.h>
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#include <osmocom/core/conv.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/gsm/gsm0503.h>
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#define MAX_LEN_BITS 512
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#define MAX_LEN_BYTES (512/8)
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#include "conv.h"
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/* ------------------------------------------------------------------------ */
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/* Test codes */
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@ -171,39 +165,16 @@ const struct osmo_conv_code conv_lte_pbch = {
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.next_state = conv_lte_pbch_next_state,
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};
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/* ------------------------------------------------------------------------ */
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/* Test vectors */
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/* ------------------------------------------------------------------------ */
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struct conv_test_vector {
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const char *name;
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const struct osmo_conv_code *code;
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int in_len;
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int out_len;
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int has_vec;
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pbit_t vec_in[MAX_LEN_BYTES];
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pbit_t vec_out[MAX_LEN_BYTES];
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};
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/* ------------------------------------------------------------------------ */
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/* Main */
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/* ------------------------------------------------------------------------ */
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static void
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fill_random(ubit_t *b, int n)
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{
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int i;
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for (i=0; i<n; i++)
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b[i] = random() & 1;
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}
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int main(int argc, char *argv[])
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{
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const struct conv_test_vector *tst;
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ubit_t *bu0, *bu1;
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sbit_t *bs;
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const struct conv_test_vector *test;
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int rc;
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/* Random code -> Non recursive code, direct truncation, non-punctured */
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/* Random code -> Non recursive code, direct truncation, non-punctured */
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const struct osmo_conv_code conv_trunc = {
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.N = 2,
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.K = 5,
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@ -300,126 +271,11 @@ int main(int argc, char *argv[])
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{ /* end */ },
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};
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srandom(time(NULL));
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bu0 = malloc(sizeof(ubit_t) * MAX_LEN_BITS);
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bu1 = malloc(sizeof(ubit_t) * MAX_LEN_BITS);
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bs = malloc(sizeof(sbit_t) * MAX_LEN_BITS);
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for (tst=tests; tst->name; tst++)
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{
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int i,l;
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/* Test name */
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printf("[+] Testing: %s\n", tst->name);
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/* Check length */
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l = osmo_conv_get_input_length(tst->code, 0);
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printf("[.] Input length : ret = %3d exp = %3d -> %s\n",
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l, tst->in_len, l == tst->in_len ? "OK" : "Bad !");
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if (l != tst->in_len) {
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fprintf(stderr, "[!] Failure for input length computation\n");
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return -1;
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}
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l = osmo_conv_get_output_length(tst->code, 0);
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printf("[.] Output length : ret = %3d exp = %3d -> %s\n",
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l, tst->out_len, l == tst->out_len ? "OK" : "Bad !");
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if (l != tst->out_len) {
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fprintf(stderr, "[!] Failure for output length computation\n");
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return -1;
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}
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/* Check pre-computed vector */
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if (tst->has_vec) {
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printf("[.] Pre computed vector checks:\n");
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printf("[..] Encoding: ");
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osmo_pbit2ubit(bu0, tst->vec_in, tst->in_len);
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l = osmo_conv_encode(tst->code, bu0, bu1);
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if (l != tst->out_len) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed encoding length check\n");
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return -1;
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}
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osmo_pbit2ubit(bu0, tst->vec_out, tst->out_len);
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if (memcmp(bu0, bu1, tst->out_len)) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed encoding: Results don't match\n");
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return -1;
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};
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printf("OK\n");
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printf("[..] Decoding: ");
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osmo_ubit2sbit(bs, bu0, l);
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l = osmo_conv_decode(tst->code, bs, bu1);
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if (l != 0) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed decoding: non-zero path (%d)\n", l);
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return -1;
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}
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osmo_pbit2ubit(bu0, tst->vec_in, tst->in_len);
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if (memcmp(bu0, bu1, tst->in_len)) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed decoding: Results don't match\n");
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return -1;
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}
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printf("OK\n");
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}
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/* Check random vector */
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printf("[.] Random vector checks:\n");
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for (i=0; i<3; i++) {
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printf("[..] Encoding / Decoding cycle : ");
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fill_random(bu0, tst->in_len);
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l = osmo_conv_encode(tst->code, bu0, bu1);
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if (l != tst->out_len) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed encoding length check\n");
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return -1;
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}
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osmo_ubit2sbit(bs, bu1, l);
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l = osmo_conv_decode(tst->code, bs, bu1);
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if (l != 0) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed decoding: non-zero path (%d)\n", l);
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return -1;
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}
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if (memcmp(bu0, bu1, tst->in_len)) {
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printf("ERROR !\n");
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fprintf(stderr, "[!] Failed decoding: Results don't match\n");
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return -1;
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}
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printf("OK\n");
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}
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/* Spacing */
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printf("\n");
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for (test = tests; test->name; test++) {
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rc = do_check(test);
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if (rc)
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return rc;
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}
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free(bs);
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free(bu1);
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free(bu0);
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return 0;
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}
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