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tests: add unittests for gnrc_sixlowpan_frag_vrb
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@miri64
miri64 committed Aug 7, 2019
1 parent 351c59c commit 69436e2
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1 change: 1 addition & 0 deletions tests/unittests/tests-gnrc_sixlowpan_frag_vrb/Makefile
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include $(RIOTBASE)/Makefile.base
2 changes: 2 additions & 0 deletions tests/unittests/tests-gnrc_sixlowpan_frag_vrb/Makefile.include
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USEMODULE += gnrc_sixlowpan_frag_vrb
USEMODULE += xtimer
283 changes: 283 additions & 0 deletions tests/unittests/tests-gnrc_sixlowpan_frag_vrb/tests-gnrc_sixlowpan_frag_vrb.c
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/*
* Copyright (C) 2019 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/

/**
* @ingroup tests
* @{
*
* @author Martine Lenders <[email protected]>
* @file
*/
#include <errno.h>
#include <stdint.h>

#include "embUnit/embUnit.h"

#include "net/gnrc/sixlowpan/frag/vrb.h"
#include "xtimer.h"

#include "tests-gnrc_sixlowpan_frag_vrb.h"

#define TEST_TAG_INITIAL (6U)
#define TEST_SRC { 0x68, 0xDF, 0x2A, 0x5B, 0x21, 0x7D, 0xEE, 0xE5 }
#define TEST_DST { 0xB1, 0x5B, 0x0F, 0x2F, 0x63, 0x76, 0x28, 0x39 }
#define TEST_OUT_DST { 0x13, 0xF8, 0xEB, 0x75, 0x46, 0x60, 0x7C, 0x60 }
#define TEST_SRC_LEN (8U)
#define TEST_DST_LEN (8U)
#define TEST_TAG (26U)

extern uint16_t tag;

/* The interface is not used for anything by the VRB (it just is kept as a
* reference for forwarding) so an uninitialized one is enough */
static gnrc_netif_t _dummy_netif;

static void set_up(void)
{
gnrc_sixlowpan_frag_vrb_reset();
tag = 0;
}

static void test_vrb_add__success(void)
{
static const gnrc_sixlowpan_rbuf_int_t interval = {
.next = NULL,
.start = 0,
.end = 116U,
};
static const gnrc_sixlowpan_rbuf_base_t base = {
.ints = (gnrc_sixlowpan_rbuf_int_t *)&interval,
.src = TEST_SRC,
.dst = TEST_DST,
.src_len = TEST_SRC_LEN,
.dst_len = TEST_DST_LEN,
.tag = TEST_TAG,
.datagram_size = 1156U,
.current_size = 116U,
.arrival = 1742197326U,
};
static uint8_t out_dst[] = TEST_OUT_DST;
gnrc_sixlowpan_frag_vrb_t *res;

tag = TEST_TAG_INITIAL;
TEST_ASSERT_NOT_NULL((res = gnrc_sixlowpan_frag_vrb_add(&base,
&_dummy_netif,
out_dst,
sizeof(out_dst))));
TEST_ASSERT_NOT_NULL(res->super.ints);
TEST_ASSERT_NULL(res->super.ints->next);
/* make sure base and res->super are distinct*/
TEST_ASSERT((&base) != (&res->super));
/* but that the values are the same */
TEST_ASSERT_EQUAL_INT(interval.start, res->super.ints->start);
TEST_ASSERT_EQUAL_INT(interval.end, res->super.ints->end);
TEST_ASSERT_EQUAL_INT(base.src_len, res->super.src_len);
TEST_ASSERT_MESSAGE(memcmp(base.src, res->super.src, TEST_SRC_LEN) == 0,
"TEST_SRC != res->super.src");
TEST_ASSERT_EQUAL_INT(base.dst_len, res->super.src_len);
TEST_ASSERT_MESSAGE(memcmp(base.dst, res->super.dst, TEST_DST_LEN) == 0,
"TEST_DST != res->super.dst");
TEST_ASSERT_EQUAL_INT(base.tag, res->super.tag);
TEST_ASSERT_EQUAL_INT(base.datagram_size, res->super.datagram_size);
TEST_ASSERT_EQUAL_INT(base.current_size, res->super.current_size);
TEST_ASSERT_EQUAL_INT(base.arrival, res->super.arrival);
TEST_ASSERT((&_dummy_netif) == res->out_netif);
TEST_ASSERT_EQUAL_INT(sizeof(out_dst), res->out_dst_len);
TEST_ASSERT_MESSAGE(memcmp(out_dst, res->out_dst, sizeof(out_dst)) == 0,
"TEST_DST != res->super.dst");
TEST_ASSERT_EQUAL_INT(TEST_TAG_INITIAL, res->out_tag);
TEST_ASSERT(TEST_TAG_INITIAL != tag);
}

static void test_vrb_add__duplicate(void)
{
static const gnrc_sixlowpan_rbuf_int_t interval = {
.next = NULL,
.start = 0,
.end = 116U,
};
static const gnrc_sixlowpan_rbuf_base_t base = {
.ints = (gnrc_sixlowpan_rbuf_int_t *)&interval,
.src = TEST_SRC,
.dst = TEST_DST,
.src_len = TEST_SRC_LEN,
.dst_len = TEST_DST_LEN,
.tag = TEST_TAG,
.datagram_size = 1156U,
.current_size = 116U,
.arrival = 1742197326U,
};
static uint8_t out_dst[] = TEST_OUT_DST;
gnrc_sixlowpan_frag_vrb_t *res1, *res2;

tag = TEST_TAG_INITIAL;
TEST_ASSERT_NOT_NULL((res1 = gnrc_sixlowpan_frag_vrb_add(&base,
&_dummy_netif,
out_dst,
sizeof(out_dst))));
TEST_ASSERT_NOT_NULL((res2 = gnrc_sixlowpan_frag_vrb_add(&base,
&_dummy_netif,
out_dst,
sizeof(out_dst))));
TEST_ASSERT(res1 == res2);
}

static void test_vrb_add__full(void)
{
gnrc_sixlowpan_rbuf_base_t base = {
.ints = NULL,
.src = TEST_SRC,
.dst = TEST_DST,
.src_len = TEST_SRC_LEN,
.dst_len = TEST_DST_LEN,
.tag = TEST_TAG,
.datagram_size = 1156U,
.current_size = 116U,
.arrival = 1742197326U,
};
static uint8_t out_dst[] = TEST_OUT_DST;

/* fill up VRB */
for (unsigned i = 0; i < GNRC_SIXLOWPAN_FRAG_VRB_SIZE; i++) {
TEST_ASSERT_NOT_NULL(gnrc_sixlowpan_frag_vrb_add(&base,
&_dummy_netif,
out_dst,
sizeof(out_dst)));
base.tag++;
}
/* another entry will not fit */
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_add(&base, &_dummy_netif,
out_dst, sizeof(out_dst)));
/* check if it really isn't in the VRB */
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(base.src, base.src_len,
base.dst, base.dst_len,
base.datagram_size, base.tag));
}

static void test_vrb_get__empty(void)
{
static const gnrc_sixlowpan_rbuf_base_t base = {
.ints = NULL,
.src = TEST_SRC,
.dst = TEST_DST,
.src_len = TEST_SRC_LEN,
.dst_len = TEST_DST_LEN,
.tag = TEST_TAG,
.datagram_size = 1156U,
.current_size = 116U,
.arrival = 1742197326U,
};
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(base.src, base.src_len,
base.dst, base.dst_len,
base.datagram_size, base.tag));
}

static void test_vrb_get__after_add(void)
{
static const gnrc_sixlowpan_rbuf_base_t base = {
.ints = NULL,
.src = TEST_SRC,
.dst = TEST_DST,
.src_len = TEST_SRC_LEN,
.dst_len = TEST_DST_LEN,
.tag = TEST_TAG,
.datagram_size = 1156U,
.current_size = 116U,
.arrival = 1742197326U,
};
static uint8_t out_dst[] = TEST_OUT_DST;
gnrc_sixlowpan_frag_vrb_t *res1, *res2;

TEST_ASSERT_NOT_NULL((res1 = gnrc_sixlowpan_frag_vrb_add(&base,
&_dummy_netif,
out_dst,
sizeof(out_dst))));
TEST_ASSERT_NOT_NULL((res2 = gnrc_sixlowpan_frag_vrb_get(base.src,
base.src_len,
base.dst,
base.dst_len,
base.datagram_size,
base.tag)));
TEST_ASSERT(res1 == res2);
}

static void test_vrb_rm(void)
{
static const gnrc_sixlowpan_rbuf_base_t base = {
.ints = NULL,
.src = TEST_SRC,
.dst = TEST_DST,
.src_len = TEST_SRC_LEN,
.dst_len = TEST_DST_LEN,
.tag = TEST_TAG,
.datagram_size = 1156U,
.current_size = 116U,
.arrival = 1742197326U,
};
static uint8_t out_dst[] = TEST_OUT_DST;
gnrc_sixlowpan_frag_vrb_t *res;

TEST_ASSERT_NOT_NULL((res = gnrc_sixlowpan_frag_vrb_add(&base,
&_dummy_netif,
out_dst,
sizeof(out_dst))));
gnrc_sixlowpan_frag_vrb_rm(res);
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(base.src, base.src_len,
base.dst, base.dst_len,
base.datagram_size, base.tag));
}

static void test_vrb_gc(void)
{
gnrc_sixlowpan_rbuf_base_t base = {
.ints = NULL,
.src = TEST_SRC,
.dst = TEST_DST,
.src_len = TEST_SRC_LEN,
.dst_len = TEST_DST_LEN,
.tag = TEST_TAG,
.datagram_size = 1156U,
.current_size = 116U,
.arrival = xtimer_now_usec() - GNRC_SIXLOWPAN_FRAG_VRB_TIMEOUT_US - 1000,
};
static uint8_t out_dst[] = TEST_OUT_DST;
gnrc_sixlowpan_frag_vrb_t *res;

TEST_ASSERT_NOT_NULL((res = gnrc_sixlowpan_frag_vrb_add(&base,
&_dummy_netif,
out_dst,
sizeof(out_dst))));
gnrc_sixlowpan_frag_vrb_gc();
TEST_ASSERT_NULL(gnrc_sixlowpan_frag_vrb_get(base.src, base.src_len,
base.dst, base.dst_len,
base.datagram_size, base.tag));
}

static Test *tests_gnrc_sixlowpan_frag_vrb_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_vrb_add__success),
new_TestFixture(test_vrb_add__duplicate),
new_TestFixture(test_vrb_add__full),
new_TestFixture(test_vrb_get__empty),
new_TestFixture(test_vrb_get__after_add),
new_TestFixture(test_vrb_rm),
new_TestFixture(test_vrb_gc),
};

EMB_UNIT_TESTCALLER(vrb_tests, set_up, NULL, fixtures);

return (Test *)&vrb_tests;
}

void tests_gnrc_sixlowpan_frag_vrb(void)
{
xtimer_init();
TESTS_RUN(tests_gnrc_sixlowpan_frag_vrb_tests());
}
/** @} */
37 changes: 37 additions & 0 deletions tests/unittests/tests-gnrc_sixlowpan_frag_vrb/tests-gnrc_sixlowpan_frag_vrb.h
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/*
* Copyright (C) 2019 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/

/**
* @ingroup unittests
* @{
*
* @file
* @brief Unittests for the `gnrc_sixlowpan_frag_vrb` module
*
* @author Martine Lenders <[email protected]>
*/
#ifndef TESTS_SIXLOWPAN_FRAG_VRB_H
#define TESTS_SIXLOWPAN_FRAG_VRB_H

#include "embUnit.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
* @brief The entry point of this test suite.
*/
void tests_gnrc_sixlowpan_frag_vrb(void);

#ifdef __cplusplus
}
#endif

#endif /* TESTS_SIXLOWPAN_FRAG_VRB_H */
/** @} */

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