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RIOT/tests/unittests/tests-ztimer/tests-ztimer-mock.c

309 lines
8.7 KiB
C

/*
* Copyright (C) 2018 Eistec AB
*
* 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.
*/
/**
* @{
*
* @file
* @brief Unittests for ztimer
*
* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
*/
#include "ztimer.h"
#include "ztimer/mock.h"
#include "embUnit/embUnit.h"
#include "tests-ztimer.h"
#include <stdio.h>
/**
* @brief Simple callback for counting alarms
*/
static void cb_incr(void *arg)
{
uint32_t *ptr = arg;
*ptr += 1;
}
/**
* @brief Testing 32 bit wide mock clock now functionality
*/
static void test_ztimer_mock_now32(void)
{
ztimer_mock_t zmock;
ztimer_clock_t *z = &zmock.super;
/* Basic sanity test of the mock implementation */
ztimer_mock_init(&zmock, 32);
uint32_t now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0, now);
ztimer_mock_advance(&zmock, 123);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(123, now);
ztimer_mock_jump(&zmock, 0x10000000ul);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0x10000000ul, now);
ztimer_mock_advance(&zmock, 0x98765432ul);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0xa8765432ul, now);
ztimer_mock_advance(&zmock, 0x41234567ul);
ztimer_mock_advance(&zmock, 0x40000000ul);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0x29999999ul, now);
}
/**
* @brief Testing 16 bit wide mock clock now functionality
*/
static void test_ztimer_mock_now16(void)
{
ztimer_mock_t zmock;
ztimer_clock_t *z = &zmock.super;
/* testing a 16 bit counter */
ztimer_mock_init(&zmock, 16);
uint32_t now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0, now);
ztimer_mock_advance(&zmock, 123);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(123, now);
ztimer_mock_advance(&zmock, 30000ul);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(30123ul, now);
ztimer_mock_advance(&zmock, 0x10000ul);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(30123ul + 0x10000, now);
ztimer_mock_advance(&zmock, 0x8000ul);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(30123ul + 0x10000 + 0x8000, now);
}
/**
* @brief Testing 8 bit wide mock clock now functionality
*/
static void test_ztimer_mock_now8(void)
{
ztimer_mock_t zmock;
ztimer_clock_t *z = &zmock.super;
/* testing a small counter */
ztimer_mock_init(&zmock, 8);
uint32_t now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0, now);
ztimer_mock_advance(&zmock, 123);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(123, now);
ztimer_mock_advance(&zmock, 0x100);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0x100 + 123, now);
ztimer_mock_advance(&zmock, 180);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0x100 + 123 + 180, now);
}
/**
* @brief Testing 3 bit wide mock clock now functionality
*/
static void test_ztimer_mock_now3(void)
{
ztimer_mock_t zmock;
ztimer_clock_t *z = &zmock.super;
/* testing a tiny counter */
ztimer_mock_init(&zmock, 3);
uint32_t now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0, now);
ztimer_mock_advance(&zmock, 7);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(7, now);
ztimer_mock_advance(&zmock, 8);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(7 + 8, now);
ztimer_mock_advance(&zmock, 10);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(7 + 8 + 10, now);
}
/**
* @brief Testing 32 bit wide mock clock set functionality
*/
static void test_ztimer_mock_set32(void)
{
ztimer_mock_t zmock;
ztimer_clock_t *z = &zmock.super;
ztimer_mock_init(&zmock, 32);
uint32_t now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0, now);
uint32_t count = 0;
ztimer_t alarm = { .callback = cb_incr, .arg = &count, };
ztimer_set(z, &alarm, 1000);
ztimer_mock_advance(&zmock, 1); /* now = 1*/
TEST_ASSERT_EQUAL_INT(0, count);
ztimer_mock_advance(&zmock, 100); /* now = 101 */
TEST_ASSERT_EQUAL_INT(0, count);
ztimer_mock_advance(&zmock, 898); /* now = 999 */
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(999, now);
TEST_ASSERT_EQUAL_INT(0, count);
ztimer_mock_advance(&zmock, 1); /* now = 1000*/
TEST_ASSERT_EQUAL_INT(1, count);
ztimer_mock_advance(&zmock, 1); /* now = 1001*/
TEST_ASSERT_EQUAL_INT(1, count);
ztimer_mock_advance(&zmock, 1000); /* now = 2001*/
TEST_ASSERT_EQUAL_INT(1, count);
ztimer_set(z, &alarm, 3);
ztimer_mock_advance(&zmock, 999); /* now = 3000*/
TEST_ASSERT_EQUAL_INT(2, count);
ztimer_set(z, &alarm, 4000001000ul);
ztimer_mock_advance(&zmock, 1000); /* now = 4000*/
TEST_ASSERT_EQUAL_INT(2, count);
ztimer_mock_advance(&zmock, 4000000000ul); /* now = 4000004000*/
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(4000004000ul, now);
TEST_ASSERT_EQUAL_INT(3, count);
ztimer_set(z, &alarm, 15);
ztimer_mock_advance(&zmock, 14);
ztimer_remove(z, &alarm);
ztimer_mock_advance(&zmock, 1000);
TEST_ASSERT_EQUAL_INT(3, count);
}
/**
* @brief Testing 16 bit wide mock clock set functionality
*/
static void test_ztimer_mock_set16(void)
{
ztimer_mock_t zmock;
ztimer_clock_t *z = &zmock.super;
ztimer_mock_init(&zmock, 16);
/* make sure ztimer stays turned on */
ztimer_acquire(z);
uint32_t now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(0, now);
uint32_t count = 0;
ztimer_t alarm = { .callback = cb_incr, .arg = &count, };
ztimer_set(z, &alarm, 1000);
ztimer_mock_advance(&zmock, 1);
TEST_ASSERT_EQUAL_INT(1, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(0, count);
ztimer_mock_advance(&zmock, 100);
TEST_ASSERT_EQUAL_INT(1 + 100, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(0, count);
ztimer_mock_advance(&zmock, 898);
now = ztimer_now(z);
TEST_ASSERT_EQUAL_INT(1 + 100 + 898, now);
TEST_ASSERT_EQUAL_INT(0, count);
ztimer_mock_advance(&zmock, 1);
TEST_ASSERT_EQUAL_INT(1 + 100 + 898 + 1, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(1, count);
ztimer_mock_advance(&zmock, 1);
TEST_ASSERT_EQUAL_INT(1 + 100 + 898 + 1 + 1, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(1, count);
ztimer_mock_advance(&zmock, 1000);
TEST_ASSERT_EQUAL_INT(1 + 100 + 898 + 1 + 1 + 1000, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(1, count);
ztimer_set(z, &alarm, UINT16_MAX);
ztimer_mock_advance(&zmock, 0x10000ul);
/* 1 + 100 + 898 + 1 + 1 + 1000 + 0x10000 = 67537 */
TEST_ASSERT_EQUAL_INT(67537ul, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(2, count);
ztimer_set(z, &alarm, UINT16_MAX);
ztimer_mock_advance(&zmock, 0x10000000ul);
TEST_ASSERT_EQUAL_INT(67537ul + 0x10000000ul, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(3, count);
ztimer_set(z, &alarm, 0x10001ul);
ztimer_mock_advance(&zmock, 1);
TEST_ASSERT_EQUAL_INT(67537ul + 0x10000000ul + 1, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(3, count);
ztimer_mock_advance(&zmock, UINT16_MAX);
TEST_ASSERT_EQUAL_INT(67537ul + 0x10000000ul + 1 + UINT16_MAX, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(3, count);
ztimer_mock_advance(&zmock, 0x1);
TEST_ASSERT_EQUAL_INT(67537ul + 0x10000000ul + 1 + UINT16_MAX + 1, ztimer_now(z));
TEST_ASSERT_EQUAL_INT(4, count);
now = ztimer_now(z);
/* 67537ul + 0x10000000ul + 1 + UINT16_MAX + 1 = 0x100207d2 */
TEST_ASSERT_EQUAL_INT(0x100207d2, now);
}
/**
* @brief Testing ztimer_is_set()
*/
static void test_ztimer_mock_is_set(void)
{
ztimer_mock_t zmock;
ztimer_clock_t *z = &zmock.super;
/* Basic sanity test of the mock implementation */
ztimer_mock_init(&zmock, 32);
uint32_t count = 0;
ztimer_t alarm = { .callback = cb_incr, .arg = &count, };
ztimer_t alarm2 = { .callback = cb_incr, .arg = &count, };
ztimer_set(z, &alarm, 1000);
ztimer_set(z, &alarm2, 2000);
TEST_ASSERT_EQUAL_INT(0, count);
TEST_ASSERT(ztimer_is_set(z, &alarm));
TEST_ASSERT(ztimer_is_set(z, &alarm2));
ztimer_mock_advance(&zmock, 1000);
TEST_ASSERT_EQUAL_INT(1, count);
TEST_ASSERT(!ztimer_is_set(z, &alarm));
TEST_ASSERT(ztimer_is_set(z, &alarm2));
ztimer_mock_advance(&zmock, 1000);
TEST_ASSERT_EQUAL_INT(2, count);
TEST_ASSERT(!ztimer_is_set(z, &alarm));
TEST_ASSERT(!ztimer_is_set(z, &alarm2));
}
Test *tests_ztimer_mock_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_ztimer_mock_now32),
new_TestFixture(test_ztimer_mock_now16),
new_TestFixture(test_ztimer_mock_now8),
new_TestFixture(test_ztimer_mock_now3),
new_TestFixture(test_ztimer_mock_set32),
new_TestFixture(test_ztimer_mock_set16),
new_TestFixture(test_ztimer_mock_is_set),
};
EMB_UNIT_TESTCALLER(ztimer_tests, NULL, NULL, fixtures);
return (Test *)&ztimer_tests;
}
/** @} */