mbed-os/events/equeue/tests/tests.c

719 lines
16 KiB
C

/*
* Testing framework for the events library
*
* Copyright (c) 2016 Christopher Haster
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "equeue.h"
#include <unistd.h>
#include <stdio.h>
#include <setjmp.h>
#include <stdint.h>
#include <stdlib.h>
#include <pthread.h>
// Testing setup
static jmp_buf test_buf;
static int test_line;
static int test_failure;
#define test_assert(test) ({ \
if (!(test)) { \
test_line = __LINE__; \
longjmp(test_buf, 1); \
} \
})
#define test_run(func, ...) ({ \
printf("%s: ...", #func); \
fflush(stdout); \
\
if (!setjmp(test_buf)) { \
func(__VA_ARGS__); \
printf("\r%s: \e[32mpassed\e[0m\n", #func); \
} else { \
printf("\r%s: \e[31mfailed\e[0m at line %d\n", #func, test_line); \
test_failure = true; \
} \
})
// Test functions
void pass_func(void *eh) {
}
void simple_func(void *p) {
(*(int *)p)++;
}
void sloth_func(void *p) {
usleep(10000);
(*(int *)p)++;
}
struct indirect {
int *touched;
uint8_t buffer[7];
};
void indirect_func(void *p) {
struct indirect *i = (struct indirect*)p;
(*i->touched)++;
}
struct timing {
unsigned tick;
unsigned delay;
};
void timing_func(void *p) {
struct timing *timing = (struct timing*)p;
unsigned tick = equeue_tick();
unsigned t1 = timing->delay;
unsigned t2 = tick - timing->tick;
test_assert(t1 > t2 - 10 && t1 < t2 + 10);
timing->tick = tick;
}
struct fragment {
equeue_t *q;
size_t size;
struct timing timing;
};
void fragment_func(void *p) {
struct fragment *fragment = (struct fragment*)p;
timing_func(&fragment->timing);
struct fragment *nfragment = equeue_alloc(fragment->q, fragment->size);
test_assert(nfragment);
*nfragment = *fragment;
equeue_event_delay(nfragment, fragment->timing.delay);
int id = equeue_post(nfragment->q, fragment_func, nfragment);
test_assert(id);
}
struct cancel {
equeue_t *q;
int id;
};
void cancel_func(void *p) {
struct cancel *cancel = (struct cancel *)p;
equeue_cancel(cancel->q, cancel->id);
}
struct nest {
equeue_t *q;
void (*cb)(void *);
void *data;
};
void nest_func(void *p) {
struct nest *nest = (struct nest *)p;
equeue_call(nest->q, nest->cb, nest->data);
usleep(10000);
}
// Simple call tests
void simple_call_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
bool touched = false;
equeue_call(&q, simple_func, &touched);
equeue_dispatch(&q, 0);
test_assert(touched);
equeue_destroy(&q);
}
void simple_call_in_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
bool touched = false;
int id = equeue_call_in(&q, 10, simple_func, &touched);
test_assert(id);
equeue_dispatch(&q, 15);
test_assert(touched);
equeue_destroy(&q);
}
void simple_call_every_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
bool touched = false;
int id = equeue_call_every(&q, 10, simple_func, &touched);
test_assert(id);
equeue_dispatch(&q, 15);
test_assert(touched);
equeue_destroy(&q);
}
void simple_post_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
int touched = false;
struct indirect *i = equeue_alloc(&q, sizeof(struct indirect));
test_assert(i);
i->touched = &touched;
int id = equeue_post(&q, indirect_func, i);
test_assert(id);
equeue_dispatch(&q, 0);
test_assert(*i->touched);
equeue_destroy(&q);
}
// Misc tests
void destructor_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
int touched;
struct indirect *e;
int ids[3];
touched = 0;
for (int i = 0; i < 3; i++) {
e = equeue_alloc(&q, sizeof(struct indirect));
test_assert(e);
e->touched = &touched;
equeue_event_dtor(e, indirect_func);
int id = equeue_post(&q, pass_func, e);
test_assert(id);
}
equeue_dispatch(&q, 0);
test_assert(touched == 3);
touched = 0;
for (int i = 0; i < 3; i++) {
e = equeue_alloc(&q, sizeof(struct indirect));
test_assert(e);
e->touched = &touched;
equeue_event_dtor(e, indirect_func);
ids[i] = equeue_post(&q, pass_func, e);
test_assert(ids[i]);
}
for (int i = 0; i < 3; i++) {
equeue_cancel(&q, ids[i]);
}
equeue_dispatch(&q, 0);
test_assert(touched == 3);
touched = 0;
for (int i = 0; i < 3; i++) {
e = equeue_alloc(&q, sizeof(struct indirect));
test_assert(e);
e->touched = &touched;
equeue_event_dtor(e, indirect_func);
int id = equeue_post(&q, pass_func, e);
test_assert(id);
}
equeue_destroy(&q);
test_assert(touched == 3);
}
void allocation_failure_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
void *p = equeue_alloc(&q, 4096);
test_assert(!p);
for (int i = 0; i < 100; i++) {
p = equeue_alloc(&q, 0);
}
test_assert(!p);
equeue_destroy(&q);
}
void cancel_test(int N) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
bool touched = false;
int *ids = malloc(N*sizeof(int));
for (int i = 0; i < N; i++) {
ids[i] = equeue_call(&q, simple_func, &touched);
}
for (int i = N-1; i >= 0; i--) {
equeue_cancel(&q, ids[i]);
}
free(ids);
equeue_dispatch(&q, 0);
test_assert(!touched);
equeue_destroy(&q);
}
void cancel_inflight_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
bool touched = false;
int id = equeue_call(&q, simple_func, &touched);
equeue_cancel(&q, id);
equeue_dispatch(&q, 0);
test_assert(!touched);
id = equeue_call(&q, simple_func, &touched);
equeue_cancel(&q, id);
equeue_dispatch(&q, 0);
test_assert(!touched);
struct cancel *cancel = equeue_alloc(&q, sizeof(struct cancel));
test_assert(cancel);
cancel->q = &q;
cancel->id = 0;
id = equeue_post(&q, cancel_func, cancel);
test_assert(id);
cancel->id = equeue_call(&q, simple_func, &touched);
equeue_dispatch(&q, 0);
test_assert(!touched);
equeue_destroy(&q);
}
void cancel_unnecessarily_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
int id = equeue_call(&q, pass_func, 0);
for (int i = 0; i < 5; i++) {
equeue_cancel(&q, id);
}
id = equeue_call(&q, pass_func, 0);
equeue_dispatch(&q, 0);
for (int i = 0; i < 5; i++) {
equeue_cancel(&q, id);
}
bool touched = false;
equeue_call(&q, simple_func, &touched);
for (int i = 0; i < 5; i++) {
equeue_cancel(&q, id);
}
equeue_dispatch(&q, 0);
test_assert(touched);
equeue_destroy(&q);
}
void loop_protect_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
bool touched = false;
equeue_call_every(&q, 0, simple_func, &touched);
equeue_dispatch(&q, 0);
test_assert(touched);
touched = false;
equeue_call_every(&q, 1, simple_func, &touched);
equeue_dispatch(&q, 0);
test_assert(touched);
equeue_destroy(&q);
}
void break_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
bool touched = false;
equeue_call_every(&q, 0, simple_func, &touched);
equeue_break(&q);
equeue_dispatch(&q, -1);
test_assert(touched);
equeue_destroy(&q);
}
void period_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
int count = 0;
equeue_call_every(&q, 10, simple_func, &count);
equeue_dispatch(&q, 55);
test_assert(count == 5);
equeue_destroy(&q);
}
void nested_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
int touched = 0;
struct nest *nest = equeue_alloc(&q, sizeof(struct nest));
test_assert(nest);
nest->q = &q;
nest->cb = simple_func;
nest->data = &touched;
int id = equeue_post(&q, nest_func, nest);
test_assert(id);
equeue_dispatch(&q, 5);
test_assert(touched == 0);
equeue_dispatch(&q, 5);
test_assert(touched == 1);
touched = 0;
nest = equeue_alloc(&q, sizeof(struct nest));
test_assert(nest);
nest->q = &q;
nest->cb = simple_func;
nest->data = &touched;
id = equeue_post(&q, nest_func, nest);
test_assert(id);
equeue_dispatch(&q, 20);
test_assert(touched == 1);
equeue_destroy(&q);
}
void sloth_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
int touched = 0;
int id = equeue_call(&q, sloth_func, &touched);
test_assert(id);
id = equeue_call_in(&q, 5, simple_func, &touched);
test_assert(id);
id = equeue_call_in(&q, 15, simple_func, &touched);
test_assert(id);
equeue_dispatch(&q, 20);
test_assert(touched == 3);
equeue_destroy(&q);
}
void *multithread_thread(void *p) {
equeue_t *q = (equeue_t *)p;
equeue_dispatch(q, -1);
return 0;
}
void multithread_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
int touched = 0;
equeue_call_every(&q, 1, simple_func, &touched);
pthread_t thread;
err = pthread_create(&thread, 0, multithread_thread, &q);
test_assert(!err);
usleep(10000);
equeue_break(&q);
err = pthread_join(thread, 0);
test_assert(!err);
test_assert(touched);
equeue_destroy(&q);
}
void background_func(void *p, int ms) {
*(unsigned *)p = ms;
}
void background_test(void) {
equeue_t q;
int err = equeue_create(&q, 2048);
test_assert(!err);
int id = equeue_call_in(&q, 20, pass_func, 0);
test_assert(id);
unsigned ms;
equeue_background(&q, background_func, &ms);
test_assert(ms == 20);
id = equeue_call_in(&q, 10, pass_func, 0);
test_assert(id);
test_assert(ms == 10);
id = equeue_call(&q, pass_func, 0);
test_assert(id);
test_assert(ms == 0);
equeue_dispatch(&q, 0);
test_assert(ms == 10);
equeue_destroy(&q);
test_assert(ms == -1);
}
void chain_test(void) {
equeue_t q1;
int err = equeue_create(&q1, 2048);
test_assert(!err);
equeue_t q2;
err = equeue_create(&q2, 2048);
test_assert(!err);
equeue_chain(&q2, &q1);
int touched = 0;
int id1 = equeue_call_in(&q1, 20, simple_func, &touched);
int id2 = equeue_call_in(&q2, 20, simple_func, &touched);
test_assert(id1 && id2);
id1 = equeue_call(&q1, simple_func, &touched);
id2 = equeue_call(&q2, simple_func, &touched);
test_assert(id1 && id2);
id1 = equeue_call_in(&q1, 5, simple_func, &touched);
id2 = equeue_call_in(&q2, 5, simple_func, &touched);
test_assert(id1 && id2);
equeue_cancel(&q1, id1);
equeue_cancel(&q2, id2);
id1 = equeue_call_in(&q1, 10, simple_func, &touched);
id2 = equeue_call_in(&q2, 10, simple_func, &touched);
test_assert(id1 && id2);
equeue_dispatch(&q1, 30);
test_assert(touched == 6);
equeue_destroy(&q1);
equeue_destroy(&q2);
}
void unchain_test(void) {
equeue_t q1;
int err = equeue_create(&q1, 2048);
test_assert(!err);
equeue_t q2;
err = equeue_create(&q2, 2048);
test_assert(!err);
equeue_chain(&q2, &q1);
int touched = 0;
int id1 = equeue_call(&q1, simple_func, &touched);
int id2 = equeue_call(&q2, simple_func, &touched);
test_assert(id1 && id2);
equeue_dispatch(&q1, 0);
test_assert(touched == 2);
equeue_chain(&q2, 0);
equeue_chain(&q1, &q2);
id1 = equeue_call(&q1, simple_func, &touched);
id2 = equeue_call(&q2, simple_func, &touched);
test_assert(id1 && id2);
equeue_dispatch(&q2, 0);
test_assert(touched == 4);
equeue_destroy(&q1);
equeue_destroy(&q2);
}
// Barrage tests
void simple_barrage_test(int N) {
equeue_t q;
int err = equeue_create(&q, N*(EQUEUE_EVENT_SIZE+sizeof(struct timing)));
test_assert(!err);
for (int i = 0; i < N; i++) {
struct timing *timing = equeue_alloc(&q, sizeof(struct timing));
test_assert(timing);
timing->tick = equeue_tick();
timing->delay = (i+1)*100;
equeue_event_delay(timing, timing->delay);
equeue_event_period(timing, timing->delay);
int id = equeue_post(&q, timing_func, timing);
test_assert(id);
}
equeue_dispatch(&q, N*100);
equeue_destroy(&q);
}
void fragmenting_barrage_test(int N) {
equeue_t q;
int err = equeue_create(&q,
2*N*(EQUEUE_EVENT_SIZE+sizeof(struct fragment)+N*sizeof(int)));
test_assert(!err);
for (int i = 0; i < N; i++) {
size_t size = sizeof(struct fragment) + i*sizeof(int);
struct fragment *fragment = equeue_alloc(&q, size);
test_assert(fragment);
fragment->q = &q;
fragment->size = size;
fragment->timing.tick = equeue_tick();
fragment->timing.delay = (i+1)*100;
equeue_event_delay(fragment, fragment->timing.delay);
int id = equeue_post(&q, fragment_func, fragment);
test_assert(id);
}
equeue_dispatch(&q, N*100);
equeue_destroy(&q);
}
struct ethread {
pthread_t thread;
equeue_t *q;
int ms;
};
static void *ethread_dispatch(void *p) {
struct ethread *t = (struct ethread*)p;
equeue_dispatch(t->q, t->ms);
return 0;
}
void multithreaded_barrage_test(int N) {
equeue_t q;
int err = equeue_create(&q, N*(EQUEUE_EVENT_SIZE+sizeof(struct timing)));
test_assert(!err);
struct ethread t;
t.q = &q;
t.ms = N*100;
err = pthread_create(&t.thread, 0, ethread_dispatch, &t);
test_assert(!err);
for (int i = 0; i < N; i++) {
struct timing *timing = equeue_alloc(&q, sizeof(struct timing));
test_assert(timing);
timing->tick = equeue_tick();
timing->delay = (i+1)*100;
equeue_event_delay(timing, timing->delay);
equeue_event_period(timing, timing->delay);
int id = equeue_post(&q, timing_func, timing);
test_assert(id);
}
err = pthread_join(t.thread, 0);
test_assert(!err);
equeue_destroy(&q);
}
int main() {
printf("beginning tests...\n");
test_run(simple_call_test);
test_run(simple_call_in_test);
test_run(simple_call_every_test);
test_run(simple_post_test);
test_run(destructor_test);
test_run(allocation_failure_test);
test_run(cancel_test, 20);
test_run(cancel_inflight_test);
test_run(cancel_unnecessarily_test);
test_run(loop_protect_test);
test_run(break_test);
test_run(period_test);
test_run(nested_test);
test_run(sloth_test);
test_run(background_test);
test_run(chain_test);
test_run(unchain_test);
test_run(multithread_test);
test_run(simple_barrage_test, 20);
test_run(fragmenting_barrage_test, 20);
test_run(multithreaded_barrage_test, 20);
printf("done!\n");
return test_failure;
}