esp-idf/components/freertos/test/test_malloc.c
2017-03-08 19:44:57 +08:00

50 lines
1.1 KiB
C

/*
Generic test for malloc/free
*/
#include <esp_types.h>
#include <stdio.h>
#include "rom/ets_sys.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/queue.h"
#include "freertos/xtensa_api.h"
#include "unity.h"
#include "soc/uart_reg.h"
#include "soc/dport_reg.h"
#include "soc/io_mux_reg.h"
static int tryAllocMem() {
int **mem;
int i, noAllocated, j;
mem=malloc(sizeof(int)*1024);
if (!mem) return 0;
for (i=0; i<1024; i++) {
mem[i]=malloc(1024);
if (mem[i]==NULL) break;
for (j=0; j<1024/4; j++) mem[i][j]=(0xdeadbeef);
}
noAllocated=i;
for (i=0; i<noAllocated; i++) {
for (j=0; j<1024/4; j++) {
TEST_ASSERT(mem[i][j]==(0xdeadbeef));
}
free(mem[i]);
}
free(mem);
return noAllocated;
}
TEST_CASE("Malloc/overwrite, then free all available DRAM", "[freertos]")
{
int m1=0, m2=0;
m1=tryAllocMem();
m2=tryAllocMem();
printf("Could allocate %dK on first try, %dK on 2nd try.\n", m1, m2);
TEST_ASSERT(m1==m2);
}