76 строки
2.0 KiB
C
76 строки
2.0 KiB
C
// Emscripten tests
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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int main(int ac, char **av)
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{
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int NUM = ac > 1 ? atoi(av[1]) : 0;
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int REPS = ac > 2 ? atoi(av[2]) : 0;
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int c1 = 0, c2 = 0;
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for (int x = 0; x < REPS; x++) {
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char* allocations[NUM];
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for (int i = 0; i < NUM/2; i++) {
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allocations[i] = (char*)malloc((11*i)%1024 + x);
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//printf("zz alloc: %d\n", (int)allocations[i]);
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assert(allocations[i]);
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if (i > 10 && i%4 == 1 && allocations[i-10]) {
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//printf("zz free: %d\n", (int)allocations[i-10]);
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free(allocations[i-10]);
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allocations[i-10] = NULL;
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}
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}
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for (int i = NUM/2; i < NUM; i++) {
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allocations[i] = (char*)malloc(1024*(i+1));
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//printf("zz alloc: %d\n", (int)allocations[i]);
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assert(allocations[i]);
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if (i > 10 && i%4 != 1 && allocations[i-10]) {
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//printf("zz free: %d\n", (int)allocations[i-10]);
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free(allocations[i-10]);
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allocations[i-10] = NULL;
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}
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}
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char* first = allocations[0];
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for (int i = 0; i < NUM; i++) {
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if (allocations[i]) {
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//printf("zz free: %d\n", (int)allocations[i]);
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free(allocations[i]);
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}
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}
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char *last = (char*)malloc(512); // should be identical, as we free'd it all
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//printf("zz last: %d\n", (int)last);
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char *newer = (char*)malloc(512); // should be different
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//printf("zz newer: %d\n", (int)newer);
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c1 += first == last;
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c2 += first == newer;
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}
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printf("*%d,%d*\n", c1, c2);
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}
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/* Some debugging tools: Make JS and native code work exactly the same */
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/*
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time_t time ( time_t * timer )
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{
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if (timer) *timer = 1;
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return 1;
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}
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long sysconf(int name)
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{
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printf("sysconf: %d (30 is page size)\n", name);
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return 4096;
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}
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void *sbrk(intptr_t increment)
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{
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static char spaace[1024*1024*1];
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static intptr_t where = 0;
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printf("sbrk! spaace=%d (%d,%d)\n", (int)&spaace[0], where, increment); // copy the value printed at runtime here in native code into your js
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void *ret = &spaace[where];
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where += increment;
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return ret;
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}
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*/
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