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106 lines
1.7 KiB
106 lines
1.7 KiB
/* test 6 */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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int max_error = 3;
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#include "common.h"
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int subtest = 1;
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int zilch[5000];
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int main(int argc, char *argv []);
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void test6a(void);
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void test6b(void);
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int main(argc, argv)
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int argc;
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char *argv[];
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{
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int i, m = 0xFFFF;
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if (argc == 2) m = atoi(argv[1]);
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start(6);
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for (i = 0; i < 70; i++) {
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if (m & 00001) test6a();
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if (m & 00002) test6b();
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}
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quit();
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return(-1); /* impossible */
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}
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void test6a()
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{
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/* Test sbrk() and brk(). */
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char *addr, *addr2, *addr3;
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int i, del, click, click2;
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subtest = 1;
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addr = sbrk(0);
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addr = sbrk(0); /* force break to a click boundary */
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for (i = 0; i < 10; i++) sbrk(7 * i);
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for (i = 0; i < 10; i++) sbrk(-7 * i);
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if (sbrk(0) != addr) e(1);
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sbrk(30);
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if (brk(addr) != 0) e(2);
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if (sbrk(0) != addr) e(3);
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del = 0;
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do {
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del++;
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brk(addr + del);
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addr2 = sbrk(0);
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} while (addr2 == addr);
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click = addr2 - addr;
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sbrk(-1);
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if (sbrk(0) != addr) e(4);
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brk(addr);
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if (sbrk(0) != addr) e(5);
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del = 0;
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do {
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del++;
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brk(addr - del);
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addr3 = sbrk(0);
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} while (addr3 == addr);
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click2 = addr - addr3;
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sbrk(1);
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if (sbrk(0) != addr) e(6);
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brk(addr);
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if (sbrk(0) != addr) e(8);
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if (click != click2) e(9);
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brk(addr + 2 * click);
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if (sbrk(0) != addr + 2 * click) e(10);
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sbrk(3 * click);
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if (sbrk(0) != addr + 5 * click) e(11);
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sbrk(-5 * click);
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if (sbrk(0) != addr) e(12);
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}
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void test6b()
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{
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int i, err;
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subtest = 2;
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signal(SIGQUIT, SIG_IGN);
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err = 0;
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for (i = 0; i < 5000; i++)
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if (zilch[i] != 0) err++;
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if (err > 0) e(1);
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kill(getpid(), SIGQUIT);
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}
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