86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
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#include <inc/x86.h>
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#include <inc/lib.h>
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void wrong(int, int, int);
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void
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umain(int argc, char **argv)
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{
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char c1, c2;
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int r, rfd, wfd, kfd, n1, n2, off, nloff;
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int pfds[2];
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close(0);
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close(1);
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opencons();
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opencons();
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if ((rfd = open("testshell.sh", O_RDONLY)) < 0)
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panic("open testshell.sh: %e", rfd);
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if ((wfd = pipe(pfds)) < 0)
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panic("pipe: %e", wfd);
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wfd = pfds[1];
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cprintf("running sh -x < testshell.sh | cat\n");
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if ((r = fork()) < 0)
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panic("fork: %e", r);
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if (r == 0) {
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dup(rfd, 0);
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dup(wfd, 1);
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close(rfd);
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close(wfd);
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if ((r = spawnl("/sh", "sh", "-x", 0)) < 0)
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panic("spawn: %e", r);
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close(0);
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close(1);
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wait(r);
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exit();
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}
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close(rfd);
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close(wfd);
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rfd = pfds[0];
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if ((kfd = open("testshell.key", O_RDONLY)) < 0)
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panic("open testshell.key for reading: %e", kfd);
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nloff = 0;
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for (off=0;; off++) {
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n1 = read(rfd, &c1, 1);
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n2 = read(kfd, &c2, 1);
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if (n1 < 0)
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panic("reading testshell.out: %e", n1);
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if (n2 < 0)
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panic("reading testshell.key: %e", n2);
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if (n1 == 0 && n2 == 0)
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break;
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if (n1 != 1 || n2 != 1 || c1 != c2)
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wrong(rfd, kfd, nloff);
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if (c1 == '\n')
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nloff = off+1;
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}
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cprintf("shell ran correctly\n");
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breakpoint();
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}
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void
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wrong(int rfd, int kfd, int off)
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{
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char buf[100];
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int n;
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seek(rfd, off);
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seek(kfd, off);
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cprintf("shell produced incorrect output.\n");
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cprintf("expected:\n===\n");
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while ((n = read(kfd, buf, sizeof buf-1)) > 0)
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sys_cputs(buf, n);
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cprintf("===\ngot:\n===\n");
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while ((n = read(rfd, buf, sizeof buf-1)) > 0)
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sys_cputs(buf, n);
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cprintf("===\n");
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exit();
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}
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