29 lines
742 B
C
29 lines
742 B
C
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/* Maps the same file into memory twice and verifies that the
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same data is readable in both. */
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#include <string.h>
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#include <syscall.h>
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#include "tests/vm/sample.inc"
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#include "tests/lib.h"
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#include "tests/main.h"
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void
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test_main (void)
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{
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char *actual[2] = {(char *) 0x10000000, (char *) 0x20000000};
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size_t i;
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int handle[2];
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for (i = 0; i < 2; i++)
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{
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CHECK ((handle[i] = open ("sample.txt")) > 1,
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"open \"sample.txt\" #%zu", i);
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CHECK (mmap (handle[i], actual[i]) != MAP_FAILED,
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"mmap \"sample.txt\" #%zu at %p", i, (void *) actual[i]);
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}
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for (i = 0; i < 2; i++)
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CHECK (!memcmp (actual[i], sample, strlen (sample)),
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"compare mmap'd file %zu against data", i);
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}
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