56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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//#include <errno.h>
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//#include <limits.h>
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//#include <unistd.h>
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#include "test.h"
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#define TEST(r, f, x, m) ( \
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errno = 0, ((r) = (f)) == (x) || \
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(t_error("%s failed (" m ")\n", #f, r, x, strerror(errno)), 0) )
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#define TEST_S(s, x, m) ( \
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!strcmp((s),(x)) || \
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(t_error("[%s] != [%s] (%s)\n", s, x, m), 0) )
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int main(void)
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{
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int i;
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char a[100];
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FILE *f;
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TEST(i, !(f = fopen("_tmpfile.tmp","w+")), 0, "failed to create temp file %d!=%d (%s)");
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if (!f) return t_status;
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TEST(i, fprintf(f, "hello, world\n"), 13, "%d != %d (%m)");
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TEST(i, fseek(f, 0, SEEK_SET), 0, "%d != %d (%m)");
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TEST(i, feof(f), 0, "%d != %d");
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TEST(i, fgetc(f), 'h', "'%c' != '%c'");
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TEST(i, ftell(f), 1, "%d != %d");
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TEST(i, ungetc('x', f), 'x', "%d != %d");
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TEST(i, ftell(f), 0, "%d != %d");
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TEST(i, fscanf(f, "%[h]", a), 0, "got %d fields, expected %d");
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TEST(i, ftell(f), 0, "%d != %d");
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TEST(i, fgetc(f), 'x', "'%c' != '%c'");
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TEST(i, ftell(f), 1, "%d != %d");
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TEST(i, fseek(f, 0, SEEK_SET), 0, "%d != %d");
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TEST(i, ungetc('x', f), 'x', "%d != %d");
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TEST(i, fread(a, 1, sizeof a, f), 14, "read %d, expected %d");
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a[14] = 0;
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TEST_S(a, "xhello, world\n", "mismatch reading ungot character");
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TEST(i, fseek(f, 0, SEEK_SET), 0, "%d != %d");
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TEST(i, fscanf(f, "%[x]", a), 0, "got %d fields, expected %d");
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TEST(i, ungetc('x', f), 'x', "unget failed after fscanf: %d != %d");
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TEST(i, fgetc(f), 'x', "'%c' != '%c'");
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TEST(i, fgetc(f), 'h', "'%c' != '%c'");
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printf("%s finished\n", __FILE__);
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fclose(f);
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return t_status;
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}
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