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#include <test.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <alloc.h>
char *file_read_string(FILE *in)
{
fpos_t pos;
long size;
char *buffer;
assert_int_equal(fgetpos(in, &pos), 0);
assert_int_equal(fseek(in, 0, SEEK_END), 0);
size = ftell(in);
assert_true(size >= 0);
assert_int_equal(fseek(in, 0, SEEK_SET), 0);
buffer = xcalloc(size + 1L, sizeof(char));
assert_int_equal(fread(buffer, 1, size, in), size);
assert_int_equal(fsetpos(in, &pos), 0);
return buffer;
}
void assert_file_equal(FILE *a, FILE *b)
{
char *a_buffer = file_read_string(a);
char *b_buffer = file_read_string(b);
if (strcmp(a_buffer, b_buffer) != 0)
{
printf("\n=====\n%s != \n=====\n%s\n", a_buffer, b_buffer);
fail();
}
free(a_buffer);
free(b_buffer);
}
#define SMALL_DIFF 1e-14
void _assert_double_close(double left, double right, const char *const file, const int line)
{
if (fabs(left - right) > SMALL_DIFF)
{
print_error("%f != %f (+- 1e-14)\n", left, right);
_fail(file, line);
}
}
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