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#include <config.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/tagfile.h>
#include <string>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "assert.h"
char *tempfile = NULL;
int tempfile_fd = -1;
static void remove_tmpfile(void)
if (tempfile_fd > 0)
if (tempfile != NULL) {
int main()
FileFd fd;
const char contents[] = "FieldA-12345678: the value of the field";
tempfile = strdup("apt-test.XXXXXXXX");
tempfile_fd = mkstemp(tempfile);
/* (Re-)Open (as FileFd), write and seek to start of the temp file */
equals(fd.OpenDescriptor(tempfile_fd, FileFd::ReadWrite), true);
equals(fd.Write(contents, strlen(contents)), true);
equals(fd.Seek(0), true);
pkgTagFile tfile(&fd);
pkgTagSection section;
equals(tfile.Step(section), true);
/* It has one field */
equals(section.Count(), 1);
/* ... and it is called FieldA-12345678 */
equals(section.Exists("FieldA-12345678"), true);
/* its value is correct */
equals(section.FindS("FieldA-12345678"), std::string("the value of the field"));
/* A non-existent field has an empty string as value */
equals(section.FindS("FieldB-12345678"), std::string());
/* ... and Exists does not lie about missing fields... */
equalsNot(section.Exists("FieldB-12345678"), true);
/* There is only one section in this tag file */
equals(tfile.Step(section), false);
/* clean up handled by atexit handler, so just return here */
return 0;