use Google C++ Testing Framework for libapt tests

My commit 45df0ad2 from 26. Nov 2009 had a little remark:
"The commit also includes a very very simple testapp."
This was never intended to be permanent, but as usually…

The commit adds the needed make magic to compile gtest statically
as it is required and links it against a small runner. All previous
testcase binaries are reimplemented in gtest and combined in this
runner. While most code is a 1:1 translation some had to be rewritten
like compareversion_test.cc, but the coverage remains the same.

1 files changed, 16 insertions, 33 deletions

diff --git a/test/libapt/sourcelist_test.cc b/test/libapt/sourcelist_test.cc
index 71aa54f1e..eb2d76c43 100644
--- a/test/libapt/sourcelist_test.cc
+++ b/test/libapt/sourcelist_test.cc
@@ -1,6 +1,5 @@
 #include <config.h>
 
-#include <apt-pkg/configuration.h>
 #include <apt-pkg/sourcelist.h>
 #include <apt-pkg/fileutl.h>
 
@@ -9,26 +8,20 @@
 #include <string.h>
 #include <unistd.h>
 
-#include "assert.h"
+#include <gtest/gtest.h>
 
-char *tempfile = NULL;
-int tempfile_fd = -1;
+#include "file-helpers.h"
 
-static void remove_tmpfile(void)
-{
-   if (tempfile_fd > 0)
-      close(tempfile_fd);
-   if (tempfile != NULL) {
-      unlink(tempfile);
-      free(tempfile);
-   }
-}
+class SourceList : public pkgSourceList {
+   public:
+      using pkgSourceList::ParseFileDeb822;
+};
 
-int main()
+TEST(SourceListTest,ParseFileDeb822)
 {
-  _config->Set("APT::Sources::Use-Deb822", true);
-
-   const char contents[] = ""
+   FileFd fd;
+   char * tempfile;
+   createTemporaryFile("parsefiledeb822", fd, &tempfile,
       "Types: deb\n"
       "URIs: http://ftp.debian.org/debian\n"
       "Suites: stable\n"
@@ -39,22 +32,12 @@ int main()
       "Types: deb\n"
       "URIs: http://ftp.debian.org/debian\n"
       "Suites: unstable\n"
-      "Sections: main non-free\n"
-      ;
-
-   FileFd fd;
-   atexit(remove_tmpfile);
-   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);
+      "Sections: main non-free\n");
+   fd.Close();
 
-   pkgSourceList sources(tempfile);
-   equals(sources.size(), 2);
+   SourceList sources;
+   EXPECT_EQ(2, sources.ParseFileDeb822(tempfile));
+   EXPECT_EQ(2, sources.size());
 
-   /* clean up handled by atexit handler, so just return here */
-   return 0;
+   unlink(tempfile);
 }