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authorMichael Vogt <mvo@ubuntu.com>2014-04-28 17:01:58 +0200
committerMichael Vogt <mvo@ubuntu.com>2014-04-28 17:01:58 +0200
commit4e3180ff00ae32e4d836517180137048ac3cdfc7 (patch)
treeed8d38a42c3aea1462bb84439ab05935833d754e /test/libapt/fileutl_test.cc
parenteafc5435878d4013262131e5506c52d77b8a4bd4 (diff)
parent7ad2a3477f39e2eac221c53e5f94954f481eb1b4 (diff)
Merge branch 'feature/popen' into feature/apt-install-deb
Diffstat (limited to 'test/libapt/fileutl_test.cc')
-rw-r--r--test/libapt/fileutl_test.cc48
1 files changed, 48 insertions, 0 deletions
diff --git a/test/libapt/fileutl_test.cc b/test/libapt/fileutl_test.cc
index 643c02297..c2a43eda7 100644
--- a/test/libapt/fileutl_test.cc
+++ b/test/libapt/fileutl_test.cc
@@ -224,3 +224,51 @@ TEST(FileUtlTest, GetTempDir)
if (old_tmpdir.empty() == false)
setenv("TMPDIR", old_tmpdir.c_str(), 1);
}
+
+TEST(FileUtlTest, Popen)
+{
+ FileFd Fd;
+ pid_t Child;
+ char buf[1024];
+ std::string s;
+ unsigned long long n = 0;
+ std::vector<std::string> OpenFds;
+
+ // count Fds to ensure we don't have a resource leak
+ if(FileExists("/proc/self/fd"))
+ OpenFds = Glob("/proc/self/fd/*");
+
+ // output something
+ const char* Args[10] = {"/bin/echo", "meepmeep", NULL};
+ bool res = Popen(Args, Fd, Child, FileFd::ReadOnly);
+ Fd.Read(buf, sizeof(buf)-1, &n);
+ buf[n] = 0;
+ EXPECT_NE(n, 0);
+ EXPECT_EQ(res, true);
+ EXPECT_STREQ(buf, "meepmeep\n");
+
+ // wait for the child to exit and cleanup
+ ExecWait(Child, "PopenRead");
+ Fd.Close();
+
+ // ensure that after a close all is good again
+ if(FileExists("/proc/self/fd"))
+ EXPECT_EQ(Glob("/proc/self/fd/*").size(), OpenFds.size());
+
+
+ // ReadWrite is not supported
+ res = Popen(Args, Fd, Child, FileFd::ReadWrite);
+ EXPECT_EQ(res, false);
+ _error->Discard();
+
+ // write something
+ Args[0] = "/bin/bash";
+ Args[1] = "-c";
+ Args[2] = "read";
+ Args[3] = NULL;
+ res = Popen(Args, Fd, Child, FileFd::WriteOnly);
+ s = "\n";
+ Fd.Write(s.c_str(), s.size());
+ Fd.Close();
+ ExecWait(Child, "PopenWrite");
+}