Add test for getaddrinfo on empty host.

* This should fail immediately, but it timeouts after 22 seconds when
the network interfaces are not configured properly.

src/tests/kits/net/Jamfile

@@ -39,6 +39,7 @@ SubInclude HAIKU_TOP src tests kits net ipv6 ;
 HaikuSubInclude libnetapi ;
 SubInclude HAIKU_TOP src tests kits net multicast ;
 SubInclude HAIKU_TOP src tests kits net netperf ;
+SubInclude HAIKU_TOP src tests kits net posixnet ;
 SubInclude HAIKU_TOP src tests kits net service ;
 SubInclude HAIKU_TOP src tests kits net sock ;
 SubInclude HAIKU_TOP src tests kits net tcp_shell ;

src/tests/kits/net/posixnet/GetAddrInfo.cpp

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2014, Haiku, inc.
+ * Distributed under the terms of the MIT licence
+ */
+
+
+#include "GetAddrInfo.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+#include <cppunit/TestCaller.h>
+#include <cppunit/TestSuite.h>
+
+
+GetAddrInfoTest::GetAddrInfoTest()
+{
+}
+
+
+GetAddrInfoTest::~GetAddrInfoTest()
+{
+}
+
+
+void
+GetAddrInfoTest::EmptyTest()
+{
+	struct addrinfo* info;
+	addrinfo hint = {0};
+	hint.ai_family = AF_INET;
+	hint.ai_flags = AI_PASSIVE;
+
+	// Trying to resolve an empty host...
+	int result = getaddrinfo("", NULL, &hint, &info);
+
+	if (info)
+		freeaddrinfo(info);
+
+	// getaddrinfo shouldn't suggest that this may work better by trying again.
+	CPPUNIT_ASSERT(result != EAI_EAGAIN);
+	// TODO it should also not take 22 seconds before it says so!
+}
+
+
+/* static */ void
+GetAddrInfoTest::AddTests(BTestSuite& parent)
+{
+	CppUnit::TestSuite& suite = *new CppUnit::TestSuite("GetAddrInfoTest");
+
+	suite.addTest(new CppUnit::TestCaller<GetAddrInfoTest>(
+		"GetAddrInfoTest::EmptyTest", &GetAddrInfoTest::EmptyTest));
+
+	parent.addTest("GetAddrInfoTest", &suite);
+}

src/tests/kits/net/posixnet/GetAddrInfo.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2014 Haiku, inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef GET_ADDR_INFO_TEST_H
+#define GET_ADDR_INFO_TEST_H
+
+
+#include <TestCase.h>
+#include <TestSuite.h>
+
+
+class GetAddrInfoTest: public BTestCase {
+public:
+					GetAddrInfoTest();
+	virtual			~GetAddrInfoTest();
+
+			void	EmptyTest();
+
+	static	void	AddTests(BTestSuite& suite);
+};
+
+
+#endif
+

src/tests/kits/net/posixnet/Jamfile

@@ -0,0 +1,12 @@
+SubDir HAIKU_TOP src tests kits net posixnet ;
+
+UsePrivateHeaders private shared ;
+
+UnitTestLib posixnettest.so :
+	PosixNetTestAddon.cpp
+
+	GetAddrInfo.cpp
+
+	: be $(TARGET_NETWORK_LIBS) [ TargetLibstdc++ ]
+	;
+

src/tests/kits/net/posixnet/PosixNetTestAddon.cpp

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2014 Haiku, Inc.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <TestSuite.h>
+#include <TestSuiteAddon.h>
+
+#include "GetAddrInfo.h"
+
+
+BTestSuite*
+getTestSuite()
+{
+	BTestSuite* suite = new BTestSuite("PosixNet");
+
+	GetAddrInfoTest::AddTests(*suite);
+
+	return suite;
+}
+