1 files changed, 82 insertions, 0 deletions
diff --git a/Swiften/Network/UnitTest/DomainNameServiceQueryTest.cpp b/Swiften/Network/UnitTest/DomainNameServiceQueryTest.cpp
new file mode 100644
index 0000000..aefd815
--- /dev/null
+++ b/Swiften/Network/UnitTest/DomainNameServiceQueryTest.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2012 Remko Tronçon
+ * Licensed under the GNU General Public License v3.
+ * See Documentation/Licenses/GPLv3.txt for more information.
+ */
+
+#include <QA/Checker/IO.h>
+
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/extensions/TestFactoryRegistry.h>
+
+#include <Swiften/Network/DomainNameServiceQuery.h>
+#include <Swiften/Base/RandomGenerator.h>
+
+using namespace Swift;
+
+namespace {
+	struct RandomGenerator1 : public RandomGenerator {
+		virtual int generateWeighedRandomNumber(std::vector<double>::const_iterator, std::vector<double>::const_iterator) {
+			return 0;
+		}
+	};
+
+	struct RandomGenerator2 : public RandomGenerator {
+		virtual int generateWeighedRandomNumber(std::vector<double>::const_iterator probabilities_begin, std::vector<double>::const_iterator probabilities_end) {
+			return std::max_element(probabilities_begin, probabilities_end) - probabilities_begin;
+		}
+	};
+}
+
+class DomainNameServiceQueryTest : public CppUnit::TestFixture {
+		CPPUNIT_TEST_SUITE(DomainNameServiceQueryTest);
+		CPPUNIT_TEST(testSortResults_Random1);
+		CPPUNIT_TEST(testSortResults_Random2);
+		CPPUNIT_TEST_SUITE_END();
+
+	public:
+		void testSortResults_Random1() {
+			std::vector<DomainNameServiceQuery::Result> results;
+			results.push_back(DomainNameServiceQuery::Result("server1.com", 5222, 5, 1));
+			results.push_back(DomainNameServiceQuery::Result("server2.com", 5222, 3, 10));
+			results.push_back(DomainNameServiceQuery::Result("server3.com", 5222, 6, 1));
+			results.push_back(DomainNameServiceQuery::Result("server4.com", 5222, 3, 20));
+			results.push_back(DomainNameServiceQuery::Result("server5.com", 5222, 2, 1));
+			results.push_back(DomainNameServiceQuery::Result("server6.com", 5222, 3, 10));
+
+			RandomGenerator1 generator;
+			DomainNameServiceQuery::sortResults(results, generator);
+
+			CPPUNIT_ASSERT_EQUAL(std::string("server5.com"), results[0].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server2.com"), results[1].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server4.com"), results[2].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server6.com"), results[3].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server1.com"), results[4].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server3.com"), results[5].hostname);
+		}
+
+		void testSortResults_Random2() {
+			std::vector<DomainNameServiceQuery::Result> results;
+			results.push_back(DomainNameServiceQuery::Result("server1.com", 5222, 5, 1));
+			results.push_back(DomainNameServiceQuery::Result("server2.com", 5222, 3, 10));
+			results.push_back(DomainNameServiceQuery::Result("server3.com", 5222, 6, 1));
+			results.push_back(DomainNameServiceQuery::Result("server4.com", 5222, 3, 20));
+			results.push_back(DomainNameServiceQuery::Result("server5.com", 5222, 2, 1));
+			results.push_back(DomainNameServiceQuery::Result("server6.com", 5222, 3, 10));
+			results.push_back(DomainNameServiceQuery::Result("server7.com", 5222, 3, 40));
+
+			RandomGenerator2 generator;
+			DomainNameServiceQuery::sortResults(results, generator);
+
+			CPPUNIT_ASSERT_EQUAL(std::string("server5.com"), results[0].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server7.com"), results[1].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server4.com"), results[2].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server6.com"), results[3].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server2.com"), results[4].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server1.com"), results[5].hostname);
+			CPPUNIT_ASSERT_EQUAL(std::string("server3.com"), results[6].hostname);
+		}
+};
+
+
+CPPUNIT_TEST_SUITE_REGISTRATION(DomainNameServiceQueryTest);