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authorAvatar Ciaran McCreesh <ciaran.mccreesh@googlemail.com> 2006-10-11 20:56:59 +0000
committerAvatar Ciaran McCreesh <ciaran.mccreesh@googlemail.com> 2006-10-11 20:56:59 +0000
commite3b86134db7baada7b3a1e779e7d6d046ab53a1a (patch)
tree6acb3c0de68e1b95dbba8f0e00f770b8f31e4bac /0.8.0/paludis/util/instantiation_policy_TEST.cc
parentab9cdb1150d97449e857cd55fe706377c9ab2422 (diff)
downloadpaludis-0.8.0.tar.gz
paludis-0.8.0.tar.xz
Tag release 0.8.00.8.0
Diffstat (limited to '0.8.0/paludis/util/instantiation_policy_TEST.cc')
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+/* vim: set sw=4 sts=4 et foldmethod=syntax : */
+
+/*
+ * Copyright (c) 2005, 2006 Ciaran McCreesh <ciaranm@ciaranm.org>
+ *
+ * This file is part of the Paludis package manager. Paludis is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU General
+ * Public License version 2, as published by the Free Software Foundation.
+ *
+ * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <paludis/util/instantiation_policy.hh>
+#include <string>
+#include <test/test_framework.hh>
+#include <test/test_runner.hh>
+
+using namespace test;
+using namespace paludis;
+
+/** \file
+ * Test cases for instantiation_policy.hh .
+ *
+ * \ingroup grptestcases
+ */
+
+namespace
+{
+ /**
+ * Test class for InstantiationPolicy.
+ *
+ * \ingroup grptestcases
+ */
+ class MyClass :
+ public InstantiationPolicy<MyClass, instantiation_method::SingletonAsNeededTag>
+ {
+ friend class InstantiationPolicy<MyClass, instantiation_method::SingletonAsNeededTag>;
+
+ private:
+ MyClass()
+ {
+ ++instances;
+ }
+
+ public:
+ std::string s;
+
+ static int instances;
+ };
+
+ int MyClass::instances = 0;
+
+ class MyClassTwo :
+ public InstantiationPolicy<MyClassTwo, instantiation_method::SingletonAsNeededTag>
+ {
+ friend class InstantiationPolicy<MyClassTwo, instantiation_method::SingletonAsNeededTag>;
+
+ private:
+ MyClassTwo()
+ {
+ ++instances;
+ }
+
+ ~MyClassTwo()
+ {
+ --instances;
+ }
+
+ public:
+ std::string s;
+
+ static int instances;
+ };
+
+ int MyClassTwo::instances = 0;
+
+ struct MyLoadAtStartupClass :
+ public InstantiationPolicy<MyLoadAtStartupClass, instantiation_method::SingletonAtStartupTag>
+ {
+ friend class InstantiationPolicy<MyLoadAtStartupClass, instantiation_method::SingletonAtStartupTag>;
+
+ private:
+ MyLoadAtStartupClass()
+ {
+ ++instances;
+ }
+
+ public:
+ std::string s;
+
+ static int instances;
+ };
+
+ int MyLoadAtStartupClass::instances = 0;
+}
+
+namespace test_cases
+{
+ /**
+ * \test Test singleton behaviour.
+ *
+ * \ingroup grptestcases
+ */
+ struct SingletonPatternTest : TestCase
+ {
+ SingletonPatternTest() : TestCase("singleton test") { }
+
+ bool repeatable() const
+ {
+ return false;
+ }
+
+ void run()
+ {
+ TEST_CHECK_EQUAL(MyClass::instances, 0);
+ TEST_CHECK(0 != MyClass::get_instance());
+ TEST_CHECK_EQUAL(MyClass::instances, 1);
+ TEST_CHECK(MyClass::get_instance() == MyClass::get_instance());
+ TEST_CHECK(MyClass::get_instance()->s.empty());
+ MyClass::get_instance()->s = "foo";
+ TEST_CHECK_EQUAL(MyClass::get_instance()->s, "foo");
+ }
+ } test_singleton_pattern;
+
+ /**
+ * \test Test singleton behaviour.
+ *
+ * \ingroup grptestcases
+ */
+ struct SingletonPatternDeleteTest : TestCase
+ {
+ SingletonPatternDeleteTest() : TestCase("singleton delete test") { }
+
+ bool repeatable() const
+ {
+ return false;
+ }
+
+ void run()
+ {
+ TEST_CHECK_EQUAL(MyClassTwo::instances, 0);
+ TEST_CHECK(0 != MyClassTwo::get_instance());
+ TEST_CHECK_EQUAL(MyClassTwo::instances, 1);
+ TEST_CHECK(MyClassTwo::get_instance() == MyClassTwo::get_instance());
+ TEST_CHECK(MyClassTwo::get_instance()->s.empty());
+ MyClassTwo::get_instance()->s = "foo";
+ TEST_CHECK_EQUAL(MyClassTwo::get_instance()->s, "foo");
+ MyClassTwo::destroy_instance();
+ TEST_CHECK_EQUAL(MyClassTwo::instances, 0);
+ TEST_CHECK(0 != MyClassTwo::get_instance());
+ TEST_CHECK_EQUAL(MyClassTwo::instances, 1);
+ TEST_CHECK(MyClassTwo::get_instance()->s.empty());
+ }
+ } test_singleton_pattern_delete;
+
+ /**
+ * \test Test singleton create at startup behaviour.
+ *
+ * \ingroup grptestcases
+ */
+ struct SingletonPatternCreateAtStartupTest : TestCase
+ {
+ SingletonPatternCreateAtStartupTest() : TestCase("singleton create at startup test") { }
+
+ bool repeatable() const
+ {
+ return false;
+ }
+
+ void run()
+ {
+ TEST_CHECK_EQUAL(MyLoadAtStartupClass::instances, 1);
+ TEST_CHECK(0 != MyLoadAtStartupClass::get_instance());
+ TEST_CHECK_EQUAL(MyLoadAtStartupClass::instances, 1);
+ TEST_CHECK(MyLoadAtStartupClass::get_instance() == MyLoadAtStartupClass::get_instance());
+ TEST_CHECK(MyLoadAtStartupClass::get_instance()->s.empty());
+ MyLoadAtStartupClass::get_instance()->s = "foo";
+ TEST_CHECK_EQUAL(MyLoadAtStartupClass::get_instance()->s, "foo");
+ }
+ } test_singleton_pattern_create_at_startup;
+}
+
+
+