TESTS: Add unit tests for PtrMap

tests/common/ptrmap.cpp

@@ -0,0 +1,107 @@
+/* xoreos - A reimplementation of BioWare's Aurora engine
+ *
+ * xoreos is the legal property of its developers, whose names
+ * can be found in the AUTHORS file distributed with this source
+ * distribution.
+ *
+ * xoreos is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file
+ *  Unit tests for our PtrMap templates.
+ */
+
+#include "gtest/gtest.h"
+
+#include "src/common/system.h"
+#include "src/common/ptrmap.h"
+
+static unsigned int kConstructorCalled = 0;
+static unsigned int kDestructorCalled  = 0;
+
+class TestClass {
+public:
+	TestClass () { kConstructorCalled++; }
+	~TestClass() { kDestructorCalled++; }
+};
+
+class PtrMap : public ::testing::Test {
+protected:
+	void SetUp() {
+		kConstructorCalled = 0;
+		kDestructorCalled = 0;
+	}
+};
+
+GTEST_TEST_F(PtrMap, createAndDestroy) {
+	{
+		Common::PtrMap<int, TestClass> ptrMap;
+
+		ptrMap.insert(std::make_pair(0, new TestClass));
+		ptrMap.insert(std::make_pair(2, new TestClass));
+		ptrMap.insert(std::make_pair(1, new TestClass));
+		ptrMap.insert(std::make_pair(3, new TestClass));
+
+		EXPECT_EQ(kConstructorCalled, 4);
+		EXPECT_EQ(kDestructorCalled , 0);
+	}
+
+	EXPECT_EQ(kConstructorCalled, 4);
+	EXPECT_EQ(kDestructorCalled , 4);
+}
+
+GTEST_TEST_F(PtrMap, clear) {
+	Common::PtrMap<int, TestClass> ptrMap;
+
+	ptrMap.insert(std::make_pair(0, new TestClass));
+	ptrMap.clear();
+
+	EXPECT_EQ(kConstructorCalled, 1);
+	EXPECT_EQ(kDestructorCalled , 1);
+}
+
+GTEST_TEST_F(PtrMap, erasePosition) {
+	Common::PtrMap<int, TestClass> ptrMap;
+
+	ptrMap.insert(std::make_pair(0, new TestClass));
+	ptrMap.erase(ptrMap.begin());
+
+	EXPECT_EQ(kConstructorCalled, 1);
+	EXPECT_EQ(kDestructorCalled , 1);
+}
+
+GTEST_TEST_F(PtrMap, eraseRange) {
+	Common::PtrMap<int, TestClass> ptrMap;
+
+	ptrMap.insert(std::make_pair(0, new TestClass));
+	ptrMap.insert(std::make_pair(1, new TestClass));
+	ptrMap.insert(std::make_pair(2, new TestClass));
+	ptrMap.erase(ptrMap.begin(), ptrMap.end());
+
+	EXPECT_EQ(kConstructorCalled, 3);
+	EXPECT_EQ(kDestructorCalled , 3);
+}
+
+GTEST_TEST_F(PtrMap, eraseVal) {
+	Common::PtrMap<int, TestClass> ptrMap;
+
+	ptrMap.insert(std::make_pair(0, new TestClass));
+	ptrMap.insert(std::make_pair(1, new TestClass));
+	ptrMap.insert(std::make_pair(2, new TestClass));
+
+	ptrMap.erase(1);
+
+	EXPECT_EQ(kConstructorCalled, 3);
+	EXPECT_EQ(kDestructorCalled , 1);
+}

tests/common/rules.mk

@@ -49,3 +49,8 @@ check_PROGRAMS                      += tests/common/test_ptrvector
 tests_common_test_ptrvector_SOURCES  = tests/common/ptrvector.cpp
 tests_common_test_ptrvector_LDADD    = $(common_LIBS)
 tests_common_test_ptrvector_CXXFLAGS = $(test_CXXFLAGS)
+
+check_PROGRAMS                   += tests/common/test_ptrmap
+tests_common_test_ptrmap_SOURCES  = tests/common/ptrmap.cpp
+tests_common_test_ptrmap_LDADD    = $(common_LIBS)
+tests_common_test_ptrmap_CXXFLAGS = $(test_CXXFLAGS)