Add keycode.cpp unittests

src/unittest/CMakeLists.txt

@@ -6,6 +6,7 @@ set (UNITTEST_SRCS
 	${CMAKE_CURRENT_SOURCE_DIR}/test_connection.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/test_filepath.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/test_inventory.cpp
+	${CMAKE_CURRENT_SOURCE_DIR}/test_keycode.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/test_map_settings_manager.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/test_mapnode.cpp
 	${CMAKE_CURRENT_SOURCE_DIR}/test_nodedef.cpp

src/unittest/test_keycode.cpp

+/*
+Minetest
+Copyright (C) 2016 sfan5 <sfan5@live.de>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "test.h"
+
+#include <string>
+#include "exceptions.h"
+#include "keycode.h"
+
+class TestKeycode : public TestBase {
+public:
+	TestKeycode() { TestManager::registerTestModule(this); }
+	const char *getName() { return "TestKeycode"; }
+
+	void runTests(IGameDef *gamedef);
+
+	void testCreateFromString();
+	void testCreateFromSKeyInput();
+	void testCompare();
+};
+
+static TestKeycode g_test_instance;
+
+void TestKeycode::runTests(IGameDef *gamedef)
+{
+	TEST(testCreateFromString);
+	TEST(testCreateFromSKeyInput);
+	TEST(testCompare);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+#define UASSERTEQ_STR(one, two) UASSERT(strcmp(one, two) == 0)
+
+void TestKeycode::testCreateFromString()
+{
+	KeyPress k;
+
+	// Character key, from char
+	k = KeyPress("R");
+	UASSERTEQ_STR(k.sym(), "KEY_KEY_R");
+	UASSERTCMP(int, >, strlen(k.name()), 0); // should have human description
+
+	// Character key, from identifier
+	k = KeyPress("KEY_KEY_B");
+	UASSERTEQ_STR(k.sym(), "KEY_KEY_B");
+	UASSERTCMP(int, >, strlen(k.name()), 0);
+
+	// Non-Character key, from identifier
+	k = KeyPress("KEY_UP");
+	UASSERTEQ_STR(k.sym(), "KEY_UP");
+	UASSERTCMP(int, >, strlen(k.name()), 0);
+
+	k = KeyPress("KEY_F6");
+	UASSERTEQ_STR(k.sym(), "KEY_F6");
+	UASSERTCMP(int, >, strlen(k.name()), 0);
+
+	// Irrlicht-unknown key, from char
+	k = KeyPress("/");
+	UASSERTEQ_STR(k.sym(), "/");
+	UASSERTCMP(int, >, strlen(k.name()), 0);
+}
+
+void TestKeycode::testCreateFromSKeyInput()
+{
+	KeyPress k;
+	irr::SEvent::SKeyInput in;
+
+	// Character key
+	in.Key = irr::KEY_KEY_3;
+	in.Char = L'3';
+	k = KeyPress(in);
+	UASSERTEQ_STR(k.sym(), "KEY_KEY_3");
+
+	// Non-Character key
+	in.Key = irr::KEY_RSHIFT;
+	in.Char = L'\0';
+	k = KeyPress(in);
+	UASSERTEQ_STR(k.sym(), "KEY_RSHIFT");
+
+	// Irrlicht-unknown key
+	in.Key = irr::KEY_KEY_CODES_COUNT;
+	in.Char = L'?';
+	k = KeyPress(in);
+	UASSERTEQ_STR(k.sym(), "?");
+
+	// prefer_character mode
+	in.Key = irr::KEY_COMMA;
+	in.Char = L'G';
+	k = KeyPress(in, true);
+	UASSERTEQ_STR(k.sym(), "KEY_KEY_G");
+}
+
+void TestKeycode::testCompare()
+{
+	// Basic comparison
+	UASSERT(KeyPress("5") == KeyPress("KEY_KEY_5"));
+	UASSERT(!(KeyPress("5") == KeyPress("KEY_NUMPAD_5")));
+
+	// Matching char suffices
+	// note: This is a real-world example, Irrlicht maps XK_equal to irr::KEY_PLUS on Linux
+	irr::SEvent::SKeyInput in;
+	in.Key = irr::KEY_PLUS;
+	in.Char = L'=';
+	UASSERT(KeyPress("=") == KeyPress(in));
+
+	// Matching keycode suffices
+	irr::SEvent::SKeyInput in2;
+	in.Key = in2.Key = irr::KEY_OEM_CLEAR;
+	in.Char = L'\0';
+	in2.Char = L';';
+	UASSERT(KeyPress(in) == KeyPress(in2));
+}