Add mini unit testing framework to Dolphin itself - use it to find bugs and verify the portable powerpc fp number classifier. also random cleanup.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3432 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/UnitTests/UnitTests.cpp

@@ -0,0 +1,89 @@
+// Copyright (C) 2003-2009 Dolphin Project.
+
+// This program 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, version 2.0.
+
+// 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 General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include <cmath>
+#include <iostream>
+
+#include "PowerPC/PowerPC.h"
+#include "HW/SI_DeviceGCController.h"
+
+using namespace std;
+
+int fail_count = 0;
+
+#define EXPECT_EQ(a, b) \
+	if ((a) != (b)) { \
+		cout << "FAIL: " << #a << " %s is not equal to " << #b << endl; \
+		cout << "Actual: " << a << endl << "Expected: " << b << endl; \
+		fail_count++; \
+	}
+
+void CoreTests()
+{
+	// Tests that our fp classifier is correct.
+	EXPECT_EQ(PowerPC::PPCFPClass(1.0), 0x4);
+	EXPECT_EQ(PowerPC::PPCFPClass(-1.0), 0x8);
+	EXPECT_EQ(PowerPC::PPCFPClass(1235223.0), 0x4);
+	EXPECT_EQ(PowerPC::PPCFPClass(-126323521.0), 0x8);
+	EXPECT_EQ(PowerPC::PPCFPClass(1.0E-308), 0x14);
+	EXPECT_EQ(PowerPC::PPCFPClass(-1.0E-308), 0x18);
+	EXPECT_EQ(PowerPC::PPCFPClass(0.0), 0x2);
+	EXPECT_EQ(PowerPC::PPCFPClass(-0.0), 0x12);
+	EXPECT_EQ(PowerPC::PPCFPClass(HUGE_VAL), 0x5);  // weird #define for infinity
+	EXPECT_EQ(PowerPC::PPCFPClass(-HUGE_VAL), 0x9);
+	EXPECT_EQ(PowerPC::PPCFPClass(sqrt(-1.0)), 0x11);  // SNAN
+}
+
+int main(int argc, _TCHAR* argv[])
+{
+	CoreTests();
+	if (fail_count == 0)
+	{
+		printf("All tests passed.\n");
+	}
+	return 0;
+}
+
+
+// Pretend that we are a host so we can link to core.... urgh.
+//==============================================================
+void Host_UpdateMainFrame(){}
+void Host_UpdateDisasmDialog(){}
+void Host_UpdateLogDisplay(){}
+void Host_UpdateMemoryView(){}
+void Host_NotifyMapLoaded(){}
+void Host_UpdateBreakPointView(){}
+void Host_SetDebugMode(bool enable){}
+
+void Host_SetWaitCursor(bool enable){}
+
+void Host_UpdateStatusBar(const char* _pText, int Filed = 0){}
+#ifdef SETUP_TIMER_WAITING
+void Host_UpdateGUI(){}
+#endif
+
+void Host_SysMessage(const char *fmt, ...){}
+void Host_SetWiiMoteConnectionState(int _State){}
+
+void Host_UpdateLeds(int bits){}
+void Host_UpdateSpeakerStatus(int index, int bits){}
+void Host_UpdateStatus(){}
+
+int CSIDevice_GCController::GetNetInput(u8 numPAD, SPADStatus PadStatus, u32 *PADStatus)
+{
+	return 0;
+}