Merge remote-tracking branch 'Kernel/master'

Kernel/tests/ptr_t.cpp

@@ -0,0 +1,108 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel 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.
+
+	Fennix Kernel 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifdef DEBUG
+
+#include <types.h>
+#include <debug.h>
+#include <assert.h>
+
+class __ptr_t_demo
+{
+public:
+	ptr_t<void *> Address;
+
+	__ptr_t_demo(ptr_t<void *> Address, ptr_t<void *> Address2 = nullptr)
+	{
+		this->Address = Address;
+	}
+
+	~__ptr_t_demo() {}
+
+	void *test1()
+	{
+		return Address + 0xdeadbeef;
+	}
+
+	uintptr_t test2()
+	{
+		return Address + 0xdeadbeef;
+	}
+
+	void *Map(ptr_t<void *> VirtualAddress, ptr_t<void *> &PhysicalAddress, size_t Length)
+	{
+		ptr_t<void *> Final;
+		for (size_t i = 0; i < Length; i++)
+			Final = VirtualAddress + (i * 0x1000);
+
+		PhysicalAddress = 0;
+		return Final;
+	}
+};
+
+__constructor void TestPtr_T()
+{
+	__ptr_t_demo demo(nullptr);
+	assert(demo.test1() == (void *)0xdeadbeef);
+	assert(demo.test2() == 0xdeadbeef);
+
+	ptr_t<void *> VirtualAddress = 0x1000;
+	ptr_t<void *> PhysicalAddress = 0x2000;
+	size_t Length = 4;
+
+	void *ret = demo.Map(VirtualAddress, PhysicalAddress, Length);
+	assert(ret == (void *)0x4000);
+
+	VirtualAddress -= 0x1000;
+	assert(PhysicalAddress == 0);
+
+	VirtualAddress = 0x1;
+	assert(VirtualAddress > PhysicalAddress);
+	assert(VirtualAddress > 0);
+
+	PhysicalAddress = 0x2;
+	assert(VirtualAddress < PhysicalAddress);
+	PhysicalAddress = 0;
+	assert(!(PhysicalAddress < 0));
+
+	PhysicalAddress = 0x1;
+	assert(VirtualAddress >= PhysicalAddress);
+	assert(VirtualAddress >= 0);
+
+	VirtualAddress = 0;
+	PhysicalAddress = 0;
+	assert(VirtualAddress <= PhysicalAddress);
+	assert(PhysicalAddress <= 0);
+
+	VirtualAddress = 0x1000;
+	assert(VirtualAddress == 0x1000);
+	assert(VirtualAddress != 0x2000);
+
+	PhysicalAddress = 0x1000;
+	assert(PhysicalAddress == 0x1000);
+	assert(PhysicalAddress != 0x2000);
+
+	ptr_t<void *> v;
+	v += 1;
+	assert(v == 1);
+	v -= 1;
+	assert(v == 0);
+	v -= 1;
+	assert(v == (void *)-1);
+}
+
+#endif // DEBUG