1 files changed, 56 insertions, 0 deletions

diff --git a/src/tests/core/memory/memory.cpp b/src/tests/core/memory/memory.cpp
new file mode 100644
index 000000000..671afb702
--- /dev/null
+++ b/src/tests/core/memory/memory.cpp
@@ -0,0 +1,56 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <catch.hpp>
+#include "core/hle/kernel/memory.h"
+#include "core/hle/kernel/process.h"
+#include "core/memory.h"
+
+TEST_CASE("Memory::IsValidVirtualAddress", "[core][memory]") {
+    SECTION("these regions should not be mapped on an empty process") {
+        auto process = Kernel::Process::Create("");
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::PROCESS_IMAGE_VADDR) == false);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::HEAP_VADDR) == false);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::LINEAR_HEAP_VADDR) == false);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == false);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == false);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::TLS_AREA_VADDR) == false);
+    }
+
+    SECTION("CONFIG_MEMORY_VADDR and SHARED_PAGE_VADDR should be valid after mapping them") {
+        auto process = Kernel::Process::Create("");
+        Kernel::MapSharedPages(process->vm_manager);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == true);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == true);
+    }
+
+    SECTION("special regions should be valid after mapping them") {
+        auto process = Kernel::Process::Create("");
+        SECTION("VRAM") {
+            Kernel::HandleSpecialMapping(process->vm_manager,
+                                         {Memory::VRAM_VADDR, Memory::VRAM_SIZE, false, false});
+            CHECK(Memory::IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == true);
+        }
+
+        SECTION("IO (Not yet implemented)") {
+            Kernel::HandleSpecialMapping(
+                process->vm_manager, {Memory::IO_AREA_VADDR, Memory::IO_AREA_SIZE, false, false});
+            CHECK_FALSE(Memory::IsValidVirtualAddress(*process, Memory::IO_AREA_VADDR) == true);
+        }
+
+        SECTION("DSP") {
+            Kernel::HandleSpecialMapping(
+                process->vm_manager, {Memory::DSP_RAM_VADDR, Memory::DSP_RAM_SIZE, false, false});
+            CHECK(Memory::IsValidVirtualAddress(*process, Memory::DSP_RAM_VADDR) == true);
+        }
+    }
+
+    SECTION("Unmapping a VAddr should make it invalid") {
+        auto process = Kernel::Process::Create("");
+        Kernel::MapSharedPages(process->vm_manager);
+        process->vm_manager.UnmapRange(Memory::CONFIG_MEMORY_VADDR, Memory::CONFIG_MEMORY_SIZE);
+        CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false);
+    }
+}