From 7ee008e150bc5bcf76082d726f719ee0fdfda982 Mon Sep 17 00:00:00 2001
From: SulfurNitride <SulfurNitride@users.noreply.github.com>
Date: Wed, 11 Feb 2026 02:37:39 -0600
Subject: Fluorine Manager: full Linux port of Mod Organizer 2

Complete native Linux port with FUSE-based virtual filesystem,
Proton/umu-run integration, and Flatpak packaging.

Key features:
- FUSE VFS replacing Windows USVFS (in-process + standalone helper for Flatpak)
- Proton/GE-Proton/umu-run launcher with env var forwarding
- Flatpak support (sandbox-aware VFS, NXM handler, umu-run)
- Wine prefix management UI
- Case-insensitive path resolution for Linux filesystems
- QSettings-safe INI handling (avoids Bethesda INI corruption)
- Portable instance support with auto-generated launcher scripts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 libs/usvfs/test/tinjectlib_test/main.cpp | 158 +++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 libs/usvfs/test/tinjectlib_test/main.cpp

(limited to 'libs/usvfs/test/tinjectlib_test/main.cpp')

diff --git a/libs/usvfs/test/tinjectlib_test/main.cpp b/libs/usvfs/test/tinjectlib_test/main.cpp
new file mode 100644
index 0000000..ce48f83
--- /dev/null
+++ b/libs/usvfs/test/tinjectlib_test/main.cpp
@@ -0,0 +1,158 @@
+#include <boost/filesystem.hpp>
+#include <boost/type_traits.hpp>
+#include <gtest/gtest.h>
+#include <injectlib.h>
+#include <spdlog/sinks/stdout_sinks.h>
+#include <spdlog/spdlog.h>
+#include <winapi.h>
+
+using namespace usvfs::shared;
+using namespace InjectLib;
+
+#if BOOST_ARCH_X86_64
+static const wchar_t INJECT_BIN[] = L"testinject_bin_x64.exe";
+#else
+static const wchar_t INJECT_BIN[] = L"testinject_bin_x86.exe";
+#endif
+
+#if BOOST_ARCH_X86_64
+static const wchar_t INJECT_LIB[] = L"testinject_dll_x64.dll";
+#else
+static const wchar_t INJECT_LIB[] = L"testinject_dll_x86.dll";
+#endif
+
+static std::shared_ptr<spdlog::logger> logger()
+{
+  std::shared_ptr<spdlog::logger> result = spdlog::get("test");
+  if (result.get() == nullptr) {
+    result = spdlog::stdout_logger_mt("test");
+  }
+  return result;
+}
+
+bool spawn(HANDLE& processHandle, HANDLE& threadHandle)
+{
+  STARTUPINFO si;
+  ::ZeroMemory(&si, sizeof(si));
+  si.cb = sizeof(si);
+
+  PROCESS_INFORMATION pi;
+  BOOL success = ::CreateProcess(INJECT_BIN, nullptr, nullptr, nullptr, FALSE,
+                                 CREATE_SUSPENDED, nullptr, nullptr, &si, &pi);
+
+  if (!success) {
+    throw windows_error("failed to start process");
+  }
+
+  processHandle = pi.hProcess;
+  threadHandle  = pi.hThread;
+
+  return true;
+}
+
+TEST(InjectingTest, InjectionNoInit)
+{
+  // Verify lib can inject without a init function
+
+  HANDLE process, thread;
+  spawn(process, thread);
+  EXPECT_NO_THROW(InjectLib::InjectDLL(process, thread, INJECT_LIB));
+  ResumeThread(thread);
+
+  DWORD res      = WaitForSingleObject(process, INFINITE);
+  DWORD exitCode = NO_ERROR;
+  res            = GetExitCodeProcess(process, &exitCode);
+  EXPECT_EQ(NOERROR, exitCode);
+
+  CloseHandle(process);
+  CloseHandle(thread);
+}
+
+TEST(InjectingTest, InjectionSimpleInit)
+{
+  // Verify lib can inject with a init function with null parameters
+
+  HANDLE process, thread;
+  spawn(process, thread);
+  EXPECT_NO_THROW(InjectLib::InjectDLL(process, thread, INJECT_LIB, "InitNoParam"));
+  ResumeThread(thread);
+
+  DWORD res      = WaitForSingleObject(process, INFINITE);
+  DWORD exitCode = NO_ERROR;
+  res            = GetExitCodeProcess(process, &exitCode);
+  EXPECT_EQ(10001, exitCode);  // used init function exits process with this exit code
+
+  CloseHandle(process);
+  CloseHandle(thread);
+}
+
+TEST(InjectingTest, InjectionComplexInit)
+{
+  // Verify lib can inject with a init function with null parameters
+
+  static const WCHAR param[] = L"magic_parameter";
+  HANDLE process, thread;
+  spawn(process, thread);
+  EXPECT_NO_THROW(InjectLib::InjectDLL(process, thread, INJECT_LIB, "InitComplexParam",
+                                       reinterpret_cast<LPCVOID>(param),
+                                       wcslen(param) * sizeof(WCHAR)));
+
+  ResumeThread(thread);
+
+  DWORD res      = WaitForSingleObject(process, INFINITE);
+  DWORD exitCode = NO_ERROR;
+  res            = GetExitCodeProcess(process, &exitCode);
+  EXPECT_EQ(10002, exitCode);  // used init function exits process with this exit code
+
+  CloseHandle(process);
+  CloseHandle(thread);
+}
+
+TEST(InjectingTest, InjectionNoQuitInit)
+{
+  // Verify lib can inject with a init function with null parameters
+
+  HANDLE process, thread;
+  spawn(process, thread);
+  EXPECT_NO_THROW(InjectLib::InjectDLL(process, thread, INJECT_LIB, "InitNoQuit"));
+  ResumeThread(thread);
+
+  DWORD res      = WaitForSingleObject(process, INFINITE);
+  DWORD exitCode = NO_ERROR;
+  res            = GetExitCodeProcess(process, &exitCode);
+  EXPECT_EQ(0, exitCode);  // expect regular exit from process
+
+  CloseHandle(process);
+  CloseHandle(thread);
+}
+
+TEST(InjectingTest, InjectionSkipInit)
+{
+  // verify the skip-on-missing mechanism for init function works
+
+  HANDLE process, thread;
+  spawn(process, thread);
+  EXPECT_NO_THROW(InjectLib::InjectDLL(process, thread, INJECT_LIB, "__InitInvalid",
+                                       nullptr, 0, true));
+  ResumeThread(thread);
+
+  DWORD res      = WaitForSingleObject(process, INFINITE);
+  DWORD exitCode = NO_ERROR;
+  res            = GetExitCodeProcess(process, &exitCode);
+  EXPECT_EQ(NOERROR, exitCode);
+
+  CloseHandle(process);
+  CloseHandle(thread);
+}
+
+int main(int argc, char** argv)
+{
+  auto logger = spdlog::stdout_logger_mt("usvfs");
+  logger->set_level(spdlog::level::warn);
+
+  boost::filesystem::path filePath(winapi::wide::getModuleFileName(nullptr));
+  SetCurrentDirectoryW(filePath.parent_path().wstring().c_str());
+
+  testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
-- 
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