Release v0.6.45: fix Far snippets and ship portable Utilities folder

tests/utilities.cpp

@@ -0,0 +1,43 @@
+#include <windows.h>
+#include "../src/utilities.h"
+#include <fstream>
+#include <iostream>
+#include <stdexcept>
+
+int main()
+{
+    namespace fs = std::filesystem;
+    auto root = fs::temp_directory_path() / (L"KSwitcher-utilities-" + std::to_wstring(GetCurrentProcessId()));
+    try
+    {
+        std::error_code error;
+        if (!ks::discoverUtilities(root / L"missing", error).empty() || error)
+            throw std::runtime_error("Missing folder must be empty, not an error");
+        fs::create_directories(root / L"tools" / L"nested");
+        fs::create_directory(root / L"tools" / L"directory.exe");
+        for (auto name : {L"Zed.exe", L"alpha.EXE", L"A & B.exe", L"readme.txt", L"shortcut.lnk"})
+            std::ofstream(root / L"tools" / name).put('x');
+        std::ofstream(root / L"tools" / L"nested" / L"hidden.exe").put('x');
+        auto found = ks::discoverUtilities(root / L"tools", error);
+        if (error || found.size() != 3 || found[0].filename() != L"A & B.exe" ||
+            found[1].filename() != L"alpha.EXE" || found[2].filename() != L"Zed.exe")
+            throw std::runtime_error("Scan must filter direct executable files and sort names");
+        if (ks::utilityMenuLabel(found[0]) != L"A && B")
+            throw std::runtime_error("Ampersand must be displayed literally");
+        fs::remove(found[1]);
+        if (ks::discoverUtilities(root / L"tools", error).size() != 2)
+            throw std::runtime_error("Scan must refresh after a file is removed");
+        ks::discoverUtilities(root / L"tools" / L"readme.txt", error);
+        if (!error) throw std::runtime_error("Non-directory must report an error");
+        fs::remove_all(root);
+        std::cout << "Utilities regression tests passed\n";
+        return 0;
+    }
+    catch (const std::exception &e)
+    {
+        std::error_code ignored;
+        fs::remove_all(root, ignored);
+        std::cerr << e.what() << '\n';
+        return 1;
+    }
+}