Step 84: native file dialogs

editor/tests/step84_test.cpp

@@ -0,0 +1,64 @@
+// Step 84 TDD Test: Native file dialogs wrapper
+//
+// Tests:
+// 1. Provider override returns expected open/save paths
+// 2. Clearing provider falls back to empty (non-interactive)
+
+#include <cassert>
+#include <iostream>
+#include "FileDialog.h"
+
+static std::string g_open;
+static std::string g_save;
+static std::string g_folder;
+
+static std::string openProvider(const FileDialog::OpenRequest& req) {
+    (void)req;
+    return g_open;
+}
+
+static std::string saveProvider(const FileDialog::SaveRequest& req) {
+    (void)req;
+    return g_save;
+}
+
+static std::string folderProvider(const FileDialog::FolderRequest& req) {
+    (void)req;
+    return g_folder;
+}
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    // --- Test 1: Provider override ---
+    {
+        g_open = "C:/tmp/foo.py";
+        g_save = "C:/tmp/out.py";
+        g_folder = "C:/tmp/project";
+        FileDialog::Provider provider{openProvider, saveProvider, folderProvider};
+        FileDialog::setProvider(provider);
+
+        auto open = FileDialog::openFile({"Open", {"*.py"}, ""});
+        auto save = FileDialog::saveFile({"Save", {"*.py"}, ""});
+        auto folder = FileDialog::openFolder({"Folder", ""});
+
+        assert(open == g_open);
+        assert(save == g_save);
+        assert(folder == g_folder);
+        std::cout << "Test 1 PASS: Provider override" << std::endl;
+        ++passed;
+    }
+
+    // --- Test 2: Clear provider ---
+    {
+        FileDialog::clearProvider();
+        auto open = FileDialog::openFile({"Open", {"*.py"}, ""});
+        assert(open.empty());
+        std::cout << "Test 2 PASS: Clear provider" << std::endl;
+        ++passed;
+    }
+
+    std::cout << "\n=== Step 84 Results: " << passed << " passed, " << failed << " failed ===" << std::endl;
+    return failed > 0 ? 1 : 0;
+}