Step 199: large file handling

editor/tests/step199_test.cpp

@@ -0,0 +1,40 @@
+// Step 199: Large file handling.
+
+#include <cassert>
+#include <fstream>
+#include <string>
+
+static std::string readFile(const std::string& path) {
+    std::ifstream f(path);
+    if (!f.is_open()) return {};
+    return std::string((std::istreambuf_iterator<char>(f)),
+                       std::istreambuf_iterator<char>());
+}
+
+static void assertContains(const std::string& text, const std::string& needle) {
+    assert(text.find(needle) != std::string::npos);
+}
+
+int main() {
+    const std::string settings = readFile("src/SettingsManager.h");
+    const std::string editorState = readFile("src/EditorState.h");
+    const std::string dialogs = readFile("src/panels/DialogPanels.h");
+    const std::string status = readFile("src/panels/StatusBarPanel.h");
+
+    assertContains(settings, "largeFileWarnMB");
+    assertContains(settings, "largeFileTextMB");
+    assertContains(settings, "largeFileDisableHighlightMB");
+
+    assertContains(editorState, "disableSyntaxHighlight");
+    assertContains(editorState, "largeFilePrompt");
+    assertContains(editorState, "setActiveBufferMode");
+
+    assertContains(dialogs, "Large File");
+    assertContains(dialogs, "Open in Text Mode");
+
+    assertContains(status, "Large File");
+    assertContains(status, "Mem ");
+
+    printf("step199_test: all assertions passed\n");
+    return 0;
+}