chore: import upstream snapshot with attribution

tests/core/treeSitter/parseFile.cpp.test.ts

@@ -0,0 +1,100 @@
+import { describe, expect, test } from 'vitest';
+import { parseFile } from '../../../src/core/treeSitter/parseFile.js';
+import { createMockConfig } from '../../testing/testUtils.js';
+
+describe('parseFile for C/C++', () => {
+  // Test for C++
+  test('should parse C++ correctly', async () => {
+    const fileContent = `
+      // Main entry point
+      /* The main function that outputs
+       * a greeting to the world
+       */
+      int main() {
+        std::cout << "Hello, world!"; return 0;
+      }
+    `;
+    const filePath = 'dummy.cpp';
+    const config = {};
+    const result = await parseFile(fileContent, filePath, createMockConfig(config));
+    expect(typeof result).toBe('string');
+
+    const expectContents = [
+      '// Main entry point',
+      '/* The main function that outputs',
+      '* a greeting to the world',
+      '*/',
+      'int main() {',
+    ];
+
+    for (const expectContent of expectContents) {
+      expect(result).toContain(expectContent);
+    }
+  });
+
+  test('should parse C++ header correctly', async () => {
+    const fileContent = `
+      // Header file main function
+      /* This header declares the main function
+       * for the program entry point
+       */
+      int main() { std::cout << "Hello, world!"; return 0; }
+    `;
+    const filePath = 'dummy.hpp';
+    const config = {};
+    const result = await parseFile(fileContent, filePath, createMockConfig(config));
+    expect(typeof result).toBe('string');
+
+    const expectContents = ['main', 'Header file main function', 'This header declares the main function'];
+
+    for (const expectContent of expectContents) {
+      expect(result).toContain(expectContent);
+    }
+  });
+
+  // Test for C
+  test('should parse C correctly', async () => {
+    const fileContent = `
+      /* The main function
+       * Prints a greeting to stdout
+       */
+      // Entry point of the program
+      int main() { printf("Hello, world!"); return 0; }
+    `;
+    const filePath = 'dummy.c';
+    const config = {};
+    const result = await parseFile(fileContent, filePath, createMockConfig(config));
+    expect(typeof result).toBe('string');
+
+    const expectContents = ['main', 'The main function', 'Prints a greeting to stdout', 'Entry point of the program'];
+
+    for (const expectContent of expectContents) {
+      expect(result).toContain(expectContent);
+    }
+  });
+
+  test('should parse C header correctly', async () => {
+    const fileContent = `
+      /* Header file for main function
+       * Declares the program entry point
+       */
+      // Main function prototype
+      int main() { printf("Hello, world!"); return 0; }
+    `;
+    const filePath = 'dummy.h';
+    const config = {};
+    const result = await parseFile(fileContent, filePath, createMockConfig(config));
+    expect(typeof result).toBe('string');
+
+    const expectContents = [
+      'main',
+      'Header file for main function',
+      'Declares the program entry point',
+      'Main function prototype',
+    ];
+
+    for (const expectContent of expectContents) {
+      expect(result).toContain(expectContent);
+    }
+  });
+});