diff --git a/src/app.ts b/src/app.ts
index 4329cb7..c609457 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -9,9 +9,9 @@ import { loadSource, writeSource } from './source';
 import { VERSION_INFO } from './version';
 import { VisitorContext } from './visitor/VisitorContext';
 
-const STATUS_SUCCESS = 0;
-const STATUS_ERROR = 1;
-const STATUS_MAX = 255;
+export const STATUS_SUCCESS = 0;
+export const STATUS_ERROR = 1;
+export const STATUS_MAX = 255;
 
 export async function main(argv: Array<string>): Promise<number> {
   const { args, mode } = await parseArgs(argv);
diff --git a/test/TestApp.ts b/test/TestApp.ts
new file mode 100644
index 0000000..b34911c
--- /dev/null
+++ b/test/TestApp.ts
@@ -0,0 +1,11 @@
+import { expect } from 'chai';
+
+import { main, STATUS_SUCCESS } from '../src/app';
+import { describeLeaks } from './helpers/async';
+
+describeLeaks('main app', async () => {
+  xit('completion should succeed', async () => {
+    const status = await main(['node', 'test', 'complete']);
+    expect(status).to.equal(STATUS_SUCCESS);
+  });
+});