diff --git a/app/astride/sandbox.test.js b/app/astride/sandbox.test.js
index 47243d7..efbce4a 100644
--- a/app/astride/sandbox.test.js
+++ b/app/astride/sandbox.test.js
@@ -446,6 +446,26 @@ test('executes member expressions', async () => {
     });
 });
 
+test.todo('declares with assignment pattern', async () => {
+  let sandbox;
+  sandbox = new Sandbox(
+    await parse(`
+      const {Player: {id: owner = 0} = {}, Position} = {};
+      owner;
+    `),
+  );
+  expect(sandbox.run().value)
+    .to.equal(0);
+  sandbox = new Sandbox(
+    await parse(`
+      const {Player: {id: [owner = 0]} = {id: []}, Position} = {};
+      owner;
+    `),
+  );
+  expect(sandbox.run().value)
+    .to.equal(0);
+});
+
 test('handles nested yields', async () => {
   expect(
     await finish(new Sandbox(