1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/block-scope/shadowing/lookup-in-and-through-block-contexts.js b/js/src/tests/test262/language/block-scope/shadowing/lookup-in-and-through-block-contexts.js
new file mode 100644
index 0000000000..3700de243d
--- /dev/null
+++ b/js/src/tests/test262/language/block-scope/shadowing/lookup-in-and-through-block-contexts.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.1
+description: >
+    lookup in and through block contexts
+---*/
+function fn(one) {
+  var x = one + 1;
+  let y = one + 2;
+  const u = one + 4;
+  {
+    let z = one + 3;
+    const v = one + 5;
+    assert.sameValue(one, 1);
+    assert.sameValue(x, 2);
+    assert.sameValue(y, 3);
+    assert.sameValue(z, 4);
+    assert.sameValue(u, 5);
+    assert.sameValue(v, 6);
+  }
+}
+
+fn(1);
+
+
+reportCompare(0, 0);