1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/block-scope/shadowing/parameter-name-shadowing-parameter-name-let-const-and-var.js b/js/src/tests/test262/language/block-scope/shadowing/parameter-name-shadowing-parameter-name-let-const-and-var.js
new file mode 100644
index 0000000000..e8194ce346
--- /dev/null
+++ b/js/src/tests/test262/language/block-scope/shadowing/parameter-name-shadowing-parameter-name-let-const-and-var.js
@@ -0,0 +1,34 @@
+// 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: >
+    parameter name shadowing parameter name, let, const and var
+---*/
+function fn(a) {
+  let b = 1;
+  var c = 1;
+  const d = 1;
+
+  (function(a, b, c, d) {
+    a = 2;
+    b = 2;
+    c = 2;
+    d = 2;
+
+    assert.sameValue(a, 2);
+    assert.sameValue(b, 2);
+    assert.sameValue(c, 2);
+    assert.sameValue(d, 2);
+  })(1, 1);
+
+  assert.sameValue(a, 1);
+  assert.sameValue(b, 1);
+  assert.sameValue(c, 1);
+  assert.sameValue(d, 1);
+}
+
+fn(1);
+
+
+reportCompare(0, 0);