diff options
Diffstat (limited to 'js/src/tests/test262/language/arguments-object/non-strict-arguments-object-is-immutable.js')
-rw-r--r-- | js/src/tests/test262/language/arguments-object/non-strict-arguments-object-is-immutable.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/arguments-object/non-strict-arguments-object-is-immutable.js b/js/src/tests/test262/language/arguments-object/non-strict-arguments-object-is-immutable.js new file mode 100644 index 0000000000..3717a107f2 --- /dev/null +++ b/js/src/tests/test262/language/arguments-object/non-strict-arguments-object-is-immutable.js @@ -0,0 +1,23 @@ +// Copyright 2017 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-functiondeclarationinstantiation +description: Non-strict mode function execution context has a mutable "arguments" binding, however it is created with a "false" argument, which means it may not be deleted. +info: | + envRec.CreateMutableBinding("arguments", false). + + CreateMutableBinding(N, D) + + Create a new but uninitialized mutable binding in an Environment Record. The String value N is the text of the bound name. If the Boolean argument D is true the binding may be subsequently deleted. + +flags: [noStrict] +---*/ + +function f1() { + assert.sameValue(delete arguments, false); +} + +f1(); + +reportCompare(0, 0); |