1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Function/prototype/bind/instance-length-remaining-args.js b/js/src/tests/test262/built-ins/Function/prototype/bind/instance-length-remaining-args.js
new file mode 100644
index 0000000000..5a162187e6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/bind/instance-length-remaining-args.js
@@ -0,0 +1,37 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-function.prototype.bind
+description: >
+  "length" value of a bound function is set to remaining number
+  of arguments expected by target function. Extra arguments are ignored.
+info: |
+  Function.prototype.bind ( thisArg, ...args )
+
+  [...]
+  5. Let targetHasLength be ? HasOwnProperty(Target, "length").
+  6. If targetHasLength is true, then
+    a. Let targetLen be ? Get(Target, "length").
+    b. If Type(targetLen) is not Number, let L be 0.
+    c. Else,
+      i. Set targetLen to ! ToInteger(targetLen).
+      ii. Let L be the larger of 0 and the result of targetLen minus the number of elements of args.
+  7. Else, let L be 0.
+  8. Perform ! SetFunctionLength(F, L).
+  [...]
+---*/
+
+function foo() {}
+
+assert.sameValue(foo.bind(null).length, 0, '0/0');
+assert.sameValue(foo.bind(null, 1).length, 0, '1/0');
+
+function bar(x, y) {}
+
+assert.sameValue(bar.bind(null).length, 2, '0/2');
+assert.sameValue(bar.bind(null, 1).length, 1, '1/2');
+assert.sameValue(bar.bind(null, 1, 2).length, 0, '2/2');
+assert.sameValue(bar.bind(null, 1, 2, 3).length, 0, '3/2');
+
+reportCompare(0, 0);