1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/string-binary-literal-invalid.js b/js/src/tests/test262/built-ins/Number/string-binary-literal-invalid.js
new file mode 100644
index 0000000000..28b5b0a5ac
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/string-binary-literal-invalid.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 20.1.1.1
+description: Invalid binary literals yield NaN
+info: |
+    BinaryIntegerLiteral ::
+      0b BinaryDigits
+      0B BinaryDigits
+    BinaryDigits ::
+      BinaryDigit
+      BinaryDigits BinaryDigit
+    BinaryDigit :: one of
+      0 1
+---*/
+
+assert.sameValue(Number('0b2'), NaN, 'invalid digit');
+assert.sameValue(Number('00b0'), NaN, 'leading zero');
+assert.sameValue(Number('0b'), NaN, 'omitted digits');
+assert.sameValue(Number('+0b1'), NaN, 'plus sign');
+assert.sameValue(Number('-0b1'), NaN, 'minus sign');
+assert.sameValue(Number('0b1.01'), NaN, 'fractional part');
+assert.sameValue(Number('0b1e10'), NaN, 'exponent part');
+assert.sameValue(Number('0b1e-10'), NaN, 'exponent part with a minus sign');
+assert.sameValue(Number('0b1e+10'), NaN, 'exponent part with a plus sign');
+
+reportCompare(0, 0);