1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/string-numeric-separator-literal-bil-bds-nsl-bds.js b/js/src/tests/test262/built-ins/Number/string-numeric-separator-literal-bil-bds-nsl-bds.js
new file mode 100644
index 0000000000..81c5685cdb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/string-numeric-separator-literal-bil-bds-nsl-bds.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: NumericLiteralSeparator is not valid on string conversions for ToNumber operations
+info: |
+  `0b` | `0B` BinaryDigits NumericLiteralSeparator BinaryDigit
+
+  NumericLiteralSeparator ::
+    _
+
+  BinaryIntegerLiteral ::
+    0b BinaryDigits
+    0B BinaryDigits
+
+  BinaryDigits ::
+    BinaryDigit
+    BinaryDigits BinaryDigit
+    BinaryDigits NumericLiteralSeparator BinaryDigit
+
+  BinaryDigit :: one of
+    0 1
+
+features: [numeric-separator-literal]
+---*/
+
+assert.sameValue(Number("0b01_00"), NaN, "0b01_00");
+assert.sameValue(Number("0B01_00"), NaN, "0B01_00");
+
+reportCompare(0, 0);