1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/string-numeric-separator-literal-dd-nsl-dd-one-of.js b/js/src/tests/test262/built-ins/Number/string-numeric-separator-literal-dd-nsl-dd-one-of.js
new file mode 100644
index 0000000000..fce333d9e1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Number/string-numeric-separator-literal-dd-nsl-dd-one-of.js
@@ -0,0 +1,39 @@
+// 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: |
+  NonZeroDigit NumericLiteralSeparator DecimalDigits
+
+  NumericLiteralSeparator ::
+    _
+
+  DecimalIntegerLiteral ::
+    ...
+    NonZeroDigit NumericLiteralSeparator_opt DecimalDigits
+
+
+  DecimalDigits ::
+    DecimalDigit
+    ...
+
+  DecimalDigit :: one of
+    0 1 2 3 4 5 6 7 8 9
+
+features: [numeric-separator-literal]
+---*/
+
+assert.sameValue(Number("1_0"), NaN, "1_0");
+assert.sameValue(Number("1_1"), NaN, "1_1");
+assert.sameValue(Number("1_2"), NaN, "1_2");
+assert.sameValue(Number("1_3"), NaN, "1_3");
+assert.sameValue(Number("1_4"), NaN, "1_4");
+assert.sameValue(Number("1_5"), NaN, "1_5");
+assert.sameValue(Number("1_6"), NaN, "1_6");
+assert.sameValue(Number("1_7"), NaN, "1_7");
+assert.sameValue(Number("1_8"), NaN, "1_8");
+assert.sameValue(Number("1_9"), NaN, "1_9");
+
+reportCompare(0, 0);