1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/parseFloat/tonumber-numeric-separator-literal-dot-dd-nsl-dd-ep.js b/js/src/tests/test262/built-ins/parseFloat/tonumber-numeric-separator-literal-dot-dd-nsl-dd-ep.js
new file mode 100644
index 0000000000..89166b0703
--- /dev/null
+++ b/js/src/tests/test262/built-ins/parseFloat/tonumber-numeric-separator-literal-dot-dd-nsl-dd-ep.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-tonumber-applied-to-the-string-type
+description: >
+  The NSL does not affect strings parsed by parseFloat - . StrDecimalDigits StrExponentPart
+info: |
+  StrUnsignedDecimalLiteral :::
+    . StrDecimalDigits StrExponentPart
+
+  StrDecimalDigits :::
+    DecimalDigit
+    ...
+    StrDecimalDigits DecimalDigit
+
+features: [numeric-separator-literal]
+---*/
+
+assert.sameValue(parseFloat(".0_1e2"), .0);
+
+reportCompare(0, 0);