1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/literals/bigint/numeric-separators/numeric-separator-literal-sign-minus-dds-nsl-dd.js b/js/src/tests/test262/language/literals/bigint/numeric-separators/numeric-separator-literal-sign-minus-dds-nsl-dd.js
new file mode 100644
index 0000000000..f3eabae087
--- /dev/null
+++ b/js/src/tests/test262/language/literals/bigint/numeric-separators/numeric-separator-literal-sign-minus-dds-nsl-dd.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-NumericLiteralSeparator
+description: DecimalDigits NumericLiteralSeparator DecimalDigit
+info: |
+  NumericLiteral ::
+    DecimalIntegerLiteral BigIntLiteralSuffix
+    NumericLiteralBase BigIntLiteralSuffix
+
+  NumericLiteralBase ::
+    BinaryIntegerLiteral
+    OctalIntegerLiteral
+    HexIntegerLiteral
+
+  BigIntLiteralSuffix :: n
+
+  NumericLiteralSeparator ::
+    _
+
+  SignedInteger ::
+    ...
+    - DecimalDigits
+
+features: [BigInt, numeric-separator-literal]
+---*/
+
+assert.sameValue(-123456789_0n, -1234567890n);
+assert.sameValue(-123456789_1n, -1234567891n);
+assert.sameValue(-123456789_2n, -1234567892n);
+assert.sameValue(-123456789_3n, -1234567893n);
+assert.sameValue(-123456789_4n, -1234567894n);
+assert.sameValue(-123456789_5n, -1234567895n);
+assert.sameValue(-123456789_6n, -1234567896n);
+assert.sameValue(-123456789_7n, -1234567897n);
+assert.sameValue(-123456789_8n, -1234567898n);
+assert.sameValue(-123456789_9n, -1234567899n);
+
+reportCompare(0, 0);