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-rw-r--r--js/src/tests/non262/Number/numericSeparator.js10
1 files changed, 10 insertions, 0 deletions
diff --git a/js/src/tests/non262/Number/numericSeparator.js b/js/src/tests/non262/Number/numericSeparator.js
new file mode 100644
index 0000000000..46ebabc7ea
--- /dev/null
+++ b/js/src/tests/non262/Number/numericSeparator.js
@@ -0,0 +1,10 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+assertThrowsInstanceOf(function() { eval('let a = 100_00_;'); }, SyntaxError);
+assertThrowsInstanceOf(() => eval("let b = 10__;"), SyntaxError);
+assertThrowsInstanceOf(() => eval("let b = 1._2;"), SyntaxError);
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
+