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-rw-r--r--test/t/integer.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/t/integer.rb b/test/t/integer.rb
index be3c13db2..c6084bfeb 100644
--- a/test/t/integer.rb
+++ b/test/t/integer.rb
@@ -147,6 +147,9 @@ assert('Integer#<<', '15.2.8.3.12') do
# Left Shift by a negative is Right Shift
assert_equal 23, 46 << -1
+
+ # Left Shift by 31 is bitShift overflow to SignedInt
+ assert_equal 2147483648, 1 << 31
end
assert('Integer#>>', '15.2.8.3.13') do