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-rw-r--r--test/ruby/test_integer.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/ruby/test_integer.rb b/test/ruby/test_integer.rb
index 9a4f560ed5..a111698771 100644
--- a/test/ruby/test_integer.rb
+++ b/test/ruby/test_integer.rb
@@ -640,6 +640,9 @@ class TestInteger < Test::Unit::TestCase
failures << n unless root*root <= n && (root+1)*(root+1) > n
end
assert_empty(failures, bug13440)
+
+ x = 0xffff_ffff_ffff_ffff
+ assert_equal(x, Integer.sqrt(x ** 2), "[ruby-core:95453]")
end
def test_fdiv