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-rw-r--r--test/ruby/test_float.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index b465814140..ab5f9bdc07 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -295,6 +295,8 @@ class TestFloat < Test::Unit::TestCase
assert_equal(1.110, 1.111.round(2))
assert_equal(11110.0, 11111.1.round(-1))
assert_equal(11100.0, 11111.1.round(-2))
+
+ assert_equal(10**300, 1.1e300.round(-300))
end
VS = [