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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 24bed9269c..5686fd4617 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -163,6 +163,8 @@ class TestFloat < Test::Unit::TestCase
assert_equal(-31.0*2**-1027, Float("-0x1f"+("0"*268)+".0p-2099"))
assert_equal(-31.0*2**-1027, Float("-0x1f"+("0"*600)+".0p-3427"))
end
+
+ assert_equal(1.0e10, Float("1.0_"+"00000"*Float::DIG+"e10"))
end
def test_divmod