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-rw-r--r--test/ruby/test_complex.rb10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/ruby/test_complex.rb b/test/ruby/test_complex.rb
index 2a193eb155..5d4916e1d0 100644
--- a/test/ruby/test_complex.rb
+++ b/test/ruby/test_complex.rb
@@ -564,6 +564,16 @@ class Complex_Test < Test::Unit::TestCase
assert_equal('1-2/3i', Complex(1,Rational(-2,3)).to_s)
assert_equal('-1-2/3i', Complex(-1,Rational(-2,3)).to_s)
end
+
+ nan = 0.0 / 0
+ inf = 1.0 / 0
+ if nan.nan?
+ assert_equal('NaN+NaN*i', Complex(nan,nan).to_s)
+ end
+ if inf.infinite?
+ assert_equal('Infinity+Infinity*i', Complex(inf,inf).to_s)
+ assert_equal('Infinity-Infinity*i', Complex(inf,-inf).to_s)
+ end
end
def test_inspect