merges r20514 from trunk into ruby_1_9_1.

	* test/ruby/test_complex.rb: added some tests.

	* test/ruby/test_rational.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@20548 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 0 deletions

diff --git a/test/ruby/test_rational.rb b/test/ruby/test_rational.rb
index 5758749d5e..703d56a2ab 100644
--- a/test/ruby/test_rational.rb
+++ b/test/ruby/test_rational.rb
@@ -129,6 +129,13 @@ class Rational_Test < Test::Unit::TestCase
     assert_raise(ArgumentError){Rational(Object.new)}
     assert_raise(ArgumentError){Rational()}
     assert_raise(ArgumentError){Rational(1,2,3)}
+
+    if (0.0/0).nan?
+      assert_raise(FloatDomainError){Rational(0.0/0)}
+    end
+    if (1.0/0).infinite?
+      assert_raise(FloatDomainError){Rational(1.0/0)}
+    end
   end
 
   def test_attr
@@ -935,6 +942,13 @@ class Rational_Test < Test::Unit::TestCase
 	assert_raise(RangeError){Complex(1,2).to_r}
       end
     end
+
+    if (0.0/0).nan?
+      assert_raise(FloatDomainError){(0.0/0).to_r}
+    end
+    if (1.0/0).infinite?
+      assert_raise(FloatDomainError){(1.0/0).to_r}
+    end
   end
 
   def test_gcdlcm