Split Rational_Test#test_conv

Author: nobu

test/ruby/test_rational.rb

@@ -65,7 +65,7 @@ def test_freeze
     assert_instance_of(String, c.to_s)
   end
 
-  def test_conv
+  def test_conv_integer
     c = Rational(0,1)
     assert_equal(Rational(0,1), c)
 
@@ -94,6 +94,11 @@ def test_conv
     c = Rational(Rational(1,2),Rational(1,2))
     assert_equal(Rational(1), c)
 
+    assert_equal(Rational(3),Rational(3))
+    assert_equal(Rational(1),Rational(3,3))
+  end
+
+  def test_conv_complex
     c = Rational(Complex(1,2),2)
     assert_equal(Complex(Rational(1,2),1), c)
 
@@ -102,11 +107,21 @@ def test_conv
 
     c = Rational(Complex(1,2),Complex(1,2))
     assert_equal(Rational(1), c)
+  end
 
-    assert_equal(Rational(3),Rational(3))
-    assert_equal(Rational(1),Rational(3,3))
+  def test_conv_float
     assert_equal(3.3.to_r,Rational(3.3))
     assert_equal(1,Rational(3.3,3.3))
+
+    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_conv_string
     assert_equal(Rational(3),Rational('3'))
     assert_equal(Rational(1),Rational('3.0','3.0'))
     assert_equal(Rational(1),Rational('3/3','3/3'))
@@ -115,6 +130,9 @@ def test_conv
     assert_equal(Rational(111, 10), Rational('1.11e1'))
     assert_equal(Rational(111, 100), Rational('1.11e0'))
     assert_equal(Rational(111, 1000), Rational('1.11e-1'))
+  end
+
+  def test_conv_error
     assert_raise(TypeError){Rational(nil)}
     assert_raise(ArgumentError){Rational('')}
 
@@ -131,7 +149,9 @@ def test_conv
     assert_raise(TypeError){Rational(Object.new)}
     assert_raise(TypeError){Rational(Object.new, Object.new)}
     assert_raise(TypeError){Rational(1, Object.new)}
+  end
 
+  def test_conv_coerce
     bug12485 = '[ruby-core:75995] [Bug #12485]'
     o = Object.new
     def o.to_int; 1; end
@@ -163,13 +183,6 @@ def o.to_r; raise; end
     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
-
     bug16518 = "[ruby-core:96942] [Bug #16518]"
     cls = Class.new(Numeric) do
       def /(y); 42; end