[ruby/uri] More tests for check_to

ruby/uri@b1b5f9a476

Author: nobu

test/uri/test_mailto.rb

@@ -165,6 +165,45 @@ def test_check_to
     assert_raise(URI::InvalidComponentError) do
       u.to = '[email protected]'
     end
+
+    # Invalid host emails
+    assert_raise(URI::InvalidComponentError) do
+      u.to = '[email protected]'
+    end
+
+    assert_raise(URI::InvalidComponentError) do
+      u.to = '[email protected].'
+    end
+
+    assert_raise(URI::InvalidComponentError) do
+      u.to = '[email protected]'
+    end
+
+    assert_raise(URI::InvalidComponentError) do
+      u.to = '[email protected]'
+    end
+
+    assert_raise(URI::InvalidComponentError) do
+      u.to = '[email protected]'
+    end
+
+    assert_raise(URI::InvalidComponentError) do
+      u.to = '[email protected]'
+    end
+
+    assert_raise(URI::InvalidComponentError) do
+      u.to = '[email protected]'
+    end
+
+    u.to = 'a@'+'invalid'.ljust(63, 'd')+'.email'
+    assert_raise(URI::InvalidComponentError) do
+      u.to = 'a@'+'invalid'.ljust(64, 'd')+'.email'
+    end
+
+    u.to = 'a@invalid.'+'email'.rjust(63, 'e')
+    assert_raise(URI::InvalidComponentError) do
+      u.to = 'a@invalid.'+'email'.rjust(64, 'e')
+    end
   end
 
   def test_to_s