1 files changed, 36 insertions, 0 deletions
diff --git a/test/-ext-/integer/test_my_integer.rb b/test/-ext-/integer/test_my_integer.rb
new file mode 100644
index 0000000000..0dfa234921
--- /dev/null
+++ b/test/-ext-/integer/test_my_integer.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: false
+require 'test/unit'
+require "-test-/integer"
+
+class Test_MyInteger < Test::Unit::TestCase
+  def test_my_integer_to_f
+    assert_raise(NotImplementedError) do
+      Bug::Integer::MyInteger.new.to_f
+    end
+
+    int = Class.new(Bug::Integer::MyInteger) do
+      def to_f
+      end
+    end
+
+    assert_nothing_raised do
+      int.new.to_f
+    end
+  end
+
+  def test_my_integer_cmp
+    assert_raise(NotImplementedError) do
+      Bug::Integer::MyInteger.new <=> 0
+    end
+
+    int = Class.new(Bug::Integer::MyInteger) do
+      def <=>(other)
+        0
+      end
+    end
+
+    assert_nothing_raised do
+      int.new <=> 0
+    end
+  end
+end