1 files changed, 22 insertions, 0 deletions
diff --git a/tests/test_json_generate.rb b/tests/test_json_generate.rb
index 978c625..117a155 100755
--- a/tests/test_json_generate.rb
+++ b/tests/test_json_generate.rb
@@ -251,6 +251,22 @@ EOT
     assert_equal '5', state2.array_nl
   end
 
+  def test_configure_hash_conversion
+    state = JSON.state.new
+    state.configure(:indent => '1')
+    assert_equal '1', state.indent
+    state = JSON.state.new
+    foo = 'foo'
+    assert_raise(TypeError) do
+      state.configure(foo)
+    end
+    def foo.to_h
+      { :indent => '2' }
+    end
+    state.configure(foo)
+    assert_equal '2', state.indent
+  end
+
   if defined?(JSON::Ext::Generator)
     def test_broken_bignum # [ruby-core:38867]
       pid = fork do
@@ -297,4 +313,10 @@ EOT
     assert_kind_of Hash, state_hash
     assert_equal :bar, state_hash[:foo]
   end
+
+  def test_json_generate
+    assert_raise JSON::GeneratorError do
+      assert_equal true, JSON.generate(["\xea"])
+    end
+  end
 end