--- wcwidth-0.1.7/wcwidth/tests/test_core.py	2016-07-02 00:13:27.000000000 -0400
+++ wcwidth-0.1.7/wcwidth/tests/test_core.py	2019-08-06 08:38:15.420011741 -0400
@@ -136,3 +136,13 @@ def test_combining_spacing():
     # verify,
     assert length_each == expect_length_each
     assert length_phrase == expect_length_phrase
+
+if __name__ == "__main__":
+    test_hello_jp()
+    test_wcswidth_substr()
+    test_null_width_0()
+    test_control_c0_width_negative_1()
+    test_combining_width_negative_1()
+    test_combining_cafe()
+    test_combining_enclosing()
+    test_combining_spacing()