Test support classes for the last commit

tests/java/org/python/tests/mro/ConfusedOnGetitemAdd.java

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+package org.python.tests.mro;
+
+/**
+ * If {@link GetitemAdder#addPredefined} is called, this class is imported, then
+ * {@link GetitemAdder#addPostdefined} is called, the call to postdefined should raise a TypeError
+ * as this class produces a MRO conflict between {@link FirstPredefinedGetitem} and
+ * {@link PostdefinedGetitem}.
+ */
+public interface ConfusedOnGetitemAdd extends FirstAndPost, PostAndFirst {}

tests/java/org/python/tests/mro/ConfusedOnImport.java

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+package org.python.tests.mro;
+
+/**
+ * {@link GetitemAdder#addPredefined} is expected to be called before this class is imported. If
+ * that's happened, there's a MRO conflict between {@link FirstPredefinedGetitem} and
+ * {@link SecondPredefinedGetitem}, so importing this should cause a TypeError.
+ */
+public class ConfusedOnImport implements FirstAndSecond, SecondAndFirst {}

tests/java/org/python/tests/mro/FirstAndPost.java

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+package org.python.tests.mro;
+
+public interface FirstAndPost extends FirstPredefinedGetitem, PostdefinedGetitem {}

tests/java/org/python/tests/mro/FirstAndSecond.java

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+package org.python.tests.mro;
+
+public interface FirstAndSecond extends FirstPredefinedGetitem, SecondPredefinedGetitem {}

tests/java/org/python/tests/mro/FirstPredefinedGetitem.java

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+package org.python.tests.mro;
+
+public interface FirstPredefinedGetitem {}

tests/java/org/python/tests/mro/GetitemAdder.java

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+package org.python.tests.mro;
+
+import org.python.core.PyBuiltinMethod;
+import org.python.core.PyBuiltinMethodNarrow;
+import org.python.core.PyObject;
+import org.python.core.PyType;
+
+public class GetitemAdder {
+
+    public static void addPostdefined() {
+        PyBuiltinMethod meth = new PyBuiltinMethodNarrow("__getitem__", 1) {
+
+            @Override
+            public PyObject __call__(PyObject arg) {
+                return arg;
+            }
+        };
+        PyType.fromClass(PostdefinedGetitem.class).addMethod(meth);
+    }
+
+    public static void addPredefined() {
+        PyBuiltinMethod meth = new PyBuiltinMethodNarrow("__getitem__", 1) {
+
+            @Override
+            public PyObject __call__(PyObject arg) {
+                return arg;
+            }
+        };
+        PyType.fromClass(FirstPredefinedGetitem.class).addMethod(meth);
+        PyType.fromClass(SecondPredefinedGetitem.class).addMethod(meth);
+    }
+}

tests/java/org/python/tests/mro/PostAndFirst.java

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+package org.python.tests.mro;
+
+public interface PostAndFirst extends PostdefinedGetitem, FirstPredefinedGetitem {}

tests/java/org/python/tests/mro/PostdefinedGetitem.java

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+package org.python.tests.mro;
+
+public interface PostdefinedGetitem {}

tests/java/org/python/tests/mro/SecondAndFirst.java

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+package org.python.tests.mro;
+
+
+public interface SecondAndFirst extends SecondPredefinedGetitem, FirstPredefinedGetitem {}

tests/java/org/python/tests/mro/SecondPredefinedGetitem.java

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+package org.python.tests.mro;
+
+
+public interface SecondPredefinedGetitem {}