From 8f364b5a0d76345446ba488a3946734e4901d53b Mon Sep 17 00:00:00 2001
From: Charles Wright <charleswright@illumon.com>
Date: Wed, 6 Sep 2017 08:08:52 -0400
Subject: [PATCH] Test for default interfaces.

---
 .../DefaultInterfaceImplTestFixture.java      | 31 +++++++++++++++++
 .../fixtures/DefaultInterfaceTestFixture.java | 33 +++++++++++++++++++
 src/test/python/jpy_overload_test.py          | 10 ++++++
 3 files changed, 74 insertions(+)
 create mode 100644 src/test/java/org/jpy/fixtures/DefaultInterfaceImplTestFixture.java
 create mode 100644 src/test/java/org/jpy/fixtures/DefaultInterfaceTestFixture.java

diff --git a/src/test/java/org/jpy/fixtures/DefaultInterfaceImplTestFixture.java b/src/test/java/org/jpy/fixtures/DefaultInterfaceImplTestFixture.java
new file mode 100644
index 0000000000..84ac8001e6
--- /dev/null
+++ b/src/test/java/org/jpy/fixtures/DefaultInterfaceImplTestFixture.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2015 Brockmann Consult GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jpy.fixtures;
+
+import static org.jpy.fixtures.MethodOverloadTestFixture.stringifyArgs;
+
+/**
+ * Used as a test class for the test cases in jpy_overload_test.py
+ *
+ * @author Charles Wright
+ */
+@SuppressWarnings("UnusedDeclaration")
+public class DefaultInterfaceImplTestFixture implements DefaultInterfaceTestFixture {
+    public int doIt() {
+	return 2;
+    }
+}
diff --git a/src/test/java/org/jpy/fixtures/DefaultInterfaceTestFixture.java b/src/test/java/org/jpy/fixtures/DefaultInterfaceTestFixture.java
new file mode 100644
index 0000000000..9e36c24ee2
--- /dev/null
+++ b/src/test/java/org/jpy/fixtures/DefaultInterfaceTestFixture.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2015 Brockmann Consult GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jpy.fixtures;
+
+import static org.jpy.fixtures.MethodOverloadTestFixture.stringifyArgs;
+
+/**
+ * Used as a test class for the test cases in jpy_overload_test.py
+ *
+ * @author Charles Wright
+ */
+@SuppressWarnings("UnusedDeclaration")
+public interface DefaultInterfaceTestFixture {
+    int doIt();
+
+    default public int doItPlusOne() {
+        return 1 + doIt();
+    }
+}
diff --git a/src/test/python/jpy_overload_test.py b/src/test/python/jpy_overload_test.py
index f865ebd75f..4a7c774418 100644
--- a/src/test/python/jpy_overload_test.py
+++ b/src/test/python/jpy_overload_test.py
@@ -129,6 +129,16 @@ def test_toReproduceAndFixIssue54(self):
         # without the fix, we get str(s) = "java.lang.String@xxxxxx"
         self.assertEqual(str(s), '[A, B, C]')
 
+class TestDefaultMethods(unittest.TestCase):
+    def setUp(self):
+        self.Fixture = jpy.get_type('org.jpy.fixtures.DefaultInterfaceImplTestFixture')
+        self.assertIsNotNone(self.Fixture)
+
+    # see https://github.com/bcdev/jpy/issues/102
+    def test_defaultedInterfaces(self):
+	fixture = self.Fixture()
+        self.assertEqual(fixture.doItPlusOne(), 3)
+
 
 if __name__ == '__main__':
     print('\nRunning ' + __file__)