#438 add another test in GenericsTest

Author: siom79

japicmp-testbase/japicmp-test-v1/src/main/java/japicmp/test/Generics.java

@@ -67,4 +67,8 @@ public <X extends List<Integer> & Serializable & MyInterface<Integer>> X methodW
 public static class NewImplementsSupplier {
 
 }
+
+public static class NewImplementsConsumer {
+
+}
 }

japicmp-testbase/japicmp-test-v2/src/main/java/japicmp/test/Generics.java

@@ -2,6 +2,7 @@
 
 import java.util.List;
 import java.util.Map;
+import java.util.function.Consumer;
 import java.util.function.Supplier;
 
 public class Generics<T, U extends List<Long>> {
@@ -71,4 +72,12 @@ public String get() {
 return "";
 }
 }
+
+public static class NewImplementsConsumer implements Consumer<String> {
+
+@Override
+public void accept(String s) {
+
+}
+}
 }

japicmp-testbase/japicmp-test/src/test/java/japicmp/test/GenericsTest.java

@@ -32,4 +32,13 @@ void testNewImplementsSupplier() {
 assertThat(jApiClass.getCompatibilityChanges().size(), is(1));
 assertThat(jApiClass.getCompatibilityChanges(), hasItem(new JApiCompatibilityChange(JApiCompatibilityChangeType.INTERFACE_ADDED)));
 }
+
+@Test
+void testNewImplementsConsumer() {
+JApiClass jApiClass = getJApiClass(jApiClasses, Generics.NewImplementsConsumer.class.getName());
+assertThat(jApiClass.getCompatibilityChanges().size(), is(2));
+assertThat(jApiClass.getCompatibilityChanges(), hasItem(new JApiCompatibilityChange(JApiCompatibilityChangeType.INTERFACE_ADDED)));
+// Consumer.andThen()
+assertThat(jApiClass.getCompatibilityChanges(), hasItem(new JApiCompatibilityChange(JApiCompatibilityChangeType.METHOD_DEFAULT_ADDED_IN_IMPLEMENTED_INTERFACE)));
+}
 }