Feat: add utility class SameFilter

src/main/java/spoon/reflect/visitor/filter/SameFilter.java

@@ -0,0 +1,25 @@
+/**
+ * SPDX-License-Identifier: (MIT OR CECILL-C)
+ *
+ * Copyright (C) 2006-2019 INRIA and contributors
+ *
+ * Spoon is available either under the terms of the MIT License (see LICENSE-MIT.txt) of the Cecill-C License (see LICENSE-CECILL-C.txt). You as the user are entitled to choose the terms under which to adopt Spoon.
+ */
+package spoon.reflect.visitor.filter;
+
+import spoon.reflect.declaration.CtElement;
+import spoon.reflect.visitor.Filter;
+
+/** Finds the element given in parameter, useful for checking if an element is in an ancestor */
+public class SameFilter implements Filter<CtElement> {
+ private final CtElement argument2;
+
+ public SameFilter(CtElement argument2) {
+ this.argument2 = argument2;
+ }
+
+ @Override
+ public boolean matches(CtElement element) {
+ return element == argument2;
+ }
+}

src/test/java/spoon/test/replace/ReplaceParametrizedTest.java

@@ -38,7 +38,7 @@
 import spoon.reflect.reference.CtTypeReference;
 import spoon.reflect.visitor.CtScanner;
 import spoon.reflect.visitor.CtVisitable;
-import spoon.reflect.visitor.Filter;
+import spoon.reflect.visitor.filter.SameFilter;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -174,12 +174,7 @@ public void scan(CtRole role, CtElement e) {
  argument.replace(argument2);
 
  // the new element is indeed now in this AST
- assertTrue(receiver.getClass().getSimpleName() + " failed for " + mmField, receiver.getElements(new Filter<CtElement>() {
- @Override
- public boolean matches(CtElement element) {
- return element == argument2;
- }
- }).size() == 1);
+ assertTrue(receiver.getClass().getSimpleName() + " failed for " + mmField, receiver.getElements(new SameFilter(argument2)).size() == 1);
  }
  if (!problems.isEmpty()) {
  fail(getReport(problems));