1 files changed, 141 insertions, 0 deletions
diff --git a/javaparser-testing/src/test/java/com/github/javaparser/utils/VisitorSetTest.java b/javaparser-testing/src/test/java/com/github/javaparser/utils/VisitorSetTest.java
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index 000000000..1d7730b97
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+++ b/javaparser-testing/src/test/java/com/github/javaparser/utils/VisitorSetTest.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
+ * Copyright (C) 2011, 2013-2016 The JavaParser Team.
+ *
+ * This file is part of JavaParser.
+ *
+ * JavaParser can be used either under the terms of
+ * a) the GNU Lesser General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * b) the terms of the Apache License
+ *
+ * You should have received a copy of both licenses in LICENCE.LGPL and
+ * LICENCE.APACHE. Please refer to those files for details.
+ *
+ * JavaParser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ */
+
+package com.github.javaparser.utils;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+
+import org.junit.Test;
+
+import com.github.javaparser.JavaParser;
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.visitor.ObjectIdentityEqualsVisitor;
+import com.github.javaparser.ast.visitor.ObjectIdentityHashCodeVisitor;
+
+public class VisitorSetTest {
+
+    @Test
+    public void normalEqualsDoesDeepCompare() {
+        Set<CompilationUnit> set = new HashSet<>();
+        set.add(JavaParser.parse("class X{}"));
+        set.add(JavaParser.parse("class X{}"));
+        assertEquals(1, set.size());
+    }
+
+    @Test
+    public void objectIdentityEqualsDoesShallowCompare() {
+        Set<CompilationUnit> set = new VisitorSet<>(new ObjectIdentityHashCodeVisitor(),
+                new ObjectIdentityEqualsVisitor());
+        set.add(JavaParser.parse("class X{}"));
+        set.add(JavaParser.parse("class X{}"));
+        assertEquals(2, set.size());
+    }
+
+    @Test
+    public void visitorSetContains() {
+        CompilationUnit x1 = JavaParser.parse("class X{}");
+        Set<CompilationUnit> set = new VisitorSet<>(new ObjectIdentityHashCodeVisitor(),
+                new ObjectIdentityEqualsVisitor());
+        set.add(x1);
+        assertTrue(set.contains(x1));
+    }
+
+    @Test
+    public void visitorSetContainsAll() {
+        List<CompilationUnit> list = new ArrayList<>();
+        list.add(JavaParser.parse("class X{}"));
+        list.add(JavaParser.parse("class X{}"));
+        Set<CompilationUnit> set = new VisitorSet<>(new ObjectIdentityHashCodeVisitor(),
+                new ObjectIdentityEqualsVisitor());
+        set.addAll(list);
+        assertTrue(set.size() == 2 && set.containsAll(list));
+    }
+
+    @Test
+    public void visitorSetIterator() {
+        Set<CompilationUnit> set = new VisitorSet<>(new ObjectIdentityHashCodeVisitor(),
+                new ObjectIdentityEqualsVisitor());
+        CompilationUnit x1 = JavaParser.parse("class X{}");
+        set.add(x1);
+        CompilationUnit x2 = JavaParser.parse("class X{}");
+        set.add(x2);
+        Iterator<CompilationUnit> itr = set.iterator();
+        assertEquals(x1, itr.next());
+        itr.remove();
+        assertTrue(set.size() == 1);
+        assertEquals(x2, itr.next());
+        itr.remove();
+        assertTrue(set.size() == 0);
+    }
+
+    @Test
+    public void visitorSetRemove() {
+        CompilationUnit x1 = JavaParser.parse("class X{}");
+        Set<CompilationUnit> set = new VisitorSet<>(new ObjectIdentityHashCodeVisitor(),
+                new ObjectIdentityEqualsVisitor());
+        set.add(x1);
+        assertTrue(set.remove(x1));
+    }
+
+    @Test
+    public void visitorSetRemoveAll() {
+        List<CompilationUnit> list = new ArrayList<>();
+        list.add(JavaParser.parse("class X{}"));
+        list.add(JavaParser.parse("class X{}"));
+        Set<CompilationUnit> set = new VisitorSet<>(new ObjectIdentityHashCodeVisitor(),
+                new ObjectIdentityEqualsVisitor());
+        set.addAll(list);
+        set.removeAll(list);
+        assertTrue(set.size() == 0);
+    }
+
+    @Test
+    public void visitorSetRetainAll() {
+        List<CompilationUnit> list = new ArrayList<>();
+        list.add(JavaParser.parse("class X{}"));
+        list.add(JavaParser.parse("class X{}"));
+        Set<CompilationUnit> set = new VisitorSet<>(new ObjectIdentityHashCodeVisitor(),
+                new ObjectIdentityEqualsVisitor());
+        set.addAll(list);
+        set.add(JavaParser.parse("class X{}"));
+        set.retainAll(list);
+        assertTrue(set.size() == 2);
+    }
+
+    @Test
+    public void visitorSetToArray() {
+        List<CompilationUnit> list = new ArrayList<>();
+        list.add(JavaParser.parse("class X{}"));
+        list.add(JavaParser.parse("class X{}"));
+        Set<CompilationUnit> set = new VisitorSet<>(new ObjectIdentityHashCodeVisitor(),
+                new ObjectIdentityEqualsVisitor());
+        set.addAll(list);
+        for (CompilationUnit u : set.toArray(new CompilationUnit[2]))
+            assertTrue(set.contains(u));
+    }
+}