jdk8-mips64-public/langtools: test/tools/javac/cast/intersection/model/ModelChecker.java@998b10c43157 (annotated)

test/tools/javac/cast/intersection/model/ModelChecker.java@998b10c43157 (annotated)

test/tools/javac/cast/intersection/model/ModelChecker.java

Tue, 24 Dec 2013 09:17:37 -0800

author: ksrini
date: Tue, 24 Dec 2013 09:17:37 -0800
changeset 2227: 998b10c43157
parent 2050: 09301757bb32
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

8029230: Update copyright year to match last edit in jdk8 langtools repository for 2013
Reviewed-by: ksrini
Contributed-by: steve.sides@oracle.com

 /*
  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code 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 General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 import com.sun.source.tree.ExpressionTree;
 import com.sun.source.tree.Tree;
 import com.sun.source.tree.TypeCastTree;
 import com.sun.source.tree.VariableTree;
 import com.sun.source.util.TreePathScanner;
 import com.sun.source.util.Trees;
 import com.sun.source.util.TreePath;
 import com.sun.tools.javac.tree.JCTree.JCExpression;
 import java.util.Set;
 import javax.annotation.processing.RoundEnvironment;
 import javax.annotation.processing.SupportedAnnotationTypes;
 import javax.lang.model.element.Element;
 import javax.lang.model.element.TypeElement;
 import javax.lang.model.type.TypeMirror;
 import javax.lang.model.type.TypeKind;
 import javax.lang.model.type.IntersectionType;
 import javax.lang.model.type.UnknownTypeException;
 import javax.lang.model.util.SimpleTypeVisitor6;
 import javax.lang.model.util.SimpleTypeVisitor7;
 @SupportedAnnotationTypes("Check")
 public class ModelChecker extends JavacTestingAbstractProcessor {
     @Override
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
         if (roundEnv.processingOver())
             return true;
         Trees trees = Trees.instance(processingEnv);
         TypeElement testAnno = elements.getTypeElement("Check");
         for (Element elem: roundEnv.getElementsAnnotatedWith(testAnno)) {
             TreePath p = trees.getPath(elem);
             new IntersectionCastTester(trees).scan(p, null);
         }
         return true;
     }
     class IntersectionCastTester extends TreePathScanner<Void, Void> {
         Trees trees;
         public IntersectionCastTester(Trees trees) {
             super();
             this.trees = trees;
         }
         @Override
         public Void visitVariable(VariableTree node, Void p) {
             TreePath varPath = new TreePath(getCurrentPath(), node);
             Element v = trees.getElement(varPath);
             IntersectionTypeInfo it = v.getAnnotation(IntersectionTypeInfo.class);
             assertTrue(it != null, "IntersectionType annotation must be present");
             ExpressionTree varInit = node.getInitializer();
             assertTrue(varInit != null && varInit.getKind() == Tree.Kind.TYPE_CAST,
                     "variable must have be initialized to an expression containing an intersection type cast");
             TypeMirror t = ((JCExpression)((TypeCastTree)varInit).getType()).type;
             validateIntersectionTypeInfo(t, it);
             for (Element e2 : types.asElement(t).getEnclosedElements()) {
                 assertTrue(false, "an intersection type has no declared members");
             }
             for (Element e2 : elements.getAllMembers((TypeElement)types.asElement(t))) {
                 Member m = e2.getAnnotation(Member.class);
                 if (m != null) {
                     assertTrue(e2.getKind() == m.value(), "Expected " + m.value() + " - found " + e2.getKind());
                 }
             }
             assertTrue(assertionCount == 9, "Expected 9 assertions - found " + assertionCount);
             return super.visitVariable(node, p);
         }
     }
     private void validateIntersectionTypeInfo(TypeMirror expectedIntersectionType, IntersectionTypeInfo it) {
         assertTrue(expectedIntersectionType.getKind() == TypeKind.INTERSECTION, "INTERSECTION kind expected");
         try {
             new SimpleTypeVisitor6<Void, Void>(){}.visit(expectedIntersectionType);
             throw new RuntimeException("Expected UnknownTypeException not thrown.");
         } catch (UnknownTypeException ute) {
             ; // Expected
         }
         try {
             new SimpleTypeVisitor7<Void, Void>(){}.visit(expectedIntersectionType);
             throw new RuntimeException("Expected UnknownTypeException not thrown.");
         } catch (UnknownTypeException ute) {
             ; // Expected
         }
         IntersectionType intersectionType = new SimpleTypeVisitor<IntersectionType, Void>(){
             @Override
             protected IntersectionType defaultAction(TypeMirror e, Void p) {return null;}
             @Override
             public IntersectionType visitIntersection(IntersectionType t, Void p) {return t;}
         }.visit(expectedIntersectionType);
         assertTrue(intersectionType != null, "Must get a non-null intersection type.");
         assertTrue(it.value().length == intersectionType.getBounds().size(), "Cardinalities do not match");
         String[] typeNames = it.value();
         for(int i = 0; i < typeNames.length; i++) {
             TypeMirror typeFromAnnotation = nameToType(typeNames[i]);
             assertTrue(types.isSameType(typeFromAnnotation, intersectionType.getBounds().get(i)),
                        "Types were not equal.");
         }
     }
     private TypeMirror nameToType(String name) {
         return elements.getTypeElement(name).asType();
     }
     private static void assertTrue(boolean cond, String msg) {
         assertionCount++;
         if (!cond)
             throw new AssertionError(msg);
     }
     static int assertionCount = 0;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/cast/intersection/model/ModelChecker.java@998b10c43157 (annotated)

test/tools/javac/cast/intersection/model/ModelChecker.java