test/langtools/tools/javac/annotations/neg/8022765/VerifyErroneousAnnotationsAttributed.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2014, 2018, 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.
  */

 /*
  * @test
  * @bug 8029161 8029376
  * @modules jdk.compiler/com.sun.tools.javac.api
  *          jdk.compiler/com.sun.tools.javac.file
  */

 import com.sun.source.tree.CompilationUnitTree;
 import com.sun.source.tree.IdentifierTree;
 import com.sun.source.tree.MemberSelectTree;
 import com.sun.source.util.JavacTask;
 import com.sun.source.util.TreePathScanner;
 import com.sun.source.util.Trees;
 import com.sun.tools.javac.api.JavacTool;
 import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import javax.lang.model.element.Element;
 import javax.lang.model.element.ElementKind;
 import javax.lang.model.type.TypeKind;
 import javax.tools.Diagnostic;
 import javax.tools.DiagnosticListener;
 import javax.tools.JavaFileManager;
 import javax.tools.JavaFileObject;
 import javax.tools.SimpleJavaFileObject;

 public class VerifyErroneousAnnotationsAttributed {
     public static void main(String... args) throws IOException, URISyntaxException {
         new VerifyErroneousAnnotationsAttributed().run();
     }

     void run() throws IOException {
         try {
             int failCount = 0;
             for (String ann : generateAnnotations()) {
                 String code = PATTERN.replace("PLACEHOLDER", ann);
                 try {
                     validate(code);
                 } catch (Throwable t) {
                     System.out.println("Failed for: ");
                     System.out.println(code);
                     t.printStackTrace(System.out);
                     failCount++;
                 }
             }

             if (failCount > 0) {
                 throw new IllegalStateException("failed sub-tests: " + failCount);
             }
         } finally {
             fm.close();
         }
     }

     List<String> generateAnnotations() {
         List<String> result = new ArrayList<>();

         result.addAll(Kind.ANNOTATION.generateValue(2, true));
         result.addAll(Kind.ANNOTATION.generateValue(2, false));

         return result;
     }

     enum Kind {
         INT("i", "ValueInt") {
             @Override public List<String> generateValue(int depth, boolean valid) {
                 if (valid) {
                     return Arrays.asList("INT_VALUE");
                 } else {
                     return Arrays.asList("BROKEN_INT_VALUE");
                 }
             }
         },
         ANNOTATION("a", "ValueAnnotation") {
             @Override public List<String> generateValue(int depth, boolean valid) {
                 String ad = "@Annotation" + depth + (valid ? "" : "Unknown");

                 if (depth <= 0) {
                     return Arrays.asList(ad);
                 }

                 List<String> result = new ArrayList<>();
                 final Kind[][] generateKindCombinations = new Kind[][] {
                     new Kind[] {Kind.INT},
                     new Kind[] {Kind.ANNOTATION},
                     new Kind[] {Kind.INT, Kind.ANNOTATION}
                 };

                 for (boolean generateAssignment : new boolean[] {false, true}) {
                     for (boolean generateValid : new boolean[] {false, true}) {
                         for (Kind[] generateKinds : generateKindCombinations) {
                             if (generateKinds.length > 1 && generateValid && !generateAssignment) {
                                 //skip: the same code is generated for generateValid == false.
                                 continue;
                             }
                             List<String> attributes = generateAttributes(generateAssignment,
                                     generateValid, depth, generateKinds);
                             String annotation;
                             if (generateAssignment) {
                                 annotation = ad;
                             } else {
                                 annotation = ad + generateKinds[0].annotationWithValueSuffix;
                             }
                             for (String attr : attributes) {
                                 result.add(annotation + "(" + attr + ")");
                             }
                         }
                     }
                 }

                 return result;
             }

             List<String> generateAttributes(boolean generateAssignment, boolean valid, int depth,
                                             Kind... kinds) {
                 List<List<String>> combinations = new ArrayList<>();

                 for (boolean subValid : new boolean[] {false, true}) {
                     for (Kind k : kinds) {
                         String prefix;

                         if (generateAssignment) {
                             if (valid) {
                                 prefix = k.validAttributeName + "=";
                             } else {
                                 prefix = "invalid" + k.validAttributeName + "=";
                             }
                         } else {
                             prefix = "";
                         }

                         List<String> combination = new ArrayList<>();

                         combinations.add(combination);

                         for (String val : k.generateValue(depth - 1, subValid)) {
                             combination.add(prefix + val);
                         }
                     }
                 }

                 List<String> result = new ArrayList<>();

                 combine(combinations, new StringBuilder(), result);

                 return result;
             }

             void combine(List<List<String>> combinations, StringBuilder current, List<String> to) {
                 if (combinations.isEmpty()) {
                     to.add(current.toString());
                     return ;
                 }

                 int currLen = current.length();

                 for (String str : combinations.get(0)) {
                     if (current.length() > 0) current.append(", ");
                     current.append(str);

                     combine(combinations.subList(1, combinations.size()), current, to);

                     current.delete(currLen, current.length());
                 }
             }
         };
         String validAttributeName;
         String annotationWithValueSuffix;

         private Kind(String validAttributeName, String annotationWithValueSuffix) {
             this.validAttributeName = validAttributeName;
             this.annotationWithValueSuffix = annotationWithValueSuffix;
         }

         public abstract List<String> generateValue(int depth, boolean valid);

     }

     private static final String PATTERN =
             "public class Test {\n" +
             "    public static final int INT_VALUE = 1;\n" +
             "    @interface Annotation0 {}\n" +
             "    @interface Annotation1 {int i() default 0; Annotation0 a() default @Annotation0; }\n" +
             "    @interface Annotation2 {int i() default 0; Annotation1 a() default @Annotation1; }\n" +
             "    @interface Annotation1ValueInt {int value() default 0; }\n" +
             "    @interface Annotation2ValueInt {int value() default 0; }\n" +
             "    @interface Annotation1ValueAnnotation {Annotation0 a() default @Annotation0; }\n" +
             "    @interface Annotation2ValueAnnotation {Annotation1 a() default @Annotation1; }\n" +
             "    PLACEHOLDER\n" +
             "    private void test() { }\n" +
             "}";

     static final class TestCase {
         final String code;
         final boolean valid;

         public TestCase(String code, boolean valid) {
             this.code = code;
             this.valid = valid;
         }

     }

     final JavacTool tool = JavacTool.create();
     final JavaFileManager fm = tool.getStandardFileManager(null, null, null);
     final DiagnosticListener<JavaFileObject> devNull = new DiagnosticListener<JavaFileObject>() {
         @Override public void report(Diagnostic<? extends JavaFileObject> diagnostic) {}
     };

     void validate(String code) throws IOException, URISyntaxException {
         JavacTask task = tool.getTask(null,
                                       fm,
                                       devNull,
                                       Arrays.asList("--should-stop=at=FLOW"),
                                       null,
                                       Arrays.asList(new MyFileObject(code)));

         final Trees trees = Trees.instance(task);
         final CompilationUnitTree cut = task.parse().iterator().next();
         task.analyze();

         //ensure all the annotation attributes are annotated meaningfully
         //all the attributes in the test file should contain either an identifier
         //or a select, so only checking those for a reasonable Element/Symbol.
         new TreePathScanner<Void, Void>() {
             @Override
             public Void visitIdentifier(IdentifierTree node, Void p) {
                 verifyAttributedMeaningfully();
                 return super.visitIdentifier(node, p);
             }
             @Override
             public Void visitMemberSelect(MemberSelectTree node, Void p) {
                 verifyAttributedMeaningfully();
                 return super.visitMemberSelect(node, p);
             }
             private void verifyAttributedMeaningfully() {
                 Element el = trees.getElement(getCurrentPath());

                 if (el == null || el.getKind() == ElementKind.OTHER ||
                         el.asType().getKind() == TypeKind.OTHER) {
                     throw new IllegalStateException("Not attributed properly: " +
                             getCurrentPath().getParentPath().getLeaf());
                 }
             }
         }.scan(cut, null);
     }
     static class MyFileObject extends SimpleJavaFileObject {
         private final String text;
         public MyFileObject(String text) {
             super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
             this.text = text;
         }
         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) {
             return text;
         }
     }
 }
	/*
	* Copyright (c) 2014, 2018, 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.
	*/

	/*
	* @test
	* @bug 8029161 8029376
	* @modules jdk.compiler/com.sun.tools.javac.api
	* jdk.compiler/com.sun.tools.javac.file
	*/

	import com.sun.source.tree.CompilationUnitTree;
	import com.sun.source.tree.IdentifierTree;
	import com.sun.source.tree.MemberSelectTree;
	import com.sun.source.util.JavacTask;
	import com.sun.source.util.TreePathScanner;
	import com.sun.source.util.Trees;
	import com.sun.tools.javac.api.JavacTool;
	import java.io.IOException;
	import java.net.URI;
	import java.net.URISyntaxException;
	import java.util.ArrayList;
	import java.util.Arrays;
	import java.util.List;
	import javax.lang.model.element.Element;
	import javax.lang.model.element.ElementKind;
	import javax.lang.model.type.TypeKind;
	import javax.tools.Diagnostic;
	import javax.tools.DiagnosticListener;
	import javax.tools.JavaFileManager;
	import javax.tools.JavaFileObject;
	import javax.tools.SimpleJavaFileObject;

	public class VerifyErroneousAnnotationsAttributed {
	public static void main(String... args) throws IOException, URISyntaxException {
	new VerifyErroneousAnnotationsAttributed().run();
	}

	void run() throws IOException {
	try {
	int failCount = 0;
	for (String ann : generateAnnotations()) {
	String code = PATTERN.replace("PLACEHOLDER", ann);
	try {
	validate(code);
	} catch (Throwable t) {
	System.out.println("Failed for: ");
	System.out.println(code);
	t.printStackTrace(System.out);
	failCount++;
	}
	}

	if (failCount > 0) {
	throw new IllegalStateException("failed sub-tests: " + failCount);
	}
	} finally {
	fm.close();
	}
	}

	List<String> generateAnnotations() {
	List<String> result = new ArrayList<>();

	result.addAll(Kind.ANNOTATION.generateValue(2, true));
	result.addAll(Kind.ANNOTATION.generateValue(2, false));

	return result;
	}

	enum Kind {
	INT("i", "ValueInt") {
	@Override public List<String> generateValue(int depth, boolean valid) {
	if (valid) {
	return Arrays.asList("INT_VALUE");
	} else {
	return Arrays.asList("BROKEN_INT_VALUE");
	}
	}
	},
	ANNOTATION("a", "ValueAnnotation") {
	@Override public List<String> generateValue(int depth, boolean valid) {
	String ad = "@Annotation" + depth + (valid ? "" : "Unknown");

	if (depth <= 0) {
	return Arrays.asList(ad);
	}

	List<String> result = new ArrayList<>();
	final Kind[][] generateKindCombinations = new Kind[][] {
	new Kind[] {Kind.INT},
	new Kind[] {Kind.ANNOTATION},
	new Kind[] {Kind.INT, Kind.ANNOTATION}
	};

	for (boolean generateAssignment : new boolean[] {false, true}) {
	for (boolean generateValid : new boolean[] {false, true}) {
	for (Kind[] generateKinds : generateKindCombinations) {
	if (generateKinds.length > 1 && generateValid && !generateAssignment) {
	//skip: the same code is generated for generateValid == false.
	continue;
	}
	List<String> attributes = generateAttributes(generateAssignment,
	generateValid, depth, generateKinds);
	String annotation;
	if (generateAssignment) {
	annotation = ad;
	} else {
	annotation = ad + generateKinds[0].annotationWithValueSuffix;
	}
	for (String attr : attributes) {
	result.add(annotation + "(" + attr + ")");
	}
	}
	}
	}

	return result;
	}

	List<String> generateAttributes(boolean generateAssignment, boolean valid, int depth,
	Kind... kinds) {
	List<List<String>> combinations = new ArrayList<>();

	for (boolean subValid : new boolean[] {false, true}) {
	for (Kind k : kinds) {
	String prefix;

	if (generateAssignment) {
	if (valid) {
	prefix = k.validAttributeName + "=";
	} else {
	prefix = "invalid" + k.validAttributeName + "=";
	}
	} else {
	prefix = "";
	}

	List<String> combination = new ArrayList<>();

	combinations.add(combination);

	for (String val : k.generateValue(depth - 1, subValid)) {
	combination.add(prefix + val);
	}
	}
	}

	List<String> result = new ArrayList<>();

	combine(combinations, new StringBuilder(), result);

	return result;
	}

	void combine(List<List<String>> combinations, StringBuilder current, List<String> to) {
	if (combinations.isEmpty()) {
	to.add(current.toString());
	return ;
	}

	int currLen = current.length();

	for (String str : combinations.get(0)) {
	if (current.length() > 0) current.append(", ");
	current.append(str);

	combine(combinations.subList(1, combinations.size()), current, to);

	current.delete(currLen, current.length());
	}
	}
	};
	String validAttributeName;
	String annotationWithValueSuffix;

	private Kind(String validAttributeName, String annotationWithValueSuffix) {
	this.validAttributeName = validAttributeName;
	this.annotationWithValueSuffix = annotationWithValueSuffix;
	}

	public abstract List<String> generateValue(int depth, boolean valid);

	}

	private static final String PATTERN =
	"public class Test {\n" +
	" public static final int INT_VALUE = 1;\n" +
	" @interface Annotation0 {}\n" +
	" @interface Annotation1 {int i() default 0; Annotation0 a() default @Annotation0; }\n" +
	" @interface Annotation2 {int i() default 0; Annotation1 a() default @Annotation1; }\n" +
	" @interface Annotation1ValueInt {int value() default 0; }\n" +
	" @interface Annotation2ValueInt {int value() default 0; }\n" +
	" @interface Annotation1ValueAnnotation {Annotation0 a() default @Annotation0; }\n" +
	" @interface Annotation2ValueAnnotation {Annotation1 a() default @Annotation1; }\n" +
	" PLACEHOLDER\n" +
	" private void test() { }\n" +
	"}";

	static final class TestCase {
	final String code;
	final boolean valid;

	public TestCase(String code, boolean valid) {
	this.code = code;
	this.valid = valid;
	}

	}

	final JavacTool tool = JavacTool.create();
	final JavaFileManager fm = tool.getStandardFileManager(null, null, null);
	final DiagnosticListener<JavaFileObject> devNull = new DiagnosticListener<JavaFileObject>() {
	@Override public void report(Diagnostic<? extends JavaFileObject> diagnostic) {}
	};

	void validate(String code) throws IOException, URISyntaxException {
	JavacTask task = tool.getTask(null,
	fm,
	devNull,
	Arrays.asList("--should-stop=at=FLOW"),
	null,
	Arrays.asList(new MyFileObject(code)));

	final Trees trees = Trees.instance(task);
	final CompilationUnitTree cut = task.parse().iterator().next();
	task.analyze();

	//ensure all the annotation attributes are annotated meaningfully
	//all the attributes in the test file should contain either an identifier
	//or a select, so only checking those for a reasonable Element/Symbol.
	new TreePathScanner<Void, Void>() {
	@Override
	public Void visitIdentifier(IdentifierTree node, Void p) {
	verifyAttributedMeaningfully();
	return super.visitIdentifier(node, p);
	}
	@Override
	public Void visitMemberSelect(MemberSelectTree node, Void p) {
	verifyAttributedMeaningfully();
	return super.visitMemberSelect(node, p);
	}
	private void verifyAttributedMeaningfully() {
	Element el = trees.getElement(getCurrentPath());

	if (el == null \|\| el.getKind() == ElementKind.OTHER \|\|
	el.asType().getKind() == TypeKind.OTHER) {
	throw new IllegalStateException("Not attributed properly: " +
	getCurrentPath().getParentPath().getLeaf());
	}
	}
	}.scan(cut, null);
	}
	static class MyFileObject extends SimpleJavaFileObject {
	private final String text;
	public MyFileObject(String text) {
	super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
	this.text = text;
	}
	@Override
	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
	return text;
	}
	}
	}