jdk8-mips64-public/langtools: test/tools/javac/parser/JavacParserTest.java@959103a6100f (annotated)

test/tools/javac/parser/JavacParserTest.java@959103a6100f (annotated)

test/tools/javac/parser/JavacParserTest.java

Wed, 27 Apr 2016 01:34:52 +0800

author: aoqi
date: Wed, 27 Apr 2016 01:34:52 +0800
changeset 0: 959103a6100f
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

 /*
  * Copyright (c) 2011, 2012, 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 7073631 7159445 7156633
  * @summary tests error and diagnostics positions
  * @author  Jan Lahoda
  */
 import com.sun.source.tree.BinaryTree;
 import com.sun.source.tree.BlockTree;
 import com.sun.source.tree.ClassTree;
 import com.sun.source.tree.CompilationUnitTree;
 import com.sun.source.tree.ErroneousTree;
 import com.sun.source.tree.ExpressionStatementTree;
 import com.sun.source.tree.ExpressionTree;
 import com.sun.source.tree.MethodInvocationTree;
 import com.sun.source.tree.MethodTree;
 import com.sun.source.tree.ModifiersTree;
 import com.sun.source.tree.StatementTree;
 import com.sun.source.tree.Tree;
 import com.sun.source.tree.Tree.Kind;
 import com.sun.source.tree.VariableTree;
 import com.sun.source.tree.WhileLoopTree;
 import com.sun.source.util.SourcePositions;
 import com.sun.source.util.TreeScanner;
 import com.sun.source.util.Trees;
 import com.sun.tools.javac.api.JavacTaskImpl;
 import com.sun.tools.javac.tree.JCTree;
 import java.io.IOException;
 import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 import java.lang.reflect.Method;
 import java.net.URI;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.regex.Pattern;
 import javax.tools.Diagnostic;
 import javax.tools.DiagnosticCollector;
 import javax.tools.DiagnosticListener;
 import javax.tools.JavaCompiler;
 import javax.tools.JavaFileObject;
 import javax.tools.SimpleJavaFileObject;
 import javax.tools.ToolProvider;
 public class JavacParserTest extends TestCase {
     static final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
     private JavacParserTest(){}
     public static void main(String... args) throws Exception {
         new JavacParserTest().run(args);
     }
     class MyFileObject extends SimpleJavaFileObject {
         private 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;
         }
     }
     /*
      * converts Windows to Unix style LFs for comparing strings
      */
     String normalize(String in) {
         return in.replace(System.getProperty("line.separator"), "\n");
     }
     CompilationUnitTree getCompilationUnitTree(String code) throws IOException {
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
                 null, Arrays.asList(new MyFileObject(code)));
         CompilationUnitTree cut = ct.parse().iterator().next();
         return cut;
     }
     List<String> getErroneousTreeValues(ErroneousTree node) {
         List<String> values = new ArrayList<>();
         if (node.getErrorTrees() != null) {
             for (Tree t : node.getErrorTrees()) {
                 values.add(t.toString());
             }
         } else {
             throw new RuntimeException("ERROR: No Erroneous tree "
                     + "has been created.");
         }
         return values;
     }
     @Test
     void testPositionForSuperConstructorCalls() throws IOException {
         assert tool != null;
         String code = "package test; public class Test {public Test() {super();}}";
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
                 null, Arrays.asList(new MyFileObject(code)));
         CompilationUnitTree cut = ct.parse().iterator().next();
         SourcePositions pos = Trees.instance(ct).getSourcePositions();
         MethodTree method =
                 (MethodTree) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0);
         ExpressionStatementTree es =
                 (ExpressionStatementTree) method.getBody().getStatements().get(0);
         final int esStartPos = code.indexOf(es.toString());
         final int esEndPos = esStartPos + es.toString().length();
         assertEquals("testPositionForSuperConstructorCalls",
                 esStartPos, pos.getStartPosition(cut, es));
         assertEquals("testPositionForSuperConstructorCalls",
                 esEndPos, pos.getEndPosition(cut, es));
         MethodInvocationTree mit = (MethodInvocationTree) es.getExpression();
         final int mitStartPos = code.indexOf(mit.toString());
         final int mitEndPos = mitStartPos + mit.toString().length();
         assertEquals("testPositionForSuperConstructorCalls",
                 mitStartPos, pos.getStartPosition(cut, mit));
         assertEquals("testPositionForSuperConstructorCalls",
                 mitEndPos, pos.getEndPosition(cut, mit));
         final int methodStartPos = mitStartPos;
         final int methodEndPos = methodStartPos + mit.getMethodSelect().toString().length();
         assertEquals("testPositionForSuperConstructorCalls",
                 methodStartPos, pos.getStartPosition(cut, mit.getMethodSelect()));
         assertEquals("testPositionForSuperConstructorCalls",
                 methodEndPos, pos.getEndPosition(cut, mit.getMethodSelect()));
     }
     @Test
     void testPositionForEnumModifiers() throws IOException {
         final String theString = "public";
         String code = "package test; " + theString + " enum Test {A;}";
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
                 null, Arrays.asList(new MyFileObject(code)));
         CompilationUnitTree cut = ct.parse().iterator().next();
         SourcePositions pos = Trees.instance(ct).getSourcePositions();
         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
         ModifiersTree mt = clazz.getModifiers();
         int spos = code.indexOf(theString);
         int epos = spos + theString.length();
         assertEquals("testPositionForEnumModifiers",
                 spos, pos.getStartPosition(cut, mt));
         assertEquals("testPositionForEnumModifiers",
                 epos, pos.getEndPosition(cut, mt));
     }
     @Test
     void testNewClassWithEnclosing() throws IOException {
         final String theString = "Test.this.new d()";
         String code = "package test; class Test { " +
                 "class d {} private void method() { " +
                 "Object o = " + theString + "; } }";
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
                 null, Arrays.asList(new MyFileObject(code)));
         CompilationUnitTree cut = ct.parse().iterator().next();
         SourcePositions pos = Trees.instance(ct).getSourcePositions();
         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
         ExpressionTree est =
                 ((VariableTree) ((MethodTree) clazz.getMembers().get(1)).getBody().getStatements().get(0)).getInitializer();
         final int spos = code.indexOf(theString);
         final int epos = spos + theString.length();
         assertEquals("testNewClassWithEnclosing",
                 spos, pos.getStartPosition(cut, est));
         assertEquals("testNewClassWithEnclosing",
                 epos, pos.getEndPosition(cut, est));
     }
     @Test
     void testPreferredPositionForBinaryOp() throws IOException {
         String code = "package test; public class Test {"
                 + "private void test() {"
                 + "Object o = null; boolean b = o != null && o instanceof String;"
                 + "} private Test() {}}";
         CompilationUnitTree cut = getCompilationUnitTree(code);
         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
         MethodTree method = (MethodTree) clazz.getMembers().get(0);
         VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1);
         BinaryTree cond = (BinaryTree) condSt.getInitializer();
         JCTree condJC = (JCTree) cond;
         int condStartPos = code.indexOf("&&");
         assertEquals("testPreferredPositionForBinaryOp",
                 condStartPos, condJC.pos);
     }
     @Test
     void testErrorRecoveryForEnhancedForLoop142381() throws IOException {
         String code = "package test; class Test { " +
                 "private void method() { " +
                 "java.util.Set<String> s = null; for (a : s) {} } }";
         final List<Diagnostic<? extends JavaFileObject>> errors =
                 new LinkedList<Diagnostic<? extends JavaFileObject>>();
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null,
                 new DiagnosticListener<JavaFileObject>() {
             public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
                 errors.add(diagnostic);
             }
         }, null, null, Arrays.asList(new MyFileObject(code)));
         CompilationUnitTree cut = ct.parse().iterator().next();
         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
         StatementTree forStatement =
                 ((MethodTree) clazz.getMembers().get(0)).getBody().getStatements().get(1);
         assertEquals("testErrorRecoveryForEnhancedForLoop142381",
                 Kind.ENHANCED_FOR_LOOP, forStatement.getKind());
         assertFalse("testErrorRecoveryForEnhancedForLoop142381", errors.isEmpty());
     }
     @Test
     void testPositionAnnotationNoPackage187551() throws IOException {
         String code = "\n@interface Test {}";
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
                 null, Arrays.asList(new MyFileObject(code)));
         CompilationUnitTree cut = ct.parse().iterator().next();
         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
         Trees t = Trees.instance(ct);
         assertEquals("testPositionAnnotationNoPackage187551",
 , t.getSourcePositions().getStartPosition(cut, clazz));
     }
     @Test
     void testPositionsSane1() throws IOException {
         performPositionsSanityTest("package test; class Test { " +
                 "private void method() { " +
                 "java.util.List<? extends java.util.List<? extends String>> l; " +
                 "} }");
     }
     @Test
     void testPositionsSane2() throws IOException {
         performPositionsSanityTest("package test; class Test { " +
                 "private void method() { " +
                 "java.util.List<? super java.util.List<? super String>> l; " +
                 "} }");
     }
     @Test
     void testPositionsSane3() throws IOException {
         performPositionsSanityTest("package test; class Test { " +
                 "private void method() { " +
                 "java.util.List<? super java.util.List<?>> l; } }");
     }
     private void performPositionsSanityTest(String code) throws IOException {
         final List<Diagnostic<? extends JavaFileObject>> errors =
                 new LinkedList<Diagnostic<? extends JavaFileObject>>();
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null,
                 new DiagnosticListener<JavaFileObject>() {
             public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
                 errors.add(diagnostic);
             }
         }, null, null, Arrays.asList(new MyFileObject(code)));
         final CompilationUnitTree cut = ct.parse().iterator().next();
         final Trees trees = Trees.instance(ct);
         new TreeScanner<Void, Void>() {
             private long parentStart = 0;
             private long parentEnd = Integer.MAX_VALUE;
             @Override
             public Void scan(Tree node, Void p) {
                 if (node == null) {
                     return null;
                 }
                 long start = trees.getSourcePositions().getStartPosition(cut, node);
                 if (start == (-1)) {
                     return null; // synthetic tree
                 }
                 assertTrue(node.toString() + ":" + start + "/" + parentStart,
                         parentStart <= start);
                 long prevParentStart = parentStart;
                 parentStart = start;
                 long end = trees.getSourcePositions().getEndPosition(cut, node);
                 assertTrue(node.toString() + ":" + end + "/" + parentEnd,
                         end <= parentEnd);
                 long prevParentEnd = parentEnd;
                 parentEnd = end;
                 super.scan(node, p);
                 parentStart = prevParentStart;
                 parentEnd = prevParentEnd;
                 return null;
             }
             private void assertTrue(String message, boolean b) {
                 if (!b) fail(message);
             }
         }.scan(cut, null);
     }
     @Test
     void testCorrectWilcardPositions1() throws IOException {
         performWildcardPositionsTest("package test; import java.util.List; " +
                 "class Test { private void method() { List<? extends List<? extends String>> l; } }",
                 Arrays.asList("List<? extends List<? extends String>> l;",
                 "List<? extends List<? extends String>>",
                 "List",
                 "? extends List<? extends String>",
                 "List<? extends String>",
                 "List",
                 "? extends String",
                 "String"));
     }
     @Test
     void testCorrectWilcardPositions2() throws IOException {
         performWildcardPositionsTest("package test; import java.util.List; "
                 + "class Test { private void method() { List<? super List<? super String>> l; } }",
                 Arrays.asList("List<? super List<? super String>> l;",
                 "List<? super List<? super String>>",
                 "List",
                 "? super List<? super String>",
                 "List<? super String>",
                 "List",
                 "? super String",
                 "String"));
     }
     @Test
     void testCorrectWilcardPositions3() throws IOException {
         performWildcardPositionsTest("package test; import java.util.List; " +
                 "class Test { private void method() { List<? super List<?>> l; } }",
                 Arrays.asList("List<? super List<?>> l;",
                 "List<? super List<?>>",
                 "List",
                 "? super List<?>",
                 "List<?>",
                 "List",
                 "?"));
     }
     @Test
     void testCorrectWilcardPositions4() throws IOException {
         performWildcardPositionsTest("package test; import java.util.List; " +
                 "class Test { private void method() { " +
                 "List<? extends List<? extends List<? extends String>>> l; } }",
                 Arrays.asList("List<? extends List<? extends List<? extends String>>> l;",
                 "List<? extends List<? extends List<? extends String>>>",
                 "List",
                 "? extends List<? extends List<? extends String>>",
                 "List<? extends List<? extends String>>",
                 "List",
                 "? extends List<? extends String>",
                 "List<? extends String>",
                 "List",
                 "? extends String",
                 "String"));
     }
     @Test
     void testCorrectWilcardPositions5() throws IOException {
         performWildcardPositionsTest("package test; import java.util.List; " +
                 "class Test { private void method() { " +
                 "List<? extends List<? extends List<? extends String   >>> l; } }",
                 Arrays.asList("List<? extends List<? extends List<? extends String   >>> l;",
                 "List<? extends List<? extends List<? extends String   >>>",
                 "List",
                 "? extends List<? extends List<? extends String   >>",
                 "List<? extends List<? extends String   >>",
                 "List",
                 "? extends List<? extends String   >",
                 "List<? extends String   >",
                 "List",
                 "? extends String",
                 "String"));
     }
     void performWildcardPositionsTest(final String code,
             List<String> golden) throws IOException {
         final List<Diagnostic<? extends JavaFileObject>> errors =
                 new LinkedList<Diagnostic<? extends JavaFileObject>>();
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null,
                 new DiagnosticListener<JavaFileObject>() {
                     public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
                         errors.add(diagnostic);
                     }
                 }, null, null, Arrays.asList(new MyFileObject(code)));
         final CompilationUnitTree cut = ct.parse().iterator().next();
         final List<String> content = new LinkedList<String>();
         final Trees trees = Trees.instance(ct);
         new TreeScanner<Void, Void>() {
             @Override
             public Void scan(Tree node, Void p) {
                 if (node == null) {
                     return null;
                 }
                 long start = trees.getSourcePositions().getStartPosition(cut, node);
                 if (start == (-1)) {
                     return null; // synthetic tree
                 }
                 long end = trees.getSourcePositions().getEndPosition(cut, node);
                 String s = code.substring((int) start, (int) end);
                 content.add(s);
                 return super.scan(node, p);
             }
         }.scan(((MethodTree) ((ClassTree) cut.getTypeDecls().get(0)).getMembers().get(0)).getBody().getStatements().get(0), null);
         assertEquals("performWildcardPositionsTest",golden.toString(),
                 content.toString());
     }
     @Test
     void testStartPositionForMethodWithoutModifiers() throws IOException {
         String code = "package t; class Test { <T> void t() {} }";
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
                 null, Arrays.asList(new MyFileObject(code)));
         CompilationUnitTree cut = ct.parse().iterator().next();
         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
         MethodTree mt = (MethodTree) clazz.getMembers().get(0);
         Trees t = Trees.instance(ct);
         int start = (int) t.getSourcePositions().getStartPosition(cut, mt);
         int end = (int) t.getSourcePositions().getEndPosition(cut, mt);
         assertEquals("testStartPositionForMethodWithoutModifiers",
                 "<T> void t() {}", code.substring(start, end));
     }
     @Test
     void testVariableInIfThen1() throws IOException {
         String code = "package t; class Test { " +
                 "private static void t(String name) { " +
                 "if (name != null) String nn = name.trim(); } }";
         DiagnosticCollector<JavaFileObject> coll =
                 new DiagnosticCollector<JavaFileObject>();
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
                 null, Arrays.asList(new MyFileObject(code)));
         ct.parse();
         List<String> codes = new LinkedList<String>();
         for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
             codes.add(d.getCode());
         }
         assertEquals("testVariableInIfThen1",
                 Arrays.<String>asList("compiler.err.variable.not.allowed"),
                 codes);
     }
     @Test
    void testVariableInIfThen2() throws IOException {
         String code = "package t; class Test { " +
                 "private static void t(String name) { " +
                 "if (name != null) class X {} } }";
         DiagnosticCollector<JavaFileObject> coll =
                 new DiagnosticCollector<JavaFileObject>();
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
                 null, Arrays.asList(new MyFileObject(code)));
         ct.parse();
         List<String> codes = new LinkedList<String>();
         for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
             codes.add(d.getCode());
         }
         assertEquals("testVariableInIfThen2",
                 Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
     }
     @Test
     void testVariableInIfThen3() throws IOException {
         String code = "package t; class Test { "+
                 "private static void t() { " +
                 "if (true) abstract class F {} }}";
         DiagnosticCollector<JavaFileObject> coll =
                 new DiagnosticCollector<JavaFileObject>();
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
                 null, Arrays.asList(new MyFileObject(code)));
         ct.parse();
         List<String> codes = new LinkedList<String>();
         for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
             codes.add(d.getCode());
         }
         assertEquals("testVariableInIfThen3",
                 Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
     }
     @Test
     void testVariableInIfThen4() throws IOException {
         String code = "package t; class Test { "+
                 "private static void t(String name) { " +
                 "if (name != null) interface X {} } }";
         DiagnosticCollector<JavaFileObject> coll =
                 new DiagnosticCollector<JavaFileObject>();
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
                 null, Arrays.asList(new MyFileObject(code)));
         ct.parse();
         List<String> codes = new LinkedList<String>();
         for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
             codes.add(d.getCode());
         }
         assertEquals("testVariableInIfThen4",
                 Arrays.<String>asList("compiler.err.class.not.allowed"), codes);
     }
     @Test
     void testVariableInIfThen5() throws IOException {
         String code = "package t; class Test { "+
                 "private static void t() { " +
                 "if (true) } }";
         DiagnosticCollector<JavaFileObject> coll =
                 new DiagnosticCollector<JavaFileObject>();
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null,
                 null, Arrays.asList(new MyFileObject(code)));
         ct.parse();
         List<String> codes = new LinkedList<String>();
         for (Diagnostic<? extends JavaFileObject> d : coll.getDiagnostics()) {
             codes.add(d.getCode());
         }
         assertEquals("testVariableInIfThen5",
                 Arrays.<String>asList("compiler.err.illegal.start.of.stmt"),
                 codes);
     }
     // see javac bug #6882235, NB bug #98234:
     @Test
     void testMissingExponent() throws IOException {
         String code = "\nclass Test { { System.err.println(0e); } }";
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
                 null, Arrays.asList(new MyFileObject(code)));
         assertNotNull(ct.parse().iterator().next());
     }
     @Test
     void testTryResourcePos() throws IOException {
         final String code = "package t; class Test { " +
                 "{ try (java.io.InputStream in = null) { } } }";
         CompilationUnitTree cut = getCompilationUnitTree(code);
         new TreeScanner<Void, Void>() {
             @Override
             public Void visitVariable(VariableTree node, Void p) {
                 if ("in".contentEquals(node.getName())) {
                     JCTree.JCVariableDecl var = (JCTree.JCVariableDecl) node;
                     assertEquals("testTryResourcePos", "in = null) { } } }",
                             code.substring(var.pos));
                 }
                 return super.visitVariable(node, p);
             }
         }.scan(cut, null);
     }
     @Test
     void testVarPos() throws IOException {
         final String code = "package t; class Test { " +
                 "{ java.io.InputStream in = null; } }";
         CompilationUnitTree cut = getCompilationUnitTree(code);
         new TreeScanner<Void, Void>() {
             @Override
             public Void visitVariable(VariableTree node, Void p) {
                 if ("in".contentEquals(node.getName())) {
                     JCTree.JCVariableDecl var = (JCTree.JCVariableDecl) node;
                     assertEquals("testVarPos","in = null; } }",
                             code.substring(var.pos));
                 }
                 return super.visitVariable(node, p);
             }
         }.scan(cut, null);
     }
     // expected erroneous tree: int x = y;(ERROR);
     @Test
     void testOperatorMissingError() throws IOException {
         String code = "package test; public class ErrorTest { "
                 + "void method() { int x = y  z } }";
         CompilationUnitTree cut = getCompilationUnitTree(code);
         final List<String> values = new ArrayList<>();
         final List<String> expectedValues =
                 new ArrayList<>(Arrays.asList("[z]"));
         new TreeScanner<Void, Void>() {
             @Override
             public Void visitErroneous(ErroneousTree node, Void p) {
                 values.add(getErroneousTreeValues(node).toString());
                 return null;
             }
         }.scan(cut, null);
         assertEquals("testSwitchError: The Erroneous tree "
                 + "error values: " + values
                 + " do not match expected error values: "
                 + expectedValues, values, expectedValues);
     }
     // expected erroneous tree:  String s = (ERROR);
     @Test
     void testMissingParenthesisError() throws IOException {
         String code = "package test; public class ErrorTest { "
                 + "void f() {String s = new String; } }";
         CompilationUnitTree cut = getCompilationUnitTree(code);
         final List<String> values = new ArrayList<>();
         final List<String> expectedValues =
                 new ArrayList<>(Arrays.asList("[new String()]"));
         new TreeScanner<Void, Void>() {
             @Override
             public Void visitErroneous(ErroneousTree node, Void p) {
                 values.add(getErroneousTreeValues(node).toString());
                 return null;
             }
         }.scan(cut, null);
         assertEquals("testSwitchError: The Erroneous tree "
                 + "error values: " + values
                 + " do not match expected error values: "
                 + expectedValues, values, expectedValues);
     }
     // expected erroneous tree: package test; (ERROR)(ERROR)
     @Test
     void testMissingClassError() throws IOException {
         String code = "package Test; clas ErrorTest {  "
                 + "void f() {String s = new String(); } }";
         CompilationUnitTree cut = getCompilationUnitTree(code);
         final List<String> values = new ArrayList<>();
         final List<String> expectedValues =
                 new ArrayList<>(Arrays.asList("[, clas]", "[]"));
         new TreeScanner<Void, Void>() {
             @Override
             public Void visitErroneous(ErroneousTree node, Void p) {
                 values.add(getErroneousTreeValues(node).toString());
                 return null;
             }
         }.scan(cut, null);
         assertEquals("testSwitchError: The Erroneous tree "
                 + "error values: " + values
                 + " do not match expected error values: "
                 + expectedValues, values, expectedValues);
     }
     // expected erroneous tree: void m1(int i) {(ERROR);{(ERROR);}
     @Test
     void testSwitchError() throws IOException {
         String code = "package test; public class ErrorTest { "
                 + "int numDays; void m1(int i) { switchh {i} { case 1: "
                 + "numDays = 31; break; } } }";
         CompilationUnitTree cut = getCompilationUnitTree(code);
         final List<String> values = new ArrayList<>();
         final List<String> expectedValues =
                 new ArrayList<>(Arrays.asList("[switchh]", "[i]"));
         new TreeScanner<Void, Void>() {
             @Override
             public Void visitErroneous(ErroneousTree node, Void p) {
                 values.add(getErroneousTreeValues(node).toString());
                 return null;
             }
         }.scan(cut, null);
         assertEquals("testSwitchError: The Erroneous tree "
                 + "error values: " + values
                 + " do not match expected error values: "
                 + expectedValues, values, expectedValues);
     }
     // expected erroneous tree: class ErrorTest {(ERROR)
     @Test
     void testMethodError() throws IOException {
         String code = "package Test; class ErrorTest {  "
                 + "static final void f) {String s = new String(); } }";
         CompilationUnitTree cut = cut = getCompilationUnitTree(code);
         final List<String> values = new ArrayList<>();
         final List<String> expectedValues =
                 new ArrayList<>(Arrays.asList("[\nstatic final void f();]"));
         new TreeScanner<Void, Void>() {
             @Override
             public Void visitErroneous(ErroneousTree node, Void p) {
                 values.add(normalize(getErroneousTreeValues(node).toString()));
                 return null;
             }
         }.scan(cut, null);
         assertEquals("testMethodError: The Erroneous tree "
                 + "error value: " + values
                 + " does not match expected error values: "
                 + expectedValues, values, expectedValues);
     }
     /*
      * The following tests do not work just yet with nb-javac nor javac,
      * they need further investigation, see CR: 7167356
      */
     void testPositionBrokenSource126732a() throws IOException {
         String[] commands = new String[]{
             "return Runnable()",
             "do { } while (true)",
             "throw UnsupportedOperationException()",
             "assert true",
             "1 + 1",};
         for (String command : commands) {
             String code = "package test;\n"
                     + "public class Test {\n"
                     + "    public static void test() {\n"
                     + "        " + command + " {\n"
                     + "                new Runnable() {\n"
                     + "        };\n"
                     + "    }\n"
                     + "}";
             JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null,
                     null, null, Arrays.asList(new MyFileObject(code)));
             CompilationUnitTree cut = ct.parse().iterator().next();
             ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
             MethodTree method = (MethodTree) clazz.getMembers().get(0);
             List<? extends StatementTree> statements =
                     method.getBody().getStatements();
             StatementTree ret = statements.get(0);
             StatementTree block = statements.get(1);
             Trees t = Trees.instance(ct);
             int len = code.indexOf(command + " {") + (command + " ").length();
             assertEquals(command, len,
                     t.getSourcePositions().getEndPosition(cut, ret));
             assertEquals(command, len,
                     t.getSourcePositions().getStartPosition(cut, block));
         }
     }
     void testPositionBrokenSource126732b() throws IOException {
         String[] commands = new String[]{
             "break",
             "break A",
             "continue ",
             "continue A",};
         for (String command : commands) {
             String code = "package test;\n"
                     + "public class Test {\n"
                     + "    public static void test() {\n"
                     + "        while (true) {\n"
                     + "            " + command + " {\n"
                     + "                new Runnable() {\n"
                     + "        };\n"
                     + "        }\n"
                     + "    }\n"
                     + "}";
             JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null,
                     null, null, Arrays.asList(new MyFileObject(code)));
             CompilationUnitTree cut = ct.parse().iterator().next();
             ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
             MethodTree method = (MethodTree) clazz.getMembers().get(0);
             List<? extends StatementTree> statements =
                     ((BlockTree) ((WhileLoopTree) method.getBody().getStatements().get(0)).getStatement()).getStatements();
             StatementTree ret = statements.get(0);
             StatementTree block = statements.get(1);
             Trees t = Trees.instance(ct);
             int len = code.indexOf(command + " {") + (command + " ").length();
             assertEquals(command, len,
                     t.getSourcePositions().getEndPosition(cut, ret));
             assertEquals(command, len,
                     t.getSourcePositions().getStartPosition(cut, block));
         }
     }
     void testStartPositionEnumConstantInit() throws IOException {
         String code = "package t; enum Test { AAA; }";
         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, null,
                 null, Arrays.asList(new MyFileObject(code)));
         CompilationUnitTree cut = ct.parse().iterator().next();
         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
         VariableTree enumAAA = (VariableTree) clazz.getMembers().get(0);
         Trees t = Trees.instance(ct);
         int start = (int) t.getSourcePositions().getStartPosition(cut,
                 enumAAA.getInitializer());
         assertEquals("testStartPositionEnumConstantInit", -1, start);
     }
     void run(String[] args) throws Exception {
         int passed = 0, failed = 0;
         final Pattern p = (args != null && args.length > 0)
                 ? Pattern.compile(args[0])
                 : null;
         for (Method m : this.getClass().getDeclaredMethods()) {
             boolean selected = (p == null)
                     ? m.isAnnotationPresent(Test.class)
                     : p.matcher(m.getName()).matches();
             if (selected) {
                 try {
                     m.invoke(this, (Object[]) null);
                     System.out.println(m.getName() + ": OK");
                     passed++;
                 } catch (Throwable ex) {
                     System.out.printf("Test %s failed: %s %n", m, ex.getCause());
                     failed++;
                 }
             }
         }
         System.out.printf("Passed: %d, Failed %d%n", passed, failed);
         if (failed > 0) {
             throw new RuntimeException("Tests failed: " + failed);
         }
         if (passed == 0 && failed == 0) {
             throw new AssertionError("No test(s) selected: passed = " +
                     passed + ", failed = " + failed + " ??????????");
         }
     }
 }
 abstract class TestCase {
     void assertEquals(String message, int i, int pos) {
         if (i != pos) {
             fail(message);
         }
     }
     void assertFalse(String message, boolean bvalue) {
         if (bvalue == true) {
             fail(message);
         }
     }
     void assertEquals(String message, int i, long l) {
         if (i != l) {
             fail(message + ":" + i + ":" + l);
         }
     }
     void assertEquals(String message, Object o1, Object o2) {
         if (o1 != null && o2 != null && !o1.equals(o2)) {
             fail(message);
         }
         if (o1 == null && o2 != null) {
             fail(message);
         }
     }
     void assertNotNull(Object o) {
         if (o == null) {
             fail();
         }
     }
     void fail() {
         fail("test failed");
     }
     void fail(String message) {
         throw new RuntimeException(message);
     }
     /**
      * Indicates that the annotated method is a test method.
      */
     @Retention(RetentionPolicy.RUNTIME)
     @Target(ElementType.METHOD)
     public @interface Test {}
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/parser/JavacParserTest.java@959103a6100f (annotated)

test/tools/javac/parser/JavacParserTest.java