| /* |
| * Copyright (c) 2011, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 7073631 7159445 7156633 8028235 |
| * @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.LambdaExpressionTree; |
| import com.sun.source.tree.MethodInvocationTree; |
| import com.sun.source.tree.MethodTree; |
| import com.sun.source.tree.ModifiersTree; |
| import com.sun.source.tree.PrimitiveTypeTree; |
| 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.lang.model.type.TypeKind; |
| 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", |
| 1, 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); |
| } |
| |
| @Test |
| void testVoidLambdaParameter() throws IOException { |
| String code = "package t; class Test { " + |
| "Runnable r = (void v) -> { };" + |
| "}"; |
| DiagnosticCollector<JavaFileObject> coll = |
| new DiagnosticCollector<>(); |
| JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, coll, null, |
| null, Arrays.asList(new MyFileObject(code))); |
| |
| CompilationUnitTree cut = ct.parse().iterator().next(); |
| ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0); |
| VariableTree field = (VariableTree) clazz.getMembers().get(0); |
| |
| assertEquals("actual kind: " + field.getInitializer().getKind(), |
| field.getInitializer().getKind(), |
| Kind.LAMBDA_EXPRESSION); |
| |
| LambdaExpressionTree lambda = (LambdaExpressionTree) field.getInitializer(); |
| |
| assertEquals("actual parameters: " + lambda.getParameters().size(), |
| lambda.getParameters().size(), |
| 1); |
| |
| Tree paramType = lambda.getParameters().get(0).getType(); |
| |
| assertEquals("actual parameter type: " + paramType.getKind(), |
| paramType.getKind(), |
| Kind.PRIMITIVE_TYPE); |
| |
| TypeKind primitiveTypeKind = ((PrimitiveTypeTree) paramType).getPrimitiveTypeKind(); |
| |
| assertEquals("actual parameter type: " + primitiveTypeKind, |
| primitiveTypeKind, |
| TypeKind.VOID); |
| } |
| |
| 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 {} |
| } |
