--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/parser/JavacParserTest.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,1045 @@
+/*
+ * Copyright (c) 2011, 2016, 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 8065753
+ * @summary tests error and diagnostics positions
+ * @author Jan Lahoda
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ * jdk.compiler/com.sun.tools.javac.main
+ * jdk.compiler/com.sun.tools.javac.tree
+ */
+
+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.main.Main;
+import com.sun.tools.javac.main.Main.Result;
+import com.sun.tools.javac.tree.JCTree;
+import java.io.IOException;
+import java.io.StringWriter;
+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.JavaFileManager;
+import javax.tools.JavaFileObject;
+import javax.tools.SimpleJavaFileObject;
+import javax.tools.ToolProvider;
+
+public class JavacParserTest extends TestCase {
+ static final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
+ static final JavaFileManager fm = tool.getStandardFileManager(null, null, null);
+
+ private JavacParserTest(){}
+
+ public static void main(String... args) throws Exception {
+ try {
+ new JavacParserTest().run(args);
+ } finally {
+ fm.close();
+ }
+ }
+
+ 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, fm, 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, fm, 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, fm, 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, fm, 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, fm,
+ 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, fm, 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, fm,
+ 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 testCorrectWildcardPositions1() 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 testCorrectWildcardPositions2() 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 testCorrectWildcardPositions3() 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 testCorrectWildcardPositions4() 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 testCorrectWildcardPositions5() 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, fm,
+ 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, fm, 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, fm, 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, fm, 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, fm, 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, fm, 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, fm, 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, fm, 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("testOperatorMissingError: 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("testMissingParenthesisError: 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("testMissingClassError: 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, fm, 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, fm, 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, fm, 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, fm, 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);
+ }
+
+ @Test //JDK-8065753
+ void testWrongFirstToken() throws IOException {
+ String code = "<";
+ String expectedErrors = "Test.java:1:1: compiler.err.expected3: class, interface, enum\n" +
+ "1 error\n";
+ StringWriter out = new StringWriter();
+ JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(out, fm, null,
+ Arrays.asList("-XDrawDiagnostics"), null, Arrays.asList(new MyFileObject(code)));
+
+ Result errorCode = ct.doCall();
+ assertEquals("the error code is not correct; actual:" + errorCode, Main.Result.ERROR, errorCode);
+ String actualErrors = normalize(out.toString());
+ assertEquals("the error message is not correct, actual: " + actualErrors, expectedErrors, actualErrors);
+ }
+
+ 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 {}
+}