270 lines
9.1 KiB
Java
270 lines
9.1 KiB
Java
/*
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* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7093325 8006694
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* @summary Redundant entry in bytecode exception table
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* temporarily workaround combo tests are causing time out in several platforms
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* @library lib
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* @build JavacTestingAbstractThreadedTest
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* @run main/othervm T7093325
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*/
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// use /othervm to avoid jtreg timeout issues (CODETOOLS-7900047)
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// see JDK-8006746
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import java.io.File;
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import java.net.URI;
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import java.util.Arrays;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.ToolProvider;
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import com.sun.source.util.JavacTask;
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import com.sun.tools.classfile.Attribute;
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import com.sun.tools.classfile.ClassFile;
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import com.sun.tools.classfile.Code_attribute;
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import com.sun.tools.classfile.ConstantPool.*;
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import com.sun.tools.classfile.Method;
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public class T7093325
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extends JavacTestingAbstractThreadedTest
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implements Runnable {
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enum StatementKind {
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THROW("throw new RuntimeException();", false, false),
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RETURN_NONEMPTY("System.out.println(); return;", true, false),
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RETURN_EMPTY("return;", true, true),
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APPLY("System.out.println();", true, false);
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String stmt;
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boolean canInline;
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boolean empty;
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private StatementKind(String stmt, boolean canInline, boolean empty) {
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this.stmt = stmt;
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this.canInline = canInline;
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this.empty = empty;
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}
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}
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enum CatchArity {
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NONE(""),
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ONE("catch (A a) { #S1 }"),
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TWO("catch (B b) { #S2 }"),
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THREE("catch (C c) { #S3 }"),
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FOUR("catch (D d) { #S4 }");
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String catchStr;
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private CatchArity(String catchStr) {
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this.catchStr = catchStr;
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}
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String catchers() {
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if (this.ordinal() == 0) {
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return catchStr;
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} else {
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return CatchArity.values()[this.ordinal() - 1].catchers() +
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catchStr;
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}
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}
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}
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public static void main(String... args) throws Exception {
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for (CatchArity ca : CatchArity.values()) {
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for (StatementKind stmt0 : StatementKind.values()) {
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if (ca.ordinal() == 0) {
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pool.execute(new T7093325(ca, stmt0));
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continue;
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}
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for (StatementKind stmt1 : StatementKind.values()) {
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if (ca.ordinal() == 1) {
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pool.execute(new T7093325(ca, stmt0, stmt1));
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continue;
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}
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for (StatementKind stmt2 : StatementKind.values()) {
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if (ca.ordinal() == 2) {
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pool.execute(new T7093325(ca, stmt0, stmt1, stmt2));
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continue;
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}
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for (StatementKind stmt3 : StatementKind.values()) {
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if (ca.ordinal() == 3) {
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pool.execute(
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new T7093325(ca, stmt0, stmt1, stmt2, stmt3));
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continue;
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}
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for (StatementKind stmt4 : StatementKind.values()) {
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if (ca.ordinal() == 4) {
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pool.execute(
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new T7093325(ca, stmt0, stmt1,
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stmt2, stmt3, stmt4));
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continue;
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}
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for (StatementKind stmt5 : StatementKind.values()) {
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pool.execute(
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new T7093325(ca, stmt0, stmt1, stmt2,
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stmt3, stmt4, stmt5));
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}
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}
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}
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}
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}
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}
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}
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checkAfterExec();
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}
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/** instance decls **/
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CatchArity ca;
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StatementKind[] stmts;
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public T7093325(CatchArity ca, StatementKind... stmts) {
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this.ca = ca;
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this.stmts = stmts;
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}
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@Override
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public void run() {
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int id = checkCount.incrementAndGet();
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final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
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JavaSource source = new JavaSource(id);
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JavacTask ct = (JavacTask)tool.getTask(null, fm.get(), null,
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null, null, Arrays.asList(source));
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ct.call();
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verifyBytecode(source, id);
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}
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void verifyBytecode(JavaSource source, int id) {
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boolean lastInlined = false;
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boolean hasCode = false;
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int gapsCount = 0;
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for (int i = 0; i < stmts.length ; i++) {
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lastInlined = stmts[i].canInline;
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hasCode = hasCode || !stmts[i].empty;
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if (lastInlined && hasCode) {
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hasCode = false;
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gapsCount++;
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}
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}
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if (!lastInlined) {
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gapsCount++;
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}
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File compiledTest = new File(String.format("Test%s.class", id));
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try {
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ClassFile cf = ClassFile.read(compiledTest);
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if (cf == null) {
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throw new Error("Classfile not found: " +
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compiledTest.getName());
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}
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Method test_method = null;
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for (Method m : cf.methods) {
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if (m.getName(cf.constant_pool).equals("test")) {
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test_method = m;
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break;
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}
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}
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if (test_method == null) {
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throw new Error("Method test() not found in class Test");
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}
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Code_attribute code = null;
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for (Attribute a : test_method.attributes) {
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if (a.getName(cf.constant_pool).equals(Attribute.Code)) {
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code = (Code_attribute)a;
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break;
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}
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}
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if (code == null) {
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throw new Error("Code attribute not found in method test()");
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}
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int actualGapsCount = 0;
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for (int i = 0; i < code.exception_table_length ; i++) {
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int catchType = code.exception_table[i].catch_type;
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if (catchType == 0) { //any
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actualGapsCount++;
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}
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}
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if (actualGapsCount != gapsCount) {
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throw new Error("Bad exception table for test()\n" +
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"expected gaps: " + gapsCount + "\n" +
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"found gaps: " + actualGapsCount + "\n" +
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source);
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}
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} catch (Exception e) {
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e.printStackTrace();
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throw new Error("error reading " + compiledTest +": " + e);
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}
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}
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class JavaSource extends SimpleJavaFileObject {
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static final String source_template =
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"class A extends RuntimeException {} \n" +
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"class B extends RuntimeException {} \n" +
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"class C extends RuntimeException {} \n" +
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"class D extends RuntimeException {} \n" +
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"class E extends RuntimeException {} \n" +
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"class Test#ID {\n" +
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" void test() {\n" +
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" try { #S0 } #C finally { System.out.println(); }\n" +
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" }\n" +
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"}";
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String source;
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public JavaSource(int id) {
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super(URI.create(String.format("myfo:/Test%s.java", id)),
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JavaFileObject.Kind.SOURCE);
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source = source_template.replace("#C", ca.catchers());
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source = source.replace("#S0", stmts[0].stmt);
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source = source.replace("#ID", String.valueOf(id));
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for (int i = 1; i < ca.ordinal() + 1; i++) {
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source = source.replace("#S" + i, stmts[i].stmt);
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}
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}
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@Override
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public String toString() {
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return source;
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return source;
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}
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}
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}
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