1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/T7093325.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,269 @@
1.4 +/*
1.5 + * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 7093325 8006694
1.30 + * @summary Redundant entry in bytecode exception table
1.31 + * temporarily workaround combo tests are causing time out in several platforms
1.32 + * @library lib
1.33 + * @build JavacTestingAbstractThreadedTest
1.34 + * @run main/othervm T7093325
1.35 + */
1.36 +
1.37 +// use /othervm to avoid jtreg timeout issues (CODETOOLS-7900047)
1.38 +// see JDK-8006746
1.39 +
1.40 +import java.io.File;
1.41 +import java.net.URI;
1.42 +import java.util.Arrays;
1.43 +import javax.tools.JavaCompiler;
1.44 +import javax.tools.JavaFileObject;
1.45 +import javax.tools.SimpleJavaFileObject;
1.46 +import javax.tools.ToolProvider;
1.47 +
1.48 +import com.sun.source.util.JavacTask;
1.49 +import com.sun.tools.classfile.Attribute;
1.50 +import com.sun.tools.classfile.ClassFile;
1.51 +import com.sun.tools.classfile.Code_attribute;
1.52 +import com.sun.tools.classfile.ConstantPool.*;
1.53 +import com.sun.tools.classfile.Method;
1.54 +
1.55 +public class T7093325
1.56 + extends JavacTestingAbstractThreadedTest
1.57 + implements Runnable {
1.58 +
1.59 + enum StatementKind {
1.60 + THROW("throw new RuntimeException();", false, false),
1.61 + RETURN_NONEMPTY("System.out.println(); return;", true, false),
1.62 + RETURN_EMPTY("return;", true, true),
1.63 + APPLY("System.out.println();", true, false);
1.64 +
1.65 + String stmt;
1.66 + boolean canInline;
1.67 + boolean empty;
1.68 +
1.69 + private StatementKind(String stmt, boolean canInline, boolean empty) {
1.70 + this.stmt = stmt;
1.71 + this.canInline = canInline;
1.72 + this.empty = empty;
1.73 + }
1.74 + }
1.75 +
1.76 + enum CatchArity {
1.77 + NONE(""),
1.78 + ONE("catch (A a) { #S1 }"),
1.79 + TWO("catch (B b) { #S2 }"),
1.80 + THREE("catch (C c) { #S3 }"),
1.81 + FOUR("catch (D d) { #S4 }");
1.82 +
1.83 + String catchStr;
1.84 +
1.85 + private CatchArity(String catchStr) {
1.86 + this.catchStr = catchStr;
1.87 + }
1.88 +
1.89 + String catchers() {
1.90 + if (this.ordinal() == 0) {
1.91 + return catchStr;
1.92 + } else {
1.93 + return CatchArity.values()[this.ordinal() - 1].catchers() +
1.94 + catchStr;
1.95 + }
1.96 + }
1.97 + }
1.98 +
1.99 + public static void main(String... args) throws Exception {
1.100 + for (CatchArity ca : CatchArity.values()) {
1.101 + for (StatementKind stmt0 : StatementKind.values()) {
1.102 + if (ca.ordinal() == 0) {
1.103 + pool.execute(new T7093325(ca, stmt0));
1.104 + continue;
1.105 + }
1.106 + for (StatementKind stmt1 : StatementKind.values()) {
1.107 + if (ca.ordinal() == 1) {
1.108 + pool.execute(new T7093325(ca, stmt0, stmt1));
1.109 + continue;
1.110 + }
1.111 + for (StatementKind stmt2 : StatementKind.values()) {
1.112 + if (ca.ordinal() == 2) {
1.113 + pool.execute(new T7093325(ca, stmt0, stmt1, stmt2));
1.114 + continue;
1.115 + }
1.116 + for (StatementKind stmt3 : StatementKind.values()) {
1.117 + if (ca.ordinal() == 3) {
1.118 + pool.execute(
1.119 + new T7093325(ca, stmt0, stmt1, stmt2, stmt3));
1.120 + continue;
1.121 + }
1.122 + for (StatementKind stmt4 : StatementKind.values()) {
1.123 + if (ca.ordinal() == 4) {
1.124 + pool.execute(
1.125 + new T7093325(ca, stmt0, stmt1,
1.126 + stmt2, stmt3, stmt4));
1.127 + continue;
1.128 + }
1.129 + for (StatementKind stmt5 : StatementKind.values()) {
1.130 + pool.execute(
1.131 + new T7093325(ca, stmt0, stmt1, stmt2,
1.132 + stmt3, stmt4, stmt5));
1.133 + }
1.134 + }
1.135 + }
1.136 + }
1.137 + }
1.138 + }
1.139 + }
1.140 +
1.141 + checkAfterExec();
1.142 + }
1.143 +
1.144 + /** instance decls **/
1.145 +
1.146 + CatchArity ca;
1.147 + StatementKind[] stmts;
1.148 +
1.149 + public T7093325(CatchArity ca, StatementKind... stmts) {
1.150 + this.ca = ca;
1.151 + this.stmts = stmts;
1.152 + }
1.153 +
1.154 + @Override
1.155 + public void run() {
1.156 + int id = checkCount.incrementAndGet();
1.157 + final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
1.158 + JavaSource source = new JavaSource(id);
1.159 + JavacTask ct = (JavacTask)tool.getTask(null, fm.get(), null,
1.160 + null, null, Arrays.asList(source));
1.161 + ct.call();
1.162 + verifyBytecode(source, id);
1.163 + }
1.164 +
1.165 + void verifyBytecode(JavaSource source, int id) {
1.166 + boolean lastInlined = false;
1.167 + boolean hasCode = false;
1.168 + int gapsCount = 0;
1.169 + for (int i = 0; i < stmts.length ; i++) {
1.170 + lastInlined = stmts[i].canInline;
1.171 + hasCode = hasCode || !stmts[i].empty;
1.172 + if (lastInlined && hasCode) {
1.173 + hasCode = false;
1.174 + gapsCount++;
1.175 + }
1.176 + }
1.177 + if (!lastInlined) {
1.178 + gapsCount++;
1.179 + }
1.180 +
1.181 + File compiledTest = new File(String.format("Test%s.class", id));
1.182 + try {
1.183 + ClassFile cf = ClassFile.read(compiledTest);
1.184 + if (cf == null) {
1.185 + throw new Error("Classfile not found: " +
1.186 + compiledTest.getName());
1.187 + }
1.188 +
1.189 + Method test_method = null;
1.190 + for (Method m : cf.methods) {
1.191 + if (m.getName(cf.constant_pool).equals("test")) {
1.192 + test_method = m;
1.193 + break;
1.194 + }
1.195 + }
1.196 +
1.197 + if (test_method == null) {
1.198 + throw new Error("Method test() not found in class Test");
1.199 + }
1.200 +
1.201 + Code_attribute code = null;
1.202 + for (Attribute a : test_method.attributes) {
1.203 + if (a.getName(cf.constant_pool).equals(Attribute.Code)) {
1.204 + code = (Code_attribute)a;
1.205 + break;
1.206 + }
1.207 + }
1.208 +
1.209 + if (code == null) {
1.210 + throw new Error("Code attribute not found in method test()");
1.211 + }
1.212 +
1.213 + int actualGapsCount = 0;
1.214 + for (int i = 0; i < code.exception_table_length ; i++) {
1.215 + int catchType = code.exception_table[i].catch_type;
1.216 + if (catchType == 0) { //any
1.217 + actualGapsCount++;
1.218 + }
1.219 + }
1.220 +
1.221 + if (actualGapsCount != gapsCount) {
1.222 + throw new Error("Bad exception table for test()\n" +
1.223 + "expected gaps: " + gapsCount + "\n" +
1.224 + "found gaps: " + actualGapsCount + "\n" +
1.225 + source);
1.226 + }
1.227 + } catch (Exception e) {
1.228 + e.printStackTrace();
1.229 + throw new Error("error reading " + compiledTest +": " + e);
1.230 + }
1.231 +
1.232 + }
1.233 +
1.234 + class JavaSource extends SimpleJavaFileObject {
1.235 +
1.236 + static final String source_template =
1.237 + "class A extends RuntimeException {} \n" +
1.238 + "class B extends RuntimeException {} \n" +
1.239 + "class C extends RuntimeException {} \n" +
1.240 + "class D extends RuntimeException {} \n" +
1.241 + "class E extends RuntimeException {} \n" +
1.242 + "class Test#ID {\n" +
1.243 + " void test() {\n" +
1.244 + " try { #S0 } #C finally { System.out.println(); }\n" +
1.245 + " }\n" +
1.246 + "}";
1.247 +
1.248 + String source;
1.249 +
1.250 + public JavaSource(int id) {
1.251 + super(URI.create(String.format("myfo:/Test%s.java", id)),
1.252 + JavaFileObject.Kind.SOURCE);
1.253 + source = source_template.replace("#C", ca.catchers());
1.254 + source = source.replace("#S0", stmts[0].stmt);
1.255 + source = source.replace("#ID", String.valueOf(id));
1.256 + for (int i = 1; i < ca.ordinal() + 1; i++) {
1.257 + source = source.replace("#S" + i, stmts[i].stmt);
1.258 + }
1.259 + }
1.260 +
1.261 + @Override
1.262 + public String toString() {
1.263 + return source;
1.264 + }
1.265 +
1.266 + @Override
1.267 + public CharSequence getCharContent(boolean ignoreEncodingErrors) {
1.268 + return source;
1.269 + }
1.270 + }
1.271 +
1.272 +}
