Mercurial > jdk8-mips64-public > langtools / file revision
test/tools/javac/T7093325.java@ac6ec071c2b2
test/tools/javac/T7093325.java
Wed, 18 Sep 2013 14:39:27 +0200
- author
- alundblad
- date
- Wed, 18 Sep 2013 14:39:27 +0200
- changeset 2034
- ac6ec071c2b2
- parent 1520
- 5c956be64b9e
- child 2525
- 2eb010b6cb22
- permissions
- -rw-r--r--
8024127: javac, Code_attribute.exception_table_langth should be Code_attribute.exception_table_length
Summary: exception_table_langth renamed to exception_table_length
Reviewed-by: jfranck, jjg
1 /*
2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
24 /*
25 * @test
26 * @bug 7093325 8006694
27 * @summary Redundant entry in bytecode exception table
28 * temporarily workaround combo tests are causing time out in several platforms
29 * @library lib
30 * @build JavacTestingAbstractThreadedTest
31 * @run main/othervm T7093325
32 */
34 // use /othervm to avoid jtreg timeout issues (CODETOOLS-7900047)
35 // see JDK-8006746
37 import java.io.File;
38 import java.net.URI;
39 import java.util.Arrays;
40 import javax.tools.JavaCompiler;
41 import javax.tools.JavaFileObject;
42 import javax.tools.SimpleJavaFileObject;
43 import javax.tools.ToolProvider;
45 import com.sun.source.util.JavacTask;
46 import com.sun.tools.classfile.Attribute;
47 import com.sun.tools.classfile.ClassFile;
48 import com.sun.tools.classfile.Code_attribute;
49 import com.sun.tools.classfile.ConstantPool.*;
50 import com.sun.tools.classfile.Method;
52 public class T7093325
53 extends JavacTestingAbstractThreadedTest
54 implements Runnable {
56 enum StatementKind {
57 THROW("throw new RuntimeException();", false, false),
58 RETURN_NONEMPTY("System.out.println(); return;", true, false),
59 RETURN_EMPTY("return;", true, true),
60 APPLY("System.out.println();", true, false);
62 String stmt;
63 boolean canInline;
64 boolean empty;
66 private StatementKind(String stmt, boolean canInline, boolean empty) {
67 this.stmt = stmt;
68 this.canInline = canInline;
69 this.empty = empty;
70 }
71 }
73 enum CatchArity {
74 NONE(""),
75 ONE("catch (A a) { #S1 }"),
76 TWO("catch (B b) { #S2 }"),
77 THREE("catch (C c) { #S3 }"),
78 FOUR("catch (D d) { #S4 }");
80 String catchStr;
82 private CatchArity(String catchStr) {
83 this.catchStr = catchStr;
84 }
86 String catchers() {
87 if (this.ordinal() == 0) {
88 return catchStr;
89 } else {
90 return CatchArity.values()[this.ordinal() - 1].catchers() +
91 catchStr;
92 }
93 }
94 }
96 public static void main(String... args) throws Exception {
97 for (CatchArity ca : CatchArity.values()) {
98 for (StatementKind stmt0 : StatementKind.values()) {
99 if (ca.ordinal() == 0) {
100 pool.execute(new T7093325(ca, stmt0));
101 continue;
102 }
103 for (StatementKind stmt1 : StatementKind.values()) {
104 if (ca.ordinal() == 1) {
105 pool.execute(new T7093325(ca, stmt0, stmt1));
106 continue;
107 }
108 for (StatementKind stmt2 : StatementKind.values()) {
109 if (ca.ordinal() == 2) {
110 pool.execute(new T7093325(ca, stmt0, stmt1, stmt2));
111 continue;
112 }
113 for (StatementKind stmt3 : StatementKind.values()) {
114 if (ca.ordinal() == 3) {
115 pool.execute(
116 new T7093325(ca, stmt0, stmt1, stmt2, stmt3));
117 continue;
118 }
119 for (StatementKind stmt4 : StatementKind.values()) {
120 if (ca.ordinal() == 4) {
121 pool.execute(
122 new T7093325(ca, stmt0, stmt1,
123 stmt2, stmt3, stmt4));
124 continue;
125 }
126 for (StatementKind stmt5 : StatementKind.values()) {
127 pool.execute(
128 new T7093325(ca, stmt0, stmt1, stmt2,
129 stmt3, stmt4, stmt5));
130 }
131 }
132 }
133 }
134 }
135 }
136 }
138 checkAfterExec();
139 }
141 /** instance decls **/
143 CatchArity ca;
144 StatementKind[] stmts;
146 public T7093325(CatchArity ca, StatementKind... stmts) {
147 this.ca = ca;
148 this.stmts = stmts;
149 }
151 @Override
152 public void run() {
153 int id = checkCount.incrementAndGet();
154 final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
155 JavaSource source = new JavaSource(id);
156 JavacTask ct = (JavacTask)tool.getTask(null, fm.get(), null,
157 null, null, Arrays.asList(source));
158 ct.call();
159 verifyBytecode(source, id);
160 }
162 void verifyBytecode(JavaSource source, int id) {
163 boolean lastInlined = false;
164 boolean hasCode = false;
165 int gapsCount = 0;
166 for (int i = 0; i < stmts.length ; i++) {
167 lastInlined = stmts[i].canInline;
168 hasCode = hasCode || !stmts[i].empty;
169 if (lastInlined && hasCode) {
170 hasCode = false;
171 gapsCount++;
172 }
173 }
174 if (!lastInlined) {
175 gapsCount++;
176 }
178 File compiledTest = new File(String.format("Test%s.class", id));
179 try {
180 ClassFile cf = ClassFile.read(compiledTest);
181 if (cf == null) {
182 throw new Error("Classfile not found: " +
183 compiledTest.getName());
184 }
186 Method test_method = null;
187 for (Method m : cf.methods) {
188 if (m.getName(cf.constant_pool).equals("test")) {
189 test_method = m;
190 break;
191 }
192 }
194 if (test_method == null) {
195 throw new Error("Method test() not found in class Test");
196 }
198 Code_attribute code = null;
199 for (Attribute a : test_method.attributes) {
200 if (a.getName(cf.constant_pool).equals(Attribute.Code)) {
201 code = (Code_attribute)a;
202 break;
203 }
204 }
206 if (code == null) {
207 throw new Error("Code attribute not found in method test()");
208 }
210 int actualGapsCount = 0;
211 for (int i = 0; i < code.exception_table_length ; i++) {
212 int catchType = code.exception_table[i].catch_type;
213 if (catchType == 0) { //any
214 actualGapsCount++;
215 }
216 }
218 if (actualGapsCount != gapsCount) {
219 throw new Error("Bad exception table for test()\n" +
220 "expected gaps: " + gapsCount + "\n" +
221 "found gaps: " + actualGapsCount + "\n" +
222 source);
223 }
224 } catch (Exception e) {
225 e.printStackTrace();
226 throw new Error("error reading " + compiledTest +": " + e);
227 }
229 }
231 class JavaSource extends SimpleJavaFileObject {
233 static final String source_template =
234 "class A extends RuntimeException {} \n" +
235 "class B extends RuntimeException {} \n" +
236 "class C extends RuntimeException {} \n" +
237 "class D extends RuntimeException {} \n" +
238 "class E extends RuntimeException {} \n" +
239 "class Test#ID {\n" +
240 " void test() {\n" +
241 " try { #S0 } #C finally { System.out.println(); }\n" +
242 " }\n" +
243 "}";
245 String source;
247 public JavaSource(int id) {
248 super(URI.create(String.format("myfo:/Test%s.java", id)),
249 JavaFileObject.Kind.SOURCE);
250 source = source_template.replace("#C", ca.catchers());
251 source = source.replace("#S0", stmts[0].stmt);
252 source = source.replace("#ID", String.valueOf(id));
253 for (int i = 1; i < ca.ordinal() + 1; i++) {
254 source = source.replace("#S" + i, stmts[i].stmt);
255 }
256 }
258 @Override
259 public String toString() {
260 return source;
261 }
263 @Override
264 public CharSequence getCharContent(boolean ignoreEncodingErrors) {
265 return source;
266 }
267 }
269 }
