|
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 */ |
|
23 |
|
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 */ |
|
33 |
|
34 // use /othervm to avoid jtreg timeout issues (CODETOOLS-7900047) |
|
35 // see JDK-8006746 |
|
36 |
|
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; |
|
44 |
|
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; |
|
51 |
|
52 public class T7093325 |
|
53 extends JavacTestingAbstractThreadedTest |
|
54 implements Runnable { |
|
55 |
|
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); |
|
61 |
|
62 String stmt; |
|
63 boolean canInline; |
|
64 boolean empty; |
|
65 |
|
66 private StatementKind(String stmt, boolean canInline, boolean empty) { |
|
67 this.stmt = stmt; |
|
68 this.canInline = canInline; |
|
69 this.empty = empty; |
|
70 } |
|
71 } |
|
72 |
|
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 }"); |
|
79 |
|
80 String catchStr; |
|
81 |
|
82 private CatchArity(String catchStr) { |
|
83 this.catchStr = catchStr; |
|
84 } |
|
85 |
|
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 } |
|
95 |
|
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 } |
|
137 |
|
138 checkAfterExec(); |
|
139 } |
|
140 |
|
141 /** instance decls **/ |
|
142 |
|
143 CatchArity ca; |
|
144 StatementKind[] stmts; |
|
145 |
|
146 public T7093325(CatchArity ca, StatementKind... stmts) { |
|
147 this.ca = ca; |
|
148 this.stmts = stmts; |
|
149 } |
|
150 |
|
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 } |
|
161 |
|
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 } |
|
177 |
|
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 } |
|
185 |
|
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 } |
|
193 |
|
194 if (test_method == null) { |
|
195 throw new Error("Method test() not found in class Test"); |
|
196 } |
|
197 |
|
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 } |
|
205 |
|
206 if (code == null) { |
|
207 throw new Error("Code attribute not found in method test()"); |
|
208 } |
|
209 |
|
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 } |
|
217 |
|
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 } |
|
228 |
|
229 } |
|
230 |
|
231 class JavaSource extends SimpleJavaFileObject { |
|
232 |
|
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 "}"; |
|
244 |
|
245 String source; |
|
246 |
|
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 } |
|
257 |
|
258 @Override |
|
259 public String toString() { |
|
260 return source; |
|
261 } |
|
262 |
|
263 @Override |
|
264 public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
|
265 return source; |
|
266 } |
|
267 } |
|
268 |
|
269 } |