| /* |
| * Copyright (c) 2011, 2015, 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 7093325 8006694 8129962 |
| * @summary Redundant entry in bytecode exception table |
| * temporarily workaround combo tests are causing time out in several platforms |
| * @library /tools/javac/lib |
| * @modules jdk.jdeps/com.sun.tools.classfile |
| * jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.code |
| * jdk.compiler/com.sun.tools.javac.comp |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.compiler/com.sun.tools.javac.tree |
| * jdk.compiler/com.sun.tools.javac.util |
| * @build combo.ComboTestHelper |
| * @run main T7093325 |
| */ |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import com.sun.tools.classfile.Attribute; |
| import com.sun.tools.classfile.ClassFile; |
| import com.sun.tools.classfile.Code_attribute; |
| import com.sun.tools.classfile.ConstantPoolException; |
| import com.sun.tools.classfile.Method; |
| |
| import javax.tools.JavaFileObject; |
| |
| import combo.ComboInstance; |
| import combo.ComboParameter; |
| import combo.ComboTask.Result; |
| import combo.ComboTestHelper; |
| |
| public class T7093325 extends ComboInstance<T7093325> { |
| |
| enum StatementKind implements ComboParameter { |
| NONE(null, false, false), |
| THROW("throw new RuntimeException();", false, false), |
| RETURN_NONEMPTY("System.out.println(); return;", true, false), |
| RETURN_EMPTY("return;", true, true), |
| APPLY("System.out.println();", true, false); |
| |
| String stmt; |
| boolean canInline; |
| boolean empty; |
| |
| StatementKind(String stmt, boolean canInline, boolean empty) { |
| this.stmt = stmt; |
| this.canInline = canInline; |
| this.empty = empty; |
| } |
| |
| @Override |
| public String expand(String optParameter) { |
| return stmt; |
| } |
| } |
| |
| enum CatchArity implements ComboParameter { |
| NONE(""), |
| ONE("catch (A a) { #{STMT[1]} }"), |
| TWO("catch (B b) { #{STMT[2]} }"), |
| THREE("catch (C c) { #{STMT[3]} }"), |
| FOUR("catch (D d) { #{STMT[4]} }"); |
| |
| String catchStr; |
| |
| CatchArity(String catchStr) { |
| this.catchStr = catchStr; |
| } |
| |
| @Override |
| public String expand(String optParameter) { |
| if (this.ordinal() == 0) { |
| return catchStr; |
| } else { |
| return CatchArity.values()[this.ordinal() - 1].expand(optParameter) + |
| catchStr; |
| } |
| } |
| } |
| |
| public static void main(String... args) throws Exception { |
| new ComboTestHelper<T7093325>() |
| .withFilter(T7093325::testFilter) |
| .withDimension("CATCH", (x, ca) -> x.ca = ca, CatchArity.values()) |
| .withArrayDimension("STMT", (x, stmt, idx) -> x.stmts[idx] = stmt, 5, StatementKind.values()) |
| .run(T7093325::new); |
| } |
| |
| /** instance decls **/ |
| |
| CatchArity ca; |
| StatementKind[] stmts = new StatementKind[5]; |
| |
| boolean testFilter() { |
| int lastPos = ca.ordinal() + 1; |
| for (int i = 0; i < stmts.length ; i++) { |
| boolean shouldBeSet = i < lastPos; |
| boolean isSet = stmts[i] != StatementKind.NONE; |
| if (shouldBeSet != isSet) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public void doWork() throws IOException { |
| verifyBytecode(newCompilationTask() |
| .withSourceFromTemplate(source_template) |
| .generate()); |
| } |
| |
| void verifyBytecode(Result<Iterable<? extends JavaFileObject>> result) { |
| boolean lastInlined = false; |
| boolean hasCode = false; |
| int gapsCount = 0; |
| for (int i = 0; i < ca.ordinal() + 1 ; i++) { |
| lastInlined = stmts[i].canInline; |
| hasCode = hasCode || !stmts[i].empty; |
| if (lastInlined && hasCode) { |
| hasCode = false; |
| gapsCount++; |
| } |
| } |
| if (!lastInlined) { |
| gapsCount++; |
| } |
| |
| try (InputStream is = result.get().iterator().next().openInputStream()) { |
| ClassFile cf = ClassFile.read(is); |
| if (cf == null) { |
| fail("Classfile not found: " + result.compilationInfo()); |
| return; |
| } |
| |
| Method test_method = null; |
| for (Method m : cf.methods) { |
| if (m.getName(cf.constant_pool).equals("test")) { |
| test_method = m; |
| break; |
| } |
| } |
| |
| if (test_method == null) { |
| fail("Method test() not found in class Test" + result.compilationInfo()); |
| return; |
| } |
| |
| Code_attribute code = null; |
| for (Attribute a : test_method.attributes) { |
| if (a.getName(cf.constant_pool).equals(Attribute.Code)) { |
| code = (Code_attribute)a; |
| break; |
| } |
| } |
| |
| if (code == null) { |
| fail("Code attribute not found in method test()"); |
| return; |
| } |
| |
| int actualGapsCount = 0; |
| for (int i = 0; i < code.exception_table_length ; i++) { |
| int catchType = code.exception_table[i].catch_type; |
| if (catchType == 0) { //any |
| actualGapsCount++; |
| } |
| } |
| |
| if (actualGapsCount != gapsCount) { |
| fail("Bad exception table for test()\n" + |
| "expected gaps: " + gapsCount + "\n" + |
| "found gaps: " + actualGapsCount + "\n" + |
| result.compilationInfo()); |
| return; |
| } |
| } catch (IOException | ConstantPoolException e) { |
| e.printStackTrace(); |
| fail("error reading classfile: " + e); |
| } |
| |
| } |
| |
| static final String source_template = |
| "class Test {\n" + |
| " void test() {\n" + |
| " try { #{STMT[0]} } #{CATCH} finally { System.out.println(); }\n" + |
| " }\n" + |
| "}\n" + |
| "class A extends RuntimeException {} \n" + |
| "class B extends RuntimeException {} \n" + |
| "class C extends RuntimeException {} \n" + |
| "class D extends RuntimeException {} \n" + |
| "class E extends RuntimeException {}"; |
| } |