This is an automated email from the ASF dual-hosted git repository. ggregory pushed a commit to branch master in repository https://gitbox.apache.org/repos/asf/commons-bcel.git
commit f26ab370ef575e06858dba16c693712016892f5c Author: Gary Gregory <[email protected]> AuthorDate: Wed Mar 20 21:28:25 2019 -0400 Add missing license header. --- src/test/java/org/apache/bcel/HandleTestCase.java | 292 ++++++++++++---------- 1 file changed, 155 insertions(+), 137 deletions(-) diff --git a/src/test/java/org/apache/bcel/HandleTestCase.java b/src/test/java/org/apache/bcel/HandleTestCase.java index c964360..6fbbac3 100644 --- a/src/test/java/org/apache/bcel/HandleTestCase.java +++ b/src/test/java/org/apache/bcel/HandleTestCase.java @@ -1,138 +1,156 @@ -package org.apache.bcel; - -import org.apache.bcel.generic.GOTO; -import org.apache.bcel.generic.ILOAD; -import org.apache.bcel.generic.InstructionHandle; -import org.apache.bcel.generic.InstructionList; -import org.apache.bcel.generic.NOP; -import org.junit.Test; - -import junit.framework.AssertionFailedError; - -/** - * Test for https://issues.apache.org/jira/browse/BCEL-267 "Race conditions on - * static fields in BranchHandle and InstructionHandle". - */ -public class HandleTestCase { - - static Throwable exception; - static final int MAXI = 100; - static final int MAXJ = 1000; - - /** - * Asserts that branch handles can be added an instruction list, without - * corrupting the list. - */ - static void branchHandles() { - for (int i = 0; i < MAXI; i++) { - final InstructionList list = new InstructionList(); - final InstructionHandle start = list.append(new NOP()); - try { - for (int j = 0; j < MAXJ; j++) { - list.append(new GOTO(start)); - } - final InstructionHandle[] instructionHandles = list.getInstructionHandles(); - for (int j = 0; j < instructionHandles.length; j++) { - final InstructionHandle handle = instructionHandles[j]; - if (j > 0) { - checkLinkage(handle, j); - if (start != ((GOTO) handle.getInstruction()).getTarget()) { - final AssertionFailedError error = new AssertionFailedError( - "unexpected instruction at index " + j); - exception = error; - throw error; - } - } - } - if (exception != null) { - return; - } - } catch (final NullPointerException e) { - System.out.println("NPE at i=" + i); - exception = e; - throw e; - } - list.dispose(); // this initializes caching of unused instruction handles - } - } - - /** - * Assert that opposite next/prev pairs always match. - */ - static void checkLinkage(final InstructionHandle ih, final int index) { - final InstructionHandle prev = ih.getPrev(); - final InstructionHandle next = ih.getNext(); - if ((prev != null && prev.getNext() != ih) || (next != null && next.getPrev() != ih)) { - final AssertionFailedError error = new AssertionFailedError("corrupt instruction list at index " + index); - exception = error; - throw error; - } - } - - /** - * Asserts that instruction handles can be added an instruction list, without - * corrupting the list. - */ - static void handles() { - for (int i = 0; i < MAXI; i++) { - final InstructionList list = new InstructionList(); - try { - for (int j = 0; j < MAXJ; j++) { - list.append(new ILOAD(j)); - } - final InstructionHandle[] instructionHandles = list.getInstructionHandles(); - for (int j = 0; j < instructionHandles.length; j++) { - final InstructionHandle handle = instructionHandles[j]; - checkLinkage(handle, j); - if (j != ((ILOAD) handle.getInstruction()).getIndex()) { - final AssertionFailedError error = new AssertionFailedError("unexpected instruction at index " + j); - exception = error; - throw error; - } - } - if (exception != null) { - return; - } - } catch (final NullPointerException e) { - System.out.println("NPE at i=" + i); - exception = e; - throw e; - } - list.dispose(); // this initializes caching of unused instruction handles - } - } - - /** - * Concurrently run the given runnable in two threads. - */ - private void perform(final Runnable r) throws Throwable { - exception = null; - final Thread t1 = new Thread(r); - final Thread t2 = new Thread(r); - t1.start(); - t2.start(); - t1.join(); - t2.join(); - if (exception != null) { - throw exception; - } - } - - /** - * Assert that two independent instruction lists can be modified concurrently. - * Here: inserting branch instructions. - */ - @Test - public void testBranchHandle() throws Throwable { - perform(HandleTestCase::branchHandles); - } - - /** - * Assert that two independent instruction lists can be modified concurrently. - * Here: inserting regular instructions. - */ - @Test - public void testInstructionHandle() throws Throwable { - perform(HandleTestCase::handles); - } +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +package org.apache.bcel; + +import org.apache.bcel.generic.GOTO; +import org.apache.bcel.generic.ILOAD; +import org.apache.bcel.generic.InstructionHandle; +import org.apache.bcel.generic.InstructionList; +import org.apache.bcel.generic.NOP; +import org.junit.Test; + +import junit.framework.AssertionFailedError; + +/** + * Test for https://issues.apache.org/jira/browse/BCEL-267 "Race conditions on + * static fields in BranchHandle and InstructionHandle". + */ +public class HandleTestCase { + + static Throwable exception; + static final int MAXI = 100; + static final int MAXJ = 1000; + + /** + * Asserts that branch handles can be added an instruction list, without + * corrupting the list. + */ + static void branchHandles() { + for (int i = 0; i < MAXI; i++) { + final InstructionList list = new InstructionList(); + final InstructionHandle start = list.append(new NOP()); + try { + for (int j = 0; j < MAXJ; j++) { + list.append(new GOTO(start)); + } + final InstructionHandle[] instructionHandles = list.getInstructionHandles(); + for (int j = 0; j < instructionHandles.length; j++) { + final InstructionHandle handle = instructionHandles[j]; + if (j > 0) { + checkLinkage(handle, j); + if (start != ((GOTO) handle.getInstruction()).getTarget()) { + final AssertionFailedError error = new AssertionFailedError( + "unexpected instruction at index " + j); + exception = error; + throw error; + } + } + } + if (exception != null) { + return; + } + } catch (final NullPointerException e) { + System.out.println("NPE at i=" + i); + exception = e; + throw e; + } + list.dispose(); // this initializes caching of unused instruction handles + } + } + + /** + * Assert that opposite next/prev pairs always match. + */ + static void checkLinkage(final InstructionHandle ih, final int index) { + final InstructionHandle prev = ih.getPrev(); + final InstructionHandle next = ih.getNext(); + if ((prev != null && prev.getNext() != ih) || (next != null && next.getPrev() != ih)) { + final AssertionFailedError error = new AssertionFailedError("corrupt instruction list at index " + index); + exception = error; + throw error; + } + } + + /** + * Asserts that instruction handles can be added an instruction list, without + * corrupting the list. + */ + static void handles() { + for (int i = 0; i < MAXI; i++) { + final InstructionList list = new InstructionList(); + try { + for (int j = 0; j < MAXJ; j++) { + list.append(new ILOAD(j)); + } + final InstructionHandle[] instructionHandles = list.getInstructionHandles(); + for (int j = 0; j < instructionHandles.length; j++) { + final InstructionHandle handle = instructionHandles[j]; + checkLinkage(handle, j); + if (j != ((ILOAD) handle.getInstruction()).getIndex()) { + final AssertionFailedError error = new AssertionFailedError("unexpected instruction at index " + j); + exception = error; + throw error; + } + } + if (exception != null) { + return; + } + } catch (final NullPointerException e) { + System.out.println("NPE at i=" + i); + exception = e; + throw e; + } + list.dispose(); // this initializes caching of unused instruction handles + } + } + + /** + * Concurrently run the given runnable in two threads. + */ + private void perform(final Runnable r) throws Throwable { + exception = null; + final Thread t1 = new Thread(r); + final Thread t2 = new Thread(r); + t1.start(); + t2.start(); + t1.join(); + t2.join(); + if (exception != null) { + throw exception; + } + } + + /** + * Assert that two independent instruction lists can be modified concurrently. + * Here: inserting branch instructions. + */ + @Test + public void testBranchHandle() throws Throwable { + perform(HandleTestCase::branchHandles); + } + + /** + * Assert that two independent instruction lists can be modified concurrently. + * Here: inserting regular instructions. + */ + @Test + public void testInstructionHandle() throws Throwable { + perform(HandleTestCase::handles); + } } \ No newline at end of file
