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Code Issues Wiki Activity

Improved test for bug 196118, by James Blackburn

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This commit is contained in:
Anton Leherbauer 2008-10-03 09:11:27 +00:00
parent c47ff4d34f
commit ae9cb76e8f
1 changed files with 39 additions and 14 deletions
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53
core/org.eclipse.cdt.core.tests/misc/org/eclipse/cdt/core/cdescriptor/tests/CDescriptorTests.java
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@ -27,6 +27,7 @@ import org.eclipse.cdt.core.ICDescriptorOperation;
import org.eclipse.cdt.core.ICExtensionReference;
import org.eclipse.cdt.core.ICOwnerInfo;
import org.eclipse.cdt.core.testplugin.CTestPlugin;
import org.eclipse.cdt.internal.core.CConfigBasedDescriptor;
import org.eclipse.cdt.internal.core.pdom.PDOMManager;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
@ -36,6 +37,7 @@ import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
/**
@ -77,10 +79,12 @@ public class CDescriptorTests extends TestCase {
TestSetup wrapper = new TestSetup(suite) {
@Override
protected void setUp() throws Exception {
oneTimeSetUp();
}
@Override
protected void tearDown() throws Exception {
oneTimeTearDown();
}
@ -157,6 +161,7 @@ public class CDescriptorTests extends TestCase {
fProject.close(null);
fProject.open(null);
Thread t= new Thread() {
@Override
public void run() {
try {
CCorePlugin.getDefault().getCProjectDescription(fProject, true);
@ -178,44 +183,48 @@ public class CDescriptorTests extends TestCase {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=193503
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=196118
public void testConcurrentDescriptorCreation2() throws Exception {
for (int i=0; i<20; ++i) {
int numElements = 0;
for (int i=0; i<200; ++i) {
final int indexi = i;
PDOMManager pdomMgr= (PDOMManager)CCorePlugin.getIndexManager();
pdomMgr.shutdown();
fProject.close(null);
fProject.open(null);
pdomMgr.startup().schedule();
ICDescriptor desc= CCorePlugin.getDefault().getCProjectDescription(fProject, true);
NodeList childNodes= desc.getProjectData("testElement").getChildNodes();
int lengthBefore= childNodes.getLength();
int lengthBefore= countChildElements(desc.getProjectData("testElement"));
final Throwable[] exception= new Throwable[10];
Thread[] threads= new Thread[10];
for (int j = 0; j < 10; j++) {
final int index= j;
final int indexj = j;
Thread t= new Thread() {
@Override
public void run() {
try {
ICDescriptorOperation operation= new ICDescriptorOperation() {
public void execute(ICDescriptor descriptor, IProgressMonitor monitor) throws CoreException {
assertFalse(descriptor.getConfigurationDescription().isReadOnly());
try {
Thread.sleep(10);
} catch (InterruptedException exc) {
}
Element data = descriptor.getProjectData("testElement");
data.appendChild(data.getOwnerDocument().createElement("test"));
String test = "test"+(indexi*10 + indexj);
data.appendChild(data.getOwnerDocument().createElement(test));
assertFalse(descriptor.getConfigurationDescription().isReadOnly());
// BUG196118 the model cached in memory doesn't reflect the contents of .cproject
//
// descriptor.saveProjectData() doesn't actually save despite what the API says
// see CConfigBasedDescriptor.fApplyOnChange
descriptor.saveProjectData();
((CConfigBasedDescriptor)descriptor).apply(false);
// System.out.println("Saved " + test);
}};
CCorePlugin.getDefault().getCDescriptorManager().runDescriptorOperation(fProject, operation, null);
} catch (Throwable exc) {
exception[index]= exc;
exception[indexj]= exc;
exc.printStackTrace();
}
}
};
t.start();
threads[j] = t;
Thread.sleep(10);
}
for (int j = 0; j < threads.length; j++) {
if (threads[j] != null) {
@ -224,19 +233,35 @@ public class CDescriptorTests extends TestCase {
assertNull(exception[j]);
}
desc= CCorePlugin.getDefault().getCProjectDescription(fProject, true);
childNodes= desc.getProjectData("testElement").getChildNodes();
int lengthAfter= childNodes.getLength();
assertEquals(threads.length, lengthAfter - lengthBefore);
int lengthAfter = countChildElements(desc.getProjectData("testElement"));
assertEquals("Iteration count: " + i, threads.length, lengthAfter - lengthBefore);
fLastEvent = null;
}
}
/**
* Count the number of Node.ELEMENT_NODE elements which are a
* direct descendent of the parent Element.
* Other nodes (e.g. Text) are ignored
* @param parent
* @return
*/
private int countChildElements(Element parent) {
int numElements = 0;
NodeList childNodes = parent.getChildNodes();
for (int k = 0 ; k < childNodes.getLength() ; k++)
if (childNodes.item(k).getNodeType() == Node.ELEMENT_NODE)
numElements ++;
return numElements;
}
public void testDeadlockDuringProjectCreation() throws Exception {
for (int i=0; i < 10; ++i) {
oneTimeTearDown();
oneTimeSetUp();
Thread t= new Thread() {
@Override
public void run() {
try {
ICDescriptor desc = CCorePlugin.getDefault().getCProjectDescription(fProject, true);