public void testDocumentGced() throws Exception {
VirtualFile vFile = createFile();
PsiDocumentManagerImpl documentManager = getPsiDocumentManager();
long id = System.identityHashCode(documentManager.getDocument(getPsiManager().findFile(vFile)));
documentManager.commitAllDocuments();
UIUtil.dispatchAllInvocationEvents();
UIUtil.dispatchAllInvocationEvents();
assertEmpty(documentManager.getUncommittedDocuments());
LeakHunter.checkLeak(documentManager, DocumentImpl.class);
LeakHunter.checkLeak(
documentManager,
PsiFileImpl.class,
new Processor<PsiFileImpl>() {
@Override
public boolean process(PsiFileImpl psiFile) {
return psiFile.getViewProvider().getVirtualFile().getFileSystem()
instanceof LocalFileSystem;
}
});
// Class.forName("com.intellij.util.ProfilingUtil").getDeclaredMethod("forceCaptureMemorySnapshot").invoke(null);
Reference<Document> reference = vFile.getUserData(FileDocumentManagerImpl.DOCUMENT_KEY);
assertNotNull(reference);
for (int i = 0; i < 1000; i++) {
UIUtil.dispatchAllInvocationEvents();
if (reference.get() == null) break;
System.gc();
}
assertNull(documentManager.getCachedDocument(getPsiManager().findFile(vFile)));
Document newDoc = documentManager.getDocument(getPsiManager().findFile(vFile));
assertTrue(id != System.identityHashCode(newDoc));
}
public void testRangeMarkersAreWeakReferenced_NoVerify() throws Exception {
final Document document = EditorFactory.getInstance().createDocument("[xxxxxxxxxxxxxx]");
for (int i = 0; i < 10; i++) {
document.createRangeMarker(0, document.getTextLength());
}
LeakHunter.checkLeak(document, RangeMarker.class);
}