@NotNull
public static char[] adaptiveLoadText(@NotNull Reader reader) throws IOException {
char[] chars = new char[4096];
List<char[]> buffers = null;
int count = 0;
int total = 0;
while (true) {
int n = reader.read(chars, count, chars.length - count);
if (n <= 0) break;
count += n;
if (total > 1024 * 1024 * 10) throw new FileTooBigException("File too big " + reader);
total += n;
if (count == chars.length) {
if (buffers == null) {
buffers = new ArrayList<char[]>();
}
buffers.add(chars);
int newLength = Math.min(1024 * 1024, chars.length * 2);
chars = new char[newLength];
count = 0;
}
}
char[] result = new char[total];
if (buffers != null) {
for (char[] buffer : buffers) {
System.arraycopy(buffer, 0, result, result.length - total, buffer.length);
total -= buffer.length;
}
}
System.arraycopy(chars, 0, result, result.length - total, total);
return result;
}
@NotNull
public static byte[] adaptiveLoadBytes(@NotNull InputStream stream) throws IOException {
byte[] bytes = new byte[4096];
List<byte[]> buffers = null;
int count = 0;
int total = 0;
while (true) {
int n = stream.read(bytes, count, bytes.length - count);
if (n <= 0) break;
count += n;
if (total > 1024 * 1024 * 10) throw new FileTooBigException("File too big " + stream);
total += n;
if (count == bytes.length) {
if (buffers == null) {
buffers = new ArrayList<byte[]>();
}
buffers.add(bytes);
int newLength = Math.min(1024 * 1024, bytes.length * 2);
bytes = new byte[newLength];
count = 0;
}
}
byte[] result = new byte[total];
if (buffers != null) {
for (byte[] buffer : buffers) {
System.arraycopy(buffer, 0, result, result.length - total, buffer.length);
total -= buffer.length;
}
}
System.arraycopy(bytes, 0, result, result.length - total, total);
return result;
}
private void insertChildAt(@NotNull VirtualFileSystemEntry file, int negativeIndex) {
@NotNull VirtualFileSystemEntry[] array = myChildren;
VirtualFileSystemEntry[] appended = new VirtualFileSystemEntry[array.length + 1];
int i = -negativeIndex - 1;
System.arraycopy(array, 0, appended, 0, i);
appended[i] = file;
System.arraycopy(array, i, appended, i + 1, array.length - i);
myChildren = appended;
}
public static void importConfigsTo(@NotNull String newConfigPath) {
ConfigImportSettings settings = getConfigImportSettings();
File newConfigDir = new File(newConfigPath);
File oldConfigDir = findOldConfigDir(newConfigDir, settings.getCustomPathsSelector());
do {
ImportOldConfigsPanel dialog = new ImportOldConfigsPanel(oldConfigDir, settings);
dialog.setModalityType(Dialog.ModalityType.TOOLKIT_MODAL);
AppUIUtil.updateWindowIcon(dialog);
dialog.setVisible(true);
if (dialog.isImportEnabled()) {
File installationHome = dialog.getSelectedFile();
oldConfigDir = getOldConfigDir(installationHome, settings);
if (!validateOldConfigDir(installationHome, oldConfigDir, settings)) {
continue;
}
assert oldConfigDir != null;
doImport(newConfigDir, oldConfigDir, settings, installationHome);
settings.importFinished(newConfigPath);
System.setProperty(CONFIG_IMPORTED_IN_CURRENT_SESSION_KEY, Boolean.TRUE.toString());
}
break;
} while (true);
}
private static File getTempFile(@NotNull String originalFileName, @NotNull File parent) {
int randomSuffix = (int) (System.currentTimeMillis() % 1000);
for (int i = randomSuffix; ; i++) {
@NonNls String name = "___" + originalFileName + i + ASYNC_DELETE_EXTENSION;
File tempFile = new File(parent, name);
if (!tempFile.exists()) return tempFile;
}
}
static {
// Radar #5755208: Command line Java applications need a way to launch without a Dock icon.
System.setProperty("apple.awt.UIElement", "true");
try {
CodeInsightSettings defaultSettings = new CodeInsightSettings();
Element oldS = new Element("temp");
defaultSettings.writeExternal(oldS);
DEFAULT_SETTINGS_EXTERNALIZED = JDOMUtil.writeElement(oldS, "\n");
} catch (Exception e) {
throw new RuntimeException(e);
}
}
// null means we were unable to get roots, so do not check access
@Nullable
@TestOnly
private static Set<String> allowedRoots() {
if (insideGettingRoots) return null;
Project[] openProjects = ProjectManager.getInstance().getOpenProjects();
if (openProjects.length == 0) return null;
final Set<String> allowed = new THashSet<String>();
allowed.add(FileUtil.toSystemIndependentName(PathManager.getHomePath()));
try {
URL outUrl = Application.class.getResource("/");
String output = new File(outUrl.toURI()).getParentFile().getParentFile().getPath();
allowed.add(FileUtil.toSystemIndependentName(output));
} catch (URISyntaxException ignored) {
}
allowed.add(FileUtil.toSystemIndependentName(SystemProperties.getJavaHome()));
allowed.add(
FileUtil.toSystemIndependentName(new File(FileUtil.getTempDirectory()).getParent()));
allowed.add(FileUtil.toSystemIndependentName(System.getProperty("java.io.tmpdir")));
allowed.add(FileUtil.toSystemIndependentName(SystemProperties.getUserHome()));
for (Project project : openProjects) {
if (!project.isInitialized()) {
return null; // all is allowed
}
for (VirtualFile root : ProjectRootManager.getInstance(project).getContentRoots()) {
allowed.add(root.getPath());
}
for (VirtualFile root : getAllRoots(project)) {
allowed.add(StringUtil.trimEnd(root.getPath(), JarFileSystem.JAR_SEPARATOR));
}
String location = project.getBasePath();
assert location != null : project;
allowed.add(FileUtil.toSystemIndependentName(location));
}
allowed.addAll(ourAdditionalRoots);
return allowed;
}
/** @author max */
public class VirtualDirectoryImpl extends VirtualFileSystemEntry {
private static final Logger LOG =
Logger.getInstance("#com.intellij.openapi.vfs.newvfs.impl.VirtualDirectoryImpl");
public static boolean CHECK = ApplicationManager.getApplication().isUnitTestMode();
static final VirtualDirectoryImpl NULL_VIRTUAL_FILE =
new VirtualDirectoryImpl("*?;%NULL", null, LocalFileSystem.getInstance(), -42, 0) {
public String toString() {
return "NULL";
}
};
private final NewVirtualFileSystem myFS;
/**
* The array is logically divided into the two parts: - left subarray for storing real child files
* - right subarray for storing "adopted children" files. "Adopted children" are fake files which
* are used for storing names which were accessed via findFileByName() or similar calls. We have
* to store these unsuccessful find attempts to be able to correctly refresh in the future. See
* usages of {@link #getSuspiciousNames()} in the {@link
* com.intellij.openapi.vfs.newvfs.persistent.RefreshWorker}
*
* <p>Guarded by this, files in each subarray are sorted according to the compareNameTo()
* comparator TODO: revise the whole adopted scheme
*/
private VirtualFileSystemEntry[] myChildren = EMPTY_ARRAY;
public VirtualDirectoryImpl(
@NonNls @NotNull final String name,
@Nullable final VirtualDirectoryImpl parent,
@NotNull final NewVirtualFileSystem fs,
final int id,
@PersistentFS.Attributes final int attributes) {
super(name, parent, id, attributes);
myFS = fs;
}
@Override
@NotNull
public NewVirtualFileSystem getFileSystem() {
return myFS;
}
@Nullable
private VirtualFileSystemEntry findChild(
@NotNull String name,
final boolean doRefresh,
boolean ensureCanonicalName,
@NotNull NewVirtualFileSystem delegate) {
boolean ignoreCase = !delegate.isCaseSensitive();
Comparator comparator = getComparator(name, ignoreCase);
VirtualFileSystemEntry result = doFindChild(name, ensureCanonicalName, delegate, comparator);
if (result == NULL_VIRTUAL_FILE) {
result = doRefresh ? createAndFindChildWithEventFire(name, delegate) : null;
} else if (result != null) {
if (doRefresh && delegate.isDirectory(result) != result.isDirectory()) {
RefreshQueue.getInstance().refresh(false, false, null, result);
result = findChild(name, false, ensureCanonicalName, delegate);
}
}
if (result == null) {
addToAdoptedChildren(name, !delegate.isCaseSensitive(), comparator);
}
return result;
}
private synchronized void addToAdoptedChildren(
@NotNull final String name, final boolean ignoreCase, @NotNull Comparator comparator) {
long r = findIndexInBoth(myChildren, comparator);
int indexInReal = (int) (r >> 32);
int indexInAdopted = (int) r;
if (indexInAdopted >= 0) return; // already added
if (!allChildrenLoaded()) {
insertChildAt(new AdoptedChild(name), indexInAdopted);
}
if (indexInReal >= 0) {
// there suddenly can be that we ask to add name to adopted whereas it already contains in the
// real part
// in this case we should remove it from there
removeFromArray(indexInReal);
}
assertConsistency(myChildren, ignoreCase, name);
}
private static class AdoptedChild extends VirtualFileImpl {
private AdoptedChild(String name) {
super(name, NULL_VIRTUAL_FILE, -42, -1);
}
}
@Nullable // null if there can't be a child with this name, NULL_VIRTUAL_FILE
private synchronized VirtualFileSystemEntry doFindChildInArray(@NotNull Comparator comparator) {
VirtualFileSystemEntry[] array = myChildren;
long r = findIndexInBoth(array, comparator);
int indexInReal = (int) (r >> 32);
int indexInAdopted = (int) r;
if (indexInAdopted >= 0) return NULL_VIRTUAL_FILE;
if (indexInReal >= 0) {
return array[indexInReal];
}
return null;
}
@Nullable // null if there can't be a child with this name, NULL_VIRTUAL_FILE if cached as absent,
// the file if found
private VirtualFileSystemEntry doFindChild(
@NotNull String name,
boolean ensureCanonicalName,
@NotNull NewVirtualFileSystem delegate,
@NotNull Comparator comparator) {
if (name.isEmpty()) {
return null;
}
VirtualFileSystemEntry found = doFindChildInArray(comparator);
if (found != null) return found;
if (allChildrenLoaded()) {
return NULL_VIRTUAL_FILE;
}
if (ensureCanonicalName) {
VirtualFile fake = new FakeVirtualFile(this, name);
name = delegate.getCanonicallyCasedName(fake);
if (name.isEmpty()) return null;
}
synchronized (this) {
// maybe another doFindChild() sneaked in the middle
VirtualFileSystemEntry[] array = myChildren;
long r = findIndexInBoth(array, comparator);
int indexInReal = (int) (r >> 32);
int indexInAdopted = (int) r;
if (indexInAdopted >= 0) return NULL_VIRTUAL_FILE;
// double check
if (indexInReal >= 0) {
return array[indexInReal];
}
// do not extract getId outside the synchronized block since it will cause a concurrency
// problem.
int id = ourPersistence.getId(this, name, delegate);
if (id <= 0) {
return null;
}
String shorty = new String(name);
VirtualFileSystemEntry child =
createChild(
shorty, id, delegate); // So we don't hold whole char[] buffer of a lengthy path
VirtualFileSystemEntry[] after = myChildren;
if (after != array) {
// in tests when we call assertAccessInTests it can load a huge number of files which lead
// to children modification
// so fall back to slow path
addChild(child);
} else {
insertChildAt(child, indexInReal);
assertConsistency(myChildren, !delegate.isCaseSensitive(), name);
}
return child;
}
}
@NotNull
private static Comparator getComparator(@NotNull final String name, final boolean ignoreCase) {
return new Comparator() {
@Override
public int compareMyKeyTo(@NotNull VirtualFileSystemEntry file) {
return -file.compareNameTo(name, ignoreCase);
}
};
}
private synchronized VirtualFileSystemEntry[] getArraySafely() {
return myChildren;
}
@NotNull
public VirtualFileSystemEntry createChild(
@NotNull String name, int id, @NotNull NewVirtualFileSystem delegate) {
VirtualFileSystemEntry child;
final int attributes = ourPersistence.getFileAttributes(id);
if (PersistentFS.isDirectory(attributes)) {
child = new VirtualDirectoryImpl(name, this, delegate, id, attributes);
} else {
child = new VirtualFileImpl(name, this, id, attributes);
//noinspection TestOnlyProblems
assertAccessInTests(child, delegate);
}
if (delegate.markNewFilesAsDirty()) {
child.markDirty();
}
return child;
}
private static final boolean IS_UNDER_TEAMCITY =
System.getProperty("bootstrap.testcases") != null;
private static final boolean SHOULD_PERFORM_ACCESS_CHECK =
System.getenv("NO_FS_ROOTS_ACCESS_CHECK") == null;
private static final Collection<String> ourAdditionalRoots = new THashSet<String>();
@TestOnly
public static void allowRootAccess(@NotNull String... roots) {
for (String root : roots) {
ourAdditionalRoots.add(FileUtil.toSystemIndependentName(root));
}
}
@TestOnly
public static void disallowRootAccess(@NotNull String... roots) {
for (String root : roots) {
ourAdditionalRoots.remove(FileUtil.toSystemIndependentName(root));
}
}
@TestOnly
private static void assertAccessInTests(
@NotNull VirtualFileSystemEntry child, @NotNull NewVirtualFileSystem delegate) {
final Application application = ApplicationManager.getApplication();
if (IS_UNDER_TEAMCITY
&& SHOULD_PERFORM_ACCESS_CHECK
&& application.isUnitTestMode()
&& application instanceof ApplicationImpl
&& ((ApplicationImpl) application).isComponentsCreated()) {
if (delegate != LocalFileSystem.getInstance() && delegate != JarFileSystem.getInstance()) {
return;
}
// root' children are loaded always
if (child.getParent() == null || child.getParent().getParent() == null) return;
Set<String> allowed = allowedRoots();
boolean isUnder = allowed == null;
if (!isUnder) {
String childPath = child.getPath();
if (delegate == JarFileSystem.getInstance()) {
VirtualFile local = JarFileSystem.getInstance().getVirtualFileForJar(child);
assert local != null : child;
childPath = local.getPath();
}
for (String root : allowed) {
if (FileUtil.startsWith(childPath, root)) {
isUnder = true;
break;
}
if (root.startsWith(JarFileSystem.PROTOCOL_PREFIX)) {
String rootLocalPath =
FileUtil.toSystemIndependentName(PathUtil.toPresentableUrl(root));
isUnder = FileUtil.startsWith(childPath, rootLocalPath);
if (isUnder) break;
}
}
}
assert isUnder || allowed.isEmpty()
: "File accessed outside allowed roots: "
+ child
+ ";\nAllowed roots: "
+ new ArrayList<String>(allowed);
}
}
// null means we were unable to get roots, so do not check access
@Nullable
@TestOnly
private static Set<String> allowedRoots() {
if (insideGettingRoots) return null;
Project[] openProjects = ProjectManager.getInstance().getOpenProjects();
if (openProjects.length == 0) return null;
final Set<String> allowed = new THashSet<String>();
allowed.add(FileUtil.toSystemIndependentName(PathManager.getHomePath()));
try {
URL outUrl = Application.class.getResource("/");
String output = new File(outUrl.toURI()).getParentFile().getParentFile().getPath();
allowed.add(FileUtil.toSystemIndependentName(output));
} catch (URISyntaxException ignored) {
}
allowed.add(FileUtil.toSystemIndependentName(SystemProperties.getJavaHome()));
allowed.add(
FileUtil.toSystemIndependentName(new File(FileUtil.getTempDirectory()).getParent()));
allowed.add(FileUtil.toSystemIndependentName(System.getProperty("java.io.tmpdir")));
allowed.add(FileUtil.toSystemIndependentName(SystemProperties.getUserHome()));
for (Project project : openProjects) {
if (!project.isInitialized()) {
return null; // all is allowed
}
for (VirtualFile root : ProjectRootManager.getInstance(project).getContentRoots()) {
allowed.add(root.getPath());
}
for (VirtualFile root : getAllRoots(project)) {
allowed.add(StringUtil.trimEnd(root.getPath(), JarFileSystem.JAR_SEPARATOR));
}
String location = project.getBasePath();
assert location != null : project;
allowed.add(FileUtil.toSystemIndependentName(location));
}
allowed.addAll(ourAdditionalRoots);
return allowed;
}
private static boolean insideGettingRoots;
@TestOnly
private static VirtualFile[] getAllRoots(@NotNull Project project) {
insideGettingRoots = true;
final Set<VirtualFile> roots = new THashSet<VirtualFile>();
final OrderEnumerator enumerator = ProjectRootManager.getInstance(project).orderEntries();
ContainerUtil.addAll(roots, enumerator.getClassesRoots());
ContainerUtil.addAll(roots, enumerator.getSourceRoots());
insideGettingRoots = false;
return VfsUtilCore.toVirtualFileArray(roots);
}
@Nullable
private VirtualFileSystemEntry createAndFindChildWithEventFire(
@NotNull String name, @NotNull NewVirtualFileSystem delegate) {
final VirtualFile fake = new FakeVirtualFile(this, name);
final FileAttributes attributes = delegate.getAttributes(fake);
if (attributes == null) return null;
final String realName = delegate.getCanonicallyCasedName(fake);
final VFileCreateEvent event =
new VFileCreateEvent(null, this, realName, attributes.isDirectory(), true);
RefreshQueue.getInstance().processSingleEvent(event);
return findChild(realName);
}
@Override
@Nullable
public NewVirtualFile refreshAndFindChild(@NotNull String name) {
return findChild(name, true, true, getFileSystem());
}
private static int findIndexInOneHalf(
final VirtualFileSystemEntry[] array,
int start,
int end,
final boolean isAdopted,
@NotNull final Comparator comparator) {
return binSearch(
array,
start,
end,
new Comparator() {
@Override
public int compareMyKeyTo(@NotNull VirtualFileSystemEntry file) {
if (isAdopted && !isAdoptedChild(file)) return 1;
if (!isAdopted && isAdoptedChild(file)) return -1;
return comparator.compareMyKeyTo(file);
}
});
}
// returns two int indices packed into one long. left index is for the real file array half, right
// is for the adopted children name array
private static long findIndexInBoth(
@NotNull VirtualFileSystemEntry[] array, @NotNull Comparator comparator) {
int high = array.length - 1;
if (high == -1) {
return pack(-1, -1);
}
int low = 0;
boolean startInAdopted = isAdoptedChild(array[low]);
boolean endInAdopted = isAdoptedChild(array[high]);
if (startInAdopted == endInAdopted) {
int index = findIndexInOneHalf(array, low, high + 1, startInAdopted, comparator);
int otherIndex = startInAdopted ? -1 : -array.length - 1;
return startInAdopted ? pack(otherIndex, index) : pack(index, otherIndex);
}
boolean adopted = false;
int cmp = -1;
int mid = -1;
int foundIndex = -1;
while (low <= high) {
mid = low + high >>> 1;
VirtualFileSystemEntry file = array[mid];
cmp = comparator.compareMyKeyTo(file);
adopted = isAdoptedChild(file);
if (cmp == 0) {
foundIndex = mid;
break;
}
if ((adopted || cmp <= 0) && (!adopted || cmp >= 0)) {
int indexInAdopted = findIndexInOneHalf(array, mid + 1, high + 1, true, comparator);
int indexInReal = findIndexInOneHalf(array, low, mid, false, comparator);
return pack(indexInReal, indexInAdopted);
}
if (cmp > 0) {
low = mid + 1;
} else {
high = mid - 1;
}
}
// key not found.
if (cmp != 0) foundIndex = -low - 1;
int newStart = adopted ? low : mid + 1;
int newEnd = adopted ? mid + 1 : high + 1;
int theOtherHalfIndex =
newStart < newEnd
? findIndexInOneHalf(array, newStart, newEnd, !adopted, comparator)
: -newStart - 1;
return adopted ? pack(theOtherHalfIndex, foundIndex) : pack(foundIndex, theOtherHalfIndex);
}
private static long pack(int indexInReal, int indexInAdopted) {
return (long) indexInReal << 32 | (indexInAdopted & 0xffffffffL);
}
@Override
@Nullable
public synchronized NewVirtualFile findChildIfCached(@NotNull String name) {
final boolean ignoreCase = !getFileSystem().isCaseSensitive();
Comparator comparator = getComparator(name, ignoreCase);
VirtualFileSystemEntry found = doFindChildInArray(comparator);
return found == NULL_VIRTUAL_FILE ? null : found;
}
@Override
@NotNull
public Iterable<VirtualFile> iterInDbChildren() {
if (!ourPersistence.wereChildrenAccessed(this)) {
return Collections.emptyList();
}
if (!ourPersistence.areChildrenLoaded(this)) {
final String[] names = ourPersistence.listPersisted(this);
final NewVirtualFileSystem delegate = PersistentFS.replaceWithNativeFS(getFileSystem());
for (String name : names) {
findChild(name, false, false, delegate);
}
}
return getCachedChildren();
}
@Override
@NotNull
public synchronized VirtualFile[] getChildren() {
VirtualFileSystemEntry[] children = myChildren;
NewVirtualFileSystem delegate = getFileSystem();
final boolean ignoreCase = !delegate.isCaseSensitive();
if (allChildrenLoaded()) {
assertConsistency(children, ignoreCase);
return children;
}
final FSRecords.NameId[] childrenIds = ourPersistence.listAll(this);
VirtualFileSystemEntry[] result;
if (childrenIds.length == 0) {
result = EMPTY_ARRAY;
} else {
Arrays.sort(
childrenIds,
new java.util.Comparator<FSRecords.NameId>() {
@Override
public int compare(FSRecords.NameId o1, FSRecords.NameId o2) {
String name1 = o1.name;
String name2 = o2.name;
int cmp = compareNames(name1, name2, ignoreCase);
if (cmp == 0 && name1 != name2) {
LOG.error(
ourPersistence
+ " returned duplicate file names("
+ name1
+ ","
+ name2
+ ")"
+ " ignoreCase: "
+ ignoreCase
+ " SystemInfo.isFileSystemCaseSensitive: "
+ SystemInfo.isFileSystemCaseSensitive
+ " SystemInfo.OS: "
+ SystemInfo.OS_NAME
+ " "
+ SystemInfo.OS_VERSION
+ " in the dir: "
+ VirtualDirectoryImpl.this
+ ";"
+ " children: "
+ Arrays.toString(childrenIds));
}
return cmp;
}
});
result = new VirtualFileSystemEntry[childrenIds.length];
int delegateI = 0;
int i = 0;
int cachedEnd = getAdoptedChildrenStart();
// merge (sorted) children[0..cachedEnd) and childrenIds into the result array.
// file that is already in children array must be copied into the result as is
// for the file name that is new in childrenIds the file must be created and copied into
// result
while (delegateI < childrenIds.length) {
FSRecords.NameId nameId = childrenIds[delegateI];
while (i < cachedEnd && children[i].compareNameTo(nameId.name, ignoreCase) < 0)
i++; // skip files that are not in childrenIds
VirtualFileSystemEntry resultFile;
if (i < cachedEnd && children[i].compareNameTo(nameId.name, ignoreCase) == 0) {
resultFile = children[i++];
} else {
resultFile = createChild(nameId.name, nameId.id, delegate);
}
result[delegateI++] = resultFile;
}
assertConsistency(result, ignoreCase, children, cachedEnd, childrenIds);
}
if (getId() > 0) {
myChildren = result;
setChildrenLoaded();
}
return result;
}
private void assertConsistency(
@NotNull VirtualFileSystemEntry[] array, boolean ignoreCase, @NotNull Object... details) {
if (!CHECK) return;
boolean allChildrenLoaded = allChildrenLoaded();
for (int i = 0; i < array.length; i++) {
VirtualFileSystemEntry file = array[i];
boolean isAdopted = isAdoptedChild(file);
assert !isAdopted || !allChildrenLoaded;
if (isAdopted && i != array.length - 1) {
assert isAdoptedChild(array[i + 1]);
}
if (i != 0) {
VirtualFileSystemEntry prev = array[i - 1];
String prevName = prev.getName();
int cmp = file.compareNameTo(prevName, ignoreCase);
if (cmp == 0) {
Function<VirtualFileSystemEntry, String> verboseToString =
new Function<VirtualFileSystemEntry, String>() {
@Override
public String fun(VirtualFileSystemEntry entry) {
return entry
+ " (name: '"
+ entry.getName()
+ "', "
+ entry.getClass()
+ ", parent:"
+ entry.getParent()
+ "; id:"
+ entry.getId()
+ "; FS:"
+ entry.getFileSystem()
+ "; delegate.attrs:"
+ entry.getFileSystem().getAttributes(entry)
+ "; caseSensitive:"
+ entry.getFileSystem().isCaseSensitive()
+ "; canonical:"
+ entry.getFileSystem().getCanonicallyCasedName(entry)
+ ") ";
}
};
String children = StringUtil.join(array, verboseToString, ",");
throw new AssertionError(
verboseToString.fun(prev)
+ " equals to "
+ verboseToString.fun(file)
+ "; children: "
+ children
+ "\nDetails: "
+ ContainerUtil.map(
details,
new Function<Object, Object>() {
@Override
public Object fun(Object o) {
return o instanceof Object[] ? Arrays.toString((Object[]) o) : o;
}
}));
}
if (isAdopted == isAdoptedChild(prev)) {
assert cmp > 0 : "Not sorted. " + Arrays.toString(details);
}
}
}
}
@Override
@Nullable
public VirtualFileSystemEntry findChild(@NotNull final String name) {
return findChild(name, false, true, getFileSystem());
}
public VirtualFileSystemEntry findChildById(int id, boolean cachedOnly) {
VirtualFile[] array = getArraySafely();
VirtualFileSystemEntry result = null;
for (VirtualFile file : array) {
VirtualFileSystemEntry withId = (VirtualFileSystemEntry) file;
if (withId.getId() == id) {
result = withId;
break;
}
}
if (result != null) return result;
if (cachedOnly) return null;
String name = ourPersistence.getName(id);
return findChild(name, false, false, getFileSystem());
}
@NotNull
@Override
public byte[] contentsToByteArray() throws IOException {
throw new IOException("Cannot get content of directory: " + this);
}
public synchronized void addChild(@NotNull VirtualFileSystemEntry child) {
VirtualFileSystemEntry[] array = myChildren;
final String childName = child.getName();
final boolean ignoreCase = !getFileSystem().isCaseSensitive();
long r = findIndexInBoth(array, getComparator(childName, ignoreCase));
int indexInReal = (int) (r >> 32);
int indexInAdopted = (int) r;
if (indexInAdopted >= 0) {
// remove Adopted first
removeFromArray(indexInAdopted);
}
if (indexInReal < 0) {
insertChildAt(child, indexInReal);
}
// else already stored
assertConsistency(myChildren, ignoreCase, child);
}
private void insertChildAt(@NotNull VirtualFileSystemEntry file, int negativeIndex) {
@NotNull VirtualFileSystemEntry[] array = myChildren;
VirtualFileSystemEntry[] appended = new VirtualFileSystemEntry[array.length + 1];
int i = -negativeIndex - 1;
System.arraycopy(array, 0, appended, 0, i);
appended[i] = file;
System.arraycopy(array, i, appended, i + 1, array.length - i);
myChildren = appended;
}
public synchronized void removeChild(@NotNull VirtualFile file) {
boolean ignoreCase = !getFileSystem().isCaseSensitive();
String name = file.getName();
addToAdoptedChildren(name, ignoreCase, getComparator(name, ignoreCase));
assertConsistency(myChildren, ignoreCase, file);
}
private void removeFromArray(int index) {
myChildren =
ArrayUtil.remove(
myChildren,
index,
new ArrayFactory<VirtualFileSystemEntry>() {
@NotNull
@Override
public VirtualFileSystemEntry[] create(int count) {
return new VirtualFileSystemEntry[count];
}
});
}
public boolean allChildrenLoaded() {
return getFlagInt(CHILDREN_CACHED);
}
private void setChildrenLoaded() {
setFlagInt(CHILDREN_CACHED, true);
}
@NotNull
public synchronized List<String> getSuspiciousNames() {
List<VirtualFile> suspicious =
new SubList<VirtualFile>(myChildren, getAdoptedChildrenStart(), myChildren.length);
return ContainerUtil.map2List(
suspicious,
new Function<VirtualFile, String>() {
@Override
public String fun(VirtualFile file) {
return file.getName();
}
});
}
private int getAdoptedChildrenStart() {
int index =
binSearch(
myChildren,
0,
myChildren.length,
new Comparator() {
@Override
public int compareMyKeyTo(@NotNull VirtualFileSystemEntry v) {
return isAdoptedChild(v) ? -1 : 1;
}
});
return -index - 1;
}
private static boolean isAdoptedChild(@NotNull VirtualFileSystemEntry v) {
return v.getParent() == NULL_VIRTUAL_FILE;
}
private interface Comparator {
int compareMyKeyTo(@NotNull VirtualFileSystemEntry file);
}
private static int binSearch(
@NotNull VirtualFileSystemEntry[] array, int start, int end, @NotNull Comparator comparator) {
int low = start;
int high = end - 1;
assert low >= 0 && low <= array.length;
while (low <= high) {
int mid = low + high >>> 1;
int cmp = comparator.compareMyKeyTo(array[mid]);
if (cmp > 0) {
low = mid + 1;
} else if (cmp < 0) {
high = mid - 1;
} else {
return mid; // key found
}
}
return -(low + 1); // key not found.
}
@Override
public boolean isDirectory() {
return true;
}
@Override
@NotNull
public synchronized List<VirtualFile> getCachedChildren() {
return new SubList<VirtualFile>(myChildren, 0, getAdoptedChildrenStart());
}
@Override
public InputStream getInputStream() throws IOException {
throw new IOException("getInputStream() must not be called against a directory: " + getUrl());
}
@Override
@NotNull
public OutputStream getOutputStream(
final Object requestor, final long newModificationStamp, final long newTimeStamp)
throws IOException {
throw new IOException("getOutputStream() must not be called against a directory: " + getUrl());
}
@Override
public void markDirtyRecursively() {
markDirty();
markDirtyRecursivelyInternal();
}
// optimisation: do not travel up unnecessary
private void markDirtyRecursivelyInternal() {
for (VirtualFileSystemEntry child : getArraySafely()) {
if (isAdoptedChild(child)) break;
child.markDirtyInternal();
if (child instanceof VirtualDirectoryImpl) {
((VirtualDirectoryImpl) child).markDirtyRecursivelyInternal();
}
}
}
}
/** @author peter */
@SuppressWarnings("UseOfSystemOutOrSystemErr")
public abstract class UsefulTestCase extends TestCase {
public static final boolean IS_UNDER_TEAMCITY = System.getenv("TEAMCITY_VERSION") != null;
public static final String IDEA_MARKER_CLASS =
"com.intellij.openapi.components.impl.stores.IdeaProjectStoreImpl";
public static final String TEMP_DIR_MARKER = "unitTest_";
protected static boolean OVERWRITE_TESTDATA = false;
private static final String DEFAULT_SETTINGS_EXTERNALIZED;
private static final Random RNG = new SecureRandom();
private static final String ORIGINAL_TEMP_DIR = FileUtil.getTempDirectory();
protected final Disposable myTestRootDisposable =
new Disposable() {
@Override
public void dispose() {}
@Override
public String toString() {
String testName = getTestName(false);
return UsefulTestCase.this.getClass()
+ (StringUtil.isEmpty(testName) ? "" : ".test" + testName);
}
};
protected static String ourPathToKeep = null;
private CodeStyleSettings myOldCodeStyleSettings;
private String myTempDir;
protected static final Key<String> CREATION_PLACE = Key.create("CREATION_PLACE");
static {
// Radar #5755208: Command line Java applications need a way to launch without a Dock icon.
System.setProperty("apple.awt.UIElement", "true");
try {
CodeInsightSettings defaultSettings = new CodeInsightSettings();
Element oldS = new Element("temp");
defaultSettings.writeExternal(oldS);
DEFAULT_SETTINGS_EXTERNALIZED = JDOMUtil.writeElement(oldS, "\n");
} catch (Exception e) {
throw new RuntimeException(e);
}
}
protected boolean shouldContainTempFiles() {
return true;
}
@Override
protected void setUp() throws Exception {
super.setUp();
if (shouldContainTempFiles()) {
String testName = getTestName(true);
if (StringUtil.isEmptyOrSpaces(testName)) testName = "";
testName = new File(testName).getName(); // in case the test name contains file separators
myTempDir =
FileUtil.toSystemDependentName(
ORIGINAL_TEMP_DIR + "/" + TEMP_DIR_MARKER + testName + "_" + RNG.nextInt(1000));
FileUtil.resetCanonicalTempPathCache(myTempDir);
}
//noinspection AssignmentToStaticFieldFromInstanceMethod
DocumentImpl.CHECK_DOCUMENT_CONSISTENCY = !isPerformanceTest();
}
@Override
protected void tearDown() throws Exception {
try {
Disposer.dispose(myTestRootDisposable);
cleanupSwingDataStructures();
cleanupDeleteOnExitHookList();
} finally {
if (shouldContainTempFiles()) {
FileUtil.resetCanonicalTempPathCache(ORIGINAL_TEMP_DIR);
if (ourPathToKeep != null && FileUtil.isAncestor(myTempDir, ourPathToKeep, false)) {
File[] files = new File(myTempDir).listFiles();
if (files != null) {
for (File file : files) {
if (!FileUtil.pathsEqual(file.getPath(), ourPathToKeep)) {
FileUtil.delete(file);
}
}
}
} else {
FileUtil.delete(new File(myTempDir));
}
}
}
UIUtil.removeLeakingAppleListeners();
super.tearDown();
}
private static final Set<String> DELETE_ON_EXIT_HOOK_DOT_FILES;
private static final Class DELETE_ON_EXIT_HOOK_CLASS;
static {
Class<?> aClass = null;
Set<String> files = null;
try {
aClass = Class.forName("java.io.DeleteOnExitHook");
files = ReflectionUtil.getField(aClass, null, Set.class, "files");
} catch (Exception ignored) {
}
DELETE_ON_EXIT_HOOK_CLASS = aClass;
DELETE_ON_EXIT_HOOK_DOT_FILES = files;
}
public static void cleanupDeleteOnExitHookList()
throws ClassNotFoundException, NoSuchFieldException, IllegalAccessException {
// try to reduce file set retained by java.io.DeleteOnExitHook
List<String> list;
synchronized (DELETE_ON_EXIT_HOOK_CLASS) {
if (DELETE_ON_EXIT_HOOK_DOT_FILES.isEmpty()) return;
list = new ArrayList<String>(DELETE_ON_EXIT_HOOK_DOT_FILES);
}
for (int i = list.size() - 1; i >= 0; i--) {
String path = list.get(i);
if (FileSystemUtil.getAttributes(path) == null || new File(path).delete()) {
synchronized (DELETE_ON_EXIT_HOOK_CLASS) {
DELETE_ON_EXIT_HOOK_DOT_FILES.remove(path);
}
}
}
}
private static void cleanupSwingDataStructures() throws Exception {
Class<?> aClass = Class.forName("javax.swing.KeyboardManager");
Method get = aClass.getMethod("getCurrentManager");
get.setAccessible(true);
Object manager = get.invoke(null);
{
Field mapF = aClass.getDeclaredField("componentKeyStrokeMap");
mapF.setAccessible(true);
Object map = mapF.get(manager);
((Map) map).clear();
}
{
Field mapF = aClass.getDeclaredField("containerMap");
mapF.setAccessible(true);
Object map = mapF.get(manager);
((Map) map).clear();
}
}
protected CompositeException checkForSettingsDamage() throws Exception {
Application app = ApplicationManager.getApplication();
if (isPerformanceTest() || app == null || app instanceof MockApplication) {
return new CompositeException();
}
CodeStyleSettings oldCodeStyleSettings = myOldCodeStyleSettings;
myOldCodeStyleSettings = null;
return doCheckForSettingsDamage(oldCodeStyleSettings, getCurrentCodeStyleSettings());
}
public static CompositeException doCheckForSettingsDamage(
@NotNull CodeStyleSettings oldCodeStyleSettings,
@NotNull CodeStyleSettings currentCodeStyleSettings)
throws Exception {
CompositeException result = new CompositeException();
final CodeInsightSettings settings = CodeInsightSettings.getInstance();
try {
Element newS = new Element("temp");
settings.writeExternal(newS);
Assert.assertEquals(
"Code insight settings damaged",
DEFAULT_SETTINGS_EXTERNALIZED,
JDOMUtil.writeElement(newS, "\n"));
} catch (AssertionError error) {
CodeInsightSettings clean = new CodeInsightSettings();
Element temp = new Element("temp");
clean.writeExternal(temp);
settings.loadState(temp);
result.add(error);
}
currentCodeStyleSettings.getIndentOptions(StdFileTypes.JAVA);
try {
checkSettingsEqual(
oldCodeStyleSettings, currentCodeStyleSettings, "Code style settings damaged");
} catch (AssertionError e) {
result.add(e);
} finally {
currentCodeStyleSettings.clearCodeStyleSettings();
}
try {
InplaceRefactoring.checkCleared();
} catch (AssertionError e) {
result.add(e);
}
try {
StartMarkAction.checkCleared();
} catch (AssertionError e) {
result.add(e);
}
return result;
}
protected void storeSettings() {
if (!isPerformanceTest() && ApplicationManager.getApplication() != null) {
myOldCodeStyleSettings = getCurrentCodeStyleSettings().clone();
myOldCodeStyleSettings.getIndentOptions(StdFileTypes.JAVA);
}
}
protected CodeStyleSettings getCurrentCodeStyleSettings() {
if (CodeStyleSchemes.getInstance().getCurrentScheme() == null) return new CodeStyleSettings();
return CodeStyleSettingsManager.getInstance().getCurrentSettings();
}
public Disposable getTestRootDisposable() {
return myTestRootDisposable;
}
@Override
protected void runTest() throws Throwable {
final Throwable[] throwables = new Throwable[1];
Runnable runnable =
new Runnable() {
@Override
public void run() {
try {
UsefulTestCase.super.runTest();
} catch (InvocationTargetException e) {
e.fillInStackTrace();
throwables[0] = e.getTargetException();
} catch (IllegalAccessException e) {
e.fillInStackTrace();
throwables[0] = e;
} catch (Throwable e) {
throwables[0] = e;
}
}
};
invokeTestRunnable(runnable);
if (throwables[0] != null) {
throw throwables[0];
}
}
protected boolean shouldRunTest() {
return PlatformTestUtil.canRunTest(getClass());
}
public static void edt(Runnable r) {
UIUtil.invokeAndWaitIfNeeded(r);
}
protected void invokeTestRunnable(@NotNull Runnable runnable) throws Exception {
UIUtil.invokeAndWaitIfNeeded(runnable);
// runnable.run();
}
protected void defaultRunBare() throws Throwable {
super.runBare();
}
@Override
public void runBare() throws Throwable {
if (!shouldRunTest()) return;
if (runInDispatchThread()) {
final Throwable[] exception = {null};
UIUtil.invokeAndWaitIfNeeded(
new Runnable() {
@Override
public void run() {
try {
defaultRunBare();
} catch (Throwable tearingDown) {
if (exception[0] == null) exception[0] = tearingDown;
}
}
});
if (exception[0] != null) throw exception[0];
} else {
defaultRunBare();
}
}
protected boolean runInDispatchThread() {
return true;
}
@NonNls
public static String toString(Iterable<?> collection) {
if (!collection.iterator().hasNext()) {
return "<empty>";
}
final StringBuilder builder = new StringBuilder();
for (final Object o : collection) {
if (o instanceof THashSet) {
builder.append(new TreeSet<Object>((THashSet) o));
} else {
builder.append(o);
}
builder.append("\n");
}
return builder.toString();
}
public static <T> void assertOrderedEquals(T[] actual, T... expected) {
assertOrderedEquals(Arrays.asList(actual), expected);
}
public static <T> void assertOrderedEquals(Iterable<T> actual, T... expected) {
assertOrderedEquals(null, actual, expected);
}
public static void assertOrderedEquals(@NotNull byte[] actual, @NotNull byte[] expected) {
assertEquals(actual.length, expected.length);
for (int i = 0; i < actual.length; i++) {
byte a = actual[i];
byte e = expected[i];
assertEquals("not equals at index: " + i, e, a);
}
}
public static <T> void assertOrderedEquals(
final String errorMsg, @NotNull Iterable<T> actual, @NotNull T... expected) {
Assert.assertNotNull(actual);
Assert.assertNotNull(expected);
assertOrderedEquals(errorMsg, actual, Arrays.asList(expected));
}
public static <T> void assertOrderedEquals(
final Iterable<? extends T> actual, final Collection<? extends T> expected) {
assertOrderedEquals(null, actual, expected);
}
public static <T> void assertOrderedEquals(
final String erroMsg,
final Iterable<? extends T> actual,
final Collection<? extends T> expected) {
ArrayList<T> list = new ArrayList<T>();
for (T t : actual) {
list.add(t);
}
if (!list.equals(new ArrayList<T>(expected))) {
String expectedString = toString(expected);
String actualString = toString(actual);
Assert.assertEquals(erroMsg, expectedString, actualString);
Assert.fail(
"Warning! 'toString' does not reflect the difference.\nExpected: "
+ expectedString
+ "\nActual: "
+ actualString);
}
}
public static <T> void assertOrderedCollection(T[] collection, @NotNull Consumer<T>... checkers) {
Assert.assertNotNull(collection);
assertOrderedCollection(Arrays.asList(collection), checkers);
}
public static <T> void assertSameElements(T[] collection, T... expected) {
assertSameElements(Arrays.asList(collection), expected);
}
public static <T> void assertSameElements(Collection<? extends T> collection, T... expected) {
assertSameElements(collection, Arrays.asList(expected));
}
public static <T> void assertSameElements(
Collection<? extends T> collection, Collection<T> expected) {
assertSameElements(null, collection, expected);
}
public static <T> void assertSameElements(
String message, Collection<? extends T> collection, Collection<T> expected) {
assertNotNull(collection);
assertNotNull(expected);
if (collection.size() != expected.size()
|| !new HashSet<T>(expected).equals(new HashSet<T>(collection))) {
Assert.assertEquals(message, toString(expected, "\n"), toString(collection, "\n"));
Assert.assertEquals(message, new HashSet<T>(expected), new HashSet<T>(collection));
}
}
public <T> void assertContainsOrdered(Collection<? extends T> collection, T... expected) {
assertContainsOrdered(collection, Arrays.asList(expected));
}
public <T> void assertContainsOrdered(
Collection<? extends T> collection, Collection<T> expected) {
ArrayList<T> copy = new ArrayList<T>(collection);
copy.retainAll(expected);
assertOrderedEquals(toString(collection), copy, expected);
}
public <T> void assertContainsElements(Collection<? extends T> collection, T... expected) {
assertContainsElements(collection, Arrays.asList(expected));
}
public <T> void assertContainsElements(
Collection<? extends T> collection, Collection<T> expected) {
ArrayList<T> copy = new ArrayList<T>(collection);
copy.retainAll(expected);
assertSameElements(toString(collection), copy, expected);
}
public static String toString(Object[] collection, String separator) {
return toString(Arrays.asList(collection), separator);
}
public <T> void assertDoesntContain(Collection<? extends T> collection, T... notExpected) {
assertDoesntContain(collection, Arrays.asList(notExpected));
}
public <T> void assertDoesntContain(
Collection<? extends T> collection, Collection<T> notExpected) {
ArrayList<T> expected = new ArrayList<T>(collection);
expected.removeAll(notExpected);
assertSameElements(collection, expected);
}
public static String toString(Collection<?> collection, String separator) {
List<String> list =
ContainerUtil.map2List(
collection,
new Function<Object, String>() {
@Override
public String fun(final Object o) {
return String.valueOf(o);
}
});
Collections.sort(list);
StringBuilder builder = new StringBuilder();
boolean flag = false;
for (final String o : list) {
if (flag) {
builder.append(separator);
}
builder.append(o);
flag = true;
}
return builder.toString();
}
public static <T> void assertOrderedCollection(
Collection<? extends T> collection, Consumer<T>... checkers) {
Assert.assertNotNull(collection);
if (collection.size() != checkers.length) {
Assert.fail(toString(collection));
}
int i = 0;
for (final T actual : collection) {
try {
checkers[i].consume(actual);
} catch (AssertionFailedError e) {
System.out.println(i + ": " + actual);
throw e;
}
i++;
}
}
public static <T> void assertUnorderedCollection(T[] collection, Consumer<T>... checkers) {
assertUnorderedCollection(Arrays.asList(collection), checkers);
}
public static <T> void assertUnorderedCollection(
Collection<? extends T> collection, Consumer<T>... checkers) {
Assert.assertNotNull(collection);
if (collection.size() != checkers.length) {
Assert.fail(toString(collection));
}
Set<Consumer<T>> checkerSet = new HashSet<Consumer<T>>(Arrays.asList(checkers));
int i = 0;
Throwable lastError = null;
for (final T actual : collection) {
boolean flag = true;
for (final Consumer<T> condition : checkerSet) {
Throwable error = accepts(condition, actual);
if (error == null) {
checkerSet.remove(condition);
flag = false;
break;
} else {
lastError = error;
}
}
if (flag) {
lastError.printStackTrace();
Assert.fail("Incorrect element(" + i + "): " + actual);
}
i++;
}
}
private static <T> Throwable accepts(final Consumer<T> condition, final T actual) {
try {
condition.consume(actual);
return null;
} catch (Throwable e) {
return e;
}
}
public static <T> T assertInstanceOf(Object o, Class<T> aClass) {
Assert.assertNotNull("Expected instance of: " + aClass.getName() + " actual: " + null, o);
Assert.assertTrue(
"Expected instance of: " + aClass.getName() + " actual: " + o.getClass().getName(),
aClass.isInstance(o));
@SuppressWarnings("unchecked")
T t = (T) o;
return t;
}
public static <T> T assertOneElement(Collection<T> collection) {
Assert.assertNotNull(collection);
Assert.assertEquals(toString(collection), 1, collection.size());
return collection.iterator().next();
}
public static <T> T assertOneElement(T[] ts) {
Assert.assertNotNull(ts);
Assert.assertEquals(Arrays.asList(ts).toString(), 1, ts.length);
return ts[0];
}
public static <T> void assertOneOf(T value, T... values) {
boolean found = false;
for (T v : values) {
if (value == v || value != null && value.equals(v)) {
found = true;
}
}
Assert.assertTrue(value + " should be equal to one of " + Arrays.toString(values), found);
}
public static void printThreadDump() {
PerformanceWatcher.dumpThreadsToConsole("Thread dump:");
}
public static void assertEmpty(final Object[] array) {
assertOrderedEquals(array);
}
public static void assertNotEmpty(final Collection<?> collection) {
if (collection == null) return;
assertTrue(!collection.isEmpty());
}
public static void assertEmpty(final Collection<?> collection) {
assertEmpty(collection.toString(), collection);
}
public static void assertNullOrEmpty(final Collection<?> collection) {
if (collection == null) return;
assertEmpty(null, collection);
}
public static void assertEmpty(final String s) {
assertTrue(s, StringUtil.isEmpty(s));
}
public static <T> void assertEmpty(final String errorMsg, final Collection<T> collection) {
assertOrderedEquals(errorMsg, collection);
}
public static void assertSize(int expectedSize, final Object[] array) {
assertEquals(toString(Arrays.asList(array)), expectedSize, array.length);
}
public static void assertSize(int expectedSize, final Collection<?> c) {
assertEquals(toString(c), expectedSize, c.size());
}
protected <T extends Disposable> T disposeOnTearDown(final T disposable) {
Disposer.register(myTestRootDisposable, disposable);
return disposable;
}
public static void assertSameLines(String expected, String actual) {
String expectedText = StringUtil.convertLineSeparators(expected.trim());
String actualText = StringUtil.convertLineSeparators(actual.trim());
Assert.assertEquals(expectedText, actualText);
}
public static void assertExists(File file) {
assertTrue("File should exist " + file, file.exists());
}
public static void assertDoesntExist(File file) {
assertFalse("File should not exist " + file, file.exists());
}
protected String getTestName(boolean lowercaseFirstLetter) {
String name = getName();
return getTestName(name, lowercaseFirstLetter);
}
public static String getTestName(String name, boolean lowercaseFirstLetter) {
if (name == null) {
return "";
}
name = StringUtil.trimStart(name, "test");
if (StringUtil.isEmpty(name)) {
return "";
}
return lowercaseFirstLetter(name, lowercaseFirstLetter);
}
public static String lowercaseFirstLetter(String name, boolean lowercaseFirstLetter) {
if (lowercaseFirstLetter && !isAllUppercaseName(name)) {
name = Character.toLowerCase(name.charAt(0)) + name.substring(1);
}
return name;
}
public static boolean isAllUppercaseName(String name) {
int uppercaseChars = 0;
for (int i = 0; i < name.length(); i++) {
if (Character.isLowerCase(name.charAt(i))) {
return false;
}
if (Character.isUpperCase(name.charAt(i))) {
uppercaseChars++;
}
}
return uppercaseChars >= 3;
}
protected String getTestDirectoryName() {
final String testName = getTestName(true);
return testName.replaceAll("_.*", "");
}
protected static void assertSameLinesWithFile(String filePath, String actualText) {
String fileText;
try {
if (OVERWRITE_TESTDATA) {
VfsTestUtil.overwriteTestData(filePath, actualText);
System.out.println("File " + filePath + " created.");
}
fileText = FileUtil.loadFile(new File(filePath), CharsetToolkit.UTF8);
} catch (FileNotFoundException e) {
VfsTestUtil.overwriteTestData(filePath, actualText);
throw new AssertionFailedError("No output text found. File " + filePath + " created.");
} catch (IOException e) {
throw new RuntimeException(e);
}
String expected = StringUtil.convertLineSeparators(fileText.trim());
String actual = StringUtil.convertLineSeparators(actualText.trim());
if (!Comparing.equal(expected, actual)) {
throw new FileComparisonFailure(null, expected, actual, filePath);
}
}
public static void clearFields(final Object test) throws IllegalAccessException {
Class aClass = test.getClass();
while (aClass != null) {
clearDeclaredFields(test, aClass);
aClass = aClass.getSuperclass();
}
}
public static void clearDeclaredFields(Object test, Class aClass) throws IllegalAccessException {
if (aClass == null) return;
for (final Field field : aClass.getDeclaredFields()) {
@NonNls final String name = field.getDeclaringClass().getName();
if (!name.startsWith("junit.framework.") && !name.startsWith("com.intellij.testFramework.")) {
final int modifiers = field.getModifiers();
if ((modifiers & Modifier.FINAL) == 0
&& (modifiers & Modifier.STATIC) == 0
&& !field.getType().isPrimitive()) {
field.setAccessible(true);
field.set(test, null);
}
}
}
}
@SuppressWarnings("deprecation")
protected static void checkSettingsEqual(
JDOMExternalizable expected, JDOMExternalizable settings, String message) throws Exception {
if (expected == null || settings == null) return;
Element oldS = new Element("temp");
expected.writeExternal(oldS);
Element newS = new Element("temp");
settings.writeExternal(newS);
String newString = JDOMUtil.writeElement(newS, "\n");
String oldString = JDOMUtil.writeElement(oldS, "\n");
Assert.assertEquals(message, oldString, newString);
}
public boolean isPerformanceTest() {
String name = getName();
return name != null && name.contains("Performance")
|| getClass().getName().contains("Performance");
}
public static void doPostponedFormatting(final Project project) {
DocumentUtil.writeInRunUndoTransparentAction(
new Runnable() {
@Override
public void run() {
PsiDocumentManager.getInstance(project).commitAllDocuments();
PostprocessReformattingAspect.getInstance(project).doPostponedFormatting();
}
});
}
protected static void checkAllTimersAreDisposed() {
try {
Class<?> aClass = Class.forName("javax.swing.TimerQueue");
Method inst = aClass.getDeclaredMethod("sharedInstance");
inst.setAccessible(true);
Object queue = inst.invoke(null);
Field field = aClass.getDeclaredField("firstTimer");
field.setAccessible(true);
Object firstTimer = field.get(queue);
if (firstTimer != null) {
try {
fail("Not disposed Timer: " + firstTimer.toString() + "; queue:" + queue);
} finally {
field.set(queue, null);
}
}
} catch (Throwable e) {
// Ignore
}
}
/**
* Checks that code block throw corresponding exception.
*
* @param exceptionCase Block annotated with some exception type
* @throws Throwable
*/
protected void assertException(final AbstractExceptionCase exceptionCase) throws Throwable {
assertException(exceptionCase, null);
}
/**
* Checks that code block throw corresponding exception with expected error msg. If expected error
* message is null it will not be checked.
*
* @param exceptionCase Block annotated with some exception type
* @param expectedErrorMsg expected error messge
* @throws Throwable
*/
protected void assertException(
final AbstractExceptionCase exceptionCase, @Nullable final String expectedErrorMsg)
throws Throwable {
assertExceptionOccurred(true, exceptionCase, expectedErrorMsg);
}
/**
* Checks that code block doesn't throw corresponding exception.
*
* @param exceptionCase Block annotated with some exception type
* @throws Throwable
*/
protected void assertNoException(final AbstractExceptionCase exceptionCase) throws Throwable {
assertExceptionOccurred(false, exceptionCase, null);
}
protected void assertNoThrowable(final Runnable closure) {
String throwableName = null;
try {
closure.run();
} catch (Throwable thr) {
throwableName = thr.getClass().getName();
}
assertNull(throwableName);
}
private static void assertExceptionOccurred(
boolean shouldOccur, AbstractExceptionCase exceptionCase, String expectedErrorMsg)
throws Throwable {
boolean wasThrown = false;
try {
exceptionCase.tryClosure();
} catch (Throwable e) {
if (shouldOccur) {
wasThrown = true;
final String errorMessage = exceptionCase.getAssertionErrorMessage();
assertEquals(errorMessage, exceptionCase.getExpectedExceptionClass(), e.getClass());
if (expectedErrorMsg != null) {
assertEquals("Compare error messages", expectedErrorMsg, e.getMessage());
}
} else if (exceptionCase.getExpectedExceptionClass().equals(e.getClass())) {
wasThrown = true;
System.out.println("");
e.printStackTrace(System.out);
fail("Exception isn't expected here. Exception message: " + e.getMessage());
} else {
throw e;
}
} finally {
if (shouldOccur && !wasThrown) {
fail(exceptionCase.getAssertionErrorMessage());
}
}
}
protected boolean annotatedWith(@NotNull Class annotationClass) {
Class<?> aClass = getClass();
String methodName = "test" + getTestName(false);
boolean methodChecked = false;
while (aClass != null && aClass != Object.class) {
if (aClass.getAnnotation(annotationClass) != null) return true;
if (!methodChecked) {
try {
Method method = aClass.getDeclaredMethod(methodName);
if (method.getAnnotation(annotationClass) != null) return true;
methodChecked = true;
} catch (NoSuchMethodException ignored) {
}
}
aClass = aClass.getSuperclass();
}
return false;
}
protected String getHomePath() {
return PathManager.getHomePath().replace(File.separatorChar, '/');
}
protected static boolean isInHeadlessEnvironment() {
return GraphicsEnvironment.isHeadless();
}
public static void refreshRecursively(@NotNull VirtualFile file) {
VfsUtilCore.visitChildrenRecursively(
file,
new VirtualFileVisitor() {
@Override
public boolean visitFile(@NotNull VirtualFile file) {
file.getChildren();
return true;
}
});
file.refresh(false, true);
}
@NotNull
public static Test filteredSuite(@RegExp String regexp, @NotNull Test test) {
final Pattern pattern = Pattern.compile(regexp);
final TestSuite testSuite = new TestSuite();
new Processor<Test>() {
@Override
public boolean process(Test test) {
if (test instanceof TestSuite) {
for (int i = 0, len = ((TestSuite) test).testCount(); i < len; i++) {
process(((TestSuite) test).testAt(i));
}
} else if (pattern.matcher(test.toString()).find()) {
testSuite.addTest(test);
}
return false;
}
}.process(test);
return testSuite;
}
}
