Examples with VFileEvent com.intellij.openapi.vfs.newvfs.events.VFileEvent used on opensource projects

Example 16 with VFileEvent

use of com.intellij.openapi.vfs.newvfs.events.VFileEvent in project intellij-community by JetBrains.

the class VirtualFilePointerTest method testManyPointersUpdatePerformance.

public void testManyPointersUpdatePerformance() throws IOException {
    LoggingListener listener = new LoggingListener();
    final List<VFileEvent> events = new ArrayList<>();
    final File ioTempDir = createTempDirectory();
    final VirtualFile temp = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(ioTempDir);
    for (int i = 0; i < 100000; i++) {
        myVirtualFilePointerManager.create(VfsUtilCore.pathToUrl("/a/b/c/d/" + i), disposable, listener);
        events.add(new VFileCreateEvent(this, temp, "xxx" + i, false, true));
    }
    PlatformTestUtil.startPerformanceTest("vfp update", 10000, () -> {
        for (int i = 0; i < 100; i++) {
            // simulate VFS refresh events since launching the actual refresh is too slow
            myVirtualFilePointerManager.before(events);
            myVirtualFilePointerManager.after(events);
        }
    }).useLegacyScaling().assertTiming();
}