Examples with DataStore org.apache.derby.impl.io.vfmem.DataStore used on opensource projects

Example 21 with DataStore

use of org.apache.derby.impl.io.vfmem.DataStore in project derby by apache.

the class VirtualFileTest method testListChilderen.

/**
 * Tests that {@code listChildren} doesn't include too many entries.
 */
public void testListChilderen() {
    DataStore store = getStore();
    VirtualFile dir1 = new VirtualFile(PathUtilTest.abs("mydir"), store);
    VirtualFile dir2 = new VirtualFile(PathUtilTest.abs("mydirectory"), store);
    VirtualFile file1 = new VirtualFile(PathUtilTest.joinAbs("mydir", "file1.txt"), store);
    VirtualFile file2 = new VirtualFile(PathUtilTest.joinAbs("mydirectory", "file2.txt"), store);
    assertTrue(dir1.mkdirs());
    assertTrue(dir1.exists());
    assertTrue(dir1.isDirectory());
    assertTrue(dir2.mkdirs());
    assertTrue(dir2.exists());
    assertTrue(dir2.isDirectory());
    assertTrue(file1.createNewFile());
    assertTrue(file1.exists());
    assertFalse(file1.isDirectory());
    assertTrue(file2.createNewFile());
    assertTrue(file2.exists());
    assertFalse(file2.isDirectory());
    // We should only get one child; file1.txt
    String[] children = dir1.list();
    assertEquals(1, children.length);
    assertEquals(file1.getName(), children[0]);
    // Test that the same path ending with the separator results in the
    // same list being returned.
    VirtualFile dir1abs = new VirtualFile(PathUtilTest.joinAbs("mydir", ""), store);
    assertFalse(dir1.getName().equals(dir1abs.getName()));
    String[] childrenAbs = dir1abs.list();
    assertEquals(1, childrenAbs.length);
    assertEquals(children[0], childrenAbs[0]);
    // The deleteAll below shouldn't delete "mydirectory" and "file2.txt"..
    assertFalse(dir1.delete());
    assertTrue(dir1.deleteAll());
    assertTrue(dir2.exists());
    assertTrue(file2.exists());
}