Examples with FILE_COMPRESSION_INFO com.sun.jna.platform.win32.WinBase.FILE_COMPRESSION_INFO used on opensource projects

Example 1 with FILE_COMPRESSION_INFO

use of com.sun.jna.platform.win32.WinBase.FILE_COMPRESSION_INFO in project jna by java-native-access.

the class Kernel32Test method testGetFileInformationByHandleEx.

public void testGetFileInformationByHandleEx() throws IOException {
    File tmp = File.createTempFile("testGetFileInformationByHandleEx", "jna");
    tmp.deleteOnExit();
    HANDLE hFile = Kernel32.INSTANCE.CreateFile(tmp.getAbsolutePath(), WinNT.GENERIC_WRITE, WinNT.FILE_SHARE_WRITE, new WinBase.SECURITY_ATTRIBUTES(), WinNT.OPEN_EXISTING, WinNT.FILE_ATTRIBUTE_NORMAL, null);
    assertFalse(WinBase.INVALID_HANDLE_VALUE.equals(hFile));
    try {
        Memory p = new Memory(FILE_BASIC_INFO.sizeOf());
        if (false == Kernel32.INSTANCE.GetFileInformationByHandleEx(hFile, WinBase.FileBasicInfo, p, new DWORD(p.size()))) {
            fail("GetFileInformationByHandleEx failed with " + Kernel32.INSTANCE.GetLastError());
        }
        FILE_BASIC_INFO fbi = new FILE_BASIC_INFO(p);
        // New file has non-zero creation time
        assertTrue(0 != fbi.CreationTime.getValue());
        p = new Memory(FILE_STANDARD_INFO.sizeOf());
        if (false == Kernel32.INSTANCE.GetFileInformationByHandleEx(hFile, WinBase.FileStandardInfo, p, new DWORD(p.size()))) {
            fail("GetFileInformationByHandleEx failed with " + Kernel32.INSTANCE.GetLastError());
        }
        FILE_STANDARD_INFO fsi = new FILE_STANDARD_INFO(p);
        // New file has 1 link
        assertEquals(1, fsi.NumberOfLinks);
        p = new Memory(FILE_COMPRESSION_INFO.sizeOf());
        if (false == Kernel32.INSTANCE.GetFileInformationByHandleEx(hFile, WinBase.FileCompressionInfo, p, new DWORD(p.size()))) {
            fail("GetFileInformationByHandleEx failed with " + Kernel32.INSTANCE.GetLastError());
        }
        FILE_COMPRESSION_INFO fci = new FILE_COMPRESSION_INFO(p);
        // Uncompressed file should be zero
        assertEquals(0, fci.CompressionFormat);
        p = new Memory(FILE_ATTRIBUTE_TAG_INFO.sizeOf());
        if (false == Kernel32.INSTANCE.GetFileInformationByHandleEx(hFile, WinBase.FileAttributeTagInfo, p, new DWORD(p.size()))) {
            fail("GetFileInformationByHandleEx failed with " + Kernel32.INSTANCE.GetLastError());
        }
        FILE_ATTRIBUTE_TAG_INFO fati = new FILE_ATTRIBUTE_TAG_INFO(p);
        // New files have the archive bit
        assertEquals(WinNT.FILE_ATTRIBUTE_ARCHIVE, fati.FileAttributes);
        p = new Memory(FILE_ID_INFO.sizeOf());
        if (false == Kernel32.INSTANCE.GetFileInformationByHandleEx(hFile, WinBase.FileIdInfo, p, new DWORD(p.size()))) {
            fail("GetFileInformationByHandleEx failed with " + Kernel32.INSTANCE.GetLastError());
        }
        FILE_ID_INFO fii = new FILE_ID_INFO(p);
        // Volume serial number should be non-zero
        assertFalse(fii.VolumeSerialNumber == 0);
    } finally {
        Kernel32.INSTANCE.CloseHandle(hFile);
    }
}