Package org.h2.test.unit

Class TestFile

  • All Implemented Interfaces:
    DataHandler
    public class TestFile
extends org.h2.test.TestBase
implements DataHandler
    Tests the in-memory file store.

    • Nested Class Summary

      • Nested classes/interfaces inherited from class org.h2.test.TestBase

        org.h2.test.TestBase.VoidCallable

    • Field Summary

      • Fields inherited from class org.h2.test.TestBase

        BASE_TEST_DIR, config, start, uniqueId

    • Constructor Summary

      Constructors 
      Constructor Description
      TestFile()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void checkPowerOff()
      Check if the simulated power failure occurred.
      void checkWritingAllowed()
      Check if writing is allowed.
      CompareMode getCompareMode()
      Return compare mode.
      java.lang.String getDatabasePath()
      Get the database path.
      SmallLRUCache<java.lang.String,​java.lang.String[]> getLobFileListCache()
      Get the lob file list cache if it is used.
      LobStorageInterface getLobStorage()
      Get the lob storage mechanism to use.
      java.lang.Object getLobSyncObject()
      Get the synchronization object for lob operations.
      int getMaxLengthInplaceLob()
      Get the maximum length of in-place large object
      TempFileDeleter getTempFileDeleter()
      Get the temp file deleter mechanism.
      static void main​(java.lang.String... a)
      Run just this test.
      FileStore openFile​(java.lang.String name, java.lang.String mode, boolean mustExist)
      Open a file at the given location.
      int readLob​(long lobId, byte[] hmac, long offset, byte[] buff, int off, int length)
      Read from a lob.
      void test()
      This method will be called by the test framework.

      • Methods inherited from class org.h2.test.TestBase

        assertContains, assertEmpty, assertEqualDatabases, assertEqualReaders, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEqualStreams, assertFalse, assertFalse, assertKnownException, assertKnownException, assertNotContaining, assertNotNull, assertNotNull, assertNull, assertResult, assertResultRowCount, assertResultSetMeta, assertResultSetOrdered, assertResultSetOrdered, assertSame, assertSingleValue, assertSmaller, assertStartsWith, assertThrows, assertThrows, assertThrows, assertThrows, assertThrows, assertThrows, assertThrows, assertThrows, assertTrue, assertTrue, checkErrorCode, crash, createCaller, createFailingStream, eatMemory, execute, execute, fail, fail, freeMemory, getBaseDir, getClassPath, getFilePassword, getJVM, getMemoryUsed, getMemoryUsedBytes, getPassword, getPassword, getPowerOffCount, getSize, getTestDir, getTestName, getUser, init, init, isEnabled, logError, logErrorMessage, println, printTime, printTimeMemory, readString, runTest, setPowerOffCount, testFromMain, throwException, trace, trace, traceMemory

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • TestFile

        public TestFile()

    • Method Detail

      • main

        public static void main​(java.lang.String... a)
                 throws java.lang.Exception
        Run just this test.
        Parameters:
        a - ignored
        Throws:
        java.lang.Exception

      • test

        public void test()
          throws java.lang.Exception
        Description copied from class: org.h2.test.TestBase
        This method will be called by the test framework.
        Specified by:
        test in class org.h2.test.TestBase
        Throws:
        java.lang.Exception - if an exception in the test occurs

      • checkPowerOff

        public void checkPowerOff()
        Description copied from interface: DataHandler
        Check if the simulated power failure occurred. This call will decrement the countdown.
        Specified by:
        checkPowerOff in interface DataHandler

      • getDatabasePath

        public java.lang.String getDatabasePath()
        Description copied from interface: DataHandler
        Get the database path.
        Specified by:
        getDatabasePath in interface DataHandler
        Returns:
        the database path

      • getLobSyncObject

        public java.lang.Object getLobSyncObject()
        Description copied from interface: DataHandler
        Get the synchronization object for lob operations.
        Specified by:
        getLobSyncObject in interface DataHandler
        Returns:
        the synchronization object

      • getMaxLengthInplaceLob

        public int getMaxLengthInplaceLob()
        Description copied from interface: DataHandler
        Get the maximum length of in-place large object
        Specified by:
        getMaxLengthInplaceLob in interface DataHandler
        Returns:
        the maximum size

      • openFile

        public FileStore openFile​(java.lang.String name,
                          java.lang.String mode,
                          boolean mustExist)
        Description copied from interface: DataHandler
        Open a file at the given location.
        Specified by:
        openFile in interface DataHandler
        Parameters:
        name - the file name
        mode - the mode
        mustExist - whether the file must already exist
        Returns:
        the file

      • getLobFileListCache

        public SmallLRUCache<java.lang.String,​java.lang.String[]> getLobFileListCache()
        Description copied from interface: DataHandler
        Get the lob file list cache if it is used.
        Specified by:
        getLobFileListCache in interface DataHandler
        Returns:
        the cache or null

      • readLob

        public int readLob​(long lobId,
                   byte[] hmac,
                   long offset,
                   byte[] buff,
                   int off,
                   int length)
        Description copied from interface: DataHandler
        Read from a lob.
        Specified by:
        readLob in interface DataHandler
        Parameters:
        lobId - the lob id
        hmac - the message authentication code
        offset - the offset within the lob
        buff - the target buffer
        off - the offset within the target buffer
        length - the number of bytes to read
        Returns:
        the number of bytes read