Package org.h2.test.unit

Class TestValueMemory

java.lang.Object
org.h2.test.TestBase
org.h2.test.unit.TestValueMemory
All Implemented Interfaces:
DataHandler
public class TestValueMemory extends org.h2.test.TestBase implements DataHandler
Tests the memory consumption of values. Values can estimate how much memory they occupy, and this tests if this estimation is correct.

  • 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
    TestValueMemory()
     

  • Method Summary

    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.
    String
    getDatabasePath()
    Get the database path.
    SmallLRUCache<String,String[]>
    getLobFileListCache()
    Get the lob file list cache if it is used.
    LobStorageInterface
    getLobStorage()
    Get the lob storage mechanism to use.
    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(String... a)
    Run just this test.
    FileStore
    openFile(String name, 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 Details

    • TestValueMemory

      public TestValueMemory()

  • Method Details

    • main

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

    • test

      public void test() throws SQLException
      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:
      SQLException

    • 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

    • checkWritingAllowed

      public void checkWritingAllowed()
      Description copied from interface: DataHandler
      Check if writing is allowed.
      Specified by:
      checkWritingAllowed in interface DataHandler

    • getDatabasePath

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

    • getLobSyncObject

      public 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(String name, 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<String,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

    • getTempFileDeleter

      public TempFileDeleter getTempFileDeleter()
      Description copied from interface: DataHandler
      Get the temp file deleter mechanism.
      Specified by:
      getTempFileDeleter in interface DataHandler
      Returns:
      the temp file deleter

    • getLobStorage

      public LobStorageInterface getLobStorage()
      Description copied from interface: DataHandler
      Get the lob storage mechanism to use.
      Specified by:
      getLobStorage in interface DataHandler
      Returns:
      the lob storage mechanism

    • 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

    • getCompareMode

      public CompareMode getCompareMode()
      Description copied from interface: DataHandler
      Return compare mode.
      Specified by:
      getCompareMode in interface DataHandler
      Returns:
      Compare mode.