org.apache.lucene.util

## Class BaseDocIdSetTestCase<T extends DocIdSet>

- java.lang.Object
- - org.junit.Assert
  - - org.apache.lucene.util.LuceneTestCase
    - - org.apache.lucene.util.BaseDocIdSetTestCase<T>

-     public abstract class BaseDocIdSetTestCase<T extends DocIdSet>
      extends LuceneTestCase

  Base test class for `DocIdSet`s.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.lucene.util.LuceneTestCase

      `LuceneTestCase.AwaitsFix, LuceneTestCase.BadApple, LuceneTestCase.Monster, LuceneTestCase.Nightly, LuceneTestCase.Slow, LuceneTestCase.SuppressCodecs, LuceneTestCase.SuppressFileSystems, LuceneTestCase.SuppressFsync, LuceneTestCase.SuppressReproduceLine, LuceneTestCase.SuppressSysoutChecks, LuceneTestCase.SuppressTempFileChecks, LuceneTestCase.ThrowingRunnable, LuceneTestCase.Weekly`

  - ### Field Summary

    - ### Fields inherited from class org.apache.lucene.util.LuceneTestCase

      `assertsAreEnabled, classRules, DEFAULT_LINE_DOCS_FILE, INFOSTREAM, JENKINS_LARGE_LINE_DOCS_FILE, LEAVE_TEMPORARY, MAYBE_CACHE_POLICY, RANDOM_MULTIPLIER, ruleChain, suiteFailureMarker, SYSPROP_AWAITSFIX, SYSPROP_BADAPPLES, SYSPROP_FAILFAST, SYSPROP_MAXFAILURES, SYSPROP_MONSTER, SYSPROP_NIGHTLY, SYSPROP_SLOW, SYSPROP_WEEKLY, TEST_ASSERTS_ENABLED, TEST_AWAITSFIX, TEST_CODEC, TEST_DIRECTORY, TEST_DOCVALUESFORMAT, TEST_LINE_DOCS_FILE, TEST_NIGHTLY, TEST_POSTINGSFORMAT, TEST_SLOW, TEST_THROTTLING, TEST_WEEKLY, VERBOSE`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `BaseDocIdSetTestCase()`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `assertEquals(int numBits, BitSet ds1, T ds2)` Assert that the content of the `DocIdSet` is the same as the content of the `BitSet`.
    `abstract T` | `copyOf(BitSet bs, int length)` Create a copy of the given `BitSet` which has `length` bits.
    `void` | `test1Bit()` Test length=1.
    `void` | `test2Bits()` Test length=2.
    `void` | `testAgainstBitSet()` Compare the content of the set against a `BitSet`.
    `void` | `testNoBit()` Test length=0.
    `void` | `testRamBytesUsed()` Test ram usage estimation.

    - ### Methods inherited from class org.apache.lucene.util.LuceneTestCase

      `addVirusChecker, assertDeletedDocsEquals, assertDocsAndPositionsEnumEquals, assertDocsEnumEquals, assertDocsSkippingEquals, assertDocValuesEquals, assertDocValuesEquals, assertFieldInfosEquals, assertFieldsEquals, assertFieldStatisticsEquals, assertNormsEquals, assertPointsEquals, assertPositionsSkippingEquals, assertReaderEquals, assertReaderStatisticsEquals, assertStoredFieldEquals, assertStoredFieldsEquals, assertTermsEnumEquals, assertTermsEquals, assertTermsStatisticsEquals, assertTermStatsEquals, assertTermVectorsEquals, asSet, assumeFalse, assumeNoException, assumeTrue, assumeWorkingMMapOnWindows, atLeast, atLeast, closeAfterSuite, closeAfterTest, collate, createTempDir, createTempDir, createTempFile, createTempFile, dumpArray, dumpIterator, expectThrows, expectThrows, getBaseTempDirForTestClass, getDataInputStream, getDataPath, getOnlyLeafReader, getTestClass, getTestName, hasWorkingMMapOnWindows, isTestThread, localeForLanguageTag, maybeChangeLiveIndexWriterConfig, maybeWrapReader, newAlcoholicMergePolicy, newAlcoholicMergePolicy, newDirectory, newDirectory, newDirectory, newDirectory, newDirectory, newField, newField, newFSDirectory, newFSDirectory, newIndexWriterConfig, newIndexWriterConfig, newIndexWriterConfig, newIOContext, newIOContext, newLogMergePolicy, newLogMergePolicy, newLogMergePolicy, newLogMergePolicy, newLogMergePolicy, newMaybeVirusCheckingDirectory, newMaybeVirusCheckingFSDirectory, newMergePolicy, newMergePolicy, newMockDirectory, newMockDirectory, newMockDirectory, newMockFSDirectory, newMockFSDirectory, newSearcher, newSearcher, newSearcher, newStringField, newStringField, newStringField, newStringField, newTextField, newTextField, newTieredMergePolicy, newTieredMergePolicy, overrideDefaultQueryCache, overrideTestDefaultQueryCache, random, randomLocale, randomTimeZone, rarely, rarely, replaceMaxFailureRule, resetDefaultQueryCache, restoreCPUCoreCount, restoreIndexWriterMaxDocs, restoreSpins, runWithRestrictedPermissions, setIndexWriterMaxDocs, setUp, setupCPUCoreCount, setupSpins, slowFileExists, tearDown, usually, usually, wrapReader`

    - ### Methods inherited from class org.junit.Assert

      `assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertArrayEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertEquals, assertFalse, assertFalse, assertNotNull, assertNotNull, assertNotSame, assertNotSame, assertNull, assertNull, assertSame, assertSame, assertThat, assertThat, assertTrue, assertTrue, fail, fail`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### BaseDocIdSetTestCase

          public BaseDocIdSetTestCase()

  - ### Method Detail

    - #### copyOf

          public abstract T copyOf(BitSet bs,
                                   int length)
                            throws IOException

      Create a copy of the given `BitSet` which has `length` bits.
      Throws:
        `IOException`

    - #### testNoBit

          public void testNoBit()
                         throws IOException

      Test length=0.
      Throws:
        `IOException`

    - #### test1Bit

          public void test1Bit()
                        throws IOException

      Test length=1.
      Throws:
        `IOException`

    - #### test2Bits

          public void test2Bits()
                         throws IOException

      Test length=2.
      Throws:
        `IOException`

    - #### testAgainstBitSet

          public void testAgainstBitSet()
                                 throws IOException

      Compare the content of the set against a `BitSet`.
      Throws:
        `IOException`

    - #### testRamBytesUsed

          public void testRamBytesUsed()
                                throws IOException

      Test ram usage estimation.
      Throws:
        `IOException`

    - #### assertEquals

          public void assertEquals(int numBits,
                                   BitSet ds1,
                                   T ds2)
                            throws IOException

      Assert that the content of the `DocIdSet` is the same as the content of the `BitSet`.
      Throws:
        `IOException`

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