/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.block.dictionary;
import com.facebook.presto.block.AbstractTestBlockCursor;
import com.facebook.presto.spi.block.Block;
import com.facebook.presto.spi.block.BlockBuilderStatus;
import com.facebook.presto.spi.block.BlockCursor;
import io.airlift.slice.Slices;
import org.testng.annotations.Test;
import static com.facebook.presto.block.BlockAssertions.createLongsBlock;
import static com.facebook.presto.block.BlockAssertions.createStringsBlock;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static io.airlift.testing.Assertions.assertInstanceOf;
public class TestDictionaryEncodedBlockCursorWithNulls
extends AbstractTestBlockCursor
{
@Override
protected Block createExpectedValues()
{
return createStringsBlock(null, "apple", null, "banana", null, "banana", null, "banana", null, "cherry", null);
}
@Override
protected BlockCursor createTestCursor()
{
Block dictionary = VARCHAR.createBlockBuilder(new BlockBuilderStatus())
.appendNull()
.appendSlice(Slices.utf8Slice("apple"))
.appendSlice(Slices.utf8Slice("banana"))
.appendSlice(Slices.utf8Slice("cherry"))
.appendSlice(Slices.utf8Slice("date"))
.build();
return new DictionaryEncodedBlock(dictionary, createLongsBlock(0, 1, 0, 2, 0, 2, 0, 2, 0, 3, 0)).cursor();
}
@Test
public void testCursorType()
{
assertInstanceOf(createTestCursor(), DictionaryEncodedBlockCursor.class);
}
}