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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchlib.aggregation.hll;
import java.util.Arrays;
import static org.junit.Assert.assertEquals;
/**
* Utility class for creating sketches and comparing their content.
*
* @author bjorncs
*/
public class SketchUtils {
private SketchUtils() {}
public static SparseSketch createSparseSketch(Integer... values) {
SparseSketch sketch = new SparseSketch();
sketch.aggregate(Arrays.asList(values));
return sketch;
}
public static NormalSketch createNormalSketch(Integer... values) {
NormalSketch sketch = new NormalSketch();
sketch.aggregate(Arrays.asList(values));
return sketch;
}
public static void assertSketchContains(Sketch<?> sketch, Integer... values) {
if (sketch instanceof SparseSketch) {
assertSparseSketchContains((SparseSketch) sketch, values);
} else {
assertNormalSketchContains((NormalSketch) sketch, values);
}
}
public static void assertNormalSketchContains(NormalSketch sketch, Integer... values) {
NormalSketch expectedSketch = createNormalSketch(values);
assertEquals(expectedSketch, sketch);
}
public static void assertSparseSketchContains(SparseSketch sketch, Integer... values) {
SparseSketch expectedSketch = createSparseSketch(values);
assertEquals(expectedSketch, sketch);
}
}
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