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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.indexinglanguage.expressions;
import com.yahoo.document.DataType;
import com.yahoo.document.PositionDataType;
import com.yahoo.document.datatypes.LongFieldValue;
import com.yahoo.geo.ZCurve;
import org.junit.Test;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerify;
import static com.yahoo.vespa.indexinglanguage.expressions.ExpressionAssert.assertVerifyThrows;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertFalse;
/**
* @author Simon Thoresen Hult
*/
public class ZCurveTestCase {
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
Expression exp = new ZCurveExpression();
assertFalse(exp.equals(new Object()));
assertEquals(exp, new ZCurveExpression());
assertEquals(exp.hashCode(), new ZCurveExpression().hashCode());
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = new ZCurveExpression();
assertVerify(PositionDataType.INSTANCE, exp, DataType.LONG);
assertVerifyThrows(null, exp, "Expected position input, but no input is specified");
assertVerifyThrows(DataType.INT, exp, "Expected position input, got int");
}
@Test
public void requireThatInputIsEncoded() {
assertEquals(new LongFieldValue(ZCurve.encode(6, 9)),
new ZCurveExpression().execute(PositionDataType.valueOf(6, 9)));
}
@Test
public void requireThatMissingFieldEvaluatesToDefaultValue() {
assertEquals(DataType.LONG.createFieldValue(),
new ZCurveExpression().execute(PositionDataType.valueOf(null, 9)));
assertEquals(DataType.LONG.createFieldValue(),
new ZCurveExpression().execute(PositionDataType.valueOf(6, null)));
assertEquals(DataType.LONG.createFieldValue(),
new ZCurveExpression().execute(PositionDataType.valueOf(null, null)));
}
}
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