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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.datatypes.FieldValue;
import com.yahoo.document.datatypes.IntegerFieldValue;
import com.yahoo.document.datatypes.StringFieldValue;
import com.yahoo.vespa.indexinglanguage.SimpleTestAdapter;
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.*;
/**
* @author Simon Thoresen Hult
*/
public class ToStringTestCase {
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
Expression exp = new ToStringExpression();
assertFalse(exp.equals(new Object()));
assertEquals(exp, new ToStringExpression());
assertEquals(exp.hashCode(), new ToStringExpression().hashCode());
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = new ToStringExpression();
assertVerify(DataType.INT, exp, DataType.STRING);
assertVerify(DataType.STRING, exp, DataType.STRING);
assertVerifyThrows(null, exp, "Expected any input, got null.");
}
@Test
public void requireThatValueIsConverted() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
ctx.setValue(new IntegerFieldValue(69)).execute(new ToStringExpression());
FieldValue val = ctx.getValue();
assertTrue(val instanceof StringFieldValue);
assertEquals("69", ((StringFieldValue)val).getString());
}
}
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