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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.LongFieldValue;
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 HexDecodeTestCase {
@Test
public void requireThatHashCodeAndEqualsAreImplemented() {
Expression exp = new HexDecodeExpression();
assertFalse(exp.equals(new Object()));
assertEquals(exp, new HexDecodeExpression());
assertEquals(exp.hashCode(), new HexDecodeExpression().hashCode());
}
@Test
public void requireThatExpressionCanBeVerified() {
Expression exp = new HexDecodeExpression();
assertVerify(DataType.STRING, exp, DataType.LONG);
assertVerifyThrows(null, exp, "Expected string input, but no input is specified");
assertVerifyThrows(DataType.LONG, exp, "Expected string input, got long");
}
@Test
public void requireInputIsDecoded() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
ctx.setValue(new StringFieldValue("1d28c2cd"));
new HexDecodeExpression().execute(ctx);
FieldValue val = ctx.getValue();
assertTrue(val instanceof LongFieldValue);
assertEquals(489210573L, ((LongFieldValue)val).getLong());
}
@Test
public void requireThatLargeInputIsDecoded() {
ExecutionContext ctx = new ExecutionContext(new SimpleTestAdapter());
ctx.setValue(new StringFieldValue("ff7a3c87fd74abff"));
new HexDecodeExpression().execute(ctx);
FieldValue val = ctx.getValue();
assertTrue(val instanceof LongFieldValue);
assertEquals(-37651092108694529L, ((LongFieldValue)val).getLong());
}
@Test
public void requireThatEmptyStringDecodesToLongMinValue() {
assertEquals(new LongFieldValue(Long.MIN_VALUE),
new HexDecodeExpression().execute(new StringFieldValue("")));
}
@Test
public void requireThatInputDoesNotExceedMaxLength() {
try {
new HexDecodeExpression().execute(new StringFieldValue("1ffffffffffffffff"));
fail();
} catch (IllegalArgumentException e) {
assertEquals("Hex value '1ffffffffffffffff' is out of range", e.getMessage());
}
}
@Test
public void requireThatIllegalInputThrows() {
try {
new HexDecodeExpression().execute(new StringFieldValue("???"));
fail();
} catch (IllegalArgumentException e) {
assertEquals("Illegal hex value '???'", e.getMessage());
}
}
}
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