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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.document.annotation;
import com.yahoo.document.DataType;
import com.yahoo.document.DocumentTypeManager;
import com.yahoo.document.Field;
import com.yahoo.document.StructDataType;
import com.yahoo.document.datatypes.StringFieldValue;
import com.yahoo.document.datatypes.Struct;
import com.yahoo.document.serialization.*;
import com.yahoo.io.GrowableByteBuffer;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
public class Bug6425939TestCase {
private DocumentTypeManager man;
private StructDataType person;
private AnnotationType personA;
@Before
public void setUp() {
man = new DocumentTypeManager();
person = new StructDataType("personStruct");
person.addField(new Field("foo", DataType.STRING));
person.addField(new Field("bar", DataType.INT));
man.register(person);
personA = new AnnotationType("person", person);
man.getAnnotationTypeRegistry().register(personA);
}
@Test
public void canDeserializeAnnotationsOnZeroLengthStrings() {
StringFieldValue emptyString = new StringFieldValue("");
emptyString.setSpanTree(createSpanTree());
GrowableByteBuffer buffer = new GrowableByteBuffer(1024);
DocumentSerializer serializer = DocumentSerializerFactory.create6(buffer);
Field strField = new Field("flarn", DataType.STRING);
serializer.write(strField, emptyString);
buffer.flip();
// Should not throw exception if bug 6425939 is fixed:
DocumentDeserializer deserializer = DocumentDeserializerFactory.create6(man, buffer);
StringFieldValue deserializedString = new StringFieldValue();
deserializer.read(strField, deserializedString);
assertEquals("", deserializedString.getString());
SpanTree readTree = deserializedString.getSpanTree("SpanTree1");
assertNotNull(readTree);
}
private SpanTree createSpanTree() {
SpanList root = new SpanList();
SpanTree tree = new SpanTree("SpanTree1", root);
SpanNode node = new Span(0, 0);
Struct ps = new Struct(person);
ps.setFieldValue("foo", "epic badger");
ps.setFieldValue("bar", 54321);
tree.annotate(node, new Annotation(personA, ps));
root.add(node);
return tree;
}
}
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