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package com.fasterxml.jackson.databind.util;
import java.util.List;
import com.fasterxml.jackson.databind.BaseMapTest;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationConfig;
import com.fasterxml.jackson.databind.SerializationFeature;
public class EnumValuesTest extends BaseMapTest
{
enum ABC {
A("A"),
B("b"),
C("C");
private final String desc;
private ABC(String d) { desc = d; }
@Override
public String toString() { return desc; }
}
final ObjectMapper MAPPER = new ObjectMapper();
@SuppressWarnings("unchecked")
public void testConstructFromName() {
SerializationConfig cfg = MAPPER.getSerializationConfig()
.without(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
Class<Enum<?>> enumClass = (Class<Enum<?>>)(Class<?>) ABC.class;
EnumValues values = EnumValues.construct(cfg, enumClass);
assertEquals("A", values.serializedValueFor(ABC.A).toString());
assertEquals("B", values.serializedValueFor(ABC.B).toString());
assertEquals("C", values.serializedValueFor(ABC.C).toString());
assertEquals(3, values.values().size());
assertEquals(3, values.internalMap().size());
}
@SuppressWarnings("unchecked")
public void testConstructWithToString() {
SerializationConfig cfg = MAPPER.getSerializationConfig()
.with(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
Class<Enum<?>> enumClass = (Class<Enum<?>>)(Class<?>) ABC.class;
EnumValues values = EnumValues.construct(cfg, enumClass);
assertEquals("A", values.serializedValueFor(ABC.A).toString());
assertEquals("b", values.serializedValueFor(ABC.B).toString());
assertEquals("C", values.serializedValueFor(ABC.C).toString());
assertEquals(3, values.values().size());
assertEquals(3, values.internalMap().size());
}
public void testEnumResolver()
{
EnumResolver enumRes = EnumResolver.constructUnsafeUsingToString(ABC.class,
MAPPER.getSerializationConfig().getAnnotationIntrospector());
assertEquals(ABC.B, enumRes.getEnum(1));
assertNull(enumRes.getEnum(-1));
assertNull(enumRes.getEnum(3));
assertEquals(2, enumRes.lastValidIndex());
List<Enum<?>> enums = enumRes.getEnums();
assertEquals(3, enums.size());
assertEquals(ABC.A, enums.get(0));
assertEquals(ABC.B, enums.get(1));
assertEquals(ABC.C, enums.get(2));
}
}
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