package com.fasterxml.jackson.databind.jsontype;
import java.io.Serializable;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.databind.BaseMapTest;
import com.fasterxml.jackson.databind.ObjectMapper;
public class TestScalars extends BaseMapTest
{
private static class DynamicWrapper {
@JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.PROPERTY)
public Object value;
@SuppressWarnings("unused")
public DynamicWrapper() { }
public DynamicWrapper(Object v) { value = v; }
}
static enum TestEnum { A, B; }
private static class AbstractWrapper {
@JsonTypeInfo(use=JsonTypeInfo.Id.CLASS, include=JsonTypeInfo.As.PROPERTY)
public Serializable value;
@SuppressWarnings("unused")
public AbstractWrapper() { }
public AbstractWrapper(Serializable v) { value = v; }
}
/*
/**********************************************************
/* Unit tests
/**********************************************************
*/
/**
* Ensure that per-property dynamic types work, both for "native" types
* and others
*/
public void testScalarsWithTyping() throws Exception
{
ObjectMapper m = new ObjectMapper();
String json;
DynamicWrapper result;
// first, check "native" types
json = m.writeValueAsString(new DynamicWrapper(Integer.valueOf(3)));
result = m.readValue(json, DynamicWrapper.class);
assertEquals(Integer.valueOf(3), result.value);
json = m.writeValueAsString(new DynamicWrapper("abc"));
result = m.readValue(json, DynamicWrapper.class);
assertEquals("abc", result.value);
json = m.writeValueAsString(new DynamicWrapper("abc"));
result = m.readValue(json, DynamicWrapper.class);
assertEquals("abc", result.value);
json = m.writeValueAsString(new DynamicWrapper(Boolean.TRUE));
result = m.readValue(json, DynamicWrapper.class);
assertEquals(Boolean.TRUE, result.value);
// then verify other scalars
json = m.writeValueAsString(new DynamicWrapper(Long.valueOf(7L)));
result = m.readValue(json, DynamicWrapper.class);
assertEquals(Long.valueOf(7), result.value);
json = m.writeValueAsString(new DynamicWrapper(TestEnum.B));
result = m.readValue(json, DynamicWrapper.class);
assertEquals(TestEnum.B, result.value);
}
public void testScalarsViaAbstractType() throws Exception
{
ObjectMapper m = new ObjectMapper();
String json;
AbstractWrapper result;
// first, check "native" types
json = m.writeValueAsString(new AbstractWrapper(Integer.valueOf(3)));
result = m.readValue(json, AbstractWrapper.class);
assertEquals(Integer.valueOf(3), result.value);
json = m.writeValueAsString(new AbstractWrapper("abc"));
result = m.readValue(json, AbstractWrapper.class);
assertEquals("abc", result.value);
json = m.writeValueAsString(new AbstractWrapper("abc"));
result = m.readValue(json, AbstractWrapper.class);
assertEquals("abc", result.value);
json = m.writeValueAsString(new AbstractWrapper(Boolean.TRUE));
result = m.readValue(json, AbstractWrapper.class);
assertEquals(Boolean.TRUE, result.value);
// then verify other scalars
json = m.writeValueAsString(new AbstractWrapper(Long.valueOf(7L)));
result = m.readValue(json, AbstractWrapper.class);
assertEquals(Long.valueOf(7), result.value);
json = m.writeValueAsString(new AbstractWrapper(TestEnum.B));
result = m.readValue(json, AbstractWrapper.class);
assertEquals(TestEnum.B, result.value);
}
}