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package com.fasterxml.jackson.databind.struct;
import java.io.IOException;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.exc.MismatchedInputException;
// for [databind#1106]
public class ScalarCoercionTest extends BaseMapTest
{
private final ObjectMapper MAPPER = new ObjectMapper();
private final ObjectReader COERCING_READER = MAPPER
.reader().with(DeserializationFeature.ALLOW_COERCION_FOR_SCALARS);
private final ObjectReader NOT_COERCING_READER = MAPPER
.reader().without(DeserializationFeature.ALLOW_COERCION_FOR_SCALARS);
/*
/**********************************************************
/* Unit tests
/**********************************************************
*/
public void testBoolean() throws Exception
{
// first successful coercions
_verifyCoerceSuccess("1", Boolean.TYPE, Boolean.TRUE);
_verifyCoerceSuccess("1", Boolean.class, Boolean.TRUE);
_verifyCoerceSuccess(quote("true"), Boolean.TYPE, Boolean.TRUE);
_verifyCoerceSuccess(quote("true"), Boolean.class, Boolean.TRUE);
_verifyCoerceSuccess(quote("True"), Boolean.TYPE, Boolean.TRUE);
_verifyCoerceSuccess(quote("True"), Boolean.class, Boolean.TRUE);
_verifyCoerceSuccess("0", Boolean.TYPE, Boolean.FALSE);
_verifyCoerceSuccess("0", Boolean.class, Boolean.FALSE);
_verifyCoerceSuccess(quote("false"), Boolean.TYPE, Boolean.FALSE);
_verifyCoerceSuccess(quote("false"), Boolean.class, Boolean.FALSE);
_verifyCoerceSuccess(quote("False"), Boolean.TYPE, Boolean.FALSE);
_verifyCoerceSuccess(quote("False"), Boolean.class, Boolean.FALSE);
// and then expected fails
/*
_verifyCoerceFail("1", Boolean.TYPE);
_verifyCoerceFail("1", Boolean.class);
_verifyCoerceFail(quote("true"), Boolean.TYPE);
_verifyCoerceFail(quote("true"), Boolean.class);
*/
}
/*
/**********************************************************
/* Helper methods
/**********************************************************
*/
private void _verifyCoerceSuccess(String input, Class<?> type, Object exp) throws IOException
{
Object result = COERCING_READER.forType(type)
.readValue(input);
assertEquals(exp, result);
}
private void _verifyCoerceFail(String input, Class<?> type) throws IOException
{
try {
NOT_COERCING_READER.forType(type)
.readValue(input);
fail("Should not have allowed coercion");
} catch (MismatchedInputException e) {
verifyException(e, "Coercion not enabled");
}
}
}
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