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package com.fasterxml.jackson.databind.convert;
import java.math.BigInteger;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.exc.MismatchedInputException;
public class CoerceFloatToIntTest extends BaseMapTest
{
private final ObjectMapper DEFAULT_MAPPER = sharedMapper();
private final ObjectReader READER_LEGACY_FAIL = DEFAULT_MAPPER.reader()
.without(DeserializationFeature.ACCEPT_FLOAT_AS_INT);
/*
/********************************************************
/* Test methods, defaults (legacy)
/********************************************************
*/
public void testLegacyDoubleToIntCoercion() throws Exception
{
// by default, should be ok
Integer I = DEFAULT_MAPPER.readValue(" 1.25 ", Integer.class);
assertEquals(1, I.intValue());
{
IntWrapper w = DEFAULT_MAPPER.readValue("{\"i\":-2.25 }", IntWrapper.class);
assertEquals(-2, w.i);
int[] arr = DEFAULT_MAPPER.readValue("[ 1.25 ]", int[].class);
assertEquals(1, arr[0]);
}
Long L = DEFAULT_MAPPER.readValue(" 3.33 ", Long.class);
assertEquals(3L, L.longValue());
{
LongWrapper w = DEFAULT_MAPPER.readValue("{\"l\":-2.25 }", LongWrapper.class);
assertEquals(-2L, w.l);
long[] arr = DEFAULT_MAPPER.readValue("[ 1.25 ]", long[].class);
assertEquals(1, arr[0]);
}
Short S = DEFAULT_MAPPER.readValue("42.33", Short.class);
assertEquals(42, S.intValue());
BigInteger biggie = DEFAULT_MAPPER.readValue("95.3", BigInteger.class);
assertEquals(95L, biggie.longValue());
}
public void testLegacyFailDoubleToInt() throws Exception
{
_verifyCoerceFail(READER_LEGACY_FAIL, Integer.class, "1.5");
_verifyCoerceFail(READER_LEGACY_FAIL, Integer.TYPE, "1.5");
_verifyCoerceFail(READER_LEGACY_FAIL, IntWrapper.class, "{\"i\":-2.25 }");
_verifyCoerceFail(READER_LEGACY_FAIL, int[].class, "[ 2.5 ]");
_verifyCoerceFail(READER_LEGACY_FAIL, Long.class, "0.5");
_verifyCoerceFail(READER_LEGACY_FAIL, Long.TYPE, "-2.5");
_verifyCoerceFail(READER_LEGACY_FAIL, LongWrapper.class, "{\"l\": 7.7 }");
_verifyCoerceFail(READER_LEGACY_FAIL, long[].class, "[ -1.35 ]");
_verifyCoerceFail(READER_LEGACY_FAIL, Short.class, "0.5");
_verifyCoerceFail(READER_LEGACY_FAIL, Short.TYPE, "-2.5");
_verifyCoerceFail(READER_LEGACY_FAIL, short[].class, "[ -1.35 ]");
_verifyCoerceFail(READER_LEGACY_FAIL, BigInteger.class, "25236.256");
}
private void _verifyCoerceFail(ObjectReader r, Class<?> targetType,
String doc) throws Exception
{
try {
r.forType(targetType).readValue(doc);
fail("Should not pass");
} catch (MismatchedInputException e) {
verifyException(e, "Cannot coerce a floating-point");
}
}
public void testDoubleToLong() throws Exception
{
}
/*
/********************************************************
/* Test methods, CoerceConfig
/********************************************************
*/
}
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