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package com.fasterxml.jackson.databind.convert;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.exc.MismatchedInputException;
public class CoerceFloatToIntTest extends BaseMapTest
{
private final ObjectMapper MAPPER = sharedMapper();
private final ObjectReader R = MAPPER.reader().without(DeserializationFeature.ACCEPT_FLOAT_AS_INT);
public void testDoubleToInt() throws Exception
{
// by default, should be ok
Integer I = MAPPER.readValue(" 1.25 ", Integer.class);
assertEquals(1, I.intValue());
IntWrapper w = MAPPER.readValue("{\"i\":-2.25 }", IntWrapper.class);
assertEquals(-2, w.i);
int[] arr = MAPPER.readValue("[ 1.25 ]", int[].class);
assertEquals(1, arr[0]);
try {
R.forType(Integer.class).readValue("1.5");
fail("Should not pass");
} catch (JsonMappingException e) {
verifyException(e, "Cannot coerce a floating-point");
}
try {
R.forType(Integer.TYPE).readValue("1.5");
fail("Should not pass");
} catch (JsonMappingException e) {
verifyException(e, "Cannot coerce a floating-point");
}
try {
R.forType(IntWrapper.class).readValue("{\"i\":-2.25 }");
fail("Should not pass");
} catch (JsonMappingException e) {
verifyException(e, "Cannot coerce a floating-point");
}
try {
R.forType(int[].class).readValue("[ 2.5 ]");
fail("Should not pass");
} catch (JsonMappingException e) {
verifyException(e, "Cannot coerce a floating-point");
}
}
public void testDoubleToLong() throws Exception
{
// by default, should be ok
Long L = MAPPER.readValue(" 3.33 ", Long.class);
assertEquals(3L, L.longValue());
LongWrapper w = MAPPER.readValue("{\"l\":-2.25 }", LongWrapper.class);
assertEquals(-2L, w.l);
long[] arr = MAPPER.readValue("[ 1.25 ]", long[].class);
assertEquals(1, arr[0]);
try {
R.forType(Long.class).readValue("1.5");
fail("Should not pass");
} catch (MismatchedInputException e) {
verifyException(e, "Cannot coerce a floating-point");
}
try {
R.forType(Long.TYPE).readValue("1.5");
fail("Should not pass");
} catch (MismatchedInputException e) {
verifyException(e, "Cannot coerce a floating-point");
}
try {
R.forType(LongWrapper.class).readValue("{\"l\": 7.7 }");
fail("Should not pass");
} catch (MismatchedInputException e) {
verifyException(e, "Cannot coerce a floating-point");
}
try {
R.forType(long[].class).readValue("[ 2.5 ]");
fail("Should not pass");
} catch (MismatchedInputException e) {
verifyException(e, "Cannot coerce a floating-point");
}
}
}
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