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check number lengths (FasterXML#3687)
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src/test/java/com/fasterxml/jackson/databind/deser/TestBigNumbers.java
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| @@ -0,0 +1,123 @@ | ||
| package com.fasterxml.jackson.databind.deser; | ||
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| import com.fasterxml.jackson.core.JsonFactory; | ||
| import com.fasterxml.jackson.core.StreamReadConstraints; | ||
| import com.fasterxml.jackson.databind.BaseMapTest; | ||
| import com.fasterxml.jackson.databind.JsonMappingException; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.fasterxml.jackson.databind.json.JsonMapper; | ||
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| import java.math.BigDecimal; | ||
| import java.math.BigInteger; | ||
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| public class TestBigNumbers extends BaseMapTest | ||
| { | ||
| static class BigDecimalWrapper { | ||
| BigDecimal number; | ||
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| public BigDecimalWrapper() {} | ||
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| public BigDecimalWrapper(BigDecimal number) { | ||
| this.number = number; | ||
| } | ||
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| public void setNumber(BigDecimal number) { | ||
| this.number = number; | ||
| } | ||
| } | ||
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| static class BigIntegerWrapper { | ||
| BigInteger number; | ||
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| public BigIntegerWrapper() {} | ||
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| public BigIntegerWrapper(BigInteger number) { | ||
| this.number = number; | ||
| } | ||
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| public void setNumber(BigInteger number) { | ||
| this.number = number; | ||
| } | ||
| } | ||
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| /* | ||
| /********************************************************** | ||
| /* Tests | ||
| /********************************************************** | ||
| */ | ||
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| private final ObjectMapper MAPPER = newJsonMapper(); | ||
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| private final ObjectMapper newJsonMapperWithUnlimitedNumberSizeSupport() { | ||
| JsonFactory jsonFactory = JsonFactory.builder() | ||
| .streamReadConstraints(StreamReadConstraints.builder().maxNumberLength(Integer.MAX_VALUE).build()) | ||
| .build(); | ||
| return JsonMapper.builder(jsonFactory).build(); | ||
| } | ||
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| public void testDouble() throws Exception | ||
| { | ||
| try { | ||
| MAPPER.readValue(generateJson("d"), DoubleWrapper.class); | ||
| } catch (JsonMappingException jsonMappingException) { | ||
| assertTrue("unexpected exception message: " + jsonMappingException.getMessage(), | ||
| jsonMappingException.getMessage().startsWith("Malformed numeric value ([number with 1200 characters])")); | ||
| } | ||
| } | ||
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| public void testDoubleUnlimited() throws Exception | ||
| { | ||
| DoubleWrapper dw = | ||
| newJsonMapperWithUnlimitedNumberSizeSupport().readValue(generateJson("d"), DoubleWrapper.class); | ||
| assertNotNull(dw); | ||
| } | ||
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| public void testBigDecimal() throws Exception | ||
| { | ||
| try { | ||
| MAPPER.readValue(generateJson("number"), BigDecimalWrapper.class); | ||
| } catch (JsonMappingException jsonMappingException) { | ||
| assertTrue("unexpected exception message: " + jsonMappingException.getMessage(), | ||
| jsonMappingException.getMessage().startsWith("Malformed numeric value ([number with 1200 characters])")); | ||
| } | ||
| } | ||
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| public void testBigDecimalUnlimited() throws Exception | ||
| { | ||
| BigDecimalWrapper bdw = | ||
| newJsonMapperWithUnlimitedNumberSizeSupport() | ||
| .readValue(generateJson("number"), BigDecimalWrapper.class); | ||
| assertNotNull(bdw); | ||
| } | ||
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| public void testBigInteger() throws Exception | ||
| { | ||
| try { | ||
| MAPPER.readValue(generateJson("number"), BigIntegerWrapper.class); | ||
| } catch (JsonMappingException jsonMappingException) { | ||
| assertTrue("unexpected exception message: " + jsonMappingException.getMessage(), | ||
| jsonMappingException.getMessage().startsWith("Malformed numeric value ([number with 1200 characters])")); | ||
| } | ||
| } | ||
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| public void testBigIntegerUnlimited() throws Exception | ||
| { | ||
| BigIntegerWrapper bdw = | ||
| newJsonMapperWithUnlimitedNumberSizeSupport() | ||
| .readValue(generateJson("number"), BigIntegerWrapper.class); | ||
| assertNotNull(bdw); | ||
| } | ||
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| private String generateJson(final String fieldName) { | ||
| final int len = 1200; | ||
| final StringBuilder sb = new StringBuilder(); | ||
| sb.append("{\"") | ||
| .append(fieldName) | ||
| .append("\": "); | ||
| for (int i = 0; i < len; i++) { | ||
| sb.append(1); | ||
| } | ||
| sb.append("}"); | ||
| return sb.toString(); | ||
| } | ||
| } |