/
JSONObjectTest.java
3140 lines (2908 loc) · 143 KB
/
JSONObjectTest.java
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package org.json.junit;
/*
Copyright (c) 2020 JSON.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
The Software shall be used for Good, not Evil.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.io.IOException;
import java.io.StringReader;
import java.io.StringWriter;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Pattern;
import org.json.CDL;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONPointerException;
import org.json.XML;
import org.json.junit.data.BrokenToString;
import org.json.junit.data.ExceptionalBean;
import org.json.junit.data.Fraction;
import org.json.junit.data.GenericBean;
import org.json.junit.data.GenericBeanInt;
import org.json.junit.data.MyBean;
import org.json.junit.data.MyBeanCustomName;
import org.json.junit.data.MyBeanCustomNameSubClass;
import org.json.junit.data.MyBigNumberBean;
import org.json.junit.data.MyEnum;
import org.json.junit.data.MyEnumField;
import org.json.junit.data.MyJsonString;
import org.json.junit.data.MyNumber;
import org.json.junit.data.MyNumberContainer;
import org.json.junit.data.MyPublicClass;
import org.json.junit.data.Singleton;
import org.json.junit.data.SingletonEnum;
import org.json.junit.data.WeirdList;
import org.junit.Test;
import com.jayway.jsonpath.Configuration;
import com.jayway.jsonpath.JsonPath;
/**
* JSONObject, along with JSONArray, are the central classes of the reference app.
* All of the other classes interact with them, and JSON functionality would
* otherwise be impossible.
*/
public class JSONObjectTest {
/**
* Regular Expression Pattern that matches JSON Numbers. This is primarily used for
* output to guarantee that we are always writing valid JSON.
*/
static final Pattern NUMBER_PATTERN = Pattern.compile("-?(?:0|[1-9]\\d*)(?:\\.\\d+)?(?:[eE][+-]?\\d+)?");
/**
* Tests that the similar method is working as expected.
*/
@Test
public void verifySimilar() {
final String string1 = "HasSameRef";
JSONObject obj1 = new JSONObject()
.put("key1", "abc")
.put("key2", 2)
.put("key3", string1);
JSONObject obj2 = new JSONObject()
.put("key1", "abc")
.put("key2", 3)
.put("key3", string1);
JSONObject obj3 = new JSONObject()
.put("key1", "abc")
.put("key2", 2)
.put("key3", new String(string1));
assertFalse("Should eval to false", obj1.similar(obj2));
assertTrue("Should eval to true", obj1.similar(obj3));
}
@Test
public void timeNumberParsing() {
// test data to use
final String[] testData = new String[] {
null,
"",
"100",
"-100",
"abc123",
"012345",
"100.5e199",
"-100.5e199",
"DEADBEEF",
"0xDEADBEEF",
"1234567890.1234567890",
"-1234567890.1234567890",
"adloghakuidghauiehgauioehgdkjfb nsruoh aeu noerty384 nkljfgh "
+ "395h tdfn kdz8yt3 4hkls gn.ey85 4hzfhnz.o8y5a84 onvklt "
+ "yh389thub nkz8y49lihv al4itlaithknty8hnbl"
// long (in length) number sequences with invalid data at the end of the
// string offer very poor performance for the REGEX.
,"123467890123467890123467890123467890123467890123467890123467"
+ "8901234678901234678901234678901234678901234678901234678"
+ "9012346789012346789012346789012346789012346789012346789"
+ "0a"
};
final int testDataLength = testData.length;
/**
* Changed to 1000 for faster test runs
*/
// final int iterations = 1000000;
final int iterations = 1000;
// 10 million iterations 1,000,000 * 10 (currently 100,000)
long startTime = System.nanoTime();
for(int i = 0; i < iterations; i++) {
for(int j = 0; j < testDataLength; j++) {
try {
BigDecimal v1 = new BigDecimal(testData[j]);
v1.signum();
} catch(Exception ignore) {
//do nothing
}
}
}
final long elapsedNano1 = System.nanoTime() - startTime;
System.out.println("new BigDecimal(testData[]) : " + elapsedNano1 / 1000000 + " ms");
startTime = System.nanoTime();
for(int i = 0; i < iterations; i++) {
for(int j = 0; j < testDataLength; j++) {
try {
boolean v2 = NUMBER_PATTERN.matcher(testData[j]).matches();
assert v2 == !!v2;
} catch(Exception ignore) {
//do nothing
}
}
}
final long elapsedNano2 = System.nanoTime() - startTime;
System.out.println("NUMBER_PATTERN.matcher(testData[]).matches() : " + elapsedNano2 / 1000000 + " ms");
// don't assert normally as the testing is machine dependent.
// assertTrue("Expected Pattern matching to be faster than BigDecimal constructor",elapsedNano2<elapsedNano1);
}
/**
* JSONObject built from a bean, but only using a null value.
* Nothing good is expected to happen.
* Expects NullPointerException
*/
@Test(expected=NullPointerException.class)
public void jsonObjectByNullBean() {
assertNull("Expected an exception",new JSONObject((MyBean)null));
}
/**
* The JSON parser is permissive of unambiguous unquoted keys and values.
* Such JSON text should be allowed, even if it does not strictly conform
* to the spec. However, after being parsed, toString() should emit strictly
* conforming JSON text.
*/
@Test
public void unquotedText() {
String str = "{key1:value1, key2:42}";
JSONObject jsonObject = new JSONObject(str);
String textStr = jsonObject.toString();
assertTrue("expected key1", textStr.contains("\"key1\""));
assertTrue("expected value1", textStr.contains("\"value1\""));
assertTrue("expected key2", textStr.contains("\"key2\""));
assertTrue("expected 42", textStr.contains("42"));
}
@Test
public void testLongFromString(){
String str = "26315000000253009";
JSONObject json = new JSONObject();
json.put("key", str);
final Object actualKey = json.opt("key");
assert str.equals(actualKey) : "Incorrect key value. Got " + actualKey
+ " expected " + str;
final long actualLong = json.optLong("key");
assert actualLong != 0 : "Unable to extract long value for string " + str;
assert 26315000000253009L == actualLong : "Incorrect key value. Got "
+ actualLong + " expected " + str;
final String actualString = json.optString("key");
assert str.equals(actualString) : "Incorrect key value. Got "
+ actualString + " expected " + str;
}
/**
* A JSONObject can be created with no content
*/
@Test
public void emptyJsonObject() {
JSONObject jsonObject = new JSONObject();
assertTrue("jsonObject should be empty", jsonObject.isEmpty());
}
/**
* A JSONObject can be created from another JSONObject plus a list of names.
* In this test, some of the starting JSONObject keys are not in the
* names list.
*/
@Test
public void jsonObjectByNames() {
String str =
"{"+
"\"trueKey\":true,"+
"\"falseKey\":false,"+
"\"nullKey\":null,"+
"\"stringKey\":\"hello world!\","+
"\"escapeStringKey\":\"h\be\tllo w\u1234orld!\","+
"\"intKey\":42,"+
"\"doubleKey\":-23.45e67"+
"}";
String[] keys = {"falseKey", "stringKey", "nullKey", "doubleKey"};
JSONObject jsonObject = new JSONObject(str);
// validate JSON
JSONObject jsonObjectByName = new JSONObject(jsonObject, keys);
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObjectByName.toString());
assertTrue("expected 4 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 4);
assertTrue("expected \"falseKey\":false", Boolean.FALSE.equals(jsonObjectByName.query("/falseKey")));
assertTrue("expected \"nullKey\":null", JSONObject.NULL.equals(jsonObjectByName.query("/nullKey")));
assertTrue("expected \"stringKey\":\"hello world!\"", "hello world!".equals(jsonObjectByName.query("/stringKey")));
assertTrue("expected \"doubleKey\":-23.45e67", new BigDecimal("-23.45e67").equals(jsonObjectByName.query("/doubleKey")));
}
/**
* JSONObjects can be built from a Map<String, Object>.
* In this test the map is null.
* the JSONObject(JsonTokener) ctor is not tested directly since it already
* has full coverage from other tests.
*/
@Test
public void jsonObjectByNullMap() {
Map<String, Object> map = null;
JSONObject jsonObject = new JSONObject(map);
assertTrue("jsonObject should be empty", jsonObject.isEmpty());
}
/**
* JSONObjects can be built from a Map<String, Object>.
* In this test all of the map entries are valid JSON types.
*/
@Test
public void jsonObjectByMap() {
Map<String, Object> map = new HashMap<String, Object>();
map.put("trueKey", new Boolean(true));
map.put("falseKey", new Boolean(false));
map.put("stringKey", "hello world!");
map.put("escapeStringKey", "h\be\tllo w\u1234orld!");
map.put("intKey", new Long(42));
map.put("doubleKey", new Double(-23.45e67));
JSONObject jsonObject = new JSONObject(map);
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 6 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 6);
assertTrue("expected \"trueKey\":true", Boolean.TRUE.equals(jsonObject.query("/trueKey")));
assertTrue("expected \"falseKey\":false", Boolean.FALSE.equals(jsonObject.query("/falseKey")));
assertTrue("expected \"stringKey\":\"hello world!\"", "hello world!".equals(jsonObject.query("/stringKey")));
assertTrue("expected \"escapeStringKey\":\"h\be\tllo w\u1234orld!\"", "h\be\tllo w\u1234orld!".equals(jsonObject.query("/escapeStringKey")));
assertTrue("expected \"doubleKey\":-23.45e67", Double.valueOf("-23.45e67").equals(jsonObject.query("/doubleKey")));
}
/**
* Verifies that the constructor has backwards compatability with RAW types pre-java5.
*/
@Test
public void verifyConstructor() {
final JSONObject expected = new JSONObject("{\"myKey\":10}");
@SuppressWarnings("rawtypes")
Map myRawC = Collections.singletonMap("myKey", Integer.valueOf(10));
JSONObject jaRaw = new JSONObject(myRawC);
Map<String, Object> myCStrObj = Collections.singletonMap("myKey",
(Object) Integer.valueOf(10));
JSONObject jaStrObj = new JSONObject(myCStrObj);
Map<String, Integer> myCStrInt = Collections.singletonMap("myKey",
Integer.valueOf(10));
JSONObject jaStrInt = new JSONObject(myCStrInt);
Map<?, ?> myCObjObj = Collections.singletonMap((Object) "myKey",
(Object) Integer.valueOf(10));
JSONObject jaObjObj = new JSONObject(myCObjObj);
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaRaw));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaStrObj));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaStrInt));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaObjObj));
}
/**
* Tests Number serialization.
*/
@Test
public void verifyNumberOutput(){
/**
* MyNumberContainer is a POJO, so call JSONObject(bean),
* which builds a map of getter names/values
* The only getter is getMyNumber (key=myNumber),
* whose return value is MyNumber. MyNumber extends Number,
* but is not recognized as such by wrap() per current
* implementation, so wrap() returns the default new JSONObject(bean).
* The only getter is getNumber (key=number), whose return value is
* BigDecimal(42).
*/
JSONObject jsonObject = new JSONObject(new MyNumberContainer());
String actual = jsonObject.toString();
String expected = "{\"myNumber\":{\"number\":42}}";
assertEquals("Equal", expected , actual);
/**
* JSONObject.put() handles objects differently than the
* bean constructor. Where the bean ctor wraps objects before
* placing them in the map, put() inserts the object without wrapping.
* In this case, a MyNumber instance is the value.
* The MyNumber.toString() method is responsible for
* returning a reasonable value: the string '42'.
*/
jsonObject = new JSONObject();
jsonObject.put("myNumber", new MyNumber());
actual = jsonObject.toString();
expected = "{\"myNumber\":42}";
assertEquals("Equal", expected , actual);
/**
* Calls the JSONObject(Map) ctor, which calls wrap() for values.
* AtomicInteger is a Number, but is not recognized by wrap(), per
* current implementation. However, the type is
* 'java.util.concurrent.atomic', so due to the 'java' prefix,
* wrap() inserts the value as a string. That is why 42 comes back
* wrapped in quotes.
*/
jsonObject = new JSONObject(Collections.singletonMap("myNumber", new AtomicInteger(42)));
actual = jsonObject.toString();
expected = "{\"myNumber\":\"42\"}";
assertEquals("Equal", expected , actual);
/**
* JSONObject.put() inserts the AtomicInteger directly into the
* map not calling wrap(). In toString()->write()->writeValue(),
* AtomicInteger is recognized as a Number, and converted via
* numberToString() into the unquoted string '42'.
*/
jsonObject = new JSONObject();
jsonObject.put("myNumber", new AtomicInteger(42));
actual = jsonObject.toString();
expected = "{\"myNumber\":42}";
assertEquals("Equal", expected , actual);
/**
* Calls the JSONObject(Map) ctor, which calls wrap() for values.
* Fraction is a Number, but is not recognized by wrap(), per
* current implementation. As a POJO, Fraction is handled as a
* bean and inserted into a contained JSONObject. It has 2 getters,
* for numerator and denominator.
*/
jsonObject = new JSONObject(Collections.singletonMap("myNumber", new Fraction(4,2)));
assertEquals(1, jsonObject.length());
assertEquals(2, ((JSONObject)(jsonObject.get("myNumber"))).length());
assertEquals("Numerator", BigInteger.valueOf(4) , jsonObject.query("/myNumber/numerator"));
assertEquals("Denominator", BigInteger.valueOf(2) , jsonObject.query("/myNumber/denominator"));
/**
* JSONObject.put() inserts the Fraction directly into the
* map not calling wrap(). In toString()->write()->writeValue(),
* Fraction is recognized as a Number, and converted via
* numberToString() into the unquoted string '4/2'. But the
* BigDecimal sanity check fails, so writeValue() defaults
* to returning a safe JSON quoted string. Pretty slick!
*/
jsonObject = new JSONObject();
jsonObject.put("myNumber", new Fraction(4,2));
actual = jsonObject.toString();
expected = "{\"myNumber\":\"4/2\"}"; // valid JSON, bug fixed
assertEquals("Equal", expected , actual);
}
/**
* Verifies that the put Collection has backwards compatibility with RAW types pre-java5.
*/
@Test
public void verifyPutCollection() {
final JSONObject expected = new JSONObject("{\"myCollection\":[10]}");
@SuppressWarnings("rawtypes")
Collection myRawC = Collections.singleton(Integer.valueOf(10));
JSONObject jaRaw = new JSONObject();
jaRaw.put("myCollection", myRawC);
Collection<Object> myCObj = Collections.singleton((Object) Integer
.valueOf(10));
JSONObject jaObj = new JSONObject();
jaObj.put("myCollection", myCObj);
Collection<Integer> myCInt = Collections.singleton(Integer
.valueOf(10));
JSONObject jaInt = new JSONObject();
jaInt.put("myCollection", myCInt);
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaRaw));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaObj));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaInt));
}
/**
* Verifies that the put Map has backwards compatibility with RAW types pre-java5.
*/
@Test
public void verifyPutMap() {
final JSONObject expected = new JSONObject("{\"myMap\":{\"myKey\":10}}");
@SuppressWarnings("rawtypes")
Map myRawC = Collections.singletonMap("myKey", Integer.valueOf(10));
JSONObject jaRaw = new JSONObject();
jaRaw.put("myMap", myRawC);
Map<String, Object> myCStrObj = Collections.singletonMap("myKey",
(Object) Integer.valueOf(10));
JSONObject jaStrObj = new JSONObject();
jaStrObj.put("myMap", myCStrObj);
Map<String, Integer> myCStrInt = Collections.singletonMap("myKey",
Integer.valueOf(10));
JSONObject jaStrInt = new JSONObject();
jaStrInt.put("myMap", myCStrInt);
Map<?, ?> myCObjObj = Collections.singletonMap((Object) "myKey",
(Object) Integer.valueOf(10));
JSONObject jaObjObj = new JSONObject();
jaObjObj.put("myMap", myCObjObj);
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaRaw));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaStrObj));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaStrInt));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaObjObj));
}
/**
* JSONObjects can be built from a Map<String, Object>.
* In this test the map entries are not valid JSON types.
* The actual conversion is kind of interesting.
*/
@Test
public void jsonObjectByMapWithUnsupportedValues() {
Map<String, Object> jsonMap = new HashMap<String, Object>();
// Just insert some random objects
jsonMap.put("key1", new CDL());
jsonMap.put("key2", new Exception());
JSONObject jsonObject = new JSONObject(jsonMap);
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2);
assertTrue("expected 0 key1 items", ((Map<?,?>)(JsonPath.read(doc, "$.key1"))).size() == 0);
assertTrue("expected \"key2\":java.lang.Exception","java.lang.Exception".equals(jsonObject.query("/key2")));
}
/**
* JSONObjects can be built from a Map<String, Object>.
* In this test one of the map values is null
*/
@Test
public void jsonObjectByMapWithNullValue() {
Map<String, Object> map = new HashMap<String, Object>();
map.put("trueKey", new Boolean(true));
map.put("falseKey", new Boolean(false));
map.put("stringKey", "hello world!");
map.put("nullKey", null);
map.put("escapeStringKey", "h\be\tllo w\u1234orld!");
map.put("intKey", new Long(42));
map.put("doubleKey", new Double(-23.45e67));
JSONObject jsonObject = new JSONObject(map);
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 6 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 6);
assertTrue("expected \"trueKey\":true", Boolean.TRUE.equals(jsonObject.query("/trueKey")));
assertTrue("expected \"falseKey\":false", Boolean.FALSE.equals(jsonObject.query("/falseKey")));
assertTrue("expected \"stringKey\":\"hello world!\"", "hello world!".equals(jsonObject.query("/stringKey")));
assertTrue("expected \"escapeStringKey\":\"h\be\tllo w\u1234orld!\"", "h\be\tllo w\u1234orld!".equals(jsonObject.query("/escapeStringKey")));
assertTrue("expected \"intKey\":42", Long.valueOf("42").equals(jsonObject.query("/intKey")));
assertTrue("expected \"doubleKey\":-23.45e67", Double.valueOf("-23.45e67").equals(jsonObject.query("/doubleKey")));
}
/**
* JSONObject built from a bean. In this case all but one of the
* bean getters return valid JSON types
*/
@SuppressWarnings("boxing")
@Test
public void jsonObjectByBean1() {
/**
* Default access classes have to be mocked since JSONObject, which is
* not in the same package, cannot call MyBean methods by reflection.
*/
MyBean myBean = mock(MyBean.class);
when(myBean.getDoubleKey()).thenReturn(-23.45e7);
when(myBean.getIntKey()).thenReturn(42);
when(myBean.getStringKey()).thenReturn("hello world!");
when(myBean.getEscapeStringKey()).thenReturn("h\be\tllo w\u1234orld!");
when(myBean.isTrueKey()).thenReturn(true);
when(myBean.isFalseKey()).thenReturn(false);
when(myBean.getStringReaderKey()).thenReturn(
new StringReader("") {
});
JSONObject jsonObject = new JSONObject(myBean);
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 8 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 8);
assertTrue("expected 0 items in stringReaderKey", ((Map<?, ?>) (JsonPath.read(doc, "$.stringReaderKey"))).size() == 0);
assertTrue("expected true", Boolean.TRUE.equals(jsonObject.query("/trueKey")));
assertTrue("expected false", Boolean.FALSE.equals(jsonObject.query("/falseKey")));
assertTrue("expected hello world!","hello world!".equals(jsonObject.query("/stringKey")));
assertTrue("expected h\be\tllo w\u1234orld!", "h\be\tllo w\u1234orld!".equals(jsonObject.query("/escapeStringKey")));
assertTrue("expected 42", Integer.valueOf("42").equals(jsonObject.query("/intKey")));
assertTrue("expected -23.45e7", Double.valueOf("-23.45e7").equals(jsonObject.query("/doubleKey")));
// sorry, mockito artifact
assertTrue("expected 2 callbacks items", ((List<?>)(JsonPath.read(doc, "$.callbacks"))).size() == 2);
assertTrue("expected 0 handler items", ((Map<?,?>)(JsonPath.read(doc, "$.callbacks[0].handler"))).size() == 0);
assertTrue("expected 0 callbacks[1] items", ((Map<?,?>)(JsonPath.read(doc, "$.callbacks[1]"))).size() == 0);
}
/**
* JSONObject built from a bean that has custom field names.
*/
@Test
public void jsonObjectByBean2() {
JSONObject jsonObject = new JSONObject(new MyBeanCustomName());
assertNotNull(jsonObject);
assertEquals("Wrong number of keys found:",
5,
jsonObject.keySet().size());
assertFalse("Normal field name (someString) processing did not work",
jsonObject.has("someString"));
assertFalse("Normal field name (myDouble) processing did not work",
jsonObject.has("myDouble"));
assertFalse("Normal field name (someFloat) processing did not work",
jsonObject.has("someFloat"));
assertFalse("Ignored field not found!",
jsonObject.has("ignoredInt"));
// getSomeInt() has no user-defined annotation
assertTrue("Normal field name (someInt) should have been found",
jsonObject.has("someInt"));
// the user-defined annotation does not replace any value, so someLong should be found
assertTrue("Normal field name (someLong) should have been found",
jsonObject.has("someLong"));
// myStringField replaces someString property name via user-defined annotation
assertTrue("Overridden String field name (myStringField) should have been found",
jsonObject.has("myStringField"));
// weird name replaces myDouble property name via user-defined annotation
assertTrue("Overridden String field name (Some Weird NAme that Normally Wouldn't be possible!) should have been found",
jsonObject.has("Some Weird NAme that Normally Wouldn't be possible!"));
// InterfaceField replaces someFloat property name via user-defined annotation
assertTrue("Overridden String field name (InterfaceField) should have been found",
jsonObject.has("InterfaceField"));
}
/**
* JSONObject built from a bean that has custom field names inherited from a parent class.
*/
@Test
public void jsonObjectByBean3() {
JSONObject jsonObject = new JSONObject(new MyBeanCustomNameSubClass());
assertNotNull(jsonObject);
assertEquals("Wrong number of keys found:",
7,
jsonObject.keySet().size());
assertFalse("Normal int field name (someInt) found, but was overridden",
jsonObject.has("someInt"));
assertFalse("Normal field name (myDouble) processing did not work",
jsonObject.has("myDouble"));
// myDouble was replaced by weird name, and then replaced again by AMoreNormalName via user-defined annotation
assertFalse("Overridden String field name (Some Weird NAme that Normally Wouldn't be possible!) should not be FOUND!",
jsonObject.has("Some Weird NAme that Normally Wouldn't be possible!"));
assertFalse("Normal field name (someFloat) found, but was overridden",
jsonObject.has("someFloat"));
assertFalse("Ignored field found! but was overridden",
jsonObject.has("ignoredInt"));
// shouldNotBeJSON property name was first ignored, then replaced by ShouldBeIgnored via user-defined annotations
assertFalse("Ignored field at the same level as forced name should not have been found",
jsonObject.has("ShouldBeIgnored"));
// able property name was replaced by Getable via user-defined annotation
assertFalse("Normally ignored field (able) with explicit property name should not have been found",
jsonObject.has("able"));
// property name someInt was replaced by newIntFieldName via user-defined annotation
assertTrue("Overridden int field name (newIntFieldName) should have been found",
jsonObject.has("newIntFieldName"));
// property name someLong was not replaced via user-defined annotation
assertTrue("Normal field name (someLong) should have been found",
jsonObject.has("someLong"));
// property name someString was replaced by myStringField via user-defined annotation
assertTrue("Overridden String field name (myStringField) should have been found",
jsonObject.has("myStringField"));
// property name myDouble was replaced by a weird name, followed by AMoreNormalName via user-defined annotations
assertTrue("Overridden double field name (AMoreNormalName) should have been found",
jsonObject.has("AMoreNormalName"));
// property name someFloat was replaced by InterfaceField via user-defined annotation
assertTrue("Overridden String field name (InterfaceField) should have been found",
jsonObject.has("InterfaceField"));
// property name ignoredInt was replaced by none, followed by forcedInt via user-defined annotations
assertTrue("Forced field should have been found!",
jsonObject.has("forcedInt"));
// property name able was replaced by Getable via user-defined annotation
assertTrue("Overridden boolean field name (Getable) should have been found",
jsonObject.has("Getable"));
}
/**
* A bean is also an object. But in order to test the JSONObject
* ctor that takes an object and a list of names,
* this particular bean needs some public
* data members, which have been added to the class.
*/
@Test
public void jsonObjectByObjectAndNames() {
String[] keys = {"publicString", "publicInt"};
// just need a class that has public data members
MyPublicClass myPublicClass = new MyPublicClass();
JSONObject jsonObject = new JSONObject(myPublicClass, keys);
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2);
assertTrue("expected \"publicString\":\"abc\"", "abc".equals(jsonObject.query("/publicString")));
assertTrue("expected \"publicInt\":42", Integer.valueOf(42).equals(jsonObject.query("/publicInt")));
}
/**
* Exercise the JSONObject from resource bundle functionality.
* The test resource bundle is uncomplicated, but provides adequate test coverage.
*/
@Test
public void jsonObjectByResourceBundle() {
JSONObject jsonObject = new
JSONObject("org.json.junit.data.StringsResourceBundle",
Locale.getDefault());
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 2 top level items", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 2);
assertTrue("expected 2 greetings items", ((Map<?,?>)(JsonPath.read(doc, "$.greetings"))).size() == 2);
assertTrue("expected \"hello\":\"Hello, \"", "Hello, ".equals(jsonObject.query("/greetings/hello")));
assertTrue("expected \"world\":\"World!\"", "World!".equals(jsonObject.query("/greetings/world")));
assertTrue("expected 2 farewells items", ((Map<?,?>)(JsonPath.read(doc, "$.farewells"))).size() == 2);
assertTrue("expected \"later\":\"Later, \"", "Later, ".equals(jsonObject.query("/farewells/later")));
assertTrue("expected \"world\":\"World!\"", "Alligator!".equals(jsonObject.query("/farewells/gator")));
}
/**
* Exercise the JSONObject.accumulate() method
*/
@SuppressWarnings("boxing")
@Test
public void jsonObjectAccumulate() {
JSONObject jsonObject = new JSONObject();
jsonObject.accumulate("myArray", true);
jsonObject.accumulate("myArray", false);
jsonObject.accumulate("myArray", "hello world!");
jsonObject.accumulate("myArray", "h\be\tllo w\u1234orld!");
jsonObject.accumulate("myArray", 42);
jsonObject.accumulate("myArray", -23.45e7);
// include an unsupported object for coverage
try {
jsonObject.accumulate("myArray", Double.NaN);
fail("Expected exception");
} catch (JSONException ignored) {}
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 1 top level item", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 1);
assertTrue("expected 6 myArray items", ((List<?>)(JsonPath.read(doc, "$.myArray"))).size() == 6);
assertTrue("expected true", Boolean.TRUE.equals(jsonObject.query("/myArray/0")));
assertTrue("expected false", Boolean.FALSE.equals(jsonObject.query("/myArray/1")));
assertTrue("expected hello world!", "hello world!".equals(jsonObject.query("/myArray/2")));
assertTrue("expected h\be\tllo w\u1234orld!", "h\be\tllo w\u1234orld!".equals(jsonObject.query("/myArray/3")));
assertTrue("expected 42", Integer.valueOf(42).equals(jsonObject.query("/myArray/4")));
assertTrue("expected -23.45e7", Double.valueOf(-23.45e7).equals(jsonObject.query("/myArray/5")));
}
/**
* Exercise the JSONObject append() functionality
*/
@SuppressWarnings("boxing")
@Test
public void jsonObjectAppend() {
JSONObject jsonObject = new JSONObject();
jsonObject.append("myArray", true);
jsonObject.append("myArray", false);
jsonObject.append("myArray", "hello world!");
jsonObject.append("myArray", "h\be\tllo w\u1234orld!");
jsonObject.append("myArray", 42);
jsonObject.append("myArray", -23.45e7);
// include an unsupported object for coverage
try {
jsonObject.append("myArray", Double.NaN);
fail("Expected exception");
} catch (JSONException ignored) {}
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonObject.toString());
assertTrue("expected 1 top level item", ((Map<?,?>)(JsonPath.read(doc, "$"))).size() == 1);
assertTrue("expected 6 myArray items", ((List<?>)(JsonPath.read(doc, "$.myArray"))).size() == 6);
assertTrue("expected true", Boolean.TRUE.equals(jsonObject.query("/myArray/0")));
assertTrue("expected false", Boolean.FALSE.equals(jsonObject.query("/myArray/1")));
assertTrue("expected hello world!", "hello world!".equals(jsonObject.query("/myArray/2")));
assertTrue("expected h\be\tllo w\u1234orld!", "h\be\tllo w\u1234orld!".equals(jsonObject.query("/myArray/3")));
assertTrue("expected 42", Integer.valueOf(42).equals(jsonObject.query("/myArray/4")));
assertTrue("expected -23.45e7", Double.valueOf(-23.45e7).equals(jsonObject.query("/myArray/5")));
}
/**
* Exercise the JSONObject doubleToString() method
*/
@SuppressWarnings("boxing")
@Test
public void jsonObjectDoubleToString() {
String [] expectedStrs = {"1", "1", "-23.4", "-2.345E68", "null", "null" };
Double [] doubles = { 1.0, 00001.00000, -23.4, -23.45e67,
Double.NaN, Double.NEGATIVE_INFINITY };
for (int i = 0; i < expectedStrs.length; ++i) {
String actualStr = JSONObject.doubleToString(doubles[i]);
assertTrue("value expected ["+expectedStrs[i]+
"] found ["+actualStr+ "]",
expectedStrs[i].equals(actualStr));
}
}
/**
* Exercise some JSONObject get[type] and opt[type] methods
*/
@Test
public void jsonObjectValues() {
String str =
"{"+
"\"trueKey\":true,"+
"\"falseKey\":false,"+
"\"trueStrKey\":\"true\","+
"\"falseStrKey\":\"false\","+
"\"stringKey\":\"hello world!\","+
"\"intKey\":42,"+
"\"intStrKey\":\"43\","+
"\"longKey\":1234567890123456789,"+
"\"longStrKey\":\"987654321098765432\","+
"\"doubleKey\":-23.45e7,"+
"\"doubleStrKey\":\"00001.000\","+
"\"BigDecimalStrKey\":\"19007199254740993.35481234487103587486413587843213584\","+
"\"negZeroKey\":-0.0,"+
"\"negZeroStrKey\":\"-0.0\","+
"\"arrayKey\":[0,1,2],"+
"\"objectKey\":{\"myKey\":\"myVal\"}"+
"}";
JSONObject jsonObject = new JSONObject(str);
assertTrue("trueKey should be true", jsonObject.getBoolean("trueKey"));
assertTrue("opt trueKey should be true", jsonObject.optBoolean("trueKey"));
assertTrue("falseKey should be false", !jsonObject.getBoolean("falseKey"));
assertTrue("trueStrKey should be true", jsonObject.getBoolean("trueStrKey"));
assertTrue("trueStrKey should be true", jsonObject.optBoolean("trueStrKey"));
assertTrue("falseStrKey should be false", !jsonObject.getBoolean("falseStrKey"));
assertTrue("stringKey should be string",
jsonObject.getString("stringKey").equals("hello world!"));
assertTrue("doubleKey should be double",
jsonObject.getDouble("doubleKey") == -23.45e7);
assertTrue("doubleStrKey should be double",
jsonObject.getDouble("doubleStrKey") == 1);
assertTrue("doubleKey can be float",
jsonObject.getFloat("doubleKey") == -23.45e7f);
assertTrue("doubleStrKey can be float",
jsonObject.getFloat("doubleStrKey") == 1f);
assertTrue("opt doubleKey should be double",
jsonObject.optDouble("doubleKey") == -23.45e7);
assertTrue("opt doubleKey with Default should be double",
jsonObject.optDouble("doubleStrKey", Double.NaN) == 1);
assertTrue("opt negZeroKey should be a Double",
jsonObject.opt("negZeroKey") instanceof Double);
assertTrue("get negZeroKey should be a Double",
jsonObject.get("negZeroKey") instanceof Double);
assertTrue("optNumber negZeroKey should return Double",
jsonObject.optNumber("negZeroKey") instanceof Double);
assertTrue("optNumber negZeroStrKey should return Double",
jsonObject.optNumber("negZeroStrKey") instanceof Double);
assertTrue("opt negZeroKey should be double",
Double.compare(jsonObject.optDouble("negZeroKey"), -0.0d) == 0);
assertTrue("opt negZeroStrKey with Default should be double",
Double.compare(jsonObject.optDouble("negZeroStrKey"), -0.0d) == 0);
assertTrue("optNumber negZeroKey should be -0.0",
Double.compare(jsonObject.optNumber("negZeroKey").doubleValue(), -0.0d) == 0);
assertTrue("optNumber negZeroStrKey should be -0.0",
Double.compare(jsonObject.optNumber("negZeroStrKey").doubleValue(), -0.0d) == 0);
assertTrue("optFloat doubleKey should be float",
jsonObject.optFloat("doubleKey") == -23.45e7f);
assertTrue("optFloat doubleKey with Default should be float",
jsonObject.optFloat("doubleStrKey", Float.NaN) == 1f);
assertTrue("intKey should be int",
jsonObject.optInt("intKey") == 42);
assertTrue("opt intKey should be int",
jsonObject.optInt("intKey", 0) == 42);
assertTrue("opt intKey with default should be int",
jsonObject.getInt("intKey") == 42);
assertTrue("intStrKey should be int",
jsonObject.getInt("intStrKey") == 43);
assertTrue("longKey should be long",
jsonObject.getLong("longKey") == 1234567890123456789L);
assertTrue("opt longKey should be long",
jsonObject.optLong("longKey") == 1234567890123456789L);
assertTrue("opt longKey with default should be long",
jsonObject.optLong("longKey", 0) == 1234567890123456789L);
assertTrue("longStrKey should be long",
jsonObject.getLong("longStrKey") == 987654321098765432L);
assertTrue("optNumber int should return Integer",
jsonObject.optNumber("intKey") instanceof Integer);
assertTrue("optNumber long should return Long",
jsonObject.optNumber("longKey") instanceof Long);
assertTrue("optNumber double should return BigDecimal",
jsonObject.optNumber("doubleKey") instanceof BigDecimal);
assertTrue("optNumber Str int should return Integer",
jsonObject.optNumber("intStrKey") instanceof Integer);
assertTrue("optNumber Str long should return Long",
jsonObject.optNumber("longStrKey") instanceof Long);
assertTrue("optNumber Str double should return BigDecimal",
jsonObject.optNumber("doubleStrKey") instanceof BigDecimal);
assertTrue("optNumber BigDecimalStrKey should return BigDecimal",
jsonObject.optNumber("BigDecimalStrKey") instanceof BigDecimal);
assertTrue("xKey should not exist",
jsonObject.isNull("xKey"));
assertTrue("stringKey should exist",
jsonObject.has("stringKey"));
assertTrue("opt stringKey should string",
jsonObject.optString("stringKey").equals("hello world!"));
assertTrue("opt stringKey with default should string",
jsonObject.optString("stringKey", "not found").equals("hello world!"));
JSONArray jsonArray = jsonObject.getJSONArray("arrayKey");
assertTrue("arrayKey should be JSONArray",
jsonArray.getInt(0) == 0 &&
jsonArray.getInt(1) == 1 &&
jsonArray.getInt(2) == 2);
jsonArray = jsonObject.optJSONArray("arrayKey");
assertTrue("opt arrayKey should be JSONArray",
jsonArray.getInt(0) == 0 &&
jsonArray.getInt(1) == 1 &&
jsonArray.getInt(2) == 2);
JSONObject jsonObjectInner = jsonObject.getJSONObject("objectKey");
assertTrue("objectKey should be JSONObject",
jsonObjectInner.get("myKey").equals("myVal"));
}
/**
* Check whether JSONObject handles large or high precision numbers correctly
*/
@Test
public void stringToValueNumbersTest() {
assertTrue("-0 Should be a Double!",JSONObject.stringToValue("-0") instanceof Double);
assertTrue("-0.0 Should be a Double!",JSONObject.stringToValue("-0.0") instanceof Double);
assertTrue("'-' Should be a String!",JSONObject.stringToValue("-") instanceof String);
assertTrue( "0.2 should be a Double!",
JSONObject.stringToValue( "0.2" ) instanceof BigDecimal );
assertTrue( "Doubles should be BigDecimal, even when incorrectly converting floats!",
JSONObject.stringToValue( new Double( "0.2f" ).toString() ) instanceof BigDecimal );
/**
* This test documents a need for BigDecimal conversion.
*/
Object obj = JSONObject.stringToValue( "299792.457999999984" );
assertTrue( "does not evaluate to 299792.457999999984 BigDecimal!",
obj.equals(new BigDecimal("299792.457999999984")) );
assertTrue( "1 should be an Integer!",
JSONObject.stringToValue( "1" ) instanceof Integer );
assertTrue( "Integer.MAX_VALUE should still be an Integer!",
JSONObject.stringToValue( new Integer( Integer.MAX_VALUE ).toString() ) instanceof Integer );
assertTrue( "Large integers should be a Long!",
JSONObject.stringToValue( Long.valueOf(((long)Integer.MAX_VALUE) + 1 ) .toString() ) instanceof Long );
assertTrue( "Long.MAX_VALUE should still be an Integer!",
JSONObject.stringToValue( new Long( Long.MAX_VALUE ).toString() ) instanceof Long );
String str = new BigInteger( new Long( Long.MAX_VALUE ).toString() ).add( BigInteger.ONE ).toString();
assertTrue( "Really large integers currently evaluate to BigInteger",
JSONObject.stringToValue(str).equals(new BigInteger("9223372036854775808")));
}
/**
* This test documents numeric values which could be numerically
* handled as BigDecimal or BigInteger. It helps determine what outputs
* will change if those types are supported.
*/
@Test
public void jsonValidNumberValuesNeitherLongNorIEEE754Compatible() {
// Valid JSON Numbers, probably should return BigDecimal or BigInteger objects
String str =
"{"+
"\"numberWithDecimals\":299792.457999999984,"+
"\"largeNumber\":12345678901234567890,"+
"\"preciseNumber\":0.2000000000000000111,"+
"\"largeExponent\":-23.45e2327"+
"}";
JSONObject jsonObject = new JSONObject(str);
// Comes back as a double, but loses precision
assertTrue( "numberWithDecimals currently evaluates to double 299792.458",
jsonObject.get( "numberWithDecimals" ).equals( new BigDecimal( "299792.457999999984" ) ) );
Object obj = jsonObject.get( "largeNumber" );
assertTrue("largeNumber currently evaluates to BigInteger",
new BigInteger("12345678901234567890").equals(obj));
// comes back as a double but loses precision
assertEquals( "preciseNumber currently evaluates to double 0.2",
0.2, jsonObject.getDouble( "preciseNumber" ), 0.0);
obj = jsonObject.get( "largeExponent" );
assertTrue("largeExponent should evaluate as a BigDecimal",
new BigDecimal("-23.45e2327").equals(obj));
}
/**
* This test documents how JSON-Java handles invalid numeric input.
*/
@Test
public void jsonInvalidNumberValues() {
// Number-notations supported by Java and invalid as JSON
String str =
"{"+
"\"hexNumber\":-0x123,"+
"\"tooManyZeros\":00,"+
"\"negativeInfinite\":-Infinity,"+
"\"negativeNaN\":-NaN,"+
"\"negativeFraction\":-.01,"+