package org.json.junit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.io.StringWriter;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONPointerException;
import org.junit.Test;
import com.jayway.jsonpath.Configuration;
import com.jayway.jsonpath.JsonPath;
/**
* Tests for JSON-Java JSONArray.java
*/
public class JSONArrayTest {
private final String arrayStr =
"["+
"true,"+
"false,"+
"\"true\","+
"\"false\","+
"\"hello\","+
"23.45e-4,"+
"\"23.45\","+
"42,"+
"\"43\","+
"["+
"\"world\""+
"],"+
"{"+
"\"key1\":\"value1\","+
"\"key2\":\"value2\","+
"\"key3\":\"value3\","+
"\"key4\":\"value4\""+
"},"+
"0,"+
"\"-1\""+
"]";
/**
* Tests that the similar method is working as expected.
*/
@Test
public void verifySimilar() {
final String string1 = "HasSameRef";
JSONArray obj1 = new JSONArray()
.put("abc")
.put(string1)
.put(2);
JSONArray obj2 = new JSONArray()
.put("abc")
.put(string1)
.put(3);
JSONArray obj3 = new JSONArray()
.put("abc")
.put(new String(string1))
.put(2);
assertFalse("Should eval to false", obj1.similar(obj2));
assertTrue("Should eval to true", obj1.similar(obj3));
}
/**
* Attempt to create a JSONArray with a null string.
* Expects a NullPointerException.
*/
@Test(expected=NullPointerException.class)
public void nullException() {
String str = null;
assertNull("Should throw an exception", new JSONArray(str));
}
/**
* Attempt to create a JSONArray with an empty string.
* Expects a JSONException.
*/
@Test
public void emptStr() {
String str = "";
try {
assertNull("Should throw an exception", new JSONArray(str));
} catch (JSONException e) {
assertEquals("Expected an exception message",
"A JSONArray text must start with '[' at 0 [character 1 line 1]",
e.getMessage());
}
}
/**
* Attempt to create a JSONArray with an unclosed array.
* Expects an exception
*/
@Test
public void unclosedArray() {
try {
assertNull("Should throw an exception", new JSONArray("["));
} catch (JSONException e) {
assertEquals("Expected an exception message",
"Expected a ',' or ']' at 1 [character 2 line 1]",
e.getMessage());
}
}
/**
* Attempt to create a JSONArray with an unclosed array.
* Expects an exception
*/
@Test
public void unclosedArray2() {
try {
assertNull("Should throw an exception", new JSONArray("[\"test\""));
} catch (JSONException e) {
assertEquals("Expected an exception message",
"Expected a ',' or ']' at 7 [character 8 line 1]",
e.getMessage());
}
}
/**
* Attempt to create a JSONArray with an unclosed array.
* Expects an exception
*/
@Test
public void unclosedArray3() {
try {
assertNull("Should throw an exception", new JSONArray("[\"test\","));
} catch (JSONException e) {
assertEquals("Expected an exception message",
"Expected a ',' or ']' at 8 [character 9 line 1]",
e.getMessage());
}
}
/**
* Attempt to create a JSONArray with a string as object that is
* not a JSON array doc.
* Expects a JSONException.
*/
@Test
public void badObject() {
String str = "abc";
try {
assertNull("Should throw an exception", new JSONArray((Object)str));
} catch (JSONException e) {
assertTrue("Expected an exception message",
"JSONArray initial value should be a string or collection or array.".
equals(e.getMessage()));
}
}
/**
* Verifies that the constructor has backwards compatibility with RAW types pre-java5.
*/
@Test
public void verifyConstructor() {
final JSONArray expected = new JSONArray("[10]");
@SuppressWarnings("rawtypes")
Collection myRawC = Collections.singleton(Integer.valueOf(10));
JSONArray jaRaw = new JSONArray(myRawC);
Collection<Integer> myCInt = Collections.singleton(Integer.valueOf(10));
JSONArray jaInt = new JSONArray(myCInt);
Collection<Object> myCObj = Collections.singleton((Object) Integer
.valueOf(10));
JSONArray jaObj = new JSONArray(myCObj);
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(jaInt));
assertTrue(
"The RAW Collection should give me the same as the Typed Collection",
expected.similar(jaObj));
}
/**
* Verifies that the put Collection has backwards compatibility with RAW types pre-java5.
*/
@Test
public void verifyPutCollection() {
final JSONArray expected = new JSONArray("[[10]]");
@SuppressWarnings("rawtypes")
Collection myRawC = Collections.singleton(Integer.valueOf(10));
JSONArray jaRaw = new JSONArray();
jaRaw.put(myRawC);
Collection<Object> myCObj = Collections.singleton((Object) Integer
.valueOf(10));
JSONArray jaObj = new JSONArray();
jaObj.put(myCObj);
Collection<Integer> myCInt = Collections.singleton(Integer.valueOf(10));
JSONArray jaInt = new JSONArray();
jaInt.put(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 JSONArray expected = new JSONArray("[{\"myKey\":10}]");
@SuppressWarnings("rawtypes")
Map myRawC = Collections.singletonMap("myKey", Integer.valueOf(10));
JSONArray jaRaw = new JSONArray();
jaRaw.put(myRawC);
Map<String, Object> myCStrObj = Collections.singletonMap("myKey",
(Object) Integer.valueOf(10));
JSONArray jaStrObj = new JSONArray();
jaStrObj.put(myCStrObj);
Map<String, Integer> myCStrInt = Collections.singletonMap("myKey",
Integer.valueOf(10));
JSONArray jaStrInt = new JSONArray();
jaStrInt.put(myCStrInt);
Map<?, ?> myCObjObj = Collections.singletonMap((Object) "myKey",
(Object) Integer.valueOf(10));
JSONArray jaObjObj = new JSONArray();
jaObjObj.put(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));
}
/**
* Create a JSONArray doc with a variety of different elements.
* Confirm that the values can be accessed via the get[type]() API methods
*/
@SuppressWarnings("boxing")
@Test
public void getArrayValues() {
JSONArray jsonArray = new JSONArray(this.arrayStr);
// booleans
assertTrue("Array true",
true == jsonArray.getBoolean(0));
assertTrue("Array false",
false == jsonArray.getBoolean(1));
assertTrue("Array string true",
true == jsonArray.getBoolean(2));
assertTrue("Array string false",
false == jsonArray.getBoolean(3));
// strings
assertTrue("Array value string",
"hello".equals(jsonArray.getString(4)));
// doubles
assertTrue("Array double",
new Double(23.45e-4).equals(jsonArray.getDouble(5)));
assertTrue("Array string double",
new Double(23.45).equals(jsonArray.getDouble(6)));
// ints
assertTrue("Array value int",
new Integer(42).equals(jsonArray.getInt(7)));
assertTrue("Array value string int",
new Integer(43).equals(jsonArray.getInt(8)));
// nested objects
JSONArray nestedJsonArray = jsonArray.getJSONArray(9);
assertTrue("Array value JSONArray", nestedJsonArray != null);
JSONObject nestedJsonObject = jsonArray.getJSONObject(10);
assertTrue("Array value JSONObject", nestedJsonObject != null);
// longs
assertTrue("Array value long",
new Long(0).equals(jsonArray.getLong(11)));
assertTrue("Array value string long",
new Long(-1).equals(jsonArray.getLong(12)));
assertTrue("Array value null", jsonArray.isNull(-1));
}
/**
* Create a JSONArray doc with a variety of different elements.
* Confirm that attempting to get the wrong types via the get[type]()
* API methods result in JSONExceptions
*/
@Test
public void failedGetArrayValues() {
JSONArray jsonArray = new JSONArray(this.arrayStr);
try {
jsonArray.getBoolean(4);
assertTrue("expected getBoolean to fail", false);
} catch (JSONException e) {
assertEquals("Expected an exception message",
"JSONArray[4] is not a boolean.",e.getMessage());
}
try {
jsonArray.get(-1);
assertTrue("expected get to fail", false);
} catch (JSONException e) {
assertEquals("Expected an exception message",
"JSONArray[-1] not found.",e.getMessage());
}
try {
jsonArray.getDouble(4);
assertTrue("expected getDouble to fail", false);
} catch (JSONException e) {
assertEquals("Expected an exception message",
"JSONArray[4] is not a double.",e.getMessage());
}
try {
jsonArray.getInt(4);
assertTrue("expected getInt to fail", false);
} catch (JSONException e) {
assertEquals("Expected an exception message",
"JSONArray[4] is not a int.",e.getMessage());
}
try {
jsonArray.getJSONArray(4);
assertTrue("expected getJSONArray to fail", false);
} catch (JSONException e) {
assertEquals("Expected an exception message",
"JSONArray[4] is not a JSONArray.",e.getMessage());
}
try {
jsonArray.getJSONObject(4);
assertTrue("expected getJSONObject to fail", false);
} catch (JSONException e) {
assertEquals("Expected an exception message",
"JSONArray[4] is not a JSONObject.",e.getMessage());
}
try {
jsonArray.getLong(4);
assertTrue("expected getLong to fail", false);
} catch (JSONException e) {
assertEquals("Expected an exception message",
"JSONArray[4] is not a long.",e.getMessage());
}
try {
jsonArray.getString(5);
assertTrue("expected getString to fail", false);
} catch (JSONException e) {
assertEquals("Expected an exception message",
"JSONArray[5] is not a String.",e.getMessage());
}
}
/**
* Exercise JSONArray.join() by converting a JSONArray into a
* comma-separated string. Since this is very nearly a JSON document,
* array braces are added to the beginning and end prior to validation.
*/
@Test
public void join() {
JSONArray jsonArray = new JSONArray(this.arrayStr);
String joinStr = jsonArray.join(",");
// validate JSON
/**
* Don't need to remake the JSONArray to perform the parsing
*/
Object doc = Configuration.defaultConfiguration().jsonProvider().parse("["+joinStr+"]");
assertTrue("expected 13 items in top level object", ((List<?>)(JsonPath.read(doc, "$"))).size() == 13);
assertTrue("expected true", Boolean.TRUE.equals(jsonArray.query("/0")));
assertTrue("expected false", Boolean.FALSE.equals(jsonArray.query("/1")));
assertTrue("expected \"true\"", "true".equals(jsonArray.query("/2")));
assertTrue("expected \"false\"", "false".equals(jsonArray.query("/3")));
assertTrue("expected hello", "hello".equals(jsonArray.query("/4")));
assertTrue("expected 0.002345", Double.valueOf(0.002345).equals(jsonArray.query("/5")));
assertTrue("expected \"23.45\"", "23.45".equals(jsonArray.query("/6")));
assertTrue("expected 42", Integer.valueOf(42).equals(jsonArray.query("/7")));
assertTrue("expected \"43\"", "43".equals(jsonArray.query("/8")));
assertTrue("expected 1 item in [9]", ((List<?>)(JsonPath.read(doc, "$[9]"))).size() == 1);
assertTrue("expected world", "world".equals(jsonArray.query("/9/0")));
assertTrue("expected 4 items in [10]", ((Map<?,?>)(JsonPath.read(doc, "$[10]"))).size() == 4);
assertTrue("expected value1", "value1".equals(jsonArray.query("/10/key1")));
assertTrue("expected value2", "value2".equals(jsonArray.query("/10/key2")));
assertTrue("expected value3", "value3".equals(jsonArray.query("/10/key3")));
assertTrue("expected value4", "value4".equals(jsonArray.query("/10/key4")));
assertTrue("expected 0", Integer.valueOf(0).equals(jsonArray.query("/11")));
assertTrue("expected \"-1\"", "-1".equals(jsonArray.query("/12")));
}
/**
* Confirm the JSONArray.length() method
*/
@Test
public void length() {
assertTrue("expected empty JSONArray length 0",
new JSONArray().length() == 0);
JSONArray jsonArray = new JSONArray(this.arrayStr);
assertTrue("expected JSONArray length 13. instead found "+jsonArray.length(), jsonArray.length() == 13);
JSONArray nestedJsonArray = jsonArray.getJSONArray(9);
assertTrue("expected JSONArray length 1", nestedJsonArray.length() == 1);
}
/**
* Create a JSONArray doc with a variety of different elements.
* Confirm that the values can be accessed via the opt[type](index)
* and opt[type](index, default) API methods.
*/
@SuppressWarnings("boxing")
@Test
public void opt() {
JSONArray jsonArray = new JSONArray(this.arrayStr);
assertTrue("Array opt value true",
Boolean.TRUE == jsonArray.opt(0));
assertTrue("Array opt value out of range",
null == jsonArray.opt(-1));
assertTrue("Array opt value out of range",
null == jsonArray.opt(jsonArray.length()));
assertTrue("Array opt boolean",
Boolean.TRUE == jsonArray.optBoolean(0));
assertTrue("Array opt boolean default",
Boolean.FALSE == jsonArray.optBoolean(-1, Boolean.FALSE));
assertTrue("Array opt boolean implicit default",
Boolean.FALSE == jsonArray.optBoolean(-1));
assertTrue("Array opt double",
new Double(23.45e-4).equals(jsonArray.optDouble(5)));
assertTrue("Array opt double default",
new Double(1).equals(jsonArray.optDouble(0, 1)));
assertTrue("Array opt double default implicit",
new Double(jsonArray.optDouble(99)).isNaN());
assertTrue("Array opt float",
new Float(23.45e-4).equals(jsonArray.optFloat(5)));
assertTrue("Array opt float default",
new Float(1).equals(jsonArray.optFloat(0, 1)));
assertTrue("Array opt float default implicit",
new Float(jsonArray.optFloat(99)).isNaN());
assertTrue("Array opt Number",
new Double(23.45e-4).equals(jsonArray.optNumber(5)));
assertTrue("Array opt Number default",
new Double(1).equals(jsonArray.optNumber(0, 1d)));
assertTrue("Array opt Number default implicit",
new Double(jsonArray.optNumber(99,Double.NaN).doubleValue()).isNaN());
assertTrue("Array opt int",
new Integer(42).equals(jsonArray.optInt(7)));
assertTrue("Array opt int default",
new Integer(-1).equals(jsonArray.optInt(0, -1)));
assertTrue("Array opt int default implicit",
0 == jsonArray.optInt(0));
JSONArray nestedJsonArray = jsonArray.optJSONArray(9);
assertTrue("Array opt JSONArray", nestedJsonArray != null);
assertTrue("Array opt JSONArray default",
null == jsonArray.optJSONArray(99));
JSONObject nestedJsonObject = jsonArray.optJSONObject(10);
assertTrue("Array opt JSONObject", nestedJsonObject != null);
assertTrue("Array opt JSONObject default",
null == jsonArray.optJSONObject(99));
assertTrue("Array opt long",
0 == jsonArray.optLong(11));
assertTrue("Array opt long default",
-2 == jsonArray.optLong(-1, -2));
assertTrue("Array opt long default implicit",
0 == jsonArray.optLong(-1));
assertTrue("Array opt string",
"hello".equals(jsonArray.optString(4)));
assertTrue("Array opt string default implicit",
"".equals(jsonArray.optString(-1)));
}
/**
* Verifies that the opt methods properly convert string values.
*/
@Test
public void optStringConversion(){
JSONArray ja = new JSONArray("[\"123\",\"true\",\"false\"]");
assertTrue("unexpected optBoolean value",ja.optBoolean(1,false)==true);
assertTrue("unexpected optBoolean value",ja.optBoolean(2,true)==false);
assertTrue("unexpected optInt value",ja.optInt(0,0)==123);
assertTrue("unexpected optLong value",ja.optLong(0,0)==123);
assertTrue("unexpected optDouble value",ja.optDouble(0,0.0)==123.0);
assertTrue("unexpected optBigInteger value",ja.optBigInteger(0,BigInteger.ZERO).compareTo(new BigInteger("123"))==0);
assertTrue("unexpected optBigDecimal value",ja.optBigDecimal(0,BigDecimal.ZERO).compareTo(new BigDecimal("123"))==0); }
/**
* Exercise the JSONArray.put(value) method with various parameters
* and confirm the resulting JSONArray.
*/
@SuppressWarnings("boxing")
@Test
public void put() {
JSONArray jsonArray = new JSONArray();
// index 0
jsonArray.put(true);
// 1
jsonArray.put(false);
String jsonArrayStr =
"["+
"hello,"+
"world"+
"]";
// 2
jsonArray.put(new JSONArray(jsonArrayStr));
// 3
jsonArray.put(2.5);
// 4
jsonArray.put(1);
// 5
jsonArray.put(45L);
// 6
jsonArray.put("objectPut");
String jsonObjectStr =
"{"+
"\"key10\":\"val10\","+
"\"key20\":\"val20\","+
"\"key30\":\"val30\""+
"}";
JSONObject jsonObject = new JSONObject(jsonObjectStr);
// 7
jsonArray.put(jsonObject);
Map<String, Object> map = new HashMap<String, Object>();
map.put("k1", "v1");
// 8
jsonArray.put(map);
Collection<Object> collection = new ArrayList<Object>();
collection.add(1);
collection.add(2);
// 9
jsonArray.put(collection);
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonArray.toString());
assertTrue("expected 10 top level items", ((List<?>)(JsonPath.read(doc, "$"))).size() == 10);
assertTrue("expected true", Boolean.TRUE.equals(jsonArray.query("/0")));
assertTrue("expected false", Boolean.FALSE.equals(jsonArray.query("/1")));
assertTrue("expected 2 items in [2]", ((List<?>)(JsonPath.read(doc, "$[2]"))).size() == 2);
assertTrue("expected hello", "hello".equals(jsonArray.query("/2/0")));
assertTrue("expected world", "world".equals(jsonArray.query("/2/1")));
assertTrue("expected 2.5", Double.valueOf(2.5).equals(jsonArray.query("/3")));
assertTrue("expected 1", Integer.valueOf(1).equals(jsonArray.query("/4")));
assertTrue("expected 45", Long.valueOf(45).equals(jsonArray.query("/5")));
assertTrue("expected objectPut", "objectPut".equals(jsonArray.query("/6")));
assertTrue("expected 3 items in [7]", ((Map<?,?>)(JsonPath.read(doc, "$[7]"))).size() == 3);
assertTrue("expected val10", "val10".equals(jsonArray.query("/7/key10")));
assertTrue("expected val20", "val20".equals(jsonArray.query("/7/key20")));
assertTrue("expected val30", "val30".equals(jsonArray.query("/7/key30")));
assertTrue("expected 1 item in [8]", ((Map<?,?>)(JsonPath.read(doc, "$[8]"))).size() == 1);
assertTrue("expected v1", "v1".equals(jsonArray.query("/8/k1")));
assertTrue("expected 2 items in [9]", ((List<?>)(JsonPath.read(doc, "$[9]"))).size() == 2);
assertTrue("expected 1", Integer.valueOf(1).equals(jsonArray.query("/9/0")));
assertTrue("expected 2", Integer.valueOf(2).equals(jsonArray.query("/9/1")));
}
/**
* Exercise the JSONArray.put(index, value) method with various parameters
* and confirm the resulting JSONArray.
*/
@SuppressWarnings("boxing")
@Test
public void putIndex() {
JSONArray jsonArray = new JSONArray();
// 1
jsonArray.put(1, false);
// index 0
jsonArray.put(0, true);
String jsonArrayStr =
"["+
"hello,"+
"world"+
"]";
// 2
jsonArray.put(2, new JSONArray(jsonArrayStr));
// 5
jsonArray.put(5, 45L);
// 4
jsonArray.put(4, 1);
// 3
jsonArray.put(3, 2.5);
// 6
jsonArray.put(6, "objectPut");
// 7 will be null
String jsonObjectStr =
"{"+
"\"key10\":\"val10\","+
"\"key20\":\"val20\","+
"\"key30\":\"val30\""+
"}";
JSONObject jsonObject = new JSONObject(jsonObjectStr);
jsonArray.put(8, jsonObject);
Collection<Object> collection = new ArrayList<Object>();
collection.add(1);
collection.add(2);
jsonArray.put(9,collection);
Map<String, Object> map = new HashMap<String, Object>();
map.put("k1", "v1");
jsonArray.put(10, map);
try {
jsonArray.put(-1, "abc");
assertTrue("put index < 0 should have thrown exception", false);
} catch(Exception ignored) {}
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonArray.toString());
assertTrue("expected 11 top level items", ((List<?>)(JsonPath.read(doc, "$"))).size() == 11);
assertTrue("expected true", Boolean.TRUE.equals(jsonArray.query("/0")));
assertTrue("expected false", Boolean.FALSE.equals(jsonArray.query("/1")));
assertTrue("expected 2 items in [2]", ((List<?>)(JsonPath.read(doc, "$[2]"))).size() == 2);
assertTrue("expected hello", "hello".equals(jsonArray.query("/2/0")));
assertTrue("expected world", "world".equals(jsonArray.query("/2/1")));
assertTrue("expected 2.5", Double.valueOf(2.5).equals(jsonArray.query("/3")));
assertTrue("expected 1", Integer.valueOf(1).equals(jsonArray.query("/4")));
assertTrue("expected 45", Long.valueOf(45).equals(jsonArray.query("/5")));
assertTrue("expected objectPut", "objectPut".equals(jsonArray.query("/6")));
assertTrue("expected null", JSONObject.NULL.equals(jsonArray.query("/7")));
assertTrue("expected 3 items in [8]", ((Map<?,?>)(JsonPath.read(doc, "$[8]"))).size() == 3);
assertTrue("expected val10", "val10".equals(jsonArray.query("/8/key10")));
assertTrue("expected val20", "val20".equals(jsonArray.query("/8/key20")));
assertTrue("expected val30", "val30".equals(jsonArray.query("/8/key30")));
assertTrue("expected 2 items in [9]", ((List<?>)(JsonPath.read(doc, "$[9]"))).size() == 2);
assertTrue("expected 1", Integer.valueOf(1).equals(jsonArray.query("/9/0")));
assertTrue("expected 2", Integer.valueOf(2).equals(jsonArray.query("/9/1")));
assertTrue("expected 1 item in [10]", ((Map<?,?>)(JsonPath.read(doc, "$[10]"))).size() == 1);
assertTrue("expected v1", "v1".equals(jsonArray.query("/10/k1")));
}
/**
* Exercise the JSONArray.remove(index) method
* and confirm the resulting JSONArray.
*/
@Test
public void remove() {
String arrayStr1 =
"["+
"1"+
"]";
JSONArray jsonArray = new JSONArray(arrayStr1);
jsonArray.remove(0);
assertTrue("array should be empty", null == jsonArray.remove(5));
assertTrue("jsonArray should be empty", jsonArray.isEmpty());
}
/**
* Exercise the JSONArray.similar() method with various parameters
* and confirm the results when not similar.
*/
@Test
public void notSimilar() {
String arrayStr1 =
"["+
"1"+
"]";
JSONArray jsonArray = new JSONArray(arrayStr1);
JSONArray otherJsonArray = new JSONArray();
assertTrue("arrays lengths differ", !jsonArray.similar(otherJsonArray));
JSONObject jsonObject = new JSONObject("{\"k1\":\"v1\"}");
JSONObject otherJsonObject = new JSONObject();
jsonArray = new JSONArray();
jsonArray.put(jsonObject);
otherJsonArray = new JSONArray();
otherJsonArray.put(otherJsonObject);
assertTrue("arrays JSONObjects differ", !jsonArray.similar(otherJsonArray));
JSONArray nestedJsonArray = new JSONArray("[1, 2]");
JSONArray otherNestedJsonArray = new JSONArray();
jsonArray = new JSONArray();
jsonArray.put(nestedJsonArray);
otherJsonArray = new JSONArray();
otherJsonArray.put(otherNestedJsonArray);
assertTrue("arrays nested JSONArrays differ",
!jsonArray.similar(otherJsonArray));
jsonArray = new JSONArray();
jsonArray.put("hello");
otherJsonArray = new JSONArray();
otherJsonArray.put("world");
assertTrue("arrays values differ",
!jsonArray.similar(otherJsonArray));
}
/**
* Exercise JSONArray toString() method with various indent levels.
*/
@Test
public void jsonArrayToStringIndent() {
String jsonArray0Str =
"[" +
"[1,2," +
"{\"key3\":true}" +
"]," +
"{\"key1\":\"val1\",\"key2\":" +
"{\"key2\":\"val2\"}" +
"}," +
"[" +
"[1,2.1]" +
"," +
"[null]" +
"]" +
"]";
String jsonArray1Str =
"[\n" +
" [\n" +
" 1,\n" +
" 2,\n" +
" {\"key3\": true}\n" +
" ],\n" +
" {\n" +
" \"key1\": \"val1\",\n" +
" \"key2\": {\"key2\": \"val2\"}\n" +
" },\n" +
" [\n" +
" [\n" +
" 1,\n" +
" 2.1\n" +
" ],\n" +
" [null]\n" +
" ]\n" +
"]";
String jsonArray4Str =
"[\n" +
" [\n" +
" 1,\n" +
" 2,\n" +
" {\"key3\": true}\n" +
" ],\n" +
" {\n" +
" \"key1\": \"val1\",\n" +
" \"key2\": {\"key2\": \"val2\"}\n" +
" },\n" +
" [\n" +
" [\n" +
" 1,\n" +
" 2.1\n" +
" ],\n" +
" [null]\n" +
" ]\n" +
"]";
JSONArray jsonArray = new JSONArray(jsonArray0Str);
assertEquals(jsonArray0Str, jsonArray.toString());
assertEquals(jsonArray0Str, jsonArray.toString(0));
assertEquals(jsonArray1Str, jsonArray.toString(1));
assertEquals(jsonArray4Str, jsonArray.toString(4));
}
/**
* Convert an empty JSONArray to JSONObject
*/
@Test
public void toJSONObject() {
JSONArray names = new JSONArray();
JSONArray jsonArray = new JSONArray();
assertTrue("toJSONObject should return null",
null == jsonArray.toJSONObject(names));
}
/**
* Confirm the creation of a JSONArray from an array of ints
*/
@Test
public void objectArrayVsIsArray() {
int[] myInts = { 1, 2, 3, 4, 5, 6, 7 };
Object myObject = myInts;
JSONArray jsonArray = new JSONArray(myObject);
// validate JSON
Object doc = Configuration.defaultConfiguration().jsonProvider().parse(jsonArray.toString());
assertTrue("expected 7 top level items", ((List<?>)(JsonPath.read(doc, "$"))).size() == 7);
assertTrue("expected 1", Integer.valueOf(1).equals(jsonArray.query("/0")));
assertTrue("expected 2", Integer.valueOf(2).equals(jsonArray.query("/1")));
assertTrue("expected 3", Integer.valueOf(3).equals(jsonArray.query("/2")));
assertTrue("expected 4", Integer.valueOf(4).equals(jsonArray.query("/3")));
assertTrue("expected 5", Integer.valueOf(5).equals(jsonArray.query("/4")));
assertTrue("expected 6", Integer.valueOf(6).equals(jsonArray.query("/5")));
assertTrue("expected 7", Integer.valueOf(7).equals(jsonArray.query("/6")));
}
/**
* Exercise the JSONArray iterator.
*/
@SuppressWarnings("boxing")
@Test
public void iterator() {
JSONArray jsonArray = new JSONArray(this.arrayStr);
Iterator<Object> it = jsonArray.iterator();
assertTrue("Array true",
Boolean.TRUE.equals(it.next()));
assertTrue("Array false",
Boolean.FALSE.equals(it.next()));
assertTrue("Array string true",
"true".equals(it.next()));
assertTrue("Array string false",
"false".equals(it.next()));
assertTrue("Array string",
"hello".equals(it.next()));
assertTrue("Array double",
new Double(23.45e-4).equals(it.next()));
assertTrue("Array string double",
new Double(23.45).equals(Double.parseDouble((String)it.next())));
assertTrue("Array value int",
new Integer(42).equals(it.next()));
assertTrue("Array value string int",
new Integer(43).equals(Integer.parseInt((String)it.next())));
JSONArray nestedJsonArray = (JSONArray)it.next();
assertTrue("Array value JSONArray", nestedJsonArray != null);
JSONObject nestedJsonObject = (JSONObject)it.next();
assertTrue("Array value JSONObject", nestedJsonObject != null);
assertTrue("Array value long",
new Long(0).equals(((Number) it.next()).longValue()));
assertTrue("Array value string long",
new Long(-1).equals(Long.parseLong((String) it.next())));
assertTrue("should be at end of array", !it.hasNext());
}
@Test(expected = JSONPointerException.class)
public void queryWithNoResult() {
new JSONArray().query("/a/b");
}
@Test
public void optQueryWithNoResult() {
assertNull(new JSONArray().optQuery("/a/b"));
}
@Test(expected = IllegalArgumentException.class)
public void optQueryWithSyntaxError() {
new JSONArray().optQuery("invalid");
}
/**
* Exercise the JSONArray write() method
*/
@Test
public void write() throws IOException {
String str = "[\"value1\",\"value2\",{\"key1\":1,\"key2\":2,\"key3\":3}]";
JSONArray jsonArray = new JSONArray(str);
String expectedStr = str;
StringWriter stringWriter = new StringWriter();
try {
jsonArray.write(stringWriter);
String actualStr = stringWriter.toString();
assertTrue("write() expected " + expectedStr +
" but found " + actualStr,
expectedStr.equals(actualStr));
} finally {
stringWriter.close();
}
}
/**
* Exercise the JSONArray write() method using Appendable.
*/
/*
@Test
public void writeAppendable() {
String str = "[\"value1\",\"value2\",{\"key1\":1,\"key2\":2,\"key3\":3}]";
JSONArray jsonArray = new JSONArray(str);
String expectedStr = str;
StringBuilder stringBuilder = new StringBuilder();
Appendable appendable = jsonArray.write(stringBuilder);
String actualStr = appendable.toString();
assertTrue("write() expected " + expectedStr +
" but found " + actualStr,
expectedStr.equals(actualStr));
}
*/
/**
* Exercise the JSONArray write(Writer, int, int) method
*/
@Test
public void write3Param() throws IOException {
String str0 = "[\"value1\",\"value2\",{\"key1\":1,\"key2\":false,\"key3\":3.14}]";
String str2 =
"[\n" +
" \"value1\",\n" +
" \"value2\",\n" +
" {\n" +
" \"key1\": 1,\n" +
" \"key2\": false,\n" +
" \"key3\": 3.14\n" +
" }\n" +
" ]";
JSONArray jsonArray = new JSONArray(str0);
String expectedStr = str0;
StringWriter stringWriter = new StringWriter();
try {
String actualStr = jsonArray.write(stringWriter, 0, 0).toString();
assertEquals(expectedStr, actualStr);
} finally {
stringWriter.close();
}
stringWriter = new StringWriter();
try {
expectedStr = str2;
String actualStr = jsonArray.write(stringWriter, 2, 1).toString();
assertEquals(expectedStr, actualStr);
} finally {
stringWriter.close();
}
}
/**
* Exercise the JSONArray write(Appendable, int, int) method
*/
/*
@Test
public void write3ParamAppendable() {
String str0 = "[\"value1\",\"value2\",{\"key1\":1,\"key2\":false,\"key3\":3.14}]";
String str2 =
"[\n" +
" \"value1\",\n" +
" \"value2\",\n" +
" {\n" +
" \"key1\": 1,\n" +
" \"key2\": false,\n" +
" \"key3\": 3.14\n" +
" }\n" +
" ]";
JSONArray jsonArray = new JSONArray(str0);
String expectedStr = str0;
StringBuilder stringBuilder = new StringBuilder();
Appendable appendable = jsonArray.write(stringBuilder, 0, 0);
String actualStr = appendable.toString();
assertEquals(expectedStr, actualStr);
expectedStr = str2;
stringBuilder = new StringBuilder();
appendable = jsonArray.write(stringBuilder, 2, 1);
actualStr = appendable.toString();
assertEquals(expectedStr, actualStr);
}
*/
/**
* Exercise JSONArray toString() method with various indent levels.
*/
@Test
public void toList() {
String jsonArrayStr =
"[" +
"[1,2," +
"{\"key3\":true}" +
"]," +
"{\"key1\":\"val1\",\"key2\":" +
"{\"key2\":null}," +
"\"key3\":42,\"key4\":[]" +
"}," +
"[" +
"[\"value1\",2.1]" +
"," +
"[null]" +
"]" +
"]";
JSONArray jsonArray = new JSONArray(jsonArrayStr);
List<?> list = jsonArray.toList();
assertTrue("List should not be null", list != null);
assertTrue("List should have 3 elements", list.size() == 3);
List<?> val1List = (List<?>) list.get(0);
assertTrue("val1 should not be null", val1List != null);
assertTrue("val1 should have 3 elements", val1List.size() == 3);
assertTrue("val1 value 1 should be 1", val1List.get(0).equals(Integer.valueOf(1)));
assertTrue("val1 value 2 should be 2", val1List.get(1).equals(Integer.valueOf(2)));
Map<?,?> key1Value3Map = (Map<?,?>)val1List.get(2);
assertTrue("Map should not be null", key1Value3Map != null);
assertTrue("Map should have 1 element", key1Value3Map.size() == 1);
assertTrue("Map key3 should be true", key1Value3Map.get("key3").equals(Boolean.TRUE));
Map<?,?> val2Map = (Map<?,?>) list.get(1);
assertTrue("val2 should not be null", val2Map != null);
assertTrue("val2 should have 4 elements", val2Map.size() == 4);
assertTrue("val2 map key 1 should be val1", val2Map.get("key1").equals("val1"));
assertTrue("val2 map key 3 should be 42", val2Map.get("key3").equals(Integer.valueOf(42)));
Map<?,?> val2Key2Map = (Map<?,?>)val2Map.get("key2");
assertTrue("val2 map key 2 should not be null", val2Key2Map != null);
assertTrue("val2 map key 2 should have an entry", val2Key2Map.containsKey("key2"));
assertTrue("val2 map key 2 value should be null", val2Key2Map.get("key2") == null);
List<?> val2Key4List = (List<?>)val2Map.get("key4");
assertTrue("val2 map key 4 should not be null", val2Key4List != null);
assertTrue("val2 map key 4 should be empty", val2Key4List.isEmpty());
List<?> val3List = (List<?>) list.get(2);
assertTrue("val3 should not be null", val3List != null);
assertTrue("val3 should have 2 elements", val3List.size() == 2);
List<?> val3Val1List = (List<?>)val3List.get(0);
assertTrue("val3 list val 1 should not be null", val3Val1List != null);
assertTrue("val3 list val 1 should have 2 elements", val3Val1List.size() == 2);
assertTrue("val3 list val 1 list element 1 should be value1", val3Val1List.get(0).equals("value1"));
assertTrue("val3 list val 1 list element 2 should be 2.1", val3Val1List.get(1).equals(Double.valueOf("2.1")));
List<?> val3Val2List = (List<?>)val3List.get(1);
assertTrue("val3 list val 2 should not be null", val3Val2List != null);
assertTrue("val3 list val 2 should have 1 element", val3Val2List.size() == 1);
assertTrue("val3 list val 2 list element 1 should be null", val3Val2List.get(0) == null);
// assert that toList() is a deep copy
jsonArray.getJSONObject(1).put("key1", "still val1");
assertTrue("val2 map key 1 should be val1", val2Map.get("key1").equals("val1"));
// assert that the new list is mutable
assertTrue("Removing an entry should succeed", list.remove(2) != null);
assertTrue("List should have 2 elements", list.size() == 2);
}
}
