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1440 lines (1348 loc) · 40.3 KB
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/*
* File: TestJSONArray.java Author: JSON.org
*/
package org.json.tests;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONString;
import org.junit.Before;
import junit.framework.TestCase;
/**
* The Class TestJSONArray.
*/
public class TestJSONArray extends TestCase
{
/** The jsonarray. */
private JSONArray jsonarray;
/** The string. */
private String string;
/*
* (non-Javadoc)
*
* @see junit.framework.TestCase#setUp()
*/
@Override
@Before
public void setUp()
{
jsonarray = new JSONArray();
string = "";
}
/**
* The Class testObject.
*/
public class testObject
{
//Do Nothing
}
/**
* Tests the jsonArray method using int with leading zeros.
*/
public static void testJsonArray_IntWithLeadingZeros()
{
JSONArray jsonarray;
String string;
try
{
string = "[001122334455]";
jsonarray = new JSONArray(string);
assertEquals("[1122334455]", jsonarray.toString());
} catch (Exception e)
{
fail(e.toString());
}
}
/**
* Tests the jsonArray method using scintific notation.
*/
public static void testJsonArray_ScintificNotation()
{
JSONArray jsonarray;
String string;
try
{
string = "[666e666]";
jsonarray = new JSONArray(string);
assertEquals("[\"666e666\"]", jsonarray.toString());
} catch (Exception e)
{
fail(e.toString());
}
}
/**
* Tests the jsonArray method using double with leading and trailing zeros.
*/
public static void testJsonArray_DoubleWithLeadingAndTrailingZeros()
{
JSONArray jsonarray;
String string;
try
{
string = "[00.10]";
jsonarray = new JSONArray(string);
assertEquals("[0.1]", jsonarray.toString());
} catch (Exception e)
{
fail(e.toString());
}
}
/**
* Tests the constructor method using missing value.
*/
public void testConstructor_MissingValue()
{
try
{
jsonarray = new JSONArray("[\n\r\n\r}");
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("Missing value at 5 [character 0 line 4]",
jsone.getMessage());
}
}
/**
* Tests the constructor method using nan.
*/
public void testConstructor_Nan()
{
try
{
jsonarray = new JSONArray();
jsonarray.put(Double.NaN);
jsonarray.toString();
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("JSON does not allow non-finite numbers.",
jsone.getMessage());
}
}
/**
* Tests the constructor method using negative infinity.
*/
public void testConstructor_NegativeInfinity()
{
try
{
jsonarray = new JSONArray();
jsonarray.put(Double.NEGATIVE_INFINITY);
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("JSON does not allow non-finite numbers.",
jsone.getMessage());
}
}
/**
* Tests the constructor method using positive infinity.
*/
public void testConstructor_PositiveInfinity()
{
try
{
jsonarray = new JSONArray();
jsonarray.put(Double.POSITIVE_INFINITY);
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("JSON does not allow non-finite numbers.",
jsone.getMessage());
}
}
/**
* Tests the put method using positive infinity.
*/
public void testPut_PositiveInfinity()
{
try
{
jsonarray = new JSONArray();
jsonarray.put(Double.POSITIVE_INFINITY);
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("JSON does not allow non-finite numbers.",
jsone.getMessage());
}
}
/**
* Tests the getDouble method using empty array.
*/
public void testGetDouble_EmptyArray()
{
try
{
jsonarray.getDouble(0);
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("JSONArray[0] not found.", jsone.getMessage());
}
}
/**
* Tests the get method using negative index.
*/
public void testGet_NegativeIndex()
{
try
{
jsonarray.get(-1);
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("JSONArray[-1] not found.", jsone.getMessage());
}
}
/**
* Tests the put method using nan.
*/
public void testPut_Nan()
{
try
{
jsonarray.put(Double.NaN);
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("JSON does not allow non-finite numbers.",
jsone.getMessage());
}
}
/**
* Tests the constructor method using object.
*/
public void testConstructor_Object()
{
try
{
jsonarray = new JSONArray(new Object());
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals(
"JSONArray initial value should be a string or collection or array.",
jsone.getMessage());
}
}
/**
* Tests the constructor method using bad json.
*/
public void testConstructor_BadJson()
{
try
{
string = "[)";
jsonarray = new JSONArray(string);
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("Expected a ',' or ']' at 3 [character 4 line 1]",
jsone.getMessage());
}
}
/**
* Tests the toString method using locations.
*/
public void testToString_Locations()
{
try
{
string = " [\"San Francisco\", \"New York\", \"Seoul\", \"London\", \"Seattle\", \"Shanghai\"]";
jsonarray = new JSONArray(string);
assertEquals(
"[\"San Francisco\",\"New York\",\"Seoul\",\"London\",\"Seattle\",\"Shanghai\"]",
jsonarray.toString());
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the constructor method using collection.
*/
public void testConstructor_Collection()
{
Collection<String> stringCol = new Stack<String>();
stringCol.add("string1");
stringCol.add("string2");
stringCol.add("string3");
stringCol.add("string4");
jsonarray = new JSONArray(stringCol);
assertEquals("[\"string1\",\"string2\",\"string3\",\"string4\"]",
jsonarray.toString());
}
/**
* Tests the constructor method using null collection.
*/
public void testConstructor_NullCollection()
{
Collection<String> stringCol = null;
jsonarray = new JSONArray(stringCol);
assertEquals("[]", jsonarray.toString());
}
/**
* Tests the constructor method using string array.
*/
public void testConstructor_StringArray()
{
try
{
jsonarray = new JSONArray(new String[]
{
"string1", "string2"
});
assertEquals("[\"string1\",\"string2\"]", jsonarray.toString());
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the opt method.
*/
public void testOpt()
{
try
{
jsonarray = new JSONArray(new String[]
{
"string1", "string2"
});
assertEquals("string1", jsonarray.opt(0));
assertEquals("string2", jsonarray.opt(1));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the toString method using exception.
*/
public void testToString_Exception()
{
class BadJsonString implements JSONString
{
/*
* (non-Javadoc)
*
* @see org.json.JSONString#toJSONString()
*/
@Override
public String toJSONString()
{
String[] arString = new String[]
{
"abc"
};
return arString[1];
}
}
jsonarray = new JSONArray();
jsonarray.put(new BadJsonString());
assertEquals(null, jsonarray.toString());
}
/**
* Tests the toString method using indents.
*/
public void testToString_Indents()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put(new JSONObject().put("abc", "123"));
jsonarray.put("abc");
jsonarray.put(new JSONArray().put(new JSONArray()).put(
new JSONArray().put("123").put("abc")));
assertEquals(
"[\n \"123\",\n {\"abc\": \"123\"},\n \"abc\",\n [\n [],\n [\n \"123\",\n \"abc\"\n ]\n ]\n]",
jsonarray.toString(4));
assertEquals("[\"123\"]", new JSONArray().put("123").toString(4));
assertEquals("[]", new JSONArray().toString(4));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the get method using invalid index.
*/
public void testGet_InvalidIndex()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.get(1);
} catch (JSONException e)
{
assertEquals("JSONArray[1] not found.", e.getMessage());
}
}
/**
* Tests the get method using valid index.
*/
public void testGet_ValidIndex()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
assertEquals("123", jsonarray.get(0));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the getBoolean method.
*/
public void testGetBoolean()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("true");
jsonarray.put("false");
jsonarray.put(true);
jsonarray.put(false);
jsonarray.put("TRUE");
jsonarray.put("FALSE");
assertTrue(jsonarray.getBoolean(0));
assertFalse(jsonarray.getBoolean(1));
assertTrue(jsonarray.getBoolean(2));
assertFalse(jsonarray.getBoolean(3));
assertTrue(jsonarray.getBoolean(4));
assertFalse(jsonarray.getBoolean(5));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the getBoolean method using non boolean.
*/
public void testGetBoolean_NonBoolean()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.getBoolean(0);
} catch (JSONException e)
{
assertEquals("JSONArray[0] is not a boolean.", e.getMessage());
}
}
/**
* Tests the optBoolean method.
*/
public void testOptBoolean()
{
jsonarray = new JSONArray();
jsonarray.put("true");
jsonarray.put("false");
jsonarray.put(true);
jsonarray.put(false);
jsonarray.put("TRUE");
jsonarray.put("FALSE");
jsonarray.put("grass");
assertTrue(jsonarray.optBoolean(0));
assertFalse(jsonarray.optBoolean(1));
assertTrue(jsonarray.optBoolean(2));
assertFalse(jsonarray.optBoolean(3));
assertTrue(jsonarray.optBoolean(4));
assertFalse(jsonarray.optBoolean(5));
assertFalse(jsonarray.optBoolean(6));
}
/**
* Tests the getInt method.
*/
public void testGetInt()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45);
jsonarray.put(-98);
assertEquals(123, jsonarray.getInt(0));
assertEquals(-12, jsonarray.getInt(1));
assertEquals(45, jsonarray.getInt(2));
assertEquals(-98, jsonarray.getInt(3));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the getInt method using non integer.
*/
public void testGetInt_NonInteger()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("abc");
jsonarray.getInt(0);
} catch (JSONException e)
{
assertEquals("JSONArray[0] is not a number.", e.getMessage());
}
}
/**
* Tests the optInt method.
*/
public void testOptInt()
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45);
jsonarray.put(-98);
jsonarray.put("abc");
assertEquals(123, jsonarray.optInt(0));
assertEquals(-12, jsonarray.optInt(1));
assertEquals(45, jsonarray.optInt(2));
assertEquals(-98, jsonarray.optInt(3));
assertEquals(0, jsonarray.optInt(4));
}
/**
* Tests the getDouble method.
*/
public void testGetDouble()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45);
jsonarray.put(-98);
jsonarray.put("123.5");
jsonarray.put("-12.87");
jsonarray.put(45.22);
jsonarray.put(-98.18);
assertEquals(123.0, jsonarray.getDouble(0));
assertEquals(-12.0, jsonarray.getDouble(1));
assertEquals(45.0, jsonarray.getDouble(2));
assertEquals(-98.0, jsonarray.getDouble(3));
assertEquals(123.5, jsonarray.getDouble(4));
assertEquals(-12.87, jsonarray.getDouble(5));
assertEquals(45.22, jsonarray.getDouble(6));
assertEquals(-98.18, jsonarray.getDouble(7));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the getDouble method using non double.
*/
public void testGetDouble_NonDouble()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("abc");
jsonarray.getDouble(0);
} catch (JSONException e)
{
assertEquals("JSONArray[0] is not a number.", e.getMessage());
}
}
/**
* Tests the optDouble method.
*/
public void testOptDouble()
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45);
jsonarray.put(-98);
jsonarray.put("123.5");
jsonarray.put("-12.87");
try
{
jsonarray.put(45.22);
jsonarray.put(-98.18);
} catch (JSONException e)
{
fail(e.getMessage());
}
assertEquals(123.0, jsonarray.optDouble(0));
assertEquals(-12.0, jsonarray.optDouble(1));
assertEquals(45.0, jsonarray.optDouble(2));
assertEquals(-98.0, jsonarray.optDouble(3));
assertEquals(123.5, jsonarray.optDouble(4));
assertEquals(-12.87, jsonarray.optDouble(5));
assertEquals(45.22, jsonarray.optDouble(6));
assertEquals(-98.18, jsonarray.optDouble(7));
assertEquals(Double.NaN, jsonarray.optDouble(8));
}
/**
* Tests the getLong method.
*/
public void testGetLong()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45L);
jsonarray.put(-98L);
assertEquals(123, jsonarray.getLong(0));
assertEquals(-12, jsonarray.getLong(1));
assertEquals(45, jsonarray.getLong(2));
assertEquals(-98, jsonarray.getLong(3));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the getLong method using non long.
*/
public void testGetLong_NonLong()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("abc");
jsonarray.getLong(0);
} catch (JSONException e)
{
assertEquals("JSONArray[0] is not a number.", e.getMessage());
}
}
/**
* Tests the optLong method.
*/
public void testOptLong()
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45L);
jsonarray.put(-98L);
assertEquals(123, jsonarray.optLong(0));
assertEquals(-12, jsonarray.optLong(1));
assertEquals(45, jsonarray.optLong(2));
assertEquals(-98, jsonarray.optLong(3));
assertEquals(0, jsonarray.optLong(8));
}
/**
* Tests the getString method.
*/
public void testGetString()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put("abc");
jsonarray.put("123");
assertEquals("123", jsonarray.getString(0));
assertEquals("-12", jsonarray.getString(1));
assertEquals("abc", jsonarray.getString(2));
assertEquals("123", jsonarray.getString(3));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the getString method using non string.
*/
public void testGetString_NonString()
{
try
{
jsonarray = new JSONArray();
jsonarray.put(123);
jsonarray.getString(0);
} catch (JSONException e)
{
assertEquals("JSONArray[0] not a string.", e.getMessage());
}
}
/**
* Tests the optString method.
*/
public void testOptString()
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put("abc");
jsonarray.put("123");
assertEquals("123", jsonarray.optString(0));
assertEquals("-12", jsonarray.optString(1));
assertEquals("abc", jsonarray.optString(2));
assertEquals("123", jsonarray.optString(3));
assertEquals("", jsonarray.optString(4));
}
/**
* Tests the optJSONObject method.
*/
public void testOptJSONObject()
{
try
{
jsonarray = new JSONArray();
jsonarray.put(new JSONObject().put("abc", "123"));
assertEquals("{\"abc\":\"123\"}", jsonarray.optJSONObject(0).toString());
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the optJSONObject method using non json object.
*/
public void testOptJSONObject_NonJsonObject()
{
jsonarray = new JSONArray();
jsonarray.put("123");
assertEquals(null, jsonarray.optJSONObject(0));
}
/**
* Tests the optJSONArray method.
*/
public void testOptJSONArray()
{
jsonarray = new JSONArray();
jsonarray.put(new JSONArray().put("abc"));
assertEquals("[\"abc\"]", jsonarray.optJSONArray(0).toString());
}
/**
* Tests the optJSONArray method using non json array.
*/
public void testOptJSONArray_NonJsonArray()
{
jsonarray = new JSONArray();
jsonarray.put("123");
assertEquals(null, jsonarray.optJSONArray(0));
}
/**
* Tests the isNull method.
*/
public void testIsNull()
{
jsonarray = new JSONArray();
jsonarray.put(JSONObject.NULL);
jsonarray.put("null");
assertTrue(jsonarray.isNull(0));
assertFalse(jsonarray.isNull(1));
}
/**
* Tests the writer method.
*/
public void testWriter()
{
try
{
StringWriter sw = new StringWriter();
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45);
jsonarray.put(-98);
jsonarray.put(new JSONArray().put("abc"));
jsonarray.put("-12");
jsonarray.put("abc");
jsonarray.put("123");
jsonarray.put("123");
jsonarray.put(new JSONObject().put("abc", "123"));
jsonarray.put("abc");
jsonarray.put("123");
jsonarray.write(sw);
assertEquals(
"[\"123\",\"-12\",45,-98,[\"abc\"],\"-12\",\"abc\",\"123\",\"123\",{\"abc\":\"123\"},\"abc\",\"123\"]",
sw.toString());
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the writer method using bad writer.
*/
public void testWriter_BadWriter()
{
class BadWriter extends Writer
{
/*
* (non-Javadoc)
*
* @see java.io.Writer#write(char[], int, int)
*/
@Override
public void write(char[] cbuf, int off, int len) throws IOException
{
throw new IOException("Test Message From Bad Writer");
}
/*
* (non-Javadoc)
*
* @see java.io.Writer#flush()
*/
@Override
public void flush() throws IOException
{
//Do Nothing
}
/*
* (non-Javadoc)
*
* @see java.io.Writer#close()
*/
@Override
public void close() throws IOException
{
// Do nothing
}
}
try
{
BadWriter sw = new BadWriter();
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45);
jsonarray.put(-98);
jsonarray.put(new JSONArray().put("abc"));
jsonarray.put("-12");
jsonarray.put("abc");
jsonarray.put("123");
jsonarray.put("123");
jsonarray.put(new JSONObject().put("abc", "123"));
jsonarray.put("abc");
jsonarray.put("123");
jsonarray.write(sw);
} catch (JSONException e)
{
assertEquals("Test Message From Bad Writer", e.getMessage());
}
}
/**
* Tests the put method using object and specific index.
*/
public void testPut_ObjectAndSpecificIndex()
{
try
{
testObject a = new testObject();
testObject b = new testObject();
testObject c = new testObject();
testObject d = new testObject();
jsonarray = new JSONArray();
jsonarray.put(0, a);
jsonarray.put(1, b);
assertEquals(a, jsonarray.get(0));
assertEquals(b, jsonarray.get(1));
jsonarray.put(0, c);
assertEquals(c, jsonarray.get(0));
assertEquals(b, jsonarray.get(1));
jsonarray.put(8, d);
assertEquals(d, jsonarray.get(8));
assertEquals(JSONObject.NULL, jsonarray.get(2));
assertEquals(JSONObject.NULL, jsonarray.get(3));
assertEquals(JSONObject.NULL, jsonarray.get(4));
assertEquals(JSONObject.NULL, jsonarray.get(5));
assertEquals(JSONObject.NULL, jsonarray.get(6));
assertEquals(JSONObject.NULL, jsonarray.get(7));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the put method using object and negative index.
*/
public void testPut_ObjectAndNegativeIndex()
{
try
{
testObject a = new testObject();
jsonarray = new JSONArray();
jsonarray.put(-1, a);
fail("Should have thrown exception");
} catch (JSONException e)
{
assertEquals("JSONArray[-1] not found.", e.getMessage());
}
}
/**
* Tests the toJSONObject method.
*/
public void testToJSONObject()
{
try
{
jsonarray = new JSONArray();
jsonarray.put("123");
jsonarray.put("-12");
jsonarray.put(45);
jsonarray.put(-98);
jsonarray.put(new JSONArray().put("abc"));
jsonarray.put(new JSONObject().put("abc", "123"));
JSONArray names = new JSONArray(new String[]
{
"bdd", "fdsa", "fds", "ewre", "rer", "gfs"
});
assertEquals(
"{\"gfs\":{\"abc\":\"123\"},\"fdsa\":\"-12\",\"bdd\":\"123\",\"ewre\":-98,\"rer\":[\"abc\"],\"fds\":45}",
jsonarray.toJSONObject(names).toString());
assertEquals(null, jsonarray.toJSONObject(new JSONArray()));
assertEquals(null, jsonarray.toJSONObject(null));
assertEquals(null, new JSONArray().toJSONObject(names));
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the getJSONObject method.
*/
public void testGetJSONObject()
{
try
{
jsonarray = new JSONArray();
jsonarray.put(new JSONObject().put("abc", "123"));
assertEquals("{\"abc\":\"123\"}", jsonarray.getJSONObject(0).toString());
} catch (JSONException e)
{