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TestJSONStringer.java
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275 lines (242 loc) · 8.62 KB
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/*
* File: TestJSONStringer.java
* Author: JSON.org
*/
package org.json.tests;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONString;
import org.json.JSONStringer;
import junit.framework.TestCase;
/**
* The Class TestJSONString.
*/
public class TestJSONStringer extends TestCase
{
/** The jsonobject. */
JSONObject jsonobject;
/** The jsonstringer. */
JSONStringer jsonstringer;
/** The string. */
String string;
/** The jsonarray. */
JSONArray jsonarray;
/**
* Tests the jsonString method.
*/
public void testJsonString()
{
try{
Beany beanie = new Beany("A beany object", 42, true);
jsonstringer = new JSONStringer();
string = jsonstringer.object().key("single").value("MARIE HAA'S")
.key("Johnny").value("MARIE HAA\\'S").key("foo").value("bar")
.key("baz").array().object().key("quux").value("Thanks, Josh!")
.endObject().endArray().key("obj keys")
.value(JSONObject.getNames(beanie)).endObject().toString();
assertEquals(
"{\"single\":\"MARIE HAA'S\",\"Johnny\":\"MARIE HAA\\\\'S\",\"foo\":\"bar\",\"baz\":[{\"quux\":\"Thanks, Josh!\"}],\"obj keys\":[\"aString\",\"aNumber\",\"aBoolean\"]}",
string);
assertEquals("{\"a\":[[[\"b\"]]]}", new JSONStringer().object()
.key("a").array().array().array().value("b").endArray()
.endArray().endArray().endObject().toString());
jsonstringer = new JSONStringer();
jsonstringer.array();
jsonstringer.value(1);
jsonstringer.array();
jsonstringer.value(null);
jsonstringer.array();
jsonstringer.object();
jsonstringer.key("empty-array").array().endArray();
jsonstringer.key("answer").value(42);
jsonstringer.key("null").value(null);
jsonstringer.key("false").value(false);
jsonstringer.key("true").value(true);
jsonstringer.key("big").value(123456789e+88);
jsonstringer.key("small").value(123456789e-88);
jsonstringer.key("empty-object").object().endObject();
jsonstringer.key("long");
jsonstringer.value(9223372036854775807L);
jsonstringer.endObject();
jsonstringer.value("two");
jsonstringer.endArray();
jsonstringer.value(true);
jsonstringer.endArray();
jsonstringer.value(98.6);
jsonstringer.value(-100.0);
jsonstringer.object();
jsonstringer.endObject();
jsonstringer.object();
jsonstringer.key("one");
jsonstringer.value(1.00);
jsonstringer.endObject();
jsonstringer.value(beanie);
jsonstringer.endArray();
assertEquals(
"[1,[null,[{\"empty-array\":[],\"answer\":42,\"null\":null,\"false\":false,\"true\":true,\"big\":1.23456789E96,\"small\":1.23456789E-80,\"empty-object\":{},\"long\":9223372036854775807},\"two\"],true],98.6,-100,{},{\"one\":1},{\"A beany object\":42}]",
jsonstringer.toString());
assertEquals(
"[\n 1,\n [\n null,\n [\n {\n \"empty-array\": [],\n \"empty-object\": {},\n \"answer\": 42,\n \"true\": true,\n \"false\": false,\n \"long\": 9223372036854775807,\n \"big\": 1.23456789E96,\n \"small\": 1.23456789E-80,\n \"null\": null\n },\n \"two\"\n ],\n true\n ],\n 98.6,\n -100,\n {},\n {\"one\": 1},\n {\"A beany object\": 42}\n]",
new JSONArray(jsonstringer.toString()).toString(4));
String sa[] =
{
"aString", "aNumber", "aBoolean"
};
jsonobject = new JSONObject(beanie, sa);
jsonobject.put("Testing JSONString interface", beanie);
assertEquals(
"{\n \"aBoolean\": true,\n \"aNumber\": 42,\n \"aString\": \"A beany object\",\n \"Testing JSONString interface\": {\"A beany object\":42}\n}",
jsonobject.toString(4));
}catch(Exception e)
{
fail(e.toString());
}
}
/**
* Beany is a typical class that implements JSONString. It also provides
* some beany methods that can be used to construct a JSONObject. It also
* demonstrates constructing a JSONObject with an array of names.
*/
public class Beany implements JSONString
{
/** The a string. */
public String aString;
/** The a number. */
public double aNumber;
/** The a boolean. */
public boolean aBoolean;
/**
* Instantiates a new beany.
*
* @param String
* the string
* @param d
* the d
* @param b
* the b
*/
public Beany(String String, double d, boolean b)
{
aString = String;
aNumber = d;
aBoolean = b;
}
/**
* Gets the number.
*
* @return the number
*/
public double getNumber()
{
return aNumber;
}
/**
* Gets the string.
*
* @return the string
*/
public String getString()
{
return aString;
}
/**
* Checks if is boolean.
*
* @return true, if is boolean
*/
public boolean isBoolean()
{
return aBoolean;
}
/**
* Gets the bENT.
*
* @return the bENT
*/
public String getBENT()
{
return "All uppercase key";
}
/**
* Gets the x.
*
* @return the x
*/
public String getX()
{
return "x";
}
/*
* (non-Javadoc)
*
* @see json.JSONString#toJSONString()
*/
@Override
public String toJSONString()
{
return "{" + JSONObject.quote(aString) + ":"
+ JSONObject.doubleToString(aNumber) + "}";
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
@Override
public String toString()
{
return getString() + " " + getNumber() + " " + isBoolean() + "."
+ getBENT() + " " + getX();
}
}
/**
* Tests the toString method using duplicate keys.
*/
public void testToString_DuplicateKeys()
{
try
{
JSONStringer jj = new JSONStringer();
string = jj.object().key("bosanda").value("MARIE HAA'S")
.key("bosanda").value("MARIE HAA\\'S").endObject()
.toString();
fail("expecting JSONException here.");
} catch (JSONException jsone)
{
assertEquals("Duplicate key \"bosanda\"", jsone.getMessage());
}
}
/**
* Tests the array method using object and array.
*/
public void testArray_ObjectAndArray()
{
try
{
jsonobject = new JSONObject(
"{ fun => with non-standard forms ; forgiving => This package can be used to parse formats that are similar to but not stricting conforming to JSON; why=To make it easier to migrate existing data to JSON,one = [[1.00]]; uno=[[{1=>1}]];'+':+6e66 ;pluses=+++;empty = '' , 'double':0.666,true: TRUE, false: FALSE, null=NULL;[true] = [[!,@;*]]; string=> o. k. ; \r oct=0666; hex=0x666; dec=666; o=0999; noh=0x0x}");
jsonarray = new JSONArray(
" [\"<escape>\", next is an implied null , , ok,] ");
jsonobject = new JSONObject(jsonobject, new String[]
{ "dec", "oct", "hex", "missing" });
assertEquals(
"{\n \"oct\": 666,\n \"dec\": 666,\n \"hex\": \"0x666\"\n}",
jsonobject.toString(1));
assertEquals(
"[[\"<escape>\",\"next is an implied null\",null,\"ok\"],{\"oct\":666,\"dec\":666,\"hex\":\"0x666\"}]",
new JSONStringer().array().value(jsonarray)
.value(jsonobject).endArray().toString());
} catch (JSONException e)
{
fail(e.getMessage());
}
}
/**
* Tests the toString method.
*/
public static void testToString_EmptyStringer()
{
assertEquals(null, new JSONStringer().toString());
}
}
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