| /* |
| * Copyright 2007 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.json.client; |
| |
| import com.google.gwt.junit.client.GWTTestCase; |
| |
| /** |
| * TODO: document me. |
| */ |
| public class JSONTest extends GWTTestCase { |
| static final String menuTest = "{\"menu\": {\n" + " \"id\": \"file\",\n" |
| + " \"value\": \"File:\",\n" + " \"popup\": {\n" |
| + " \"menuitem\": [\n" |
| + " {\"value\": \"New\", \"onclick\": \"CreateNewDoc()\"},\n" |
| + " {\"value\": \"Open\", \"onclick\": \"OpenDoc()\"},\n" |
| + " {\"value\": \"Close\", \"onclick\": \"CloseDoc()\"}\n" |
| + " ]\n" + " }\n" + "}}\n" + ""; |
| |
| static final String widgetTest = "{\"widget\": {\n" |
| + " \"debug\": \"on\",\n" |
| + " \"window\": {\n" |
| + " \"title\": \"Sample Konfabulator Widget\", \"name\": \"main_window\", \"width\": 500, \"height\": 500\n" |
| + " }, \"image\": { \n" |
| + " \"src\": \"Images/Sun.png\",\n" |
| + " \"name\": \"sun1\", \"hOffset\": 250, \"vOffset\": 250, \"alignment\": \"center\"\n" |
| + " }, \"text\": {\n" |
| + " \"data\": \"Click Here\",\n" |
| + " \"size\": 36,\n" |
| + " \"style\": \"bold\", \"name\": \"text1\", \"hOffset\": 250, \"vOffset\": 100, \"alignment\": \"center\",\n" |
| + " \"onMouseUp\": \"sun1.opacity = (sun1.opacity / 100) * 90;\"\n" |
| + " }\n" + "}} \n" + ""; |
| |
| /** |
| * Returns the module name for GWT unit test running. |
| */ |
| public String getModuleName() { |
| return "com.google.gwt.json.JSON"; |
| } |
| |
| public void testArrayBasics() { |
| JSONArray a = new JSONArray(); |
| JSONString s = new JSONString("s"); |
| JSONBoolean b = JSONBoolean.getInstance(false); |
| JSONNumber n = new JSONNumber(4); |
| assertNull(a.get(3)); |
| assertNull(a.get(-4)); |
| a.set(3, s); |
| assertEquals(s, a.get(3)); |
| a.set(-4, b); |
| assertEquals(b, a.get(-4)); |
| a.set(2, b); |
| assertEquals(b, a.get(2)); |
| a.set(1, n); |
| assertEquals(n, a.get(1)); |
| } |
| |
| /** |
| * Test deep recursion of arrays. |
| */ |
| public void testArrayOfArraysOfArrays() { |
| JSONArray array = populateRecursiveArray(3, 5); |
| assertEquals( |
| "[[[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]],[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]],[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]]],[[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]],[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]],[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]]],[[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]],[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]],[[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]],[[[],[],[]],[[],[],[]],[[],[],[]]]]]]", |
| array.toString()); |
| // now to access |
| for (int i = 0; i < 5; i++) { |
| array = (JSONArray) array.get(0); |
| } |
| } |
| |
| /** |
| * Tests an array of raw numbers, like [1,2,3]. |
| */ |
| public void testArrayOfNumbers() { |
| JSONArray arr = new JSONArray(); |
| for (int i = 0; i < 10; i++) { |
| arr.set(i, new JSONNumber(i)); |
| } |
| String s = arr.toString(); |
| JSONValue v = JSONParser.parse(s); |
| JSONArray array = v.isArray(); |
| assertTrue("v must be an array", array != null); |
| assertEquals("Array size must be 10", 10, array.size()); |
| for (int i = 0; i < 10; i++) { |
| assertEquals("Array value at " + i + " must be " + i, |
| array.get(i).isNumber().getValue(), i, 0.001); |
| } |
| } |
| |
| public void testBooleanBasics() { |
| assertTrue(JSONBoolean.getInstance(true).booleanValue()); |
| assertFalse(JSONBoolean.getInstance(false).booleanValue()); |
| |
| JSONValue trueVal = JSONParser.parse("true"); |
| assertEquals(trueVal, trueVal.isBoolean()); |
| assertTrue(trueVal.isBoolean().booleanValue()); |
| |
| JSONValue falseVal = JSONParser.parse("false"); |
| assertEquals(falseVal, falseVal.isBoolean()); |
| assertFalse(falseVal.isBoolean().booleanValue()); |
| } |
| |
| // Null characters do not work in hosted mode |
| public void testEscaping() { |
| JSONObject o = new JSONObject(); |
| char[] charsToEscape = new char[40]; |
| for (char i = 1; i < 32; i++) { |
| charsToEscape[i] = i; |
| } |
| charsToEscape[32] = '"'; |
| charsToEscape[33] = '\\'; |
| charsToEscape[34] = '\b'; |
| charsToEscape[35] = '\f'; |
| charsToEscape[36] = '\n'; |
| charsToEscape[37] = '\r'; |
| charsToEscape[38] = '\t'; |
| charsToEscape[39] = '/'; |
| for (int i = 1; i < 40; i++) { |
| o.put("c" + i, new JSONString(new Character(charsToEscape[i]).toString())); |
| } |
| assertEquals("{\"c1\":\"\\u0001\", \"c2\":\"\\u0002\", " |
| + "\"c3\":\"\\u0003\", \"c4\":\"\\u0004\", \"c5\":\"\\u0005\", " |
| + "\"c6\":\"\\u0006\", \"c7\":\"\\u0007\", \"c8\":\"\\b\", " |
| + "\"c9\":\"\\t\", \"c10\":\"\\n\", \"c11\":\"\\u000B\", " |
| + "\"c12\":\"\\f\", \"c13\":\"\\r\", \"c14\":\"\\u000E\", " |
| + "\"c15\":\"\\u000F\", \"c16\":\"\\u0010\", \"c17\":\"\\u0011\", " |
| + "\"c18\":\"\\u0012\", \"c19\":\"\\u0013\", \"c20\":\"\\u0014\", " |
| + "\"c21\":\"\\u0015\", \"c22\":\"\\u0016\", \"c23\":\"\\u0017\", " |
| + "\"c24\":\"\\u0018\", \"c25\":\"\\u0019\", \"c26\":\"\\u001A\", " |
| + "\"c27\":\"\\u001B\", \"c28\":\"\\u001C\", \"c29\":\"\\u001D\", " |
| + "\"c30\":\"\\u001E\", \"c31\":\"\\u001F\", \"c32\":\"\\\"\", " |
| + "\"c33\":\"\\\\\", \"c34\":\"\\b\", \"c35\":\"\\f\", " |
| + "\"c36\":\"\\n\", \"c37\":\"\\r\", \"c38\":\"\\t\", " |
| + "\"c39\":\"/\"}", o.toString()); |
| } |
| |
| public void testLargeArrays() { |
| JSONArray arr = null; |
| for (int j = 1; j < 500; j *= 2) { |
| arr = createLargeArray(j); |
| assertEquals("size j" + j, j, arr.size()); |
| } |
| } |
| |
| public void testMenu() { |
| JSONObject v = (JSONObject) JSONParser.parse(menuTest); |
| assertTrue(v.containsKey("menu")); |
| JSONObject menu = ((JSONObject) v.get("menu")); |
| assertEquals(3, menu.keySet().size()); |
| } |
| |
| public void testNested() { |
| JSONObject obj = new JSONObject(); |
| nestedAux(obj, 3); |
| String s1 = obj.toString(); |
| String s2 = JSONParser.parse(s1).toString(); |
| assertEquals(s1, s2); |
| assertEquals( |
| "{\"string3\":\"s3\", \"Number3\":3.1, \"Boolean3\":false, " |
| + "\"Null3\":null, \"object3\":{\"string2\":\"s2\", \"Number2\":2.1, " |
| + "\"Boolean2\":true, \"Null2\":null, \"object2\":{\"string1\":\"s1\"," |
| + " \"Number1\":1.1, \"Boolean1\":false, \"Null1\":null, \"object1\":{" |
| + "\"string0\":\"s0\", \"Number0\":0.1, \"Boolean0\":true, " |
| + "\"Null0\":null, \"object0\":{}, " |
| + "\"Array0\":[\"s0\",0.1,true,null,{}]}, " |
| + "\"Array1\":[\"s1\",1.1,false,null,{\"string0\":\"s0\", " |
| + "\"Number0\":0.1, \"Boolean0\":true, \"Null0\":null, \"object0\":{}, " |
| + "\"Array0\":[\"s0\",0.1,true,null,{}]}]}, " |
| + "\"Array2\":[\"s2\",2.1,true,null,{\"string1\":\"s1\", " |
| + "\"Number1\":1.1, \"Boolean1\":false, \"Null1\":null, " |
| + "\"object1\":{\"string0\":\"s0\", \"Number0\":0.1, " |
| + "\"Boolean0\":true, \"Null0\":null, \"object0\":{}, " |
| + "\"Array0\":[\"s0\",0.1,true,null,{}]}, " |
| + "\"Array1\":[\"s1\",1.1,false,null,{\"string0\":\"s0\", " |
| + "\"Number0\":0.1, \"Boolean0\":true, \"Null0\":null, " |
| + "\"object0\":{}, \"Array0\":[\"s0\",0.1,true,null,{}]}]}]}, " |
| + "\"Array3\":[\"s3\",3.1,false,null,{\"string2\":\"s2\", " |
| + "\"Number2\":2.1, \"Boolean2\":true, \"Null2\":null, " |
| + "\"object2\":{\"string1\":\"s1\", \"Number1\":1.1, " |
| + "\"Boolean1\":false, \"Null1\":null, \"object1\":{\"string0\":\"s0\"," |
| + " \"Number0\":0.1, \"Boolean0\":true, \"Null0\":null, \"object0\":{}, " |
| + "\"Array0\":[\"s0\",0.1,true,null,{}]}, " |
| + "\"Array1\":[\"s1\",1.1,false,null,{\"string0\":\"s0\", " |
| + "\"Number0\":0.1, \"Boolean0\":true, \"Null0\":null, " |
| + "\"object0\":{}, \"Array0\":[\"s0\",0.1,true,null,{}]}]}, " |
| + "\"Array2\":[\"s2\",2.1,true,null,{\"string1\":\"s1\", " |
| + "\"Number1\":1.1, \"Boolean1\":false, \"Null1\":null, " |
| + "\"object1\":{\"string0\":\"s0\", \"Number0\":0.1, " |
| + "\"Boolean0\":true, \"Null0\":null, \"object0\":{}, " |
| + "\"Array0\":[\"s0\",0.1,true,null,{}]}, " |
| + "\"Array1\":[\"s1\",1.1,false,null,{\"string0\":\"s0\", " |
| + "\"Number0\":0.1, \"Boolean0\":true, \"Null0\":null, \"object0\":{}," |
| + " \"Array0\":[\"s0\",0.1,true,null,{}]}]}]}]}", obj.toString()); |
| } |
| |
| public void testNumberBasics() { |
| JSONNumber n0 = new JSONNumber(1000); |
| assertEquals(1000, n0.getValue(), .000001); |
| assertTrue(n0.isNumber() == n0); |
| assertNull(n0.isObject()); |
| |
| JSONNumber n1 = new JSONNumber(Integer.MAX_VALUE); |
| assertEquals(Integer.MAX_VALUE, n1.getValue(), .00001); |
| assertTrue(n1.isNumber() == n1); |
| assertNull(n1.isObject()); |
| |
| JSONNumber n2 = new JSONNumber(Integer.MIN_VALUE); |
| assertEquals(Integer.MIN_VALUE, n2.getValue(), .00001); |
| assertTrue(n2.isNumber() == n2); |
| assertNull(n2.isObject()); |
| } |
| |
| public void testObjectBasics() { |
| JSONObject s = new JSONObject(); |
| assertNull(s.get("buba")); |
| s.put("a", new JSONString("A")); |
| s.put("a", new JSONString("AA")); |
| assertEquals("\"AA\"", s.get("a").toString()); |
| } |
| |
| /** |
| * Tests an object whose keys are filled out with numbers, like {"a":1}. |
| */ |
| public void testObjectOfNumbers() { |
| JSONObject obj = new JSONObject(); |
| for (int i = 0; i < 10; i++) { |
| obj.put("Object " + i, new JSONNumber(i)); |
| } |
| String s = obj.toString(); |
| JSONValue v = JSONParser.parse(s); |
| JSONObject objIn = v.isObject(); |
| assertTrue("v must be an object", objIn != null); |
| assertEquals("Object size must be 10", 10, objIn.keySet().size()); |
| for (int i = 0; i < 10; i++) { |
| assertEquals("Object value at 'Object " + i + "' must be " + i, |
| objIn.get("Object " + i).isNumber().getValue(), i, 0.001); |
| } |
| } |
| |
| /** |
| * Tests generic parsing. |
| */ |
| public void testParse() { |
| try { |
| new JSONString(null); |
| fail(); |
| } catch (NullPointerException t) { |
| } |
| try { |
| JSONParser.parse(null); |
| fail(); |
| } catch (NullPointerException t) { |
| } |
| try { |
| JSONParser.parse(""); |
| fail(); |
| } catch (IllegalArgumentException t) { |
| } |
| try { |
| JSONParser.parse("{\"menu\": {\n" + " \"id\": \"file\",\n"); |
| fail(); |
| } catch (JSONException e) { |
| } |
| assertEquals("\"null\" should be null JSONValue", JSONNull.getInstance(), |
| JSONParser.parse("null")); |
| assertEquals("5 should be JSONNumber 5", 5d, |
| JSONParser.parse("5").isNumber().getValue(), 0.001); |
| assertEquals("\"null\" should be null JSONValue", JSONNull.getInstance(), |
| JSONParser.parse("null")); |
| JSONValue somethingHello = JSONParser.parse("[{\"something\":\"hello\"}]"); |
| JSONArray somethingHelloArray = somethingHello.isArray(); |
| assertTrue("somethingHello must be a JSONArray", |
| somethingHelloArray != null); |
| assertTrue("somethingHello size must be one", |
| somethingHelloArray.size() == 1); |
| JSONObject somethingHelloObject = somethingHelloArray.get(0).isObject(); |
| assertTrue("somethingHello element 0 must be a JSONObject", |
| somethingHelloObject != null); |
| assertTrue("somethingHello element 0 must have hello for key something", |
| somethingHelloObject.get("something").isString().stringValue().equals( |
| "hello")); |
| } |
| |
| public void testSimpleNested() { |
| JSONObject j1 = new JSONObject(); |
| j1.put("test1", new JSONString("")); |
| |
| JSONObject j2 = new JSONObject(); |
| j2.put("test1", new JSONString("")); |
| |
| JSONObject j22 = new JSONObject(); |
| j22.put("test12", new JSONString("")); |
| j2.put("j22", j22); |
| |
| JSONObject j3 = new JSONObject(); |
| j3.put("j1", j1); |
| j3.put("j2", j2); |
| |
| assertEquals( |
| "{\"j1\":{\"test1\":\"\"}, \"j2\":{\"test1\":\"\", \"j22\":{\"test12\":\"\"}}}", |
| j3.toString()); |
| } |
| |
| public void testStringBasics() { |
| JSONString arr = new JSONString(""); |
| assertEquals("\"\"", arr.toString()); |
| JSONString s = new JSONString(menuTest); |
| assertEquals(menuTest, s.stringValue()); |
| } |
| |
| public void testStringEscaping() { |
| checkRoundTripJsonText("\"hello\"", "hello"); |
| checkRoundTripJsonText("\"hel\\\"lo\"", "hel\"lo"); |
| checkRoundTripJsonText("\"hel\\\\lo\"", "hel\\lo"); |
| checkRoundTripJsonText("\"hel\\\\\\\"lo\"", "hel\\\"lo"); |
| } |
| |
| public void testStringTypes() { |
| JSONObject object = JSONParser.parse("{\"a\":\"b\",\"null\":\"foo\"}").isObject(); |
| assertNotNull(object); |
| |
| assertEquals("b", object.get(stringAsPrimitive("a")).isString().stringValue()); |
| assertEquals("b", object.get(stringAsObject("a")).isString().stringValue()); |
| assertEquals("foo", object.get(stringAsPrimitive("null")).isString().stringValue()); |
| assertEquals("foo", object.get(stringAsObject("null")).isString().stringValue()); |
| assertNull(object.get(null)); |
| } |
| |
| public void testWidget() { |
| JSONObject v = (JSONObject) JSONParser.parse(widgetTest); |
| JSONObject widget = (JSONObject) v.get("widget"); |
| JSONObject window = (JSONObject) widget.get("window"); |
| JSONValue title = window.get("title"); |
| assertNotNull(title.isString()); |
| JSONValue hOffSet = window.get("width"); |
| assertNotNull(hOffSet.isNumber()); |
| } |
| |
| private void checkRoundTripJsonText(String jsonText, String normaltext) { |
| JSONString parsed = JSONParser.parse(jsonText).isString(); |
| assertEquals(normaltext, parsed.stringValue()); |
| assertEquals(jsonText, parsed.toString()); |
| } |
| |
| private JSONArray createLargeArray(int size) { |
| JSONArray arr = new JSONArray(); |
| for (int i = 0; i < size; i++) { |
| arr.set(i, new JSONNumber(i)); |
| } |
| return arr; |
| } |
| |
| private void nestedAux(JSONObject obj, int i) { |
| JSONArray array = new JSONArray(); |
| JSONString str = new JSONString("s" + i); |
| array.set(0, str); |
| obj.put("string" + i, str); |
| JSONNumber num = new JSONNumber(((double) i) + 0.1); |
| array.set(1, num); |
| obj.put("Number" + i, num); |
| JSONBoolean b = JSONBoolean.getInstance((i % 2) == 0); |
| array.set(2, b); |
| obj.put("Boolean" + i, b); |
| JSONNull nul = JSONNull.getInstance(); |
| array.set(3, nul); |
| obj.put("Null" + i, nul); |
| JSONObject newObj = new JSONObject(); |
| obj.put("object" + i, newObj); |
| if (i != 0) { |
| nestedAux(newObj, i - 1); |
| } |
| array.set(4, newObj); |
| obj.put("Array" + i, array); |
| } |
| |
| private JSONArray populateRecursiveArray(int numElements, int recursion) { |
| JSONArray newArray = new JSONArray(); |
| if (recursion <= 0) { |
| return newArray; |
| } |
| |
| for (int i = 0; i < numElements; i++) { |
| JSONArray childArray = populateRecursiveArray(numElements, recursion - 1); |
| newArray.set(i, childArray); |
| } |
| return newArray; |
| } |
| |
| private native String stringAsObject(String str) /*-{ |
| return new String(str); |
| }-*/; |
| |
| private native String stringAsPrimitive(String str) /*-{ |
| return String(str); |
| }-*/; |
| } |
