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Java example source code file (JsonParserTest.java)
The JsonParserTest.java Java example source code/* * Copyright (C) 2008 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.gson.functional; import com.google.gson.Gson; import com.google.gson.JsonArray; import com.google.gson.JsonObject; import com.google.gson.JsonParseException; import com.google.gson.JsonParser; import com.google.gson.JsonPrimitive; import com.google.gson.JsonSyntaxException; import com.google.gson.common.TestTypes.BagOfPrimitives; import com.google.gson.common.TestTypes.Nested; import com.google.gson.reflect.TypeToken; import junit.framework.TestCase; import java.io.StringReader; import java.lang.reflect.Type; import java.util.Arrays; import java.util.List; import java.util.Map; /** * Functional tests for that use JsonParser and related Gson methods * * @author Inderjeet Singh * @author Joel Leitch */ public class JsonParserTest extends TestCase { private Gson gson; @Override protected void setUp() throws Exception { super.setUp(); gson = new Gson(); } public void testParseInvalidJson() { try { gson.fromJson("[[]", Object[].class); fail(); } catch (JsonSyntaxException expected) { } } public void testDeserializingCustomTree() { JsonObject obj = new JsonObject(); obj.addProperty("stringValue", "foo"); obj.addProperty("intValue", 11); BagOfPrimitives target = gson.fromJson(obj, BagOfPrimitives.class); assertEquals(11, target.intValue); assertEquals("foo", target.stringValue); } public void testBadTypeForDeserializingCustomTree() { JsonObject obj = new JsonObject(); obj.addProperty("stringValue", "foo"); obj.addProperty("intValue", 11); JsonArray array = new JsonArray(); array.add(obj); try { gson.fromJson(array, BagOfPrimitives.class); fail("BagOfPrimitives is not an array"); } catch (JsonParseException expected) { } } public void testBadFieldTypeForCustomDeserializerCustomTree() { JsonArray array = new JsonArray(); array.add(new JsonPrimitive("blah")); JsonObject obj = new JsonObject(); obj.addProperty("stringValue", "foo"); obj.addProperty("intValue", 11); obj.add("longValue", array); try { gson.fromJson(obj, BagOfPrimitives.class); fail("BagOfPrimitives is not an array"); } catch (JsonParseException expected) { } } public void testBadFieldTypeForDeserializingCustomTree() { JsonArray array = new JsonArray(); array.add(new JsonPrimitive("blah")); JsonObject primitive1 = new JsonObject(); primitive1.addProperty("string", "foo"); primitive1.addProperty("intValue", 11); JsonObject obj = new JsonObject(); obj.add("primitive1", primitive1); obj.add("primitive2", array); try { gson.fromJson(obj, Nested.class); fail("Nested has field BagOfPrimitives which is not an array"); } catch (JsonParseException expected) { } } public void testChangingCustomTreeAndDeserializing() { StringReader json = new StringReader("{'stringValue':'no message','intValue':10,'longValue':20}"); JsonObject obj = (JsonObject) new JsonParser().parse(json); obj.remove("stringValue"); obj.addProperty("stringValue", "fooBar"); BagOfPrimitives target = gson.fromJson(obj, BagOfPrimitives.class); assertEquals(10, target.intValue); assertEquals(20, target.longValue); assertEquals("fooBar", target.stringValue); } public void testExtraCommasInArrays() { Type type = new TypeToken<List Other Java examples (source code examples)Here is a short list of links related to this Java JsonParserTest.java source code file: |
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