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Java example source code file (JsonParserTest.java)
The JsonParserTest.java Java example source code/* * Copyright (C) 2009 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; import java.io.CharArrayReader; import java.io.CharArrayWriter; import java.io.StringReader; import junit.framework.TestCase; import com.google.gson.common.TestTypes.BagOfPrimitives; import com.google.gson.internal.Streams; import com.google.gson.stream.JsonReader; /** * Unit test for {@link JsonParser} * * @author Inderjeet Singh */ public class JsonParserTest extends TestCase { private JsonParser parser; @Override protected void setUp() throws Exception { super.setUp(); parser = new JsonParser(); } public void testParseInvalidJson() { try { parser.parse("[[]"); fail(); } catch (JsonSyntaxException expected) { } } public void testParseUnquotedStringArrayFails() { JsonElement element = parser.parse("[a,b,c]"); assertEquals("a", element.getAsJsonArray().get(0).getAsString()); assertEquals("b", element.getAsJsonArray().get(1).getAsString()); assertEquals("c", element.getAsJsonArray().get(2).getAsString()); assertEquals(3, element.getAsJsonArray().size()); } public void testParseString() { String json = "{a:10,b:'c'}"; JsonElement e = parser.parse(json); assertTrue(e.isJsonObject()); assertEquals(10, e.getAsJsonObject().get("a").getAsInt()); assertEquals("c", e.getAsJsonObject().get("b").getAsString()); } public void testParseEmptyString() { JsonElement e = parser.parse("\" \""); assertTrue(e.isJsonPrimitive()); assertEquals(" ", e.getAsString()); } public void testParseEmptyWhitespaceInput() { JsonElement e = parser.parse(" "); assertTrue(e.isJsonNull()); } public void testParseUnquotedSingleWordStringFails() { assertEquals("Test", parser.parse("Test").getAsString()); } public void testParseUnquotedMultiWordStringFails() { String unquotedSentence = "Test is a test..blah blah"; try { parser.parse(unquotedSentence); fail(); } catch (JsonSyntaxException expected) { } } public void testParseMixedArray() { String json = "[{},13,\"stringValue\"]"; JsonElement e = parser.parse(json); assertTrue(e.isJsonArray()); JsonArray array = e.getAsJsonArray(); assertEquals("{}", array.get(0).toString()); assertEquals(13, array.get(1).getAsInt()); assertEquals("stringValue", array.get(2).getAsString()); } public void testParseReader() { StringReader reader = new StringReader("{a:10,b:'c'}"); JsonElement e = parser.parse(reader); assertTrue(e.isJsonObject()); assertEquals(10, e.getAsJsonObject().get("a").getAsInt()); assertEquals("c", e.getAsJsonObject().get("b").getAsString()); } public void testReadWriteTwoObjects() throws Exception { Gson gson = new Gson(); CharArrayWriter writer = new CharArrayWriter(); BagOfPrimitives expectedOne = new BagOfPrimitives(1, 1, true, "one"); writer.write(gson.toJson(expectedOne).toCharArray()); BagOfPrimitives expectedTwo = new BagOfPrimitives(2, 2, false, "two"); writer.write(gson.toJson(expectedTwo).toCharArray()); CharArrayReader reader = new CharArrayReader(writer.toCharArray()); JsonReader parser = new JsonReader(reader); parser.setLenient(true); JsonElement element1 = Streams.parse(parser); JsonElement element2 = Streams.parse(parser); BagOfPrimitives actualOne = gson.fromJson(element1, BagOfPrimitives.class); assertEquals("one", actualOne.stringValue); BagOfPrimitives actualTwo = gson.fromJson(element2, BagOfPrimitives.class); assertEquals("two", actualTwo.stringValue); } } 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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