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diff --git a/gson/src/test/java/com/google/gson/JsonParserTest.java b/gson/src/test/java/com/google/gson/JsonParserTest.java
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+/*
+ * 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);
+ }
+}