add testcase & bug fixed for JSONReadercanner

src/main/java/com/alibaba/fastjson/parser/JSONReaderScanner.java

@@ -143,10 +143,11 @@ public final int indexOf(char ch, int startIndex) {
         int offset = startIndex - bp;
         for (;; ++offset) {
             final int index = bp + offset;
-            if (ch == charAt(index)) {
+            char chLoal = charAt(index);
+            if (ch == chLoal) {
                 return offset + bp;
             }
-            if (ch == EOI) {
+            if (chLoal == EOI) {
                 return -1;
             }
         }

src/test/java/com/alibaba/json/bvt/parser/error/JSONReaderError.java

@@ -0,0 +1,88 @@
+package com.alibaba.json.bvt.parser.error;
+
+import java.io.StringReader;
+import java.util.Map;
+
+import org.junit.Assert;
+
+import com.alibaba.fastjson.JSONException;
+import com.alibaba.fastjson.JSONReader;
+import com.alibaba.fastjson.TypeReference;
+
+import junit.framework.TestCase;
+
+public class JSONReaderError extends TestCase {
+
+    public void test_reader_error() throws Exception {
+        Exception error = null;
+        try {
+            JSONReader reader = new JSONReader(new StringReader("{\"id\":"));
+            reader.readObject(Model.class);
+        } catch (JSONException ex) {
+            error = ex;
+        }
+        Assert.assertNotNull(error);
+    }
+
+    public void test_reader_error_1() throws Exception {
+        Exception error = null;
+        try {
+            JSONReader reader = new JSONReader(new StringReader("{\"id\":\"aa"));
+            reader.readObject(Model.class);
+        } catch (JSONException ex) {
+            error = ex;
+        }
+        Assert.assertNotNull(error);
+    }
+
+    public void test_reader_no_error() throws Exception {
+        JSONReader reader = new JSONReader(new StringReader("{\"id\":\"aa\",\"name\":\"wenshao\"}"));
+        Model model = reader.readObject(Model.class);
+        Assert.assertEquals("aa", model.id);
+        Assert.assertEquals("wenshao", model.name);
+        reader.close();
+    }
+
+    public void test_reader_no_error_1() throws Exception {
+        JSONReader reader = new JSONReader(new StringReader("{\"model\":{\"id\":\"aa\",\"name\":\"wenshao\"}}"));
+        Map<String, Model> map = reader.readObject(new TypeReference<Map<String, Model>>() {});
+        Model model = map.get("model");
+        Assert.assertEquals("aa", model.id);
+        Assert.assertEquals("wenshao", model.name);
+        reader.close();
+    }
+
+    public void test_reader_no_error_2() throws Exception {
+        JSONReader reader = new JSONReader(new StringReader("{\"model\":{\"id\":\"aa\",\"name\":\"wenshao\"},\"model2\":{\"id\":\"bb\",\"name\":\"ljw\"}}"));
+        Map<String, Model> map = reader.readObject(new TypeReference<Map<String, Model>>() {});
+
+        {
+            Model model = map.get("model");
+            Assert.assertEquals("aa", model.id);
+            Assert.assertEquals("wenshao", model.name);
+        }
+        {
+            Model model = map.get("model2");
+            Assert.assertEquals("bb", model.id);
+            Assert.assertEquals("ljw", model.name);
+        }
+        reader.close();
+    }
+
+    public void test_reader_error_3() throws Exception {
+        Exception error = null;
+        try {
+            JSONReader reader = new JSONReader(new StringReader("{\"model\":{\"id\":\"aa\",\"name\":\"wenshao\"}["));
+            Map<String, Model> map = reader.readObject(new TypeReference<Map<String, Model>>() {});
+        } catch (JSONException ex) {
+            error = ex;
+        }
+        Assert.assertNotNull(error);
+    }
+
+    public static class Model {
+
+        public String id;
+        public String name;
+    }
+}