add test

hutool-json/src/test/java/cn/hutool/json/IssuesI4V14NTest.java

@@ -0,0 +1,20 @@
+package cn.hutool.json;
+
+import cn.hutool.core.lang.TypeReference;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.Map;
+
+public class IssuesI4V14NTest {
+
+	@Test
+	public void parseTest(){
+		String str = "{\"A\" : \"A\\nb\"}";
+		final JSONObject jsonObject = JSONUtil.parseObj(str);
+		Assert.assertEquals("A\nb", jsonObject.getStr("A"));
+
+		final Map<String, String> map = jsonObject.toBean(new TypeReference<Map<String, String>>() {});
+		Assert.assertEquals("A\nb", map.get("A"));
+	}
+}