Adds new tests for testing bean->JSONObject mapping

src/test/java/org/json/junit/data/Singleton.java

@@ -0,0 +1,81 @@
+package org.json.junit.data;
+
+/**
+ * Sample singleton for use with bean testing.
+ * 
+ * @author John Aylward
+ *
+ */
+public final class Singleton {
+    /** */
+    private int someInt;
+    /** */
+    private String someString;
+    /** single instance. */
+    private static final Singleton INSTANCE = new Singleton();
+
+    /** @return the singleton instance. */
+    public static final Singleton getInstance() {
+        return INSTANCE;
+    }
+
+    /** */
+    private Singleton() {
+        if (INSTANCE != null) {
+            throw new IllegalStateException("Already instantiated");
+        }
+    }
+
+    @Override
+    protected Object clone() throws CloneNotSupportedException {
+        return INSTANCE;
+    }
+
+    /** @return someInt */
+    public int getSomeInt() {
+        return someInt;
+    }
+
+    /** sets someInt */
+    public void setSomeInt(int someInt) {
+        this.someInt = someInt;
+    }
+
+    /** @return someString */
+    public String getSomeString() {
+        return someString;
+    }
+
+    /** sets someString */
+    public void setSomeString(String someString) {
+        this.someString = someString;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + someInt;
+        result = prime * result + ((someString == null) ? 0 : someString.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        Singleton other = (Singleton) obj;
+        if (someInt != other.someInt)
+            return false;
+        if (someString == null) {
+            if (other.someString != null)
+                return false;
+        } else if (!someString.equals(other.someString))
+            return false;
+        return true;
+    }
+}