fix for #91

Frameworks/Core/ERExtensions/Sources/er/extensions/foundation/ERXPropertyListSerialization.java

@@ -1562,7 +1562,7 @@ private void _appendStringToStringBuffer(String s, StringBuffer stringbuffer, @S
 					c >>= '\004';
 					byte byte3 = (byte) (c & 0xf);
 					c >>= '\004';
-					stringbuffer.append("\\U");
+					stringbuffer.append("\\u");
 					stringbuffer.append(this._hexDigitForNibble(byte3));
 					stringbuffer.append(this._hexDigitForNibble(byte2));
 					stringbuffer.append(this._hexDigitForNibble(byte1));

Tests/ERXTest/Sources/er/extensions/foundation/ERXPropertyListSerializationTest.java

@@ -0,0 +1,34 @@
+package er.extensions.foundation;
+
+import com.webobjects.foundation.NSArray;
+import com.webobjects.foundation.NSDictionary;
+
+import er.erxtest.ERXTestCase;
+
+/**
+ * Tests for ERXPropertyListSerialization.
+ * 
+ * @author jw
+ */
+public class ERXPropertyListSerializationTest extends ERXTestCase {
+
+	public void testJsonStringFromPropertyList() {
+		// Unicode string
+		String stringObject = "français";
+		String jsonString = ERXPropertyListSerialization.jsonStringFromPropertyList(stringObject);
+		assertEquals("\"fran\\u00e7ais\"", jsonString);
+		assertEquals(stringObject, ERXPropertyListSerialization.propertyListFromJSONString(jsonString));
+		// Integer array
+		NSArray<Integer> integerArray = new NSArray<Integer>(1, 2, 3);
+		jsonString = ERXPropertyListSerialization.jsonStringFromPropertyList(integerArray);
+		assertEquals("[1,2,3]", jsonString);
+		jsonString = ERXPropertyListSerialization.jsonStringFromPropertyList(integerArray, false);
+		assertEquals("[\n\t1,\n\t2,\n\t3\n]", jsonString);
+		// dictionary
+		NSDictionary<String, Integer> integerDict = new NSDictionary<String, Integer>(new Integer[] {1, 2}, new String[] {"a", "b"});
+		jsonString = ERXPropertyListSerialization.jsonStringFromPropertyList(integerDict);
+		assertEquals("{\"a\" : 1,\"b\" : 2}", jsonString);
+		jsonString = ERXPropertyListSerialization.jsonStringFromPropertyList(integerDict, false);
+		assertEquals("{\n\t\"a\" : 1,\n\t\"b\" : 2\n}", jsonString);
+	}
+}