diff -r d0f57d3ea898 -r d382dacfd73f rt/emul/compact/src/test/java/org/apidesign/bck2brwsr/compact/tck/CollectionsTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rt/emul/compact/src/test/java/org/apidesign/bck2brwsr/compact/tck/CollectionsTest.java	Tue Feb 26 16:54:16 2013 +0100
@@ -0,0 +1,107 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.compact.tck;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Vector;
+import org.apidesign.bck2brwsr.vmtest.Compare;
+import org.apidesign.bck2brwsr.vmtest.VMTest;
+import org.testng.annotations.Factory;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public class CollectionsTest {
+    @Compare public String sortStringsInArray() {
+        List<String> list = new ArrayList<>();
+        list.add("one");
+        list.add("two");
+        list.add("three");
+        list.add("four");
+        list.add("five");
+        list.add("six");
+        list.add("seven");
+        list.add("eight");
+        list.add("nine");
+        list.add("ten");
+        
+        String[] arr = list.toArray(new String[list.size()]);
+        Arrays.sort(arr);
+        
+        return Arrays.asList(arr).toString();
+    }
+    
+    @Compare public String sortStringsInHashSet() {
+        Collection<String> list = new HashSet<>();
+        list.add("one");
+        list.add("two");
+        list.add("three");
+        list.add("four");
+        list.add("five");
+        list.add("six");
+        list.add("seven");
+        list.add("eight");
+        list.add("nine");
+        list.add("ten");
+        
+        String[] arr = list.toArray(new String[0]);
+        Arrays.sort(arr);
+        
+        return Arrays.asList(arr).toString();
+    }
+
+    @SuppressWarnings("unchecked")
+    @Compare public String sortStringsInHashMapWithComparator() {
+        class C implements Comparator<Map.Entry<String,Integer>> {
+            public int compare(Map.Entry<String, Integer> o1, Map.Entry<String, Integer> o2) {
+                return o1.getKey().compareTo(o2.getKey());
+            }
+        }
+        
+        Map<String,Integer> map = new HashMap<>();
+        map.put("one", 1);
+        map.put("two", 2);
+        map.put("three", 3);
+        map.put("four", 4);
+        map.put("five", 5);
+        map.put("six", 6);
+        map.put("seven", 7);
+        map.put("eight", 8);
+        map.put("nine", 9);
+        map.put("ten", 10);
+        
+        List<Entry<String,Integer>> arr = new Vector<>();
+        arr.addAll(map.entrySet());
+        return arr.toString();
+    }
+    
+    @Factory
+    public static Object[] create() {
+        return VMTest.create(CollectionsTest.class);
+    }
+    
+}