added more tests for core classes

querydsl-core/src/test/java/com/mysema/query/util/MultiComparatorTest.java

@@ -0,0 +1,30 @@
+package com.mysema.query.util;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+import com.mysema.codegen.Evaluator;
+
+public class MultiComparatorTest {
+    
+    private final Evaluator<Object[]> evaluator = new Evaluator<Object[]>() {
+        @Override
+        public Object[] evaluate(Object... args) {
+            return args;
+        }
+        @Override
+        public Class<? extends Object[]> getType() {
+            return Object[].class;
+        }            
+    };
+    
+    @Test
+    public void test() {
+        MultiComparator<Object[]> comparator = new MultiComparator<Object[]>(evaluator, new boolean[]{true, true});
+        assertTrue(comparator.compare(new Object[]{"a", "b"}, new Object[]{"a","c"}) < 0);
+        assertTrue(comparator.compare(new Object[]{"b", "a"}, new Object[]{"a","b"}) > 0);
+        assertTrue(comparator.compare(new Object[]{"b", "b"}, new Object[]{"b","b"}) == 0);
+    }
+
+}

querydsl-core/src/test/java/com/mysema/util/ArrayUtilsTest.java

@@ -0,0 +1,17 @@
+package com.mysema.util;
+
+import static org.junit.Assert.*;
+
+import java.util.Arrays;
+
+import org.junit.Test;
+
+public class ArrayUtilsTest {
+    
+    @Test
+    public void test() {
+        Object[] array = ArrayUtils.combine(5, new Object[]{"a","b"}, new Object[]{"c","d","e"});
+        assertEquals(Arrays.asList("a","b","c","d","e"), Arrays.asList(array));
+    }
+
+}