Removal of magic numbers in CollectionTest

gson/src/test/java/com/google/gson/functional/CollectionTest.java

@@ -128,35 +128,38 @@ public void testQueueDeserialization() {
   }
 
   public void testPriorityQueue() throws Exception {
+    int[] value = {10, 20, 22};
     Type type = new TypeToken<PriorityQueue<Integer>>(){}.getType();
     PriorityQueue<Integer> queue = gson.fromJson("[10, 20, 22]", type);
-    assertEquals(3, queue.size());
+    assertEquals(value.length, queue.size());
     String json = gson.toJson(queue);
-    assertEquals(10, queue.remove().intValue());
-    assertEquals(20, queue.remove().intValue());
-    assertEquals(22, queue.remove().intValue());
+    for (int i = 0; i < value.length; i++){
+      assertEquals(value[i], queue.remove().intValue());
+    }
     assertEquals("[10,20,22]", json);
   }
 
   public void testVector() {
+    int[] value = {10, 20, 31};
     Type type = new TypeToken<Vector<Integer>>(){}.getType();
     Vector<Integer> target = gson.fromJson("[10, 20, 31]", type);
-    assertEquals(3, target.size());
-    assertEquals(10, target.get(0).intValue());
-    assertEquals(20, target.get(1).intValue());
-    assertEquals(31, target.get(2).intValue());
+    assertEquals(value.length, target.size());
+    for (int i = 0; i < value.length; i++){
+      assertEquals(value[i], target.get(i).intValue());
+    }
     String json = gson.toJson(target);
     assertEquals("[10,20,31]", json);
   }
 
   public void testStack() {
+    int[] value = {11, 13, 17};
     Type type = new TypeToken<Stack<Integer>>(){}.getType();
     Stack<Integer> target = gson.fromJson("[11, 13, 17]", type);
-    assertEquals(3, target.size());
+    assertEquals(value.length, target.size());
     String json = gson.toJson(target);
-    assertEquals(17, target.pop().intValue());
-    assertEquals(13, target.pop().intValue());
-    assertEquals(11, target.pop().intValue());
+    for (int i = 2; i > 0; i--){
+      assertEquals(value[i], target.pop().intValue());
+    }
     assertEquals("[11,13,17]", json);
   }