1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "gc/z/zArray.inline.hpp"
  26 #include "unittest.hpp"
  27 
  28 TEST(ZArray, test_add) {
  29   ZArray<int> a;
  30 
  31   // Add elements
  32   for (int i = 0; i < 10; i++) {
  33     a.append(i);
  34   }
  35 
  36   ZArray<int> b;
  37 
  38   b.transfer(&a);
  39 
  40   // Check size
  41   ASSERT_EQ(a.length(), 0);
  42   ASSERT_EQ(a.max_length(), 0);
  43   ASSERT_EQ(a.is_empty(), true);
  44 
  45   ASSERT_EQ(b.length(), 10);
  46   ASSERT_GE(b.max_length(), 10);
  47   ASSERT_EQ(b.is_empty(), false);
  48 
  49   // Clear elements
  50   a.clear();
  51 
  52   // Check that b is unaffected
  53   ASSERT_EQ(b.length(), 10);
  54   ASSERT_GE(b.max_length(), 10);
  55   ASSERT_EQ(b.is_empty(), false);
  56 
  57   a.append(1);
  58 
  59   // Check that b is unaffected
  60   ASSERT_EQ(b.length(), 10);
  61   ASSERT_GE(b.max_length(), 10);
  62   ASSERT_EQ(b.is_empty(), false);
  63 }
  64 
  65 TEST(ZArray, iterator) {
  66   ZArray<int> a;
  67 
  68   // Add elements
  69   for (int i = 0; i < 10; i++) {
  70     a.append(i);
  71   }
  72 
  73   // Iterate
  74   int count = 0;
  75   ZArrayIterator<int> iter(&a);
  76   for (int value; iter.next(&value);) {
  77     ASSERT_EQ(a.at(count), count);
  78     count++;
  79   }
  80 
  81   // Check count
  82   ASSERT_EQ(count, 10);
  83 }