// Protocol Buffers - Google's data interchange format
// Copyright 2023 Google LLC.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google LLC nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "upb/collections/array.h"

#include "gtest/gtest.h"
#include "upb/base/status.hpp"
#include "upb/mem/arena.hpp"

TEST(ArrayTest, Resize) {
  upb::Arena arena;
  upb::Status status;

  upb_Array* array = upb_Array_New(arena.ptr(), kUpb_CType_Int32);
  EXPECT_TRUE(array);

  for (int i = 0; i < 10; i++) {
    upb_MessageValue mv;
    mv.int32_val = 3 * i;

    upb_Array_Append(array, mv, arena.ptr());
    EXPECT_EQ(upb_Array_Size(array), i + 1);
    EXPECT_EQ(upb_Array_Get(array, i).int32_val, 3 * i);
  }

  upb_Array_Resize(array, 12, arena.ptr());
  EXPECT_EQ(upb_Array_Get(array, 10).int32_val, 0);
  EXPECT_EQ(upb_Array_Get(array, 11).int32_val, 0);

  upb_Array_Resize(array, 4, arena.ptr());
  EXPECT_EQ(upb_Array_Size(array), 4);

  upb_Array_Resize(array, 6, arena.ptr());
  EXPECT_EQ(upb_Array_Size(array), 6);

  EXPECT_EQ(upb_Array_Get(array, 3).int32_val, 9);
  EXPECT_EQ(upb_Array_Get(array, 4).int32_val, 0);
  EXPECT_EQ(upb_Array_Get(array, 5).int32_val, 0);
}