Remove engine_util_container and its test.

PiperOrigin-RevId: 945701044 Change-Id: I6ca3d4fc87cdcd9e3fc14ee49b3aa441a70cd8bd
2026-07-10 07:25:22 -07:00
parent 0cb3fad654
commit d6650f84e5
3 changed files with 0 additions and 268 deletions
@@ -1,108 +0,0 @@
-// Copyright 2023 DeepMind Technologies Limited
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-#include "src/engine/engine_util_container.h"
-
-#include <array>
-#include <cstddef>
-
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-#include <mujoco/mjdata.h>
-#include <mujoco/mujoco.h>
-#include "test/fixture.h"
-
-namespace mujoco {
-namespace {
-
-using testing::NotNull;
-
-template <int prev_size, typename T, int N, int capacity>
-constexpr int GetExpectedStackUsageBytes() {
-  if constexpr (N <= 0) {
-    return prev_size;
-  } else {
-    constexpr auto RoundUpToAlignment = [](int x, int alignment) {
-      return alignment * (x / alignment + ((x % alignment) ? 1 : 0));
-    };
-    constexpr int size_with_arraylist = RoundUpToAlignment(
-        prev_size + sizeof(mjArrayList), alignof(mjArrayList));
-    constexpr int size_with_buffer = RoundUpToAlignment(
-        size_with_arraylist + capacity * sizeof(T), alignof(std::max_align_t));
-    return GetExpectedStackUsageBytes<size_with_buffer, T, N - capacity,
-                                      2 * capacity>();
-  }
-}
-
-class TestMjArrayList : public MujocoTest {};
-
-TEST_F(TestMjArrayList, TestMjArrayListSingleThreaded) {
-  std::array<char, 1024> error;
-  MjModelPtr m = LoadModelFromString("<mujoco/>", error.data(), error.size());
-  ASSERT_THAT(m.get(), NotNull()) << "Failed to load model: " << error.data();
-  MjDataPtr d = MakeData(m);
-  mj_markStack(d.get());
-
-  using DataType = int;
-  constexpr int kInitialCapacity = 10;
-  mjArrayList* array_list =
-      mju_arrayListCreate(d.get(), sizeof(DataType), kInitialCapacity);
-
-  constexpr int kNumElements = 35;
-  for (int i = 0; i < kNumElements; ++i) {
-    mju_arrayListAdd(array_list, &i);
-  }
-  EXPECT_EQ(mju_arrayListSize(array_list), kNumElements);
-
-  constexpr int kFrameMarkerSize = 2 * sizeof(size_t) + sizeof(void*);
-  constexpr int kExpectedMaxUseStack =
-      GetExpectedStackUsageBytes<kFrameMarkerSize, DataType, kNumElements,
-                                 kInitialCapacity>();
-  EXPECT_EQ(d->maxuse_stack, kExpectedMaxUseStack);
-
-  for (int i = 0; i < kNumElements; ++i) {
-    EXPECT_EQ(*static_cast<int*>(mju_arrayListAt(array_list, i)), i);
-  }
-
-  EXPECT_EQ(mju_arrayListAt(array_list, kNumElements), nullptr);
-  EXPECT_EQ(mju_arrayListAt(array_list, 100), nullptr);
-
-  mj_freeStack(d.get());
-}
-
-TEST_F(TestMjArrayList, ZeroInitialCapacity) {
-  char error[1024];
-  MjModelPtr m = LoadModelFromString("<mujoco/>", error, sizeof(error));
-  ASSERT_THAT(m.get(), NotNull()) << "Failed to load model: " << error;
-  MjDataPtr d = MakeData(m);
-  mj_markStack(d.get());
-  mjArrayList* array_list =
-      mju_arrayListCreate(d.get(), sizeof(double), /*initial_capacity=*/0);
-  EXPECT_EQ(mju_arrayListSize(array_list), 0);
-
-  for (int i = 0; i < 35; ++i) {
-    double value = i;
-    mju_arrayListAdd(array_list, &value);
-  }
-  EXPECT_EQ(mju_arrayListSize(array_list), 35);
-
-  for (int i = 0; i < 35; ++i) {
-    EXPECT_EQ(*static_cast<double*>(mju_arrayListAt(array_list, i)), i);
-  }
-  EXPECT_EQ(mju_arrayListAt(array_list, 35), nullptr);
-
-  mj_freeStack(d.get());
-}
-
-}  // namespace
-}  // namespace mujoco