Erik Frey
35a834f0ba
PiperOrigin-RevId: 660975517 Change-Id: I6e3d1b041fe60b1ec202391903eff340f787b46d
75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
// Copyright 2024 DeepMind Technologies Limited
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/engine/engine_sort.h"
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#include <cstddef>
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#include <vector>
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#include <gtest/gtest.h>
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#include "src/engine/engine_sort.h"
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#include "test/fixture.h"
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namespace mujoco {
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namespace {
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using EngineSortTest = MujocoTest;
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struct IntStruct {
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int value;
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};
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quicksortfunc(int_compare, context, x, y) {
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int a = *(int*)x;
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int b = *(int*)y;
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if (a < b) {
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return -1;
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} else if (a == b) {
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return 0;
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} else {
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return 1;
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}
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}
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quicksortfunc(intstruct_compare, context, x, y) {
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IntStruct* a = (IntStruct*)x;
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IntStruct* b = (IntStruct*)y;
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if (a->value < b->value) {
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return -1;
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} else if (a->value == b->value) {
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return 0;
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} else {
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return 1;
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}
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}
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TEST_F(EngineSortTest, Sort) {
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// test int
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std::vector<int> x = {1, 3, 2};
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mjQUICKSORT(x.data(), x.size(), sizeof(int), int_compare, x.data());
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EXPECT_EQ(x[0], 1);
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EXPECT_EQ(x[1], 2);
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EXPECT_EQ(x[2], 3);
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// test custom struct with mjQUICKSORT
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std::vector<IntStruct> y = {{1}, {3}, {2}};
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mjQUICKSORT(y.data(), y.size(), sizeof(IntStruct), intstruct_compare, NULL);
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EXPECT_EQ(y[0].value, 1);
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EXPECT_EQ(y[1].value, 2);
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EXPECT_EQ(y[2].value, 3);
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}
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} // namespace
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} // namespace mujoco
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