Saran Tunyasuvunakool
3577e2cf8b
PiperOrigin-RevId: 434731612 Change-Id: I0cfda3e7a3d1c72036764986efc252ffa1b8c6b0
55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
// Copyright 2022 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 "tuple_tools.h"
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#include <tuple>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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namespace mujoco::util {
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namespace {
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TEST(TupleToolsTest, Slice) {
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auto tuple = std::make_tuple(2, 3, 5, 7, 11, 13);
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EXPECT_EQ((tuple_slice<1, 5>(tuple)), std::make_tuple(3, 5, 7, 11));
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EXPECT_EQ((tuple_slice<2, 3>(tuple)), std::make_tuple(5));
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// negative indices
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EXPECT_EQ((tuple_slice<1, -2>(tuple)), std::make_tuple(3, 5, 7));
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EXPECT_EQ((tuple_slice<-4, 6>(tuple)), std::make_tuple(5, 7, 11, 13));
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EXPECT_EQ((tuple_slice<-3, -1>(tuple)), std::make_tuple(7, 11));
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// empty slices
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EXPECT_EQ((tuple_slice<0, 0>(tuple)), std::make_tuple());
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EXPECT_EQ((tuple_slice<3, 3>(tuple)), std::make_tuple());
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EXPECT_EQ((tuple_slice<-2, -2>(tuple)), std::make_tuple());
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// specify void as the End argument
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EXPECT_EQ((tuple_slice<2, void>(tuple)), std::make_tuple(5, 7, 11, 13));
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EXPECT_EQ((tuple_slice<-2, void>(tuple)), std::make_tuple(11, 13));
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// omit the End argument
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EXPECT_EQ((tuple_slice<2>(tuple)), std::make_tuple(5, 7, 11, 13));
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EXPECT_EQ((tuple_slice<-2>(tuple)), std::make_tuple(11, 13));
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// empty input tuples
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EXPECT_EQ((tuple_slice<0>(std::make_tuple())), std::make_tuple());
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EXPECT_EQ((tuple_slice<0, 0>(std::make_tuple())), std::make_tuple());
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}
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} // namespace
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} // namespace mujoco::util
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