| //===-- stl_extras_test.cpp ------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is a part of the ORC runtime. |
| // |
| // Note: |
| // This unit test was adapted from tests in |
| // llvm/unittests/ADT/STLExtrasTest.cpp |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "stl_extras.h" |
| #include "gtest/gtest.h" |
| |
| using namespace __orc_rt; |
| |
| TEST(STLExtrasTest, ApplyTuple) { |
| auto T = std::make_tuple(1, 3, 7); |
| auto U = __orc_rt::apply_tuple( |
| [](int A, int B, int C) { return std::make_tuple(A - B, B - C, C - A); }, |
| T); |
| |
| EXPECT_EQ(-2, std::get<0>(U)); |
| EXPECT_EQ(-4, std::get<1>(U)); |
| EXPECT_EQ(6, std::get<2>(U)); |
| |
| auto V = __orc_rt::apply_tuple( |
| [](int A, int B, int C) { |
| return std::make_tuple(std::make_pair(A, char('A' + A)), |
| std::make_pair(B, char('A' + B)), |
| std::make_pair(C, char('A' + C))); |
| }, |
| T); |
| |
| EXPECT_EQ(std::make_pair(1, 'B'), std::get<0>(V)); |
| EXPECT_EQ(std::make_pair(3, 'D'), std::get<1>(V)); |
| EXPECT_EQ(std::make_pair(7, 'H'), std::get<2>(V)); |
| } |
| |
| class apply_variadic { |
| static int apply_one(int X) { return X + 1; } |
| static char apply_one(char C) { return C + 1; } |
| static std::string apply_one(std::string S) { |
| return S.substr(0, S.size() - 1); |
| } |
| |
| public: |
| template <typename... Ts> auto operator()(Ts &&... Items) { |
| return std::make_tuple(apply_one(Items)...); |
| } |
| }; |
| |
| TEST(STLExtrasTest, ApplyTupleVariadic) { |
| auto Items = std::make_tuple(1, std::string("Test"), 'X'); |
| auto Values = __orc_rt::apply_tuple(apply_variadic(), Items); |
| |
| EXPECT_EQ(2, std::get<0>(Values)); |
| EXPECT_EQ("Tes", std::get<1>(Values)); |
| EXPECT_EQ('Y', std::get<2>(Values)); |
| } |