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