70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
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//===- unittests/ADT/IListNodeTest.cpp - ilist_node unit tests ------------===//
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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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#include "llvm/ADT/ilist_node.h"
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#include "gtest/gtest.h"
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#include <type_traits>
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using namespace llvm;
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using namespace llvm::ilist_detail;
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namespace {
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struct Node;
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struct TagA {};
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struct TagB {};
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TEST(IListNodeTest, Options) {
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static_assert(
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std::is_same<compute_node_options<Node>::type,
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compute_node_options<Node, ilist_tag<void>>::type>::value,
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"default tag is void");
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static_assert(
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!std::is_same<compute_node_options<Node, ilist_tag<TagA>>::type,
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compute_node_options<Node, ilist_tag<void>>::type>::value,
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"default tag is void, different from TagA");
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static_assert(
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!std::is_same<compute_node_options<Node, ilist_tag<TagA>>::type,
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compute_node_options<Node, ilist_tag<TagB>>::type>::value,
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"TagA is not TagB");
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static_assert(
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std::is_same<
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compute_node_options<Node, ilist_sentinel_tracking<false>>::type,
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compute_node_options<Node, ilist_sentinel_tracking<false>,
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ilist_tag<void>>::type>::value,
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"default tag is void, even with sentinel tracking off");
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static_assert(
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std::is_same<
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compute_node_options<Node, ilist_sentinel_tracking<false>>::type,
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compute_node_options<Node, ilist_tag<void>,
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ilist_sentinel_tracking<false>>::type>::value,
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"order shouldn't matter");
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static_assert(
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std::is_same<
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compute_node_options<Node, ilist_sentinel_tracking<true>>::type,
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compute_node_options<Node, ilist_sentinel_tracking<true>,
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ilist_tag<void>>::type>::value,
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"default tag is void, even with sentinel tracking on");
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static_assert(
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std::is_same<
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compute_node_options<Node, ilist_sentinel_tracking<true>>::type,
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compute_node_options<Node, ilist_tag<void>,
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ilist_sentinel_tracking<true>>::type>::value,
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"order shouldn't matter");
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static_assert(
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std::is_same<
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compute_node_options<Node, ilist_sentinel_tracking<true>,
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ilist_tag<TagA>>::type,
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compute_node_options<Node, ilist_tag<TagA>,
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ilist_sentinel_tracking<true>>::type>::value,
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"order shouldn't matter with real tags");
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}
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} // end namespace
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