| 1 | //===- unittests/ADT/IListNodeTest.cpp - ilist_node unit tests ------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "llvm/ADT/ilist_node.h" |
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| 10 | #include "gtest/gtest.h" |
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| 11 | #include <type_traits> |
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| 12 | |
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| 13 | using namespace llvm; |
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| 14 | using namespace llvm::ilist_detail; |
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| 15 | |
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| 16 | namespace { |
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| 17 | |
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| 18 | struct Node; |
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| 19 | |
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| 20 | struct TagA {}; |
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| 21 | struct TagB {}; |
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| 22 | |
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| 23 | TEST(IListNodeTest, Options) { |
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| 24 | static_assert( |
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| 25 | std::is_same_v<compute_node_options<Node>::type, |
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| 26 | compute_node_options<Node, ilist_tag<void>>::type>, |
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| 27 | "default tag is void" ); |
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| 28 | static_assert( |
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| 29 | !std::is_same_v<compute_node_options<Node, ilist_tag<TagA>>::type, |
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| 30 | compute_node_options<Node, ilist_tag<void>>::type>, |
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| 31 | "default tag is void, different from TagA" ); |
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| 32 | static_assert( |
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| 33 | !std::is_same_v<compute_node_options<Node, ilist_tag<TagA>>::type, |
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| 34 | compute_node_options<Node, ilist_tag<TagB>>::type>, |
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| 35 | "TagA is not TagB" ); |
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| 36 | static_assert( |
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| 37 | std::is_same_v< |
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| 38 | compute_node_options<Node, ilist_sentinel_tracking<false>>::type, |
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| 39 | compute_node_options<Node, ilist_sentinel_tracking<false>, |
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| 40 | ilist_tag<void>>::type>, |
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| 41 | "default tag is void, even with sentinel tracking off" ); |
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| 42 | static_assert( |
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| 43 | std::is_same_v< |
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| 44 | compute_node_options<Node, ilist_sentinel_tracking<false>>::type, |
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| 45 | compute_node_options<Node, ilist_tag<void>, |
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| 46 | ilist_sentinel_tracking<false>>::type>, |
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| 47 | "order shouldn't matter" ); |
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| 48 | static_assert( |
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| 49 | std::is_same_v< |
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| 50 | compute_node_options<Node, ilist_sentinel_tracking<true>>::type, |
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| 51 | compute_node_options<Node, ilist_sentinel_tracking<true>, |
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| 52 | ilist_tag<void>>::type>, |
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| 53 | "default tag is void, even with sentinel tracking on" ); |
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| 54 | static_assert( |
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| 55 | std::is_same_v< |
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| 56 | compute_node_options<Node, ilist_sentinel_tracking<true>>::type, |
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| 57 | compute_node_options<Node, ilist_tag<void>, |
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| 58 | ilist_sentinel_tracking<true>>::type>, |
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| 59 | "order shouldn't matter" ); |
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| 60 | static_assert( |
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| 61 | std::is_same_v<compute_node_options<Node, ilist_sentinel_tracking<true>, |
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| 62 | ilist_tag<TagA>>::type, |
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| 63 | compute_node_options<Node, ilist_tag<TagA>, |
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| 64 | ilist_sentinel_tracking<true>>::type>, |
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| 65 | "order shouldn't matter with real tags" ); |
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| 66 | } |
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| 67 | |
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| 68 | } // end namespace |
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| 69 | |
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