1 //===- unittests/ADT/IListNodeTest.cpp - ilist_node unit tests ------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "llvm/ADT/ilist_node.h"
10 #include "gtest/gtest.h"
11 #include <type_traits>
12
13 using namespace llvm;
14 using namespace llvm::ilist_detail;
15
16 namespace {
17
18 struct Node;
19
20 struct TagA {};
21 struct TagB {};
22 struct ParentA {};
23 struct ParentB {};
24
TEST(IListNodeTest,Options)25 TEST(IListNodeTest, Options) {
26 static_assert(
27 std::is_same_v<compute_node_options<Node>::type,
28 compute_node_options<Node, ilist_tag<void>>::type>,
29 "default tag is void");
30 static_assert(
31 !std::is_same_v<compute_node_options<Node, ilist_tag<TagA>>::type,
32 compute_node_options<Node, ilist_tag<void>>::type>,
33 "default tag is void, different from TagA");
34 static_assert(
35 !std::is_same_v<compute_node_options<Node, ilist_tag<TagA>>::type,
36 compute_node_options<Node, ilist_tag<TagB>>::type>,
37 "TagA is not TagB");
38 static_assert(
39 std::is_same_v<
40 compute_node_options<Node, ilist_sentinel_tracking<false>>::type,
41 compute_node_options<Node, ilist_sentinel_tracking<false>,
42 ilist_tag<void>>::type>,
43 "default tag is void, even with sentinel tracking off");
44 static_assert(
45 std::is_same_v<
46 compute_node_options<Node, ilist_sentinel_tracking<false>>::type,
47 compute_node_options<Node, ilist_tag<void>,
48 ilist_sentinel_tracking<false>>::type>,
49 "order shouldn't matter");
50 static_assert(
51 std::is_same_v<
52 compute_node_options<Node, ilist_sentinel_tracking<true>>::type,
53 compute_node_options<Node, ilist_sentinel_tracking<true>,
54 ilist_tag<void>>::type>,
55 "default tag is void, even with sentinel tracking on");
56 static_assert(
57 std::is_same_v<
58 compute_node_options<Node, ilist_sentinel_tracking<true>>::type,
59 compute_node_options<Node, ilist_tag<void>,
60 ilist_sentinel_tracking<true>>::type>,
61 "order shouldn't matter");
62 static_assert(
63 std::is_same_v<compute_node_options<Node, ilist_sentinel_tracking<true>,
64 ilist_tag<TagA>>::type,
65 compute_node_options<Node, ilist_tag<TagA>,
66 ilist_sentinel_tracking<true>>::type>,
67 "order shouldn't matter with real tags");
68 static_assert(
69 std::is_same_v<compute_node_options<Node>::type,
70 compute_node_options<Node, ilist_parent<void>>::type>,
71 "default parent is void");
72 static_assert(
73 !std::is_same_v<compute_node_options<Node, ilist_parent<ParentA>>::type,
74 compute_node_options<Node, ilist_parent<void>>::type>,
75 "ParentA is not void");
76 static_assert(
77 !std::is_same_v<compute_node_options<Node, ilist_parent<ParentA>>::type,
78 compute_node_options<Node, ilist_parent<ParentB>>::type>,
79 "ParentA is not ParentB");
80 }
81
82 } // end namespace
83