clang-tools  14.0.0git
ASTSignalsTests.cpp
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1 //===-- ASTSignalsTests.cpp -------------------------------------*- C++ -*-===//
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 #include "AST.h"
9 
10 #include "ParsedAST.h"
11 #include "TestIndex.h"
12 #include "TestTU.h"
13 #include "llvm/ADT/StringRef.h"
14 #include "gmock/gmock.h"
15 #include "gtest/gtest.h"
16 
17 namespace clang {
18 namespace clangd {
19 namespace {
20 
21 using ::testing::_;
22 using ::testing::Pair;
23 using ::testing::UnorderedElementsAre;
24 
25 TEST(ASTSignals, Derive) {
26  TestTU TU = TestTU::withCode(R"cpp(
27  namespace ns1 {
28  namespace ns2 {
29  namespace {
30  int func() {
31  tar::X a;
32  a.Y = 1;
33  return ADD(tar::kConst, a.Y, tar::foo()) + fooInNS2() + tar::foo();
34  }
35  } // namespace
36  } // namespace ns2
37  } // namespace ns1
38  )cpp");
39 
40  TU.HeaderCode = R"cpp(
41  #define ADD(x, y, z) (x + y + z)
42  namespace tar { // A related namespace.
43  int kConst = 5;
44  int foo();
45  void bar(); // Unused symbols are not recorded.
46  class X {
47  public: int Y;
48  };
49  } // namespace tar
50  namespace ns1::ns2 { int fooInNS2(); }}
51  )cpp";
52  ASTSignals Signals = ASTSignals::derive(TU.build());
53  std::vector<std::pair<StringRef, int>> NS;
54  for (const auto &P : Signals.RelatedNamespaces)
55  NS.emplace_back(P.getKey(), P.getValue());
56  EXPECT_THAT(NS, UnorderedElementsAre(Pair("ns1::", 1), Pair("ns1::ns2::", 1),
57  Pair("tar::", /*foo, kConst, X*/ 3)));
58 
59  std::vector<std::pair<SymbolID, int>> Sym;
60  for (const auto &P : Signals.ReferencedSymbols)
61  Sym.emplace_back(P.getFirst(), P.getSecond());
62  EXPECT_THAT(
63  Sym,
64  UnorderedElementsAre(
65  Pair(ns("tar").ID, 4), Pair(ns("ns1").ID, 1),
66  Pair(ns("ns1::ns2").ID, 1), Pair(_ /*int func();*/, 1),
67  Pair(cls("tar::X").ID, 1), Pair(var("tar::kConst").ID, 1),
68  Pair(func("tar::foo").ID, 2), Pair(func("ns1::ns2::fooInNS2").ID, 1),
69  Pair(sym("Y", index::SymbolKind::Variable, "@N@tar@S@X@FI@\\0").ID,
70  2),
71  Pair(_ /*a*/, 3)));
72 }
73 } // namespace
74 } // namespace clangd
75 } // namespace clang
clang::clangd::TEST
TEST(BackgroundQueueTest, Priority)
Definition: BackgroundIndexTests.cpp:751
TestTU.h
clang::clangd::var
Symbol var(llvm::StringRef Name)
Definition: TestIndex.cpp:68
clang::clangd::cls
Symbol cls(llvm::StringRef Name)
Definition: TestIndex.cpp:64
clang::clangd::func
Symbol func(llvm::StringRef Name)
Definition: TestIndex.cpp:60
clang::clangd::ns
Symbol ns(llvm::StringRef Name)
Definition: TestIndex.cpp:72
clang::clangd::TestTU::withCode
static TestTU withCode(llvm::StringRef Code)
Definition: TestTU.h:37
clang::clangd::sym
Symbol sym(llvm::StringRef QName, index::SymbolKind Kind, llvm::StringRef USRFormat)
Definition: TestIndex.cpp:39
ID
static char ID
Definition: Logger.cpp:74
TestIndex.h
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
AST.h
ParsedAST.h
clang::clangd::ASTSignals::derive
static ASTSignals derive(const ParsedAST &AST)
Definition: ASTSignals.cpp:15