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//===-- ASTSignalsTests.cpp -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "ASTSignals.h"
#include "TestIndex.h"
#include "TestTU.h"
#include "llvm/ADT/StringRef.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace clang {
namespace clangd {
namespace {
using ::testing::_;
using ::testing::Pair;
using ::testing::UnorderedElementsAre;
TEST(ASTSignals, Derive) {
TestTU TU = TestTU::withCode(R"cpp(
namespace ns1 {
namespace ns2 {
namespace {
int func() {
tar::X a;
a.Y = 1;
return ADD(tar::kConst, a.Y, tar::foo()) + fooInNS2() + tar::foo();
}
} // namespace
} // namespace ns2
} // namespace ns1
)cpp");
TU.HeaderCode = R"cpp(
#define ADD(x, y, z) (x + y + z)
namespace tar { // A related namespace.
int kConst = 5;
int foo();
void bar(); // Unused symbols are not recorded.
class X {
public: int Y;
};
} // namespace tar
namespace ns1::ns2 { int fooInNS2(); }}
)cpp";
ASTSignals Signals = ASTSignals::derive(TU.build());
std::vector<std::pair<StringRef, int>> NS;
for (const auto &P : Signals.RelatedNamespaces)
NS.emplace_back(P.getKey(), P.getValue());
EXPECT_THAT(NS, UnorderedElementsAre(Pair("ns1::", 1), Pair("ns1::ns2::", 1),
Pair("tar::", /*foo, kConst, X*/ 3)));
std::vector<std::pair<SymbolID, int>> Sym;
for (const auto &P : Signals.ReferencedSymbols)
Sym.emplace_back(P.getFirst(), P.getSecond());
EXPECT_THAT(
Sym,
UnorderedElementsAre(
Pair(ns("tar").ID, 4), Pair(ns("ns1").ID, 1),
Pair(ns("ns1::ns2").ID, 1), Pair(_ /*int func();*/, 1),
Pair(cls("tar::X").ID, 1), Pair(var("tar::kConst").ID, 1),
Pair(func("tar::foo").ID, 2), Pair(func("ns1::ns2::fooInNS2").ID, 1),
Pair(sym("Y", index::SymbolKind::Variable, "@N@tar@S@X@FI@\\0").ID,
2),
Pair(_ /*a*/, 3)));
EXPECT_EQ(Signals.InsertionDirective, Symbol::IncludeDirective::Include);
}
} // namespace
} // namespace clangd
} // namespace clang
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