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| //===-- SemanticSelectionTests.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 "Annotations.h"
#include "ClangdServer.h"
#include "Matchers.h"
#include "Protocol.h"
#include "SemanticSelection.h"
#include "SourceCode.h"
#include "SyncAPI.h"
#include "TestFS.h"
#include "TestTU.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/Support/Error.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include <vector>
namespace clang {
namespace clangd {
namespace {
using ::testing::ElementsAreArray;
class IgnoreDiagnostics : public DiagnosticsConsumer {
void onDiagnosticsReady(PathRef File,
std::vector<Diag> Diagnostics) override {}
};
TEST(SemanticSelection, All) {
const char *Tests[] = {
R"cpp( // Single statement in a function body.
[[void func() [[{
[[[[int v = [[1^00]]]];]]
}]]]]
)cpp",
R"cpp( // Expression
[[void func() [[{
int a = 1;
// int v = (10 + 2) * (a + a);
[[[[int v = [[[[([[[[10^]] + 2]])]] * (a + a)]]]];]]
}]]]]
)cpp",
R"cpp( // Function call.
int add(int x, int y) { return x + y; }
[[void callee() [[{
// int res = add(11, 22);
[[[[int res = [[add([[1^1]], 22)]]]];]]
}]]]]
)cpp",
R"cpp( // Tricky macros.
#define MUL ) * (
[[void func() [[{
// int var = (4 + 15 MUL 6 + 10);
[[[[int var = [[[[([[4 + [[1^5]]]] MUL]] 6 + 10)]]]];]]
}]]]]
)cpp",
R"cpp( // Cursor inside a macro.
#define HASH(x) ((x) % 10)
[[void func() [[{
[[[[int a = [[HASH([[[[2^3]] + 34]])]]]];]]
}]]]]
)cpp",
R"cpp( // Cursor on a macro.
#define HASH(x) ((x) % 10)
[[void func() [[{
[[[[int a = [[HA^SH(23)]]]];]]
}]]]]
)cpp",
R"cpp( // Multiple declaration.
[[void func() [[{
[[[[int var1, var^2]], var3;]]
}]]]]
)cpp",
R"cpp( // Before comment.
[[void func() [[{
int var1 = 1;
[[[[int var2 = [[[[var1]]^ /*some comment*/ + 41]]]];]]
}]]]]
)cpp",
// Empty file.
"^",
// FIXME: We should get the whole DeclStmt as a range.
R"cpp( // Single statement in TU.
[[int v = [[1^00]]]];
)cpp",
// FIXME: No node found associated to the position.
R"cpp( // Cursor at end of VarDecl.
void func() {
int v = 100 + 100^;
}
)cpp",
// FIXME: No node found associated to the position.
R"cpp( // Cursor in between spaces.
void func() {
int v = 100 + ^ 100;
}
)cpp",
// Structs.
R"cpp(
struct AAA { struct BBB { static int ccc(); };};
[[void func() [[{
// int x = AAA::BBB::ccc();
[[[[int x = [[[[AAA::BBB::c^cc]]()]]]];]]
}]]]]
)cpp",
R"cpp(
struct AAA { struct BBB { static int ccc(); };};
[[void func() [[{
// int x = AAA::BBB::ccc();
[[[[int x = [[[[[[[[[[AA^A]]::]]BBB::]]ccc]]()]]]];]]
}]]]]
)cpp",
R"cpp( // Inside struct.
struct A { static int a(); };
[[struct B {
[[static int b() [[{
[[return [[[[1^1]] + 2]]]];
}]]]]
}]];
)cpp",
// Namespaces.
R"cpp(
[[namespace nsa {
[[namespace nsb {
static int ccc();
[[void func() [[{
// int x = nsa::nsb::ccc();
[[[[int x = [[[[nsa::nsb::cc^c]]()]]]];]]
}]]]]
}]]
}]]
)cpp",
};
for (const char *Test : Tests) {
auto T = Annotations(Test);
auto AST = TestTU::withCode(T.code()).build();
EXPECT_THAT(llvm::cantFail(getSemanticRanges(AST, T.point())),
ElementsAreArray(T.ranges()))
<< Test;
}
}
TEST(SemanticSelection, RunViaClangDServer) {
MockFSProvider FS;
IgnoreDiagnostics DiagConsumer;
MockCompilationDatabase CDB;
ClangdServer Server(CDB, FS, DiagConsumer, ClangdServer::optsForTest());
auto FooH = testPath("foo.h");
FS.Files[FooH] = R"cpp(
int foo(int x);
#define HASH(x) ((x) % 10)
)cpp";
auto FooCpp = testPath("Foo.cpp");
const char *SourceContents = R"cpp(
#include "foo.h"
[[void bar(int& inp) [[{
// inp = HASH(foo(inp));
[[inp = [[HASH([[foo([[in^p]])]])]]]];
}]]]]
)cpp";
Annotations SourceAnnotations(SourceContents);
FS.Files[FooCpp] = SourceAnnotations.code();
Server.addDocument(FooCpp, SourceAnnotations.code());
auto Ranges = runSemanticRanges(Server, FooCpp, SourceAnnotations.point());
ASSERT_TRUE(bool(Ranges))
<< "getSemanticRange returned an error: " << Ranges.takeError();
EXPECT_THAT(*Ranges, ElementsAreArray(SourceAnnotations.ranges()));
}
} // namespace
} // namespace clangd
} // namespace clang
|