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[include-cleaner] Add regression tests for outliving File&Source Manager

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This commit is contained in:
Kadir Cetinkaya
2023-11-17 10:14:47 +01:00
parent 0b0440613f
commit 7aaa86b28d
1 changed files with 30 additions and 0 deletions
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30
clang-tools-extra/include-cleaner/unittests/RecordTest.cpp
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@@ -558,5 +558,35 @@ TEST_F(PragmaIncludeTest, ExportInUnnamedBuffer) {
PI.getExporters(llvm::cantFail(FM->getFileRef("foo.h")), *FM),
testing::ElementsAre(llvm::cantFail(FM->getFileRef("exporter.h"))));
}
TEST_F(PragmaIncludeTest, OutlivesFMAndSM) {
Inputs.Code = R"cpp(
#include "public.h"
)cpp";
Inputs.ExtraFiles["public.h"] = R"cpp(
#include "private.h"
#include "private2.h" // IWYU pragma: export
)cpp";
Inputs.ExtraFiles["private.h"] = R"cpp(
// IWYU pragma: private, include "public.h"
)cpp";
Inputs.ExtraFiles["private2.h"] = R"cpp(
// IWYU pragma: private
)cpp";
build(); // Fills up PI, file/source manager used is destroyed afterwards.
Inputs.MakeAction = nullptr; // Don't populate PI anymore.
// Now this build gives us a new File&Source Manager.
TestAST Processed = build();
auto &FM = Processed.fileManager();
auto PrivateFE = FM.getFile("private.h");
assert(PrivateFE);
EXPECT_EQ(PI.getPublic(PrivateFE.get()), "\"public.h\"");
auto Private2FE = FM.getFile("private2.h");
assert(Private2FE);
EXPECT_THAT(PI.getExporters(Private2FE.get(), FM),
testing::ElementsAre(llvm::cantFail(FM.getFileRef("public.h"))));
}
} // namespace
} // namespace clang::include_cleaner