| #include "ClangTidy.h" |
| #include "ClangTidyTest.h" |
| #include "gtest/gtest.h" |
| |
| namespace clang { |
| namespace tidy { |
| namespace test { |
| |
| namespace { |
| class TestCheck : public ClangTidyCheck { |
| public: |
| TestCheck(StringRef Name, ClangTidyContext *Context) |
| : ClangTidyCheck(Name, Context) { |
| diag("DiagWithNoLoc"); |
| } |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override { |
| Finder->addMatcher(ast_matchers::varDecl().bind("var"), this); |
| } |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override { |
| const auto *Var = Result.Nodes.getNodeAs<VarDecl>("var"); |
| // Add diagnostics in the wrong order. |
| diag(Var->getLocation(), "variable"); |
| diag(Var->getTypeSpecStartLoc(), "type specifier"); |
| } |
| }; |
| |
| class HighlightTestCheck : public ClangTidyCheck { |
| public: |
| HighlightTestCheck(StringRef Name, ClangTidyContext *Context) |
| : ClangTidyCheck(Name, Context) {} |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override { |
| Finder->addMatcher(ast_matchers::varDecl().bind("var"), this); |
| } |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override { |
| const auto *Var = Result.Nodes.getNodeAs<VarDecl>("var"); |
| diag(Var->getLocation(), "highlight range") << Var->getSourceRange(); |
| } |
| }; |
| |
| } // namespace |
| |
| TEST(ClangTidyDiagnosticConsumer, SortsErrors) { |
| std::vector<ClangTidyError> Errors; |
| runCheckOnCode<TestCheck>("int a;", &Errors); |
| EXPECT_EQ(3ul, Errors.size()); |
| EXPECT_EQ("DiagWithNoLoc", Errors[0].Message.Message); |
| EXPECT_EQ("type specifier", Errors[1].Message.Message); |
| EXPECT_EQ("variable", Errors[2].Message.Message); |
| } |
| |
| TEST(ClangTidyDiagnosticConsumer, HandlesSourceRangeHighlight) { |
| std::vector<ClangTidyError> Errors; |
| runCheckOnCode<HighlightTestCheck>("int abc;", &Errors); |
| EXPECT_EQ(1ul, Errors.size()); |
| EXPECT_EQ("highlight range", Errors[0].Message.Message); |
| |
| // int abc; |
| // ____^ |
| // 01234 |
| EXPECT_EQ(4ul, Errors[0].Message.FileOffset); |
| |
| // int abc |
| // ~~~~~~~ -> Length 7. (0-length highlights are nonsensical.) |
| EXPECT_EQ(1ul, Errors[0].Message.Ranges.size()); |
| EXPECT_EQ(0ul, Errors[0].Message.Ranges[0].FileOffset); |
| EXPECT_EQ(7ul, Errors[0].Message.Ranges[0].Length); |
| } |
| |
| } // namespace test |
| } // namespace tidy |
| } // namespace clang |