TEST( IdentifierCompleterTest, TagsEndToEndWorks ) {
IdentifierCompleter completer;
std::vector< std::string > tag_files;
tag_files.push_back( PathToTestFile( "basic.tags" ).string() );
completer.AddIdentifiersToDatabaseFromTagFiles( tag_files );
EXPECT_THAT( completer.CandidatesForQueryAndType( "fo", "cpp" ),
ElementsAre( "foosy",
"fooaaa" ) );
}
TEST_F( TranslationUnitTest, GoToDefinitionFails ) {
TranslationUnit unit( PathToTestFile( "goto.cpp" ).string(),
std::vector< UnsavedFile >(),
std::vector< std::string >(),
clang_index_ );
Location location = unit.GetDefinitionLocation(
19,
3,
std::vector< UnsavedFile >() );
EXPECT_FALSE( location.IsValid() );
}
TEST_F( TranslationUnitTest, GoToDeclarationWorks ) {
TranslationUnit unit( PathToTestFile( "goto.cpp" ).string(),
std::vector< UnsavedFile >(),
std::vector< std::string >(),
clang_index_ );
Location location = unit.GetDeclarationLocation(
19,
3,
std::vector< UnsavedFile >() );
EXPECT_EQ( 12, location.line_number_ );
EXPECT_EQ( 8, location.column_number_ );
EXPECT_TRUE( !location.filename_.empty() );
}
TEST_F( TranslationUnitTest, InvalidTranslationUnitStore ) {
// libclang fails to parse a file with no extension and no language flag -x
// given.
TranslationUnitStore translation_unit_store{ clang_index_ };
try {
translation_unit_store.GetOrCreate(
PathToTestFile( "file_without_extension" ).string(),
std::vector< UnsavedFile >(),
std::vector< std::string >() );
FAIL() << "Expected ClangParseError exception.";
} catch ( const ClangParseError &error ) {
EXPECT_STREQ( error.what(),
"An AST deserialization error occurred while parsing "
"the translation unit." );
} catch ( ... ) {
FAIL() << "Expected ClangParseError exception.";
}
}
TEST_F( TranslationUnitTest, ExceptionThrownOnParseFailure ) {
// Create a translation unit for a C++ file that is not saved on disk.
std::string filename = PathToTestFile( "unsaved_file.cpp" ).string();
UnsavedFile unsaved_file;
unsaved_file.filename_ = filename;
try {
// libclang requires a valid index to parse a file.
TranslationUnit( filename,
std::vector< UnsavedFile >{ unsaved_file },
std::vector< std::string >(),
nullptr );
FAIL() << "Expected ClangParseError exception.";
} catch ( const ClangParseError &error ) {
EXPECT_STREQ( error.what(), "Invalid arguments supplied "
"when parsing the translation unit." );
} catch ( ... ) {
FAIL() << "Expected ClangParseError exception.";
}
}
