libclangmm/tests/completion_string_test.cc

#include "clangmm.h"
#include <cassert>
#include <regex>
#include <string>

int main() {
  {
    clangmm::CompletionChunk str("(", clangmm::CompletionChunk_LeftBrace);

    assert(str.text == "(");
    assert(str.kind == clangmm::CompletionChunk_LeftBrace);
  }

  {
    std::string tests_path = LIBCLANGMM_TESTS_PATH;
    std::string path(tests_path + "/case/main.cpp");

    std::vector<std::string> arguments;
    auto clang_version_string = clangmm::to_string(clang_getClangVersion());
    const static std::regex clang_version_regex("^[A-Za-z ]+([0-9.]+).*$");
    std::smatch sm;
    if(std::regex_match(clang_version_string, sm, clang_version_regex)) {
      auto clang_version = sm[1].str();
      arguments.emplace_back("-I/usr/lib/clang/" + clang_version + "/include");
      arguments.emplace_back("-I/usr/lib64/clang/" + clang_version + "/include"); // For Fedora
    }

    clangmm::Index index(0, 0);
    clangmm::TranslationUnit tu(index, path, arguments);

    std::string buffer = "#include <string>\n"
                         "int main(int argc, char *argv[]) {\n"
                         "std::string str;\n"
                         "str.\n"
                         "return 0\n"
                         "}";

    tu.reparse(buffer);
    auto results = tu.get_code_completions(buffer, 4, 5);

    auto str = results.get(0);

    assert(str.get_num_chunks() > 0);
    assert(str.get_chunks().size() > 0);
  }
}