llvm/unittests/Demangle/DLangDemangleTest.cpp

   1 //===------------------ DLangDemangleTest.cpp -----------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "llvm/Demangle/Demangle.h"
  10 #include "gmock/gmock.h"
  11 #include "gtest/gtest.h"
  12
  13 #include <cstdlib>
  14 #include <string_view>
  15 #include <utility>
  16
  17 struct DLangDemangleTestFixture
  18     : public testing::TestWithParam<std::pair<std::string_view, const char *>> {
  19   char *Demangled;
  20
  21   void SetUp() override { Demangled = llvm::dlangDemangle(GetParam().first); }
  22
  23   void TearDown() override { std::free(Demangled); }
  24 };
  25
  26 TEST_P(DLangDemangleTestFixture, DLangDemangleTest) {
  27   EXPECT_STREQ(Demangled, GetParam().second);
  28 }
  29
  30 INSTANTIATE_TEST_SUITE_P(
  31     DLangDemangleTest, DLangDemangleTestFixture,
  32     testing::Values(
  33         std::make_pair("_Dmain", "D main"), std::make_pair("_Z", nullptr),
  34         std::make_pair("_DDD", nullptr), std::make_pair("_D88", nullptr),
  35         std::make_pair("_D8demangleZ", "demangle"),
  36         std::make_pair("_D8demangle4testZ", "demangle.test"),
  37         std::make_pair("_D8demangle4test5test2Z", "demangle.test.test2"),
  38         std::make_pair("_D8demangle4test0Z", "demangle.test"),
  39         std::make_pair("_D8demangle4test03fooZ", "demangle.test.foo"),
  40         std::make_pair("_D8demangle4test6__initZ",
  41                        "initializer for demangle.test"),
  42         std::make_pair("_D8demangle4test6__vtblZ", "vtable for demangle.test"),
  43         std::make_pair("_D8demangle4test7__ClassZ",
  44                        "ClassInfo for demangle.test"),
  45         std::make_pair("_D8demangle4test11__InterfaceZ",
  46                        "Interface for demangle.test"),
  47         std::make_pair("_D8demangle4test12__ModuleInfoZ",
  48                        "ModuleInfo for demangle.test"),
  49         std::make_pair("_D8demangle4__S14testZ", "demangle.test"),
  50         std::make_pair("_D8demangle4__Sd4testZ", "demangle.__Sd.test"),
  51         std::make_pair("_D8demangle3fooi", "demangle.foo"),
  52         std::make_pair("_D8demangle3foo",
  53                        nullptr), // symbol without a type sequence.
  54         std::make_pair("_D8demangle3fooinvalidtypeseq",
  55                        nullptr), // invalid type sequence.
  56         std::make_pair(
  57             "_D8demangle3ABCQe1ai",
  58             "demangle.ABC.ABC.a"), // symbol back reference: `Qe` is a back
  59                                    // reference for position 5, counting from e
  60                                    // char, so decoding it points to `3`. Since
  61                                    // `3` is a number, 3 chars get read and it
  62                                    // succeeded.
  63         std::make_pair("_D8demangle3ABCQa1ai",
  64                        nullptr), // invalid symbol back reference (recursive).
  65         std::make_pair("_D8demangleQDXXXXXXXXXXXXx",
  66                        nullptr), // overflow back reference position.
  67         std::make_pair(
  68             "_D8demangle4ABCi1aQd",
  69             "demangle.ABCi.a"), // type back reference: `Qd` is a back reference
  70                                 // for position 4, counting from `d` char, so
  71                                 // decoding it points to `i`.
  72         std::make_pair("_D8demangle3fooQXXXx",
  73                        nullptr), // invalid type back reference position.
  74         std::make_pair("_D8demangle5recurQa",
  75                        nullptr))); // invalid type back reference (recursive).