lldb/unittests/Utility/StatusTest.cpp

   1 //===-- StatusTest.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 "lldb/Utility/Status.h"
  10 #include "gtest/gtest.h"
  11
  12 #ifdef _WIN32
  13 #include <windows.h>
  14 #endif
  15
  16 using namespace lldb_private;
  17 using namespace lldb;
  18
  19 TEST(StatusTest, Formatv) {
  20   EXPECT_EQ("", llvm::formatv("{0}", Status()).str());
  21   EXPECT_EQ("Hello Status", llvm::formatv("{0}", Status("Hello Status")).str());
  22   EXPECT_EQ("Hello", llvm::formatv("{0:5}", Status("Hello Error")).str());
  23 }
  24
  25 TEST(StatusTest, ErrorConstructor) {
  26   EXPECT_TRUE(Status(llvm::Error::success()).Success());
  27
  28   Status eagain(
  29       llvm::errorCodeToError(std::error_code(EAGAIN, std::generic_category())));
  30   EXPECT_TRUE(eagain.Fail());
  31   EXPECT_EQ(eErrorTypePOSIX, eagain.GetType());
  32   EXPECT_EQ(Status::ValueType(EAGAIN), eagain.GetError());
  33
  34   Status foo(llvm::make_error<llvm::StringError>(
  35       "foo", llvm::inconvertibleErrorCode()));
  36   EXPECT_TRUE(foo.Fail());
  37   EXPECT_EQ(eErrorTypeGeneric, foo.GetType());
  38   EXPECT_STREQ("foo", foo.AsCString());
  39
  40   foo = llvm::Error::success();
  41   EXPECT_TRUE(foo.Success());
  42 }
  43
  44 TEST(StatusTest, ErrorCodeConstructor) {
  45   EXPECT_TRUE(Status(std::error_code()).Success());
  46
  47   Status eagain = std::error_code(EAGAIN, std::generic_category());
  48   EXPECT_TRUE(eagain.Fail());
  49   EXPECT_EQ(eErrorTypePOSIX, eagain.GetType());
  50   EXPECT_EQ(Status::ValueType(EAGAIN), eagain.GetError());
  51 }
  52
  53 TEST(StatusTest, ErrorConversion) {
  54   EXPECT_FALSE(bool(Status().ToError()));
  55
  56   llvm::Error eagain = Status(EAGAIN, ErrorType::eErrorTypePOSIX).ToError();
  57   EXPECT_TRUE(bool(eagain));
  58   std::error_code ec = llvm::errorToErrorCode(std::move(eagain));
  59   EXPECT_EQ(EAGAIN, ec.value());
  60   EXPECT_EQ(std::generic_category(), ec.category());
  61
  62   llvm::Error foo = Status("foo").ToError();
  63   EXPECT_TRUE(bool(foo));
  64   EXPECT_EQ("foo", llvm::toString(std::move(foo)));
  65 }
  66
  67 #ifdef _WIN32
  68 TEST(StatusTest, ErrorWin32) {
  69   auto success = Status(NO_ERROR, ErrorType::eErrorTypeWin32);
  70   EXPECT_STREQ(NULL, success.AsCString());
  71   EXPECT_FALSE(success.ToError());
  72   EXPECT_TRUE(success.Success());
  73
  74   WCHAR name[128]{};
  75   ULONG nameLen = std::size(name);
  76   ULONG langs = 0;
  77   GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &langs,
  78                               reinterpret_cast<PZZWSTR>(&name), &nameLen);
  79   // Skip the following tests on non-English, non-US, locales because the
  80   // formatted messages will be different.
  81   bool skip = wcscmp(L"en-US", name) != 0;
  82
  83   auto s = Status(ERROR_ACCESS_DENIED, ErrorType::eErrorTypeWin32);
  84   EXPECT_TRUE(s.Fail());
  85   if (!skip)
  86     EXPECT_STREQ("Access is denied. ", s.AsCString());
  87
  88   s.SetError(ERROR_IPSEC_IKE_TIMED_OUT, ErrorType::eErrorTypeWin32);
  89   if (!skip)
  90     EXPECT_STREQ("Negotiation timed out ", s.AsCString());
  91
  92   s.SetError(16000, ErrorType::eErrorTypeWin32);
  93   if (!skip)
  94     EXPECT_STREQ("unknown error", s.AsCString());
  95 }
  96 #endif