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(
  22       "Hello Status",
  23       llvm::formatv("{0}", Status::FromErrorString("Hello Status")).str());
  24   EXPECT_EQ(
  25       "Hello",
  26       llvm::formatv("{0:5}", Status::FromErrorString("Hello Error")).str());
  27 }
  28
  29 TEST(StatusTest, ErrorConstructor) {
  30   EXPECT_TRUE(Status::FromError(llvm::Error::success()).Success());
  31
  32   Status eagain = Status::FromError(
  33       llvm::errorCodeToError(std::error_code(EAGAIN, std::generic_category())));
  34   EXPECT_TRUE(eagain.Fail());
  35   EXPECT_EQ(eErrorTypePOSIX, eagain.GetType());
  36   EXPECT_EQ(Status::ValueType(EAGAIN), eagain.GetError());
  37
  38   Status foo = Status::FromError(llvm::createStringError("foo"));
  39   EXPECT_TRUE(foo.Fail());
  40   EXPECT_EQ(eErrorTypeGeneric, foo.GetType());
  41   EXPECT_STREQ("foo", foo.AsCString());
  42
  43   foo = Status::FromError(llvm::Error::success());
  44   EXPECT_TRUE(foo.Success());
  45 }
  46
  47 TEST(StatusTest, ErrorCodeConstructor) {
  48   EXPECT_TRUE(Status(std::error_code()).Success());
  49
  50   Status eagain = std::error_code(EAGAIN, std::generic_category());
  51   EXPECT_TRUE(eagain.Fail());
  52   EXPECT_EQ(eErrorTypePOSIX, eagain.GetType());
  53   EXPECT_EQ(Status::ValueType(EAGAIN), eagain.GetError());
  54
  55   llvm::Error list = llvm::joinErrors(llvm::createStringError("foo"),
  56                                       llvm::createStringError("bar"));
  57   Status foobar = Status::FromError(std::move(list));
  58   EXPECT_EQ(std::string("foo\nbar"), std::string(foobar.AsCString()));
  59 }
  60
  61 TEST(StatusTest, ErrorConversion) {
  62   EXPECT_FALSE(bool(Status().ToError()));
  63
  64   llvm::Error eagain = Status(EAGAIN, ErrorType::eErrorTypePOSIX).ToError();
  65   EXPECT_TRUE(bool(eagain));
  66   std::error_code ec = llvm::errorToErrorCode(std::move(eagain));
  67   EXPECT_EQ(EAGAIN, ec.value());
  68   EXPECT_EQ(std::generic_category(), ec.category());
  69
  70   llvm::Error foo = Status::FromErrorString("foo").ToError();
  71   EXPECT_TRUE(bool(foo));
  72   EXPECT_EQ("foo", llvm::toString(std::move(foo)));
  73
  74   llvm::Error eperm = llvm::errorCodeToError({EPERM, std::generic_category()});
  75   llvm::Error eintr = llvm::errorCodeToError({EINTR, std::generic_category()});
  76   llvm::Error elist = llvm::joinErrors(std::move(eperm), std::move(eintr));
  77   elist = llvm::joinErrors(std::move(elist), llvm::createStringError("foo"));
  78   Status list = Status::FromError(std::move(elist));
  79   EXPECT_EQ((int)list.GetError(), EPERM);
  80   EXPECT_EQ(list.GetType(), eErrorTypePOSIX);
  81 }
  82
  83 #ifdef _WIN32
  84 TEST(StatusTest, ErrorWin32) {
  85   auto success = Status(NO_ERROR, ErrorType::eErrorTypeWin32);
  86   EXPECT_STREQ(NULL, success.AsCString());
  87   EXPECT_FALSE(success.ToError());
  88   EXPECT_TRUE(success.Success());
  89
  90   WCHAR name[128]{};
  91   ULONG nameLen = std::size(name);
  92   ULONG langs = 0;
  93   GetUserPreferredUILanguages(MUI_LANGUAGE_NAME, &langs,
  94                               reinterpret_cast<PZZWSTR>(&name), &nameLen);
  95   // Skip the following tests on non-English, non-US, locales because the
  96   // formatted messages will be different.
  97   bool skip = wcscmp(L"en-US", name) != 0;
  98
  99   Status s = Status(ERROR_ACCESS_DENIED, ErrorType::eErrorTypeWin32);
 100   EXPECT_TRUE(s.Fail());
 101   if (!skip)
 102     EXPECT_STREQ("Access is denied. ", s.AsCString());
 103
 104   s = Status(ERROR_IPSEC_IKE_TIMED_OUT, ErrorType::eErrorTypeWin32);
 105   if (!skip)
 106     EXPECT_STREQ("Negotiation timed out ", s.AsCString());
 107
 108   s = Status(16000, ErrorType::eErrorTypeWin32);
 109   if (!skip)
 110     EXPECT_STREQ("unknown error", s.AsCString());
 111 }
 112 #endif