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83a953d909
Many times unit tests for different libraries would like to use the same helper functions for checking common types of errors. This patch adds a common library with helpers for testing things in Support, and introduces helpers in here for integrating the llvm::Error and llvm::Expected<T> classes with gtest and gmock. Normally, we would just be able to write: EXPECT_THAT(someFunction(), succeeded()); but due to some quirks in llvm::Error's move semantics, gmock doesn't make this easy, so two macros EXPECT_THAT_ERROR() and EXPECT_THAT_EXPECTED() are introduced to gloss over the difficulties. Consider this an exception, and possibly only temporary as we look for ways to improve this. Differential Revision: https://reviews.llvm.org/D33059 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305395 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
666 B
C++
23 lines
666 B
C++
//===- llvm/Testing/Support/Error.cpp -------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Testing/Support/Error.h"
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#include "llvm/ADT/StringRef.h"
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using namespace llvm;
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llvm::detail::ErrorHolder llvm::detail::TakeError(llvm::Error Err) {
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bool Succeeded = !static_cast<bool>(Err);
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std::string Message;
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if (!Succeeded)
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Message = toString(std::move(Err));
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return {Succeeded, Message};
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}
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