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llvm-project/llvm/lib/Testing/Support/CMakeLists.txt

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Force #define GTEST_LANG_CXX11. gtest depends on this #define to determine whether it can use various classes like std::tuple, or whether it has to fall back to experimental classes in the std::tr1 namespace. The check in the current version of gtest relies on the value of the `__cplusplus` macro, but MSVC provides a non-conformant value of this macro, making it effectively impossible to detect C++11. In short, LLVM compiled with MSVC has been silently using the tr1 versions of several classes since the beginning of time. This would normally be pretty benign, except that in the latest preview of MSVC they have marked all of the tr1 classes deprecated, so it spews thousands of warnings. llvm-svn: 316798
2017-10-28 05:12:28 +08:00
add_definitions(-DGTEST_LANG_CXX11=1)
add_definitions(-DGTEST_HAS_TR1_TUPLE=0)
[gtest] Create a shared include directory for gtest utilities. 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 llvm-svn: 305395
2017-06-15 00:41:50 +08:00
add_llvm_library(LLVMTestingSupport
Error.cpp
BUILDTREE_ONLY
ADDITIONAL_HEADER_DIRS
${LLVM_MAIN_INCLUDE_DIR}/llvm/Testing/Support
)
include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googlemock/include)
target_link_libraries(LLVMTestingSupport PRIVATE gtest)