diff options
Diffstat (limited to 'llvm/include/llvm/Testing/Support/Error.h')
| -rw-r--r-- | llvm/include/llvm/Testing/Support/Error.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/llvm/include/llvm/Testing/Support/Error.h b/llvm/include/llvm/Testing/Support/Error.h index cd5b79cd6bfb..c04e4e2abf0c 100644 --- a/llvm/include/llvm/Testing/Support/Error.h +++ b/llvm/include/llvm/Testing/Support/Error.h @@ -42,7 +42,7 @@ public: bool result = Matcher.MatchAndExplain(*Holder.Exp, listener); - if (result) + if (result || !listener->IsInterested()) return result; *listener << "("; Matcher.DescribeNegationTo(listener->stream()); @@ -165,6 +165,27 @@ private: #define ASSERT_THAT_ERROR(Err, Matcher) \ ASSERT_THAT(llvm::detail::TakeError(Err), Matcher) +/// Helper macro for checking the result of an 'Expected<T>' +/// +/// @code{.cpp} +/// // function to be tested +/// Expected<int> myDivide(int A, int B); +/// +/// TEST(myDivideTests, GoodAndBad) { +/// // test good case +/// // if you only care about success or failure: +/// EXPECT_THAT_EXPECTED(myDivide(10, 5), Succeeded()); +/// // if you also care about the value: +/// EXPECT_THAT_EXPECTED(myDivide(10, 5), HasValue(2)); +/// +/// // test the error case +/// EXPECT_THAT_EXPECTED(myDivide(10, 0), Failed()); +/// // also check the error message +/// EXPECT_THAT_EXPECTED(myDivide(10, 0), +/// FailedWithMessage("B must not be zero!")); +/// } +/// @endcode + #define EXPECT_THAT_EXPECTED(Err, Matcher) \ EXPECT_THAT(llvm::detail::TakeExpected(Err), Matcher) #define ASSERT_THAT_EXPECTED(Err, Matcher) \ |