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Merge "Add macros to check for successful Result"

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Bernie Innocenti 2020-02-06 12:32:59 +00:00 committed by Gerrit Code Review
commit 4df09e4685
1 changed files with 23 additions and 0 deletions
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23
base/include/android-base/result.h
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@ -204,5 +204,28 @@ inline Error ErrnoErrorf(const char* fmt, const Args&... args) {
template <typename T>
using Result = android::base::expected<T, ResultError>;
// Macros for testing the results of functions that return android::base::Result.
// These also work with base::android::expected.
#define CHECK_RESULT_OK(stmt) \
do { \
const auto& tmp = (stmt); \
CHECK(tmp.ok()) << tmp.error(); \
} while (0)
#define ASSERT_RESULT_OK(stmt) \
do { \
const auto& tmp = (stmt); \
ASSERT_TRUE(tmp.ok()) << tmp.error(); \
} while (0)
#define EXPECT_RESULT_OK(stmt) \
do { \
auto tmp = (stmt); \
EXPECT_TRUE(tmp.ok()) << tmp.error(); \
} while (0)
// TODO: Maybe add RETURN_IF_ERROR() and ASSIGN_OR_RETURN()
} // namespace base
} // namespace android