llvm-capstone/mlir/test/APITest.h
Mehdi Amini 308571074c Mass update the MLIR license header to mention "Part of the LLVM project"
This is an artifact from merging MLIR into LLVM, the file headers are
now aligned with the rest of the project.
2020-01-26 03:58:30 +00:00

64 lines
2.2 KiB
C++

//===- Test.h - Simple macros for API unit tests ----------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file define simple macros for declaring test functions and running them.
// The actual checking must be performed on the outputs with FileCheck.
//
//===----------------------------------------------------------------------===//
#ifndef MLIR_TEST_TEST_H_
#define MLIR_TEST_TEST_H_
#include <functional>
#include <vector>
namespace test_detail {
// Returns a mutable list of known test functions. Used internally by test
// macros to add and run tests. This function is static to ensure it creates a
// new list in each test file.
static std::vector<std::function<void()>> &tests() {
static std::vector<std::function<void()>> list;
return list;
}
// Test registration class. Used internally by test macros to register tests
// during static allocation.
struct TestRegistration {
explicit TestRegistration(std::function<void()> func) {
test_detail::tests().push_back(func);
}
};
} // end namespace test_detail
/// Declares a test function with the given name and adds it to the list of
/// known tests. The body of the function must follow immediately. Example:
///
/// TEST_FUNC(mytest) {
/// // CHECK: expected-output-here
/// emitSomethingToStdOut();
/// }
///
#define TEST_FUNC(name) \
void name(); \
static test_detail::TestRegistration name##Registration(name); \
void name()
/// Runs all registered tests. Example:
///
/// int main() {
/// RUN_TESTS();
/// return 0;
/// }
#define RUN_TESTS \
[]() { \
for (auto f : test_detail::tests()) \
f(); \
}
#endif // MLIR_TEST_TEST_H_