308571074c
This is an artifact from merging MLIR into LLVM, the file headers are now aligned with the rest of the project.
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
//===- Test.h - Simple macros for API unit tests ----------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file define simple macros for declaring test functions and running them.
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// The actual checking must be performed on the outputs with FileCheck.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MLIR_TEST_TEST_H_
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#define MLIR_TEST_TEST_H_
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#include <functional>
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#include <vector>
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namespace test_detail {
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// Returns a mutable list of known test functions. Used internally by test
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// macros to add and run tests. This function is static to ensure it creates a
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// new list in each test file.
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static std::vector<std::function<void()>> &tests() {
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static std::vector<std::function<void()>> list;
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return list;
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}
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// Test registration class. Used internally by test macros to register tests
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// during static allocation.
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struct TestRegistration {
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explicit TestRegistration(std::function<void()> func) {
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test_detail::tests().push_back(func);
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}
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};
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} // end namespace test_detail
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/// Declares a test function with the given name and adds it to the list of
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/// known tests. The body of the function must follow immediately. Example:
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///
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/// TEST_FUNC(mytest) {
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/// // CHECK: expected-output-here
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/// emitSomethingToStdOut();
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/// }
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///
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#define TEST_FUNC(name) \
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void name(); \
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static test_detail::TestRegistration name##Registration(name); \
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void name()
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/// Runs all registered tests. Example:
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///
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/// int main() {
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/// RUN_TESTS();
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/// return 0;
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/// }
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#define RUN_TESTS \
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[]() { \
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for (auto f : test_detail::tests()) \
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f(); \
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}
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#endif // MLIR_TEST_TEST_H_
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