| //===-- ExpandMacroTests.cpp ------------------------------------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "TestTU.h" |
| #include "TweakTesting.h" |
| #include "gmock/gmock-matchers.h" |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| |
| namespace clang { |
| namespace clangd { |
| namespace { |
| |
| TWEAK_TEST(ExpandMacro); |
| |
| TEST_F(ExpandMacroTest, Test) { |
| Header = R"cpp( |
| // error-ok: not real c++, just token manipulation |
| #define FOO 1 2 3 |
| #define FUNC(X) X+X+X |
| #define EMPTY |
| #define EMPTY_FN(X) |
| )cpp"; |
| |
| // Available on macro names, not available anywhere else. |
| EXPECT_AVAILABLE("^F^O^O^ BAR ^F^O^O^"); |
| EXPECT_AVAILABLE("^F^U^N^C^(1)"); |
| EXPECT_UNAVAILABLE("^#^d^efine^ ^XY^Z 1 ^2 ^3^"); |
| EXPECT_UNAVAILABLE("FOO ^B^A^R^ FOO ^"); |
| EXPECT_UNAVAILABLE("FUNC(^1^)^"); |
| |
| // Works as expected on object-like macros. |
| EXPECT_EQ(apply("^FOO BAR FOO"), "1 2 3 BAR FOO"); |
| EXPECT_EQ(apply("FOO BAR ^FOO"), "FOO BAR 1 2 3"); |
| // And function-like macros. |
| EXPECT_EQ(apply("F^UNC(2)"), "2 + 2 + 2"); |
| |
| // Works on empty macros. |
| EXPECT_EQ(apply("int a ^EMPTY;"), "int a ;"); |
| EXPECT_EQ(apply("int a ^EMPTY_FN(1 2 3);"), "int a ;"); |
| EXPECT_EQ(apply("int a = 123 ^EMPTY EMPTY_FN(1);"), |
| "int a = 123 EMPTY_FN(1);"); |
| EXPECT_EQ(apply("int a = 123 ^EMPTY_FN(1) EMPTY;"), "int a = 123 EMPTY;"); |
| EXPECT_EQ(apply("int a = 123 EMPTY_FN(1) ^EMPTY;"), |
| "int a = 123 EMPTY_FN(1) ;"); |
| } |
| |
| } // namespace |
| } // namespace clangd |
| } // namespace clang |