| // Copyright 2024 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include"base/compiler_specific.h" |
| #include"testing/gtest/include/gtest/gtest.h" |
| |
| namespace{ |
| |
| template<int A=0,int B=0> |
| UNSAFE_BUFFER_USAGEint uses_pointer_as_array(int* i){ |
| return UNSAFE_BUFFERS(i[1]); |
| } |
| |
| TEST(UnsafeBuffers,Macro){ |
| int arr[]={1,2}; |
| |
| // Should compile even with -Wunsafe-buffer-usage. |
| int x= UNSAFE_BUFFERS(uses_pointer_as_array(arr)); |
| EXPECT_EQ(x,2); |
| |
| // Should compile even with -Wunsafe-buffer-usage. |
| UNSAFE_BUFFERS({ |
| uses_pointer_as_array(arr); |
| uses_pointer_as_array(arr); |
| }); |
| |
| // Commas don't break things. This comma is not wrapped in `()` which verifies |
| // the macro handles the comma correctly. `()` would hide the comma from the |
| // macro. |
| int y= UNSAFE_BUFFERS(uses_pointer_as_array<1,1>(arr)); |
| EXPECT_EQ(y,2); |
| } |
| |
| }// namespace |
