| Lukasz Anforowicz | 68c2177 | 2018-01-13 03:42:44 | [diff] [blame] | 1 | // Copyright 2018 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <memory> |
| 6 | #include <string> |
| 7 | |
| 8 | #include "base/debug/alias.h" |
| 9 | #include "testing/gtest/include/gtest/gtest.h" |
| 10 | |
| 11 | TEST(DebugAlias, Test) { |
| 12 | std::unique_ptr<std::string> input = |
| 13 | std::make_unique<std::string>("string contents"); |
| 14 | |
| 15 | // Verify the contents get copied + the new local variable has the right type. |
| 16 | DEBUG_ALIAS_FOR_CSTR(copy1, input->c_str(), 100 /* > input->size() */); |
| 17 | static_assert(sizeof(copy1) == 100, |
| 18 | "Verification that copy1 has expected size"); |
| 19 | EXPECT_STREQ("string contents", copy1); |
| 20 | |
| 21 | // Verify that the copy is properly null-terminated even when it is smaller |
| 22 | // than the input string. |
| 23 | DEBUG_ALIAS_FOR_CSTR(copy2, input->c_str(), 3 /* < input->size() */); |
| 24 | static_assert(sizeof(copy2) == 3, |
| 25 | "Verification that copy2 has expected size"); |
| 26 | EXPECT_STREQ("st", copy2); |
| 27 | EXPECT_EQ('\0', copy2[2]); |
| 28 | } |
