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 } 29
