| // Copyright 2025 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This is a "No Compile Test" suite. |
| // http://dev.chromium.org/developers/testing/no-compile-tests |
| |
| #include "base/strings/lazy_string_builder.h" |
| |
| #include <string> |
| #include <string_view> |
| #include <vector> |
| |
| #include "base/strings/string_number_conversions.h" |
| |
| // Verify that passing an rvalue string to LazyStringBuilder::AppendByReference() will cause |
| // a compile error. |
| |
| namespace base { |
| namespace { |
| |
| void WontCompileRValueString() { |
| auto builder = LazyStringBuilder::CreateForTesting(); |
| std::string movable = "movable"; |
| builder.AppendByReference(std::string("foo")); // expected-error {{call to deleted member function}} |
| builder.AppendByReference(NumberToString(3)); // expected-error {{call to deleted member function}} |
| builder.AppendByReference(std::move(movable)); // expected-error {{call to deleted member function}} |
| builder.AppendByReference("hello ", std::string("world")); // expected-error {{no matching member function for call}} |
| builder.AppendByReference("value: ", NumberToString(7)); // expected-error {{no matching member function for call}} |
| builder.AppendByReference("", std::move(movable)); // expected-error {{no matching member function for call}} |
| } |
| |
| void WontCompileLifetimeError() { |
| auto builder = LazyStringBuilder::CreateForTesting(); |
| builder.AppendByReference(std::string_view(NumberToString(3))); // expected-error {{object whose reference is captured by 'builder' will be destroyed at the end of the full-expression}} |
| builder.AppendByReference("", std::string_view(NumberToString(3))); // expected-error {{object whose reference is captured by 'builder' will be destroyed at the end of the full-expression}} |
| builder.AppendByReference(NumberToString(3).c_str()); // expected-error {{object whose reference is captured by 'builder' will be destroyed at the end of the full-expression}} |
| builder.AppendByReference("", NumberToString(3).c_str()); // expected-error {{object whose reference is captured by 'builder' will be destroyed at the end of the full-expression}} |
| } |
| |
| void WontCompileLocal(LazyStringBuilder& builder) { |
| builder.AppendByReference(std::vector({'a', '\0'}).data()); // expected-error {{object whose reference is captured by 'builder' will be destroyed at the end of the full-expression}} |
| builder.AppendByReference("", std::vector({'a', '\0'}).data()); // expected-error {{object whose reference is captured by 'builder' will be destroyed at the end of the full-expression}} |
| } |
| |
| void WontCompileConstructorAccessRestricted() { |
| LazyStringBuilder builder1; // expected-error {{no matching constructor}} |
| LazyStringBuilder builder2({}); // expected-error {{calling a private constructor}} |
| LazyStringBuilder builder3{LazyStringBuilder::AccessKey()}; // expected-error {{calling a private constructor}} |
| } |
| |
| } // namespace |
| } // namespace base |
