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// 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.
// This is a "No Compile Test" suite.
// http://dev.chromium.org/developers/testing/no-compile-tests
#include "base/strings/cstring_view.h"
#include <vector>
namespace base {
namespace {
void WontCompileTypeMismatch() {
cstring_view(u"123"); // expected-error {{no matching conversion}}
cstring_view(U"123"); // expected-error {{no matching conversion}}
u16cstring_view("123"); // expected-error {{no matching conversion}}
u16cstring_view(U"123"); // expected-error {{no matching conversion}}
u32cstring_view("123"); // expected-error {{no matching conversion}}
u32cstring_view(u"123"); // expected-error {{no matching conversion}}
#if BUILDFLAG(IS_WIN)
cstring_view(L""); // expected-error {{no matching conversion}}
u16cstring_view(L""); // expected-error {{no matching conversion}}
u32cstring_view(L""); // expected-error {{no matching conversion}}
wcstring_view(""); // expected-error {{no matching conversion}}
wcstring_view(u""); // expected-error {{no matching conversion}}
wcstring_view(U""); // expected-error {{no matching conversion}}
#endif
}
void WontCompileNoNulInArray() {
const char abc_good[] = {'a', 'b', 'c', '\0'};
auto v1 = cstring_view(abc_good); // No error, NUL exists.
#if defined(__clang__)
const char abc_bad[] = {'a', 'b', 'c'};
const char after = 'd';
auto v2 = cstring_view(abc_bad); // expected-error {{no matching conversion}}
#endif
}
void WontCompileNullptr() {
auto v = cstring_view(nullptr); // expected-error {{no matching conversion}}
}
void WontCompileCompareTypeMismatch() {
// TODO(crbug.com/330213589): This should be testable with a static_assert on
// a concept.
(void)(cstring_view() == u16cstring_view()); // expected-error {{invalid operands to binary expression}}
(void)(cstring_view() <=> u16cstring_view()); // expected-error {{invalid operands to binary expression}}
}
void WontCompileSwapTypeMismatch() {
auto a = cstring_view("8");
auto b = u16cstring_view(u"16");
a.swap(b); // expected-error {{cannot bind to a value of unrelated type}}
}
void WontCompileStartsEndWithMismatch() {
u16cstring_view(u"abc").starts_with("ab"); // expected-error {{no matching member function}}
u16cstring_view(u"abc").ends_with("ab"); // expected-error {{no matching member function}}
}
void WontCompileDanglingInput() {
// TODO: construct from string.
// auto v1 = cstring_view(std::string("abc"));
}
} // namespace
} // namespace base
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