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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 "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
#include "third_party/blink/renderer/platform/wtf/text/string_view.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
WTF::StringView CannotReturnStringViewOfLocalString() {
WTF::String local_string{};
return local_string; // expected-error {{address of stack memory associated with local variable 'local_string' returned}}
}
WTF::String ReturnsAString() {
return {};
}
void CannotConstructStringViewThatOutlivesTemporaryString() {
WTF::StringView sv{ReturnsAString()}; // expected-error {{temporary whose address is used as value of local variable 'sv' will be destroyed at the end of the full-expression}}
// Also check the constructors that take offsets.
WTF::StringView sv2{ReturnsAString(), 0}; // expected-error {{temporary whose address is used as value of local variable 'sv2' will be destroyed at the end of the full-expression}}
WTF::StringView sv3{ReturnsAString(), 0, 0}; // expected-error {{temporary whose address is used as value of local variable 'sv3' will be destroyed at the end of the full-expression}}
}
WTF::StringView CannotReturnStringViewOfTemporaryString() {
return ReturnsAString(); // expected-error {{returning address of local temporary object}}
}
WTF::StringView CannotReturnStringViewOfLocalAtomicString() {
WTF::AtomicString local_string{};
return local_string; // expected-error {{address of stack memory associated with local variable 'local_string' returned}}
}
WTF::AtomicString ReturnsAnAtomicString() {
return {};
}
void CannotConstructStringViewThatOutlivesTemporaryAtomicString() {
WTF::StringView sv{ReturnsAnAtomicString()}; // expected-error {{temporary whose address is used as value of local variable 'sv' will be destroyed at the end of the full-expression}}
// Also check the constructors that take offsets.
WTF::StringView sv2{ReturnsAnAtomicString(), 0}; // expected-error {{temporary whose address is used as value of local variable 'sv2' will be destroyed at the end of the full-expression}}
WTF::StringView sv3{ReturnsAnAtomicString(), 0, 0}; // expected-error {{temporary whose address is used as value of local variable 'sv3' will be destroyed at the end of the full-expression}}
}
WTF::StringView CannotReturnStringViewOfTemporaryAtomicString() {
return ReturnsAnAtomicString(); // expected-error {{returning address of local temporary object}}
}
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