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66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h>
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#include <AK/String.h>
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#include <AK/WeakPtr.h>
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#include <AK/Weakable.h>
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#ifdef __clang__
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wunused-private-field"
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#endif
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class SimpleWeakable : public Weakable<SimpleWeakable>
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, public RefCounted<SimpleWeakable> {
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public:
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SimpleWeakable() = default;
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private:
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int m_member { 123 };
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};
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#ifdef __clang__
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# pragma clang diagnostic pop
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#endif
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TEST_CASE(basic_weak)
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{
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WeakPtr<SimpleWeakable> weak1;
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WeakPtr<SimpleWeakable> weak2;
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{
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auto simple = adopt_ref(*new SimpleWeakable);
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weak1 = simple;
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weak2 = simple;
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EXPECT_EQ(weak1.is_null(), false);
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EXPECT_EQ(weak2.is_null(), false);
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EXPECT_EQ(weak1.strong_ref().ptr(), simple.ptr());
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EXPECT_EQ(weak1.strong_ref().ptr(), weak2.strong_ref().ptr());
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}
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EXPECT_EQ(weak1.is_null(), true);
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EXPECT_EQ(weak1.strong_ref().ptr(), nullptr);
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EXPECT_EQ(weak1.strong_ref().ptr(), weak2.strong_ref().ptr());
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}
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TEST_CASE(weakptr_move)
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{
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WeakPtr<SimpleWeakable> weak1;
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WeakPtr<SimpleWeakable> weak2;
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{
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auto simple = adopt_ref(*new SimpleWeakable);
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weak1 = simple;
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weak2 = move(weak1);
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EXPECT_EQ(weak1.is_null(), true);
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EXPECT_EQ(weak2.is_null(), false);
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EXPECT_EQ(weak2.strong_ref().ptr(), simple.ptr());
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}
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EXPECT_EQ(weak2.is_null(), true);
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}
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