mirror of
https://github.com/RGBCube/serenity
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6821cd45ed
Since Clang enables a couple of warnings that we don't have in GCC, these were not caught before. Included fixes: - Use correct printf format string for `size_t` - Don't compare Nonnull(Ref|Own)Ptr` to nullptr - Fix unsigned int& => unsigned long& conversion
60 lines
1.2 KiB
C++
60 lines
1.2 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/NonnullRefPtr.h>
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#include <AK/String.h>
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struct Object : public RefCounted<Object> {
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int x;
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};
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TEST_CASE(basics)
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{
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auto object = adopt_ref(*new Object);
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EXPECT_EQ(object->ref_count(), 1u);
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object->ref();
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EXPECT_EQ(object->ref_count(), 2u);
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object->unref();
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EXPECT_EQ(object->ref_count(), 1u);
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{
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NonnullRefPtr another = object;
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EXPECT_EQ(object->ref_count(), 2u);
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}
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EXPECT_EQ(object->ref_count(), 1u);
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}
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TEST_CASE(assign_reference)
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{
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auto object = adopt_ref(*new Object);
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EXPECT_EQ(object->ref_count(), 1u);
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object = *object;
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EXPECT_EQ(object->ref_count(), 1u);
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}
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TEST_CASE(assign_owner_of_self)
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{
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struct Object : public RefCounted<Object> {
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RefPtr<Object> parent;
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};
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auto parent = adopt_ref(*new Object);
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auto child = adopt_ref(*new Object);
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child->parent = move(parent);
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child = *child->parent;
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EXPECT_EQ(child->ref_count(), 1u);
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}
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TEST_CASE(swap_with_self)
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{
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auto object = adopt_ref(*new Object);
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swap(object, object);
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EXPECT_EQ(object->ref_count(), 1u);
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}
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