Tools/TestWebKitAPI/Tests/WTF/LifecycleLogger.cpp

/*
 * Copyright (C) 2013-2017 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#include "config.h"
#include "LifecycleLogger.h"

namespace TestWebKitAPI {

LifecycleLogger::LifecycleLogger()
{
    log() << "construct(" << name << ") ";
}

LifecycleLogger::LifecycleLogger(const char* name)
    : name { name }
{
    log() << "construct(" << name << ") ";
}

LifecycleLogger::LifecycleLogger(const LifecycleLogger& other)
    : name { other.name }
{
    log() << "copy-construct(" << name << ") ";
}

LifecycleLogger::LifecycleLogger(LifecycleLogger&& other)
{
    std::swap(name, other.name);
    log() << "move-construct(" << name << ") ";
}

LifecycleLogger& LifecycleLogger::operator=(const LifecycleLogger& other)
{
    name = other.name;
    log() << "copy-assign(" << name << ") ";
    return *this;
}

LifecycleLogger& LifecycleLogger::operator=(LifecycleLogger&& other)
{
    std::swap(name, other.name);
    log() << "move-assign(" << name << ") ";
    return *this;
}

LifecycleLogger::~LifecycleLogger()
{
    log() << "destruct(" << name << ") ";
}

void LifecycleLogger::setName(const char* newName)
{
    name = newName;
    log() << "set-name(" << name << ") ";
}

TEST(LifecycleLogger, Basic)
{
    { LifecycleLogger l; }
    ASSERT_STREQ("construct(<default>) destruct(<default>) ", takeLogStr().c_str());

    { LifecycleLogger l("a"); }
    ASSERT_STREQ("construct(a) destruct(a) ", takeLogStr().c_str());

    { LifecycleLogger l("b"); LifecycleLogger l2(l); }
    ASSERT_STREQ("construct(b) copy-construct(b) destruct(b) destruct(b) ", takeLogStr().c_str());

    { LifecycleLogger l("c"); LifecycleLogger l2; l2 = l; }
    ASSERT_STREQ("construct(c) construct(<default>) copy-assign(c) destruct(c) destruct(c) ", takeLogStr().c_str());

    { LifecycleLogger l("d"); LifecycleLogger l2(WTFMove(l)); }
    ASSERT_STREQ("construct(d) move-construct(d) destruct(d) destruct(<default>) ", takeLogStr().c_str());

    { LifecycleLogger l("e"); LifecycleLogger l2; l2 = WTFMove(l); }
    ASSERT_STREQ("construct(e) construct(<default>) move-assign(e) destruct(e) destruct(<default>) ", takeLogStr().c_str());

    { LifecycleLogger l("f"); l.setName("x"); }
    ASSERT_STREQ("construct(f) set-name(x) destruct(x) ", takeLogStr().c_str());

    { static LifecycleLogger l("g"); }
    ASSERT_STREQ("construct(g) ", takeLogStr().c_str());
}

}