Tools/TestWebKitAPI/Tests/WTF/glib/GUniquePtr.cpp

/*
 * Copyright (C) 2014 Igalia S.L.
 *
 * 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
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    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
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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 */

#include "config.h"

#include <gio/gio.h>

inline std::ostringstream& log()
{
    static std::ostringstream log;
    return log;
}

inline std::string takeLogStr()
{
    std::string string = log().str();
    log().str("");
    return string;
}

static void (* _g_free)(void*) = g_free;
#define g_free(x) \
    log() << "g_free(" << ptr << ");"; \
    _g_free(x);

static void (* _g_error_free)(GError*) = g_error_free;
#define g_error_free(x) \
    log() << "g_error_free(" << ptr << ");"; \
    _g_error_free(x);

static void (* _g_list_free)(GList*) = g_list_free;
#define g_list_free(x) \
    log() << "g_list_free(" << ptr << ");"; \
    _g_list_free(x);

static void (* _g_slist_free)(GSList*) = g_slist_free;
#define g_slist_free(x) \
    log() << "g_slist_free(" << ptr << ");"; \
    _g_slist_free(x);

static void (* _g_pattern_spec_free)(GPatternSpec*) = g_pattern_spec_free;
#define g_pattern_spec_free(x) \
    log() << "g_pattern_spec_free(" << ptr << ");"; \
    _g_pattern_spec_free(x);

static void (* _g_dir_close)(GDir*) = g_dir_close;
#define g_dir_close(x) \
    log() << "g_dir_close(" << ptr << ");"; \
    _g_dir_close(x);

static void (* _g_timer_destroy)(GTimer*) = g_timer_destroy;
#define g_timer_destroy(x) \
    log() << "g_timer_destroy(" << ptr << ");"; \
    _g_timer_destroy(x);

static void (* _g_key_file_free)(GKeyFile*) = g_key_file_free;
#define g_key_file_free(x) \
    log() << "g_key_file_free(" << ptr << ");"; \
    _g_key_file_free(x);

#include <wtf/glib/GUniquePtr.h>

namespace TestWebKitAPI {

TEST(WTF_GUniquePtr, Basic)
{
    std::ostringstream actual;

    {
        GUniquePtr<char> a(g_strdup("a"));
        actual << "g_free(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniquePtr<GError> a(g_error_new_literal(G_IO_ERROR, G_IO_ERROR_NOT_FOUND, "a"));
        actual << "g_error_free(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniquePtr<GList> a(g_list_prepend(nullptr, g_strdup("a")));
        actual << "g_list_free(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniquePtr<GSList> a(g_slist_prepend(nullptr, g_strdup("a")));
        actual << "g_slist_free(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniquePtr<GPatternSpec> a(g_pattern_spec_new("a"));
        actual << "g_pattern_spec_free(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniquePtr<GDir> a(g_dir_open("/tmp", 0, nullptr));
        actual << "g_dir_close(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniquePtr<GTimer> a(g_timer_new());
        actual << "g_timer_destroy(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniquePtr<GKeyFile> a(g_key_file_new());
        actual << "g_key_file_free(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");
}

static void returnOutChar(char** outChar)
{
    *outChar = g_strdup("a");
}

TEST(WTF_GUniquePtr, OutPtr)
{
    std::ostringstream actual;

    {
        GUniqueOutPtr<char> a;
        ASSERT_EQ(nullptr, a.get());
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniqueOutPtr<char> a;
        returnOutChar(&a.outPtr());
        actual << "g_free(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniqueOutPtr<char> a;
        returnOutChar(&a.outPtr());
        actual << "g_free(" << a.get() << ");";
        returnOutChar(&a.outPtr());
        ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
        actual.str("");
        actual << "g_free(" << a.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");

    {
        GUniqueOutPtr<char> a;
        returnOutChar(&a.outPtr());
        GUniquePtr<char> b(a.release());
        ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
        actual << "g_free(" << b.get() << ");";
    }
    ASSERT_STREQ(actual.str().c_str(), takeLogStr().c_str());
    actual.str("");
}

} // namespace TestWebKitAPI