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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2021 Mike Becker, Olaf Wintermann 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
 *      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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR 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 THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "cx/allocator.h"
#include <gtest/gtest.h>

TEST(Allocator, DefaultAllocator) {
    cx_allocator_class *clazz = cxDefaultAllocator->cl;
    ASSERT_NE(clazz, nullptr);
}

TEST(Allocator, DefaultMalloc) {
    void *test = cxMalloc(cxDefaultAllocator, 16);
    ASSERT_NE(test, nullptr);
    free(test);
}

TEST(Allocator, DefaultRealloc) {
    void *test = calloc(8, 1);
    memcpy(test, "Test", 5);
    test = cxRealloc(cxDefaultAllocator, test, 16);
    ASSERT_NE(test, nullptr);
    EXPECT_STREQ(reinterpret_cast<char *>(test), "Test");
    free(test);
}

TEST(Allocator, Reallocate) {
    void *test = calloc(8, 1);
    memcpy(test, "Test", 5);
    int ret = cxReallocate(cxDefaultAllocator, &test, 16);
    EXPECT_EQ(ret, 0);
    ASSERT_NE(test, nullptr);
    EXPECT_STREQ(reinterpret_cast<char *>(test), "Test");
    free(test);
}

TEST(Allocator, DefaultCalloc) {
    char *test = reinterpret_cast<char *>(cxCalloc(cxDefaultAllocator, 8, 2));
    ASSERT_NE(test, nullptr);
    for (int i = 0; i < 16; i++) ASSERT_EQ(test[i], 0);
    free(test);
}

TEST(Allocator, DefaultFree) {
    void *test = malloc(16);
    EXPECT_NO_FATAL_FAILURE(
            cxFree(cxDefaultAllocator, test);
    );
}