test/test_allocator.c

/*
 * 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
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 */

#include "cx/allocator.h"

#include <CUnit/Basic.h>

void test_default_allocator_available(void) {
    struct cx_allocator_class clazz = cxDefaultAllocator->allocatorClass;
    CU_ASSERT_PTR_EQUAL(clazz.malloc, cx_malloc_stdlib)
    CU_ASSERT_PTR_EQUAL(clazz.realloc, cx_realloc_stdlib)
    CU_ASSERT_PTR_EQUAL(clazz.calloc, cx_calloc_stdlib)
    CU_ASSERT_PTR_EQUAL(clazz.free, cx_free_stdlib)
}

void test_default_malloc(void) {
    void* test = cxMalloc(cxDefaultAllocator, 16);
    CU_ASSERT_PTR_NOT_NULL(test);
    free(test);
}

void test_default_realloc(void) {
    void* test = calloc(8, 1);
    memcpy(test, "Test", 4);
    test = cxRealloc(cxDefaultAllocator, test, 16);
    CU_ASSERT_PTR_NOT_NULL(test);
    CU_ASSERT_STRING_EQUAL("Test", test)
    free(test);
}

void test_default_calloc(void) {
    void* test = cxCalloc(cxDefaultAllocator, 8, 2);
    CU_ASSERT_PTR_NOT_NULL(test);
    free(test);
}

void test_default_free(void) {
    void* test = malloc(16);
    cxFree(cxDefaultAllocator, test);
    CU_PASS("Testing standard free is not possible.")
}

int main() {
    CU_pSuite suite = NULL;

    if (CUE_SUCCESS != CU_initialize_registry()) {
        return CU_get_error();
    }

    suite = CU_add_suite("stdlib allocator", NULL, NULL);
    if (NULL == suite) {
        CU_cleanup_registry();
        return CU_get_error();
    }

    if (
            (NULL == CU_add_test(suite, "default allocator available", test_default_allocator_available)) ||
            (NULL == CU_add_test(suite, "test of malloc()", test_default_malloc)) ||
            (NULL == CU_add_test(suite, "test of realloc()", test_default_realloc)) ||
            (NULL == CU_add_test(suite, "test of realloc()", test_default_calloc)) ||
            (NULL == CU_add_test(suite, "test of free()", test_default_free))
        ) {
        CU_cleanup_registry();
        return CU_get_error();
    }

    CU_basic_set_mode(CU_BRM_NORMAL);
    CU_basic_run_tests();
    CU_cleanup_registry();

    return CU_get_error();
}