ucx: test/test_allocator.cpp@f0f99dd06d9f (annotated)

test/test_allocator.cpp@f0f99dd06d9f (annotated)

test/test_allocator.cpp

Mon, 08 Aug 2022 17:12:00 +0200

author: Mike Becker <universe@uap-core.de>
date: Mon, 08 Aug 2022 17:12:00 +0200
changeset 572: f0f99dd06d9f
parent 522: b91c50d023f4
permissions: -rw-r--r--

#201 - remove dangerous allocator config

There is no plausible use case, except using the testing
allocator in the test case, and having the possibility to
specify any allocator (including another mempool) causes
more harm than good.

 /*
  * 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);
     );
 }
 TEST(Allocator, FailingReallocate) {
     // Mock an allocator that always returns nullptr on realloc
     cx_allocator_class mock_cl;
     mock_cl.realloc = [](
             [[maybe_unused]]void *p,
             [[maybe_unused]]void *d,
             [[maybe_unused]]size_t n
     ) -> void * { return nullptr; };
     cx_allocator_s mock{&mock_cl, nullptr};
     void *test = calloc(8, 1);
     memcpy(test, "Test", 5);
     void *original = test;
     int ret = cxReallocate(&mock, &test, 16);
     // non-zero return code because of the failure
     EXPECT_NE(ret, 0);
     // the test pointer was not changed and still points to the same memory
     EXPECT_EQ(test, original);
     EXPECT_STREQ(reinterpret_cast<char *>(test), "Test");
     free(test);
 }

Mercurial > hg > ucx / annotate

test/test_allocator.cpp@f0f99dd06d9f (annotated)

test/test_allocator.cpp