Fri, 07 Jul 2023 17:28:07 +0200
add iterator documentation
/* * 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); }