1//===-- Unittests for malloc ----------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/stdlib/free.h"
10#include "src/stdlib/malloc.h"
11#include "test/UnitTest/Test.h"
12
13TEST(LlvmLibcMallocTest, Allocate) {
14 int *ptr = reinterpret_cast<int *>(LIBC_NAMESPACE::malloc(sizeof(int)));
15 EXPECT_NE(reinterpret_cast<void *>(ptr), static_cast<void *>(nullptr));
16 *ptr = 1;
17 EXPECT_EQ(*ptr, 1);
18 LIBC_NAMESPACE::free(ptr);
19}
20
21TEST(LlvmLibcMallocTest, Nullptr) {
22 int *ptr = reinterpret_cast<int *>(LIBC_NAMESPACE::malloc(0));
23 EXPECT_EQ(reinterpret_cast<void *>(ptr), static_cast<void *>(nullptr));
24 LIBC_NAMESPACE::free(ptr);
25}
26
27TEST(LlvmLibcMallocTest, LargeAllocation) {
28 int *ptr = reinterpret_cast<int *>(LIBC_NAMESPACE::malloc(2ul * 1024 * 1024));
29 EXPECT_NE(reinterpret_cast<void *>(ptr), static_cast<void *>(nullptr));
30 LIBC_NAMESPACE::free(ptr);
31}
32

source code of libc/test/src/stdlib/malloc_test.cpp