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41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
/*
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h>
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#include <errno.h>
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#include <mallocdefs.h>
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#include <stdlib.h>
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TEST_CASE(malloc_limits)
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{
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EXPECT_NO_CRASH("Allocation of 0 size should succeed at allocation and release", [] {
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errno = 0;
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void* ptr = malloc(0);
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EXPECT_EQ(errno, 0);
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free(ptr);
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return Test::Crash::Failure::DidNotCrash;
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});
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EXPECT_NO_CRASH("Allocation of the maximum `size_t` value should fails with `ENOMEM`", [] {
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errno = 0;
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void* ptr = malloc(NumericLimits<size_t>::max());
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EXPECT_EQ(errno, ENOMEM);
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EXPECT_EQ(ptr, nullptr);
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free(ptr);
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return Test::Crash::Failure::DidNotCrash;
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});
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EXPECT_NO_CRASH("Allocation of the maximum `size_t` value that does not overflow should fails with `ENOMEM`", [] {
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errno = 0;
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void* ptr = malloc(NumericLimits<size_t>::max() - ChunkedBlock::block_size - sizeof(BigAllocationBlock));
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EXPECT_EQ(errno, ENOMEM);
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EXPECT_EQ(ptr, nullptr);
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free(ptr);
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return Test::Crash::Failure::DidNotCrash;
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});
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}
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