ladybird/Tests/Kernel/TestKernelPledge.cpp

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/*
* Copyright (c) 2018-2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/DeprecatedString.h>
#include <LibTest/TestCase.h>
#include <errno.h>
#include <unistd.h>
TEST_CASE(test_nonexistent_pledge)
{
auto res = pledge("testing123", "notthere");
if (res >= 0)
FAIL("Pledging on existent promises should fail.");
}
TEST_CASE(test_pledge_argument_validation)
{
auto const long_argument = DeprecatedString::repeated('a', 2048);
auto res = pledge(long_argument.characters(), "stdio");
EXPECT_EQ(res, -1);
EXPECT_EQ(errno, E2BIG);
res = pledge("stdio", long_argument.characters());
EXPECT_EQ(res, -1);
EXPECT_EQ(errno, E2BIG);
res = pledge(long_argument.characters(), long_argument.characters());
EXPECT_EQ(res, -1);
EXPECT_EQ(errno, E2BIG);
res = pledge("fake", "stdio");
EXPECT_EQ(res, -1);
EXPECT_EQ(errno, EINVAL);
res = pledge("stdio", "fake");
EXPECT_EQ(res, -1);
EXPECT_EQ(errno, EINVAL);
}
TEST_CASE(test_pledge_failures)
{
auto res = pledge("stdio unix rpath", "stdio");
if (res < 0)
FAIL("Initial pledge is expected to work.");
res = pledge("stdio unix", "stdio unix");
if (res >= 0)
FAIL("Additional execpromise \"unix\" should have failed");
res = pledge("stdio", "stdio");
if (res < 0)
FAIL("Reducing promises is expected to work.");
}