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5bba77e48b
Provide a unit test for function efi_dp_check_length(). Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Test device path functions
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*
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* Copyright (c) 2020 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*/
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#include <common.h>
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#include <efi_loader.h>
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#include <test/lib.h>
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#include <test/test.h>
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#include <test/ut.h>
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static int lib_test_efi_dp_check_length(struct unit_test_state *uts)
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{
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/* end of device path */
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u8 d1[] __aligned(2) = {
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0x7f, 0xff, 0x04, 0x00 };
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/* device path node with length less then 4 */
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u8 d2[] __aligned(2) = {
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0x01, 0x02, 0x02, 0x00, 0x04, 0x00, 0x7f, 0xff, 0x04, 0x00 };
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/* well formed device path */
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u8 d3[] __aligned(2) = {
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0x03, 0x02, 0x08, 0x00, 0x01, 0x00, 0x01, 0x00,
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0x7f, 0xff, 0x04, 0x00 };
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struct efi_device_path *p1 = (struct efi_device_path *)d1;
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struct efi_device_path *p2 = (struct efi_device_path *)d2;
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struct efi_device_path *p3 = (struct efi_device_path *)d3;
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ut_asserteq((ssize_t)-EINVAL, efi_dp_check_length(p1, SIZE_MAX));
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ut_asserteq((ssize_t)sizeof(d1), efi_dp_check_length(p1, sizeof(d1)));
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ut_asserteq((ssize_t)sizeof(d1),
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efi_dp_check_length(p1, sizeof(d1) + 4));
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ut_asserteq((ssize_t)-1, efi_dp_check_length(p1, sizeof(d1) - 1));
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ut_asserteq((ssize_t)-1, efi_dp_check_length(p2, sizeof(d2)));
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ut_asserteq((ssize_t)-1, efi_dp_check_length(p3, sizeof(d3) - 1));
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ut_asserteq((ssize_t)sizeof(d3), efi_dp_check_length(p3, sizeof(d3)));
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ut_asserteq((ssize_t)sizeof(d3), efi_dp_check_length(p3, SSIZE_MAX));
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ut_asserteq((ssize_t)-EINVAL,
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efi_dp_check_length(p3, (size_t)SSIZE_MAX + 1));
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ut_asserteq((ssize_t)sizeof(d3),
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efi_dp_check_length(p3, sizeof(d3) + 4));
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return 0;
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}
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LIB_TEST(lib_test_efi_dp_check_length, 0);
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