Provide a unit test for function efi_dp_check_length().
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- test/lib/Makefile | 1 + test/lib/efi_device_path.c | 50 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) create mode 100644 test/lib/efi_device_path.c
diff --git a/test/lib/Makefile b/test/lib/Makefile index b6a0a208c5..ada62fe46b 100644 --- a/test/lib/Makefile +++ b/test/lib/Makefile @@ -3,6 +3,7 @@ # (C) Copyright 2018 # Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc obj-y += cmd_ut_lib.o +obj-$(CONFIG_EFI_LOADER) += efi_device_path.o obj-$(CONFIG_EFI_SECURE_BOOT) += efi_image_region.o obj-y += hexdump.o obj-y += lmb.o diff --git a/test/lib/efi_device_path.c b/test/lib/efi_device_path.c new file mode 100644 index 0000000000..24e2f23c5a --- /dev/null +++ b/test/lib/efi_device_path.c @@ -0,0 +1,50 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Test device path functions + * + * Copyright (c) 2020 Heinrich Schuchardt xypron.glpk@gmx.de + */ + +#include <common.h> +#include <efi_loader.h> +#include <test/lib.h> +#include <test/test.h> +#include <test/ut.h> + +static int lib_test_efi_dp_check_length(struct unit_test_state *uts) +{ + /* end of device path */ + u8 d1[] __aligned(2) = { + 0x7f, 0xff, 0x04, 0x00 }; + /* device path node with length less then 4 */ + u8 d2[] __aligned(2) = { + 0x01, 0x02, 0x02, 0x00, 0x04, 0x00, 0x7f, 0xff, 0x04, 0x00 }; + /* well formed device path */ + u8 d3[] __aligned(2) = { + 0x03, 0x02, 0x08, 0x00, 0x01, 0x00, 0x01, 0x00, + 0x7f, 0xff, 0x04, 0x00 }; + + struct efi_device_path *p1 = (struct efi_device_path *)d1; + struct efi_device_path *p2 = (struct efi_device_path *)d2; + struct efi_device_path *p3 = (struct efi_device_path *)d3; + + ut_asserteq((ssize_t)-EINVAL, efi_dp_check_length(p1, SIZE_MAX)); + ut_asserteq((ssize_t)sizeof(d1), efi_dp_check_length(p1, sizeof(d1))); + ut_asserteq((ssize_t)sizeof(d1), + efi_dp_check_length(p1, sizeof(d1) + 4)); + ut_asserteq((ssize_t)-1, efi_dp_check_length(p1, sizeof(d1) - 1)); + + ut_asserteq((ssize_t)-1, efi_dp_check_length(p2, sizeof(d2))); + + ut_asserteq((ssize_t)-1, efi_dp_check_length(p3, sizeof(d3) - 1)); + ut_asserteq((ssize_t)sizeof(d3), efi_dp_check_length(p3, sizeof(d3))); + ut_asserteq((ssize_t)sizeof(d3), efi_dp_check_length(p3, SSIZE_MAX)); + ut_asserteq((ssize_t)-EINVAL, + efi_dp_check_length(p3, (size_t)SSIZE_MAX + 1)); + ut_asserteq((ssize_t)sizeof(d3), + efi_dp_check_length(p3, sizeof(d3) + 4)); + + return 0; +} + +LIB_TEST(lib_test_efi_dp_check_length, 0); -- 2.28.0