From 5bba77e48be801176a55223b1f76bc44e8e1b3cb Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Sun, 23 Aug 2020 10:53:50 +0200 Subject: test: unit test for efi_dp_check_length() Provide a unit test for function efi_dp_check_length(). Signed-off-by: Heinrich Schuchardt --- test/lib/efi_device_path.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 test/lib/efi_device_path.c (limited to 'test/lib/efi_device_path.c') diff --git a/test/lib/efi_device_path.c b/test/lib/efi_device_path.c new file mode 100644 index 00000000000..24e2f23c5af --- /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 + */ + +#include +#include +#include +#include +#include + +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); -- cgit v1.2.3