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mirror of https://review.coreboot.org/flashrom.git synced 2025-11-04 07:00:39 +01:00

libflashrom: Add new layout_compare() function with test

Add a new layout_compare() function which will be used in a subsequent
patch to test equality between two layouts. Add a test function for
layout_compare(). Fix a small bug in compare_region_with_dump() which
was introduced in commit 74a1a54892 ("libflashrom: Fix comparison of
layout romentry regions"), which was discovered with the new test.

Change-Id: Ib37556bb83d4e1c26545a90b49128f1f78ffe2c6
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/89629
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Matt DeVillier
2025-10-18 10:04:39 -05:00
committed by Anastasia Klimchuk
parent 8e0bfee62f
commit b0b975d0ea
6 changed files with 113 additions and 1 deletions

View File

@@ -163,3 +163,60 @@ void probe_v2_error_code_propagation(void **state)
#else
SKIP_TEST(probe_v2_error_code_propagation)
#endif /* CONFIG_DUMMY */
void flashrom_layout_compare_test_success(void **state)
{
(void)state; /* unused */
struct flashrom_layout *layout1 = NULL;
struct flashrom_layout *layout2 = NULL;
struct flashrom_layout *layout3 = NULL;
/* Create three layouts */
assert_int_equal(0, flashrom_layout_new(&layout1));
assert_int_equal(0, flashrom_layout_new(&layout2));
assert_int_equal(0, flashrom_layout_new(&layout3));
/* Test 1: NULL pointer handling */
assert_int_not_equal(0, flashrom_layout_compare(NULL, layout1));
assert_int_not_equal(0, flashrom_layout_compare(layout1, NULL));
assert_int_not_equal(0, flashrom_layout_compare(NULL, NULL));
/* Test 2: Empty layouts should match */
assert_int_equal(0, flashrom_layout_compare(layout1, layout2));
/* Test 3: Add same regions to layout1 and layout2 */
assert_int_equal(0, flashrom_layout_add_region(layout1, 0x00000000, 0x000fffff, "REGION1"));
assert_int_equal(0, flashrom_layout_add_region(layout1, 0x00100000, 0x001fffff, "REGION2"));
assert_int_equal(0, flashrom_layout_add_region(layout2, 0x00000000, 0x000fffff, "REGION1"));
assert_int_equal(0, flashrom_layout_add_region(layout2, 0x00100000, 0x001fffff, "REGION2"));
/* Identical layouts should match */
assert_int_equal(0, flashrom_layout_compare(layout1, layout2));
/* Test 4: Add different region to layout3 */
assert_int_equal(0, flashrom_layout_add_region(layout3, 0x00000000, 0x000fffff, "REGION1"));
assert_int_equal(0, flashrom_layout_add_region(layout3, 0x00100000, 0x002fffff, "REGION2")); /* different end */
/* Different layouts should not match */
assert_int_not_equal(0, flashrom_layout_compare(layout1, layout3));
/* Test 5: Different number of regions */
flashrom_layout_release(layout3);
assert_int_equal(0, flashrom_layout_new(&layout3));
assert_int_equal(0, flashrom_layout_add_region(layout3, 0x00000000, 0x000fffff, "REGION1"));
/* layout3 has only 1 region, layout1 has 2 */
assert_int_not_equal(0, flashrom_layout_compare(layout1, layout3));
/* Test 6: Same regions but different names */
flashrom_layout_release(layout3);
assert_int_equal(0, flashrom_layout_new(&layout3));
assert_int_equal(0, flashrom_layout_add_region(layout3, 0x00000000, 0x000fffff, "DIFFERENT_NAME"));
assert_int_equal(0, flashrom_layout_add_region(layout3, 0x00100000, 0x001fffff, "REGION2"));
assert_int_not_equal(0, flashrom_layout_compare(layout1, layout3));
/* Cleanup */
flashrom_layout_release(layout1);
flashrom_layout_release(layout2);
flashrom_layout_release(layout3);
}

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@@ -476,6 +476,7 @@ int main(int argc, char *argv[])
cmocka_unit_test(flashrom_set_log_level_test_success),
cmocka_unit_test(flashrom_supported_programmers_test_success),
cmocka_unit_test(probe_v2_error_code_propagation),
cmocka_unit_test(flashrom_layout_compare_test_success),
};
ret |= cmocka_run_group_tests_name("libflashrom.c tests", libflashrom_tests, NULL, NULL);

View File

@@ -29,6 +29,7 @@ void flashrom_set_log_callback_v2_test_success(void **state);
void flashrom_set_log_level_test_success(void **state);
void flashrom_supported_programmers_test_success(void **state);
void probe_v2_error_code_propagation(void **state);
void flashrom_layout_compare_test_success(void **state);
/* spi25.c */
void spi_write_enable_test_success(void **state);