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test/bloblist.c
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919e7a8fb test: Add a simpl... |
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// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2018, Google Inc. All rights reserved. */ #include <common.h> #include <bloblist.h> #include <log.h> #include <mapmem.h> #include <test/suites.h> #include <test/test.h> #include <test/ut.h> DECLARE_GLOBAL_DATA_PTR; /* Declare a new compression test */ #define BLOBLIST_TEST(_name, _flags) \ UNIT_TEST(_name, _flags, bloblist_test) enum { TEST_TAG = 1, TEST_TAG2 = 2, TEST_TAG_MISSING = 3, TEST_SIZE = 10, TEST_SIZE2 = 20, TEST_ADDR = CONFIG_BLOBLIST_ADDR, TEST_BLOBLIST_SIZE = 0x100, }; static struct bloblist_hdr *clear_bloblist(void) { struct bloblist_hdr *hdr; /* Clear out any existing bloblist so we have a clean slate */ hdr = map_sysmem(CONFIG_BLOBLIST_ADDR, TEST_BLOBLIST_SIZE); memset(hdr, '\0', TEST_BLOBLIST_SIZE); return hdr; } static int bloblist_test_init(struct unit_test_state *uts) { struct bloblist_hdr *hdr; hdr = clear_bloblist(); ut_asserteq(-ENOENT, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); hdr->version++; ut_asserteq(-EPROTONOSUPPORT, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); ut_asserteq(-ENOSPC, bloblist_new(TEST_ADDR, 0x10, 0)); ut_asserteq(-EFAULT, bloblist_new(1, TEST_BLOBLIST_SIZE, 0)); ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); ut_assertok(bloblist_finish()); ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); hdr->flags++; ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); return 1; } BLOBLIST_TEST(bloblist_test_init, 0); static int bloblist_test_blob(struct unit_test_state *uts) { struct bloblist_hdr *hdr; struct bloblist_rec *rec, *rec2; char *data; /* At the start there should be no records */ hdr = clear_bloblist(); ut_assertnull(bloblist_find(TEST_TAG, TEST_BLOBLIST_SIZE)); ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); /* Add a record and check that we can find it */ data = bloblist_add(TEST_TAG, TEST_SIZE); rec = (void *)(hdr + 1); ut_asserteq_ptr(rec + 1, data); data = bloblist_find(TEST_TAG, TEST_SIZE); ut_asserteq_ptr(rec + 1, data); /* Check the 'ensure' method */ ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE)); ut_assertnull(bloblist_ensure(TEST_TAG, TEST_SIZE2)); rec2 = (struct bloblist_rec *)(data + ALIGN(TEST_SIZE, BLOBLIST_ALIGN)); /* Check for a non-existent record */ ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE)); ut_asserteq_ptr(rec2 + 1, bloblist_ensure(TEST_TAG2, TEST_SIZE2)); ut_assertnull(bloblist_find(TEST_TAG_MISSING, 0)); return 0; } BLOBLIST_TEST(bloblist_test_blob, 0); static int bloblist_test_bad_blob(struct unit_test_state *uts) { struct bloblist_hdr *hdr; void *data; hdr = clear_bloblist(); ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); data = hdr + 1; data += sizeof(struct bloblist_rec); ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE)); ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE)); return 0; } BLOBLIST_TEST(bloblist_test_bad_blob, 0); static int bloblist_test_checksum(struct unit_test_state *uts) { struct bloblist_hdr *hdr; char *data, *data2; hdr = clear_bloblist(); ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0)); ut_assertok(bloblist_finish()); ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); /* * Now change things amd make sure that the checksum notices. We cannot * change the size or alloced fields, since that will crash the code. * It has to rely on these being correct. */ hdr->flags--; ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); hdr->flags++; hdr->size--; ut_asserteq(-EFBIG, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); hdr->size++; hdr->spare++; ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); hdr->spare--; hdr->chksum++; ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); hdr->chksum--; /* Make sure the checksum changes when we add blobs */ data = bloblist_add(TEST_TAG, TEST_SIZE); ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); data2 = bloblist_add(TEST_TAG2, TEST_SIZE2); ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); ut_assertok(bloblist_finish()); /* It should also change if we change the data */ ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); *data += 1; ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); *data -= 1; ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); *data2 += 1; ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); *data2 -= 1; /* * Changing data outside the range of valid data should not affect * the checksum. */ ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); data[TEST_SIZE]++; data2[TEST_SIZE2]++; ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE)); return 0; } BLOBLIST_TEST(bloblist_test_checksum, 0); int do_ut_bloblist(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { struct unit_test *tests = ll_entry_start(struct unit_test, bloblist_test); const int n_ents = ll_entry_count(struct unit_test, bloblist_test); return cmd_ut_category("bloblist", tests, n_ents, argc, argv); } |