Mercurial > dovecot > core-2.2
view src/lib/test-seq-range-array.c @ 18137:3009a1a6f6d5
global: freshen copyright
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git ls-files | xargs perl -p -i -e 's/(\d+)-201[0-4]/$1-2015/g;s/ (201[0-4]) Dovecot/ $1-2015 Dovecot/'
Happy 2015 everyone!
Signed-off-by: Phil Carmody <phil@dovecot.fi>
author | Phil Carmody <phil@dovecot.fi> |
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date | Mon, 05 Jan 2015 22:20:10 +0200 |
parents | c749a40eda0a |
children | 230f3579c9b7 |
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/* Copyright (c) 2007-2015 Dovecot authors, see the included COPYING file */ #include "test-lib.h" #include "array.h" #include "seq-range-array.h" #include <stdlib.h> static void boundaries_permute(uint32_t *input, unsigned int i, unsigned int count) { ARRAY_TYPE(seq_range) range; const struct seq_range *seqs; unsigned int seqs_count; uint32_t tmp; unsigned int j; if (i+1 < count) { for (j = i; j < count; j++) { tmp = input[i]; input[i] = input[j]; input[j] = tmp; boundaries_permute(input, i+1, count); tmp = input[i]; input[i] = input[j]; input[j] = tmp; } return; } t_array_init(&range, 4); for (i = 0; i < count; i++) seq_range_array_add(&range, input[i]); seqs = array_get(&range, &seqs_count); test_assert(seqs_count == 2); test_assert(seqs[0].seq1 == 0); test_assert(seqs[0].seq2 == 1); test_assert(seqs[1].seq1 == (uint32_t)-2); test_assert(seqs[1].seq2 == (uint32_t)-1); } static void test_seq_range_array_add_boundaries(void) { static uint32_t input[] = { 0, 1, (uint32_t)-2, (uint32_t)-1 }; boundaries_permute(input, 0, N_ELEMENTS(input)); } static void test_seq_range_array_add_merge(void) { ARRAY_TYPE(seq_range) range; test_begin("seq_range_array_add() merging"); t_array_init(&range, 8); seq_range_array_add(&range, 4); seq_range_array_add(&range, 1); seq_range_array_add(&range, 2); test_assert(array_count(&range) == 2); test_end(); } static void test_seq_range_array_remove_nth(void) { ARRAY_TYPE(seq_range) range; const struct seq_range *r; test_begin("seq_range_array_remove_nth()"); t_array_init(&range, 8); seq_range_array_add_range(&range, 1, 5); seq_range_array_add(&range, 7); seq_range_array_add_range(&range, 10,20); test_assert(array_count(&range) == 3); seq_range_array_remove_nth(&range, 0, 2); r = array_idx(&range, 0); test_assert(r->seq1 == 3 && r->seq2 == 5); seq_range_array_remove_nth(&range, 1, 4); r = array_idx(&range, 0); test_assert(r->seq1 == 3 && r->seq2 == 3); r = array_idx(&range, 1); test_assert(r->seq1 == 11 && r->seq2 == 20); seq_range_array_remove_nth(&range, 5, (uint32_t)-1); r = array_idx(&range, 1); test_assert(r->seq1 == 11 && r->seq2 == 14); test_assert(array_count(&range) == 2); test_end(); } static void test_seq_range_array_random(void) { #define SEQ_RANGE_TEST_BUFSIZE 20 #define SEQ_RANGE_TEST_COUNT 10000 unsigned char shadowbuf[SEQ_RANGE_TEST_BUFSIZE]; ARRAY_TYPE(seq_range) range; const struct seq_range *seqs; uint32_t seq1, seq2; unsigned int i, j, ret, ret2, count; int test = -1; ret = ret2 = 0; i_array_init(&range, 1); memset(shadowbuf, 0, sizeof(shadowbuf)); for (i = 0; i < SEQ_RANGE_TEST_COUNT; i++) { seq1 = rand() % SEQ_RANGE_TEST_BUFSIZE; seq2 = seq1 + rand() % (SEQ_RANGE_TEST_BUFSIZE - seq1); test = rand() % 4; switch (test) { case 0: seq_range_array_add(&range, seq1); shadowbuf[seq1] = 1; break; case 1: seq_range_array_add_range(&range, seq1, seq2); memset(shadowbuf + seq1, 1, seq2 - seq1 + 1); break; case 2: ret = seq_range_array_remove(&range, seq1) ? 1 : 0; ret2 = shadowbuf[seq1] != 0 ? 1 : 0; shadowbuf[seq1] = 0; break; case 3: ret = seq_range_array_remove_range(&range, seq1, seq2); for (ret2 = 0; seq1 <= seq2; seq1++) { if (shadowbuf[seq1] != 0) { ret2++; shadowbuf[seq1] = 0; } } break; } if (ret != ret2) break; seqs = array_get(&range, &count); for (j = 0, seq1 = 0; j < count; j++) { if (j > 0 && seqs[j-1].seq2+1 >= seqs[j].seq1) goto fail; for (; seq1 < seqs[j].seq1; seq1++) { if (shadowbuf[seq1] != 0) goto fail; } for (; seq1 <= seqs[j].seq2; seq1++) { if (shadowbuf[seq1] == 0) goto fail; } } i_assert(seq1 <= SEQ_RANGE_TEST_BUFSIZE); for (; seq1 < SEQ_RANGE_TEST_BUFSIZE; seq1++) { if (shadowbuf[seq1] != 0) goto fail; } } fail: if (i == SEQ_RANGE_TEST_COUNT) test_out("seq_range_array random", TRUE); else { test_out_reason("seq_range_array random", FALSE, t_strdup_printf("round %u test %d failed", i, test)); } array_free(&range); } static void test_seq_range_array_invert(void) { static const unsigned int input_min = 1, input_max = 5; static const unsigned int input[] = { 1, 2, 3, 4, 5, UINT_MAX, 2, 3, 4, UINT_MAX, 1, 2, 4, 5, UINT_MAX, 1, 3, 5, UINT_MAX, 1, UINT_MAX, 5, UINT_MAX, UINT_MAX }; ARRAY_TYPE(seq_range) range = ARRAY_INIT; unsigned int i, j, seq, start, num; bool old_exists, success; for (i = num = 0; input[i] != UINT_MAX; num++, i++) { success = TRUE; start = i; for (; input[i] != UINT_MAX; i++) { seq_range_array_add_with_init(&range, 32, input[i]); for (j = start; j < i; j++) { if (!seq_range_exists(&range, input[j])) success = FALSE; } } seq_range_array_invert(&range, input_min, input_max); for (seq = input_min; seq <= input_max; seq++) { for (j = start; input[j] != UINT_MAX; j++) { if (input[j] == seq) break; } old_exists = input[j] != UINT_MAX; if (seq_range_exists(&range, seq) == old_exists) success = FALSE; } test_out(t_strdup_printf("seq_range_array_invert(%u)", num), success); array_free(&range); } } static void test_seq_range_create(ARRAY_TYPE(seq_range) *array, uint8_t byte) { unsigned int i; array_clear(array); for (i = 0; i < 8; i++) { if ((byte & (1 << i)) != 0) seq_range_array_add(array, i + 1); } } static void test_seq_range_array_have_common(void) { ARRAY_TYPE(seq_range) arr1, arr2; unsigned int i, j; bool ret1, ret2, success = TRUE; t_array_init(&arr1, 8); t_array_init(&arr2, 8); for (i = 0; i < 256; i++) { test_seq_range_create(&arr1, i); for (j = 0; j < 256; j++) { test_seq_range_create(&arr2, j); ret1 = seq_range_array_have_common(&arr1, &arr2); ret2 = (i & j) != 0; if (ret1 != ret2) success = FALSE; } } test_out("seq_range_array_have_common()", success); } void test_seq_range_array(void) { test_seq_range_array_add_boundaries(); test_seq_range_array_add_merge(); test_seq_range_array_remove_nth(); test_seq_range_array_invert(); test_seq_range_array_have_common(); test_seq_range_array_random(); }