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https://gitlab.torproject.org/tpo/core/tor.git
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392 lines
9.5 KiB
C
392 lines
9.5 KiB
C
/* Copyright (c) 2012-2017, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#define REPLAYCACHE_PRIVATE
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#include "orconfig.h"
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#include "or.h"
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#include "replaycache.h"
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#include "test.h"
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static const char *test_buffer =
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"Lorem ipsum dolor sit amet, consectetur adipisici elit, sed do eiusmod"
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" tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim"
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" veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea"
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" commodo consequat. Duis aute irure dolor in reprehenderit in voluptate"
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" velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint"
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" occaecat cupidatat non proident, sunt in culpa qui officia deserunt"
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" mollit anim id est laborum.";
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static const char *test_buffer_2 =
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"At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis"
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" praesentium voluptatum deleniti atque corrupti quos dolores et quas"
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" molestias excepturi sint occaecati cupiditate non provident, similique"
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" sunt in culpa qui officia deserunt mollitia animi, id est laborum et"
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" dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio."
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" Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil"
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" impedit quo minus id quod maxime placeat facere possimus, omnis voluptas"
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" assumenda est, omnis dolor repellendus. Temporibus autem quibusdam et aut"
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" officiis debitis aut rerum necessitatibus saepe eveniet ut et voluptates"
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" repudiandae sint et molestiae non recusandae. Itaque earum rerum hic"
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" tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias"
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" consequatur aut perferendis doloribus asperiores repellat.";
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static void
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test_replaycache_alloc(void *arg)
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{
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replaycache_t *r = NULL;
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(void)arg;
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r = replaycache_new(600, 300);
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tt_ptr_op(r, OP_NE, NULL);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_badalloc(void *arg)
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{
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replaycache_t *r = NULL;
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/* Negative horizon should fail */
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(void)arg;
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r = replaycache_new(-600, 300);
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tt_ptr_op(r, OP_EQ, NULL);
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/* Negative interval should get adjusted to zero */
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r = replaycache_new(600, -300);
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tt_ptr_op(r, OP_NE, NULL);
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tt_int_op(r->scrub_interval,OP_EQ, 0);
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replaycache_free(r);
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/* Negative horizon and negative interval should still fail */
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r = replaycache_new(-600, -300);
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tt_ptr_op(r, OP_EQ, NULL);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_free_null(void *arg)
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{
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(void)arg;
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replaycache_free(NULL);
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/* Assert that we're here without horrible death */
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tt_assert(1);
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done:
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return;
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}
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static void
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test_replaycache_miss(void *arg)
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{
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replaycache_t *r = NULL;
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int result;
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(void)arg;
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r = replaycache_new(600, 300);
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tt_ptr_op(r, OP_NE, NULL);
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result =
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replaycache_add_and_test_internal(1200, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 0);
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/* make sure a different buffer misses as well */
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result =
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replaycache_add_and_test_internal(1200, NULL, test_buffer_2,
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strlen(test_buffer_2), NULL);
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tt_int_op(result,OP_EQ, 0);
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/* poke the bad-parameter error case too */
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result =
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replaycache_add_and_test_internal(1200, NULL, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 0);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_hit(void *arg)
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{
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replaycache_t *r = NULL;
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int result;
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(void)arg;
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r = replaycache_new(600, 300);
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tt_ptr_op(r, OP_NE, NULL);
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result =
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replaycache_add_and_test_internal(1200, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 0);
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result =
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replaycache_add_and_test_internal(1300, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 1);
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/* make sure a different buffer misses then hits as well */
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result =
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replaycache_add_and_test_internal(1200, r, test_buffer_2,
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strlen(test_buffer_2), NULL);
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tt_int_op(result,OP_EQ, 0);
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result =
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replaycache_add_and_test_internal(1300, r, test_buffer_2,
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strlen(test_buffer_2), NULL);
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tt_int_op(result,OP_EQ, 1);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_age(void *arg)
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{
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replaycache_t *r = NULL;
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int result;
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(void)arg;
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r = replaycache_new(600, 300);
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tt_ptr_op(r, OP_NE, NULL);
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result =
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replaycache_add_and_test_internal(1200, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 0);
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result =
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replaycache_add_and_test_internal(1300, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 1);
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result =
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replaycache_add_and_test_internal(3000, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 0);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_elapsed(void *arg)
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{
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replaycache_t *r = NULL;
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int result;
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time_t elapsed;
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(void)arg;
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r = replaycache_new(600, 300);
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tt_ptr_op(r, OP_NE, NULL);
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result =
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replaycache_add_and_test_internal(1200, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 0);
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result =
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replaycache_add_and_test_internal(1300, r, test_buffer,
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strlen(test_buffer), &elapsed);
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tt_int_op(result,OP_EQ, 1);
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tt_int_op(elapsed,OP_EQ, 100);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_noexpire(void *arg)
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{
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replaycache_t *r = NULL;
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int result;
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(void)arg;
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r = replaycache_new(0, 0);
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tt_ptr_op(r, OP_NE, NULL);
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result =
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replaycache_add_and_test_internal(1200, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 0);
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result =
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replaycache_add_and_test_internal(1300, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 1);
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result =
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replaycache_add_and_test_internal(3000, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 1);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_scrub(void *arg)
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{
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replaycache_t *r = NULL;
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int result;
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(void)arg;
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r = replaycache_new(600, 300);
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tt_ptr_op(r, OP_NE, NULL);
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/* Set up like in test_replaycache_hit() */
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result =
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replaycache_add_and_test_internal(100, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 0);
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result =
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replaycache_add_and_test_internal(200, r, test_buffer,
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strlen(test_buffer), NULL);
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tt_int_op(result,OP_EQ, 1);
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/*
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* Poke a few replaycache_scrub_if_needed_internal() error cases that
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* can't happen through replaycache_add_and_test_internal()
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*/
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/* Null cache */
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replaycache_scrub_if_needed_internal(300, NULL);
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/* Assert we're still here */
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tt_assert(1);
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/* Make sure we hit the aging-out case too */
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replaycache_scrub_if_needed_internal(1500, r);
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/* Assert that we aged it */
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tt_int_op(digest256map_size(r->digests_seen),OP_EQ, 0);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_future(void *arg)
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{
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replaycache_t *r = NULL;
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int result;
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time_t elapsed = 0;
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(void)arg;
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r = replaycache_new(600, 300);
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tt_ptr_op(r, OP_NE, NULL);
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/* Set up like in test_replaycache_hit() */
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result =
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replaycache_add_and_test_internal(100, r, test_buffer,
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strlen(test_buffer), &elapsed);
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tt_int_op(result,OP_EQ, 0);
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/* elapsed should still be 0, since it wasn't written */
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tt_int_op(elapsed,OP_EQ, 0);
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result =
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replaycache_add_and_test_internal(200, r, test_buffer,
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strlen(test_buffer), &elapsed);
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tt_int_op(result,OP_EQ, 1);
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/* elapsed should be the time since the last hit */
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tt_int_op(elapsed,OP_EQ, 100);
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/*
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* Now let's turn the clock back to get coverage on the cache entry from the
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* future not-supposed-to-happen case.
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*/
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result =
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replaycache_add_and_test_internal(150, r, test_buffer,
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strlen(test_buffer), &elapsed);
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/* We should still get a hit */
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tt_int_op(result,OP_EQ, 1);
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/* ...but it shouldn't let us see a negative elapsed time */
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tt_int_op(elapsed,OP_EQ, 0);
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done:
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if (r) replaycache_free(r);
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return;
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}
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static void
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test_replaycache_realtime(void *arg)
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{
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replaycache_t *r = NULL;
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/*
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* Negative so we fail if replaycache_add_test_and_elapsed() doesn't
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* write to elapsed.
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*/
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time_t elapsed = -1;
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int result;
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/* Test the realtime as well as *_internal() entry points */
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(void)arg;
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r = replaycache_new(600, 300);
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tt_ptr_op(r, OP_NE, NULL);
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/* This should miss */
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result =
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replaycache_add_and_test(r, test_buffer, strlen(test_buffer));
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tt_int_op(result,OP_EQ, 0);
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/* This should hit */
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result =
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replaycache_add_and_test(r, test_buffer, strlen(test_buffer));
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tt_int_op(result,OP_EQ, 1);
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/* This should hit and return a small elapsed time */
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result =
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replaycache_add_test_and_elapsed(r, test_buffer,
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strlen(test_buffer), &elapsed);
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tt_int_op(result,OP_EQ, 1);
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tt_assert(elapsed >= 0);
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tt_assert(elapsed <= 5);
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/* Scrub it to exercise that entry point too */
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replaycache_scrub_if_needed(r);
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done:
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if (r) replaycache_free(r);
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return;
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}
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#define REPLAYCACHE_LEGACY(name) \
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{ #name, test_replaycache_ ## name , 0, NULL, NULL }
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struct testcase_t replaycache_tests[] = {
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REPLAYCACHE_LEGACY(alloc),
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REPLAYCACHE_LEGACY(badalloc),
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REPLAYCACHE_LEGACY(free_null),
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REPLAYCACHE_LEGACY(miss),
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REPLAYCACHE_LEGACY(hit),
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REPLAYCACHE_LEGACY(age),
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REPLAYCACHE_LEGACY(elapsed),
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REPLAYCACHE_LEGACY(noexpire),
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REPLAYCACHE_LEGACY(scrub),
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REPLAYCACHE_LEGACY(future),
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REPLAYCACHE_LEGACY(realtime),
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END_OF_TESTCASES
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};
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