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/* fifo_string_cache_test.c
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#undef G_DISABLE_ASSERT
#include <stdio.h>
#include <string.h>
#include <glib.h>
#include "fifo_string_cache.h"
// Simple test of insertion and checking its true/false values
static void
test_fifo_string_cache_01(void)
{
fifo_string_cache_t fcache;
gboolean has;
fifo_string_cache_init(&fcache, 10, NULL);
has = fifo_string_cache_insert(&fcache, "alpha");
g_assert_false(has);
has = fifo_string_cache_insert(&fcache, "alpha");
g_assert_true(has);
has = fifo_string_cache_insert(&fcache, "beta");
g_assert_false(has);
has = fifo_string_cache_insert(&fcache, "beta");
g_assert_true(has);
has = fifo_string_cache_insert(&fcache, "alpha");
g_assert_true(has);
fifo_string_cache_free(&fcache);
}
// Is the max_entries honored?
static void
test_fifo_string_cache_02(void)
{
fifo_string_cache_t fcache;
gboolean has;
fifo_string_cache_init(&fcache, 4, NULL);
// Insert 4 items
has = fifo_string_cache_insert(&fcache, "alpha");
g_assert_false(has);
has = fifo_string_cache_insert(&fcache, "beta");
g_assert_false(has);
has = fifo_string_cache_insert(&fcache, "gamma");
g_assert_false(has);
has = fifo_string_cache_insert(&fcache, "delta");
g_assert_false(has);
// They should all be there
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "beta");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "gamma");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "delta");
g_assert_true(has);
// Add a 5th item
has = fifo_string_cache_insert(&fcache, "epsilon");
g_assert_false(has);
// The first one should no longer be there
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_false(has); // FALSE
has = fifo_string_cache_contains(&fcache, "beta");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "gamma");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "delta");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "epsilon");
g_assert_true(has);
// Add a 6th item
has = fifo_string_cache_insert(&fcache, "zeta");
g_assert_false(has);
// The first two should no longer be there
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_false(has); // FALSE
has = fifo_string_cache_contains(&fcache, "beta");
g_assert_false(has); // FALSE
has = fifo_string_cache_contains(&fcache, "gamma");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "delta");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "epsilon");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "zeta");
g_assert_true(has);
fifo_string_cache_free(&fcache);
}
// Check a max_entries == 1, to ensure we don't have any mistakes
// at that end of the range
static void
test_fifo_string_cache_03(void)
{
fifo_string_cache_t fcache;
gboolean has;
fifo_string_cache_init(&fcache, 1, NULL);
// Insert
has = fifo_string_cache_insert(&fcache, "alpha");
g_assert_false(has);
// Check
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_true(has);
// Insert
has = fifo_string_cache_insert(&fcache, "beta");
g_assert_false(has);
// Check
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_false(has);
has = fifo_string_cache_contains(&fcache, "beta");
g_assert_true(has);
// Insert
has = fifo_string_cache_insert(&fcache, "gamma");
g_assert_false(has);
// Check
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_false(has);
has = fifo_string_cache_contains(&fcache, "beta");
g_assert_false(has);
has = fifo_string_cache_contains(&fcache, "gamma");
g_assert_true(has);
fifo_string_cache_free(&fcache);
}
// Test an unbounded maximum (max_entries == 0)
static void
test_fifo_string_cache_04(void)
{
fifo_string_cache_t fcache;
gboolean has;
fifo_string_cache_init(&fcache, 0, g_free);
// Insert; we call g_strdup because in this test, the cache owns the string
has = fifo_string_cache_insert(&fcache, g_strdup("alpha"));
g_assert_false(has);
// Check
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_true(has);
// Insert; we call g_strdup because in this test, the cache owns the string
has = fifo_string_cache_insert(&fcache, g_strdup("beta"));
g_assert_false(has);
// Check
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "beta");
g_assert_true(has);
// Insert many
int i;
char *s;
for (i = 0; i < 1000 ; i++) {
s = g_strdup_printf("%d", i);
has = fifo_string_cache_insert(&fcache, s);
g_assert_false(has);
}
// Check everything
has = fifo_string_cache_contains(&fcache, "alpha");
g_assert_true(has);
has = fifo_string_cache_contains(&fcache, "beta");
g_assert_true(has);
for (i = 0; i < 1000 ; i++) {
s = g_strdup_printf("%d", i);
has = fifo_string_cache_contains(&fcache, s);
g_assert_true(has);
}
fifo_string_cache_free(&fcache);
}
int
main(int argc, char **argv)
{
int result;
g_test_init(&argc, &argv, NULL);
g_test_add_func("/fifo_string_cache/01", test_fifo_string_cache_01);
g_test_add_func("/fifo_string_cache/02", test_fifo_string_cache_02);
g_test_add_func("/fifo_string_cache/03", test_fifo_string_cache_03);
g_test_add_func("/fifo_string_cache/04", test_fifo_string_cache_04);
result = g_test_run();
return result;
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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