/* PSPP - a program for statistical analysis.
- Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <libpspp/hmapx.h>
-#include <assert.h>
#include <limits.h>
#include <stdbool.h>
#include <stddef.h>
#include <libpspp/compiler.h>
\f
-/* Currently running test. */
-static const char *test_name;
-
/* If OK is not true, prints a message about failure on the
current source file and the given LINE and terminates. */
static void
{
if (!ok)
{
- printf ("Check failed in %s test at %s, line %d\n",
- test_name, __FILE__, line);
+ fprintf (stderr, "%s:%d: check failed\n", __FILE__, line);
abort ();
}
}
*b = t;
}
-/* Reverses the order of the CNT integers starting at VALUES. */
+/* Reverses the order of the N integers starting at VALUES. */
static void
-reverse (int *values, size_t cnt)
+reverse (int *values, size_t n)
{
size_t i = 0;
- size_t j = cnt;
+ size_t j = n;
while (j > i)
swap (&values[i++], &values[--j]);
}
-/* Arranges the CNT elements in VALUES into the lexicographically
+/* Arranges the N elements in VALUES into the lexicographically
next greater permutation. Returns true if successful.
If VALUES is already the lexicographically greatest
permutation of its elements (i.e. ordered from greatest to
permutation (i.e. ordered from smallest to largest) and
returns false. */
static bool
-next_permutation (int *values, size_t cnt)
+next_permutation (int *values, size_t n)
{
- if (cnt > 0)
+ if (n > 0)
{
- size_t i = cnt - 1;
+ size_t i = n - 1;
while (i != 0)
{
i--;
if (values[i] < values[i + 1])
{
size_t j;
- for (j = cnt - 1; values[i] >= values[j]; j--)
+ for (j = n - 1; values[i] >= values[j]; j--)
continue;
swap (values + i, values + j);
- reverse (values + (i + 1), cnt - (i + 1));
+ reverse (values + (i + 1), n - (i + 1));
return true;
}
}
- reverse (values, cnt);
+ reverse (values, n);
}
return false;
return value;
}
-/* Randomly shuffles the CNT elements in ARRAY, each of which is
+/* Randomly shuffles the N elements in ARRAY, each of which is
SIZE bytes in size. */
static void
-random_shuffle (void *array_, size_t cnt, size_t size)
+random_shuffle (void *array_, size_t n, size_t size)
{
char *array = array_;
char *tmp = xmalloc (size);
size_t i;
- for (i = 0; i < cnt; i++)
+ for (i = 0; i < n; i++)
{
- size_t j = rand () % (cnt - i) + i;
+ size_t j = rand () % (n - i) + i;
if (i != j)
{
memcpy (tmp, array + j * size, size);
typedef size_t hash_function (int data);
static size_t
-identity_hash (int data)
+identity_hash (int data)
{
return data;
}
static size_t
-constant_hash (int data UNUSED)
+constant_hash (int data UNUSED)
{
return 0x12345678u;
}
return node;
}
-/* Checks that HMAPX contains the CNT ints in DATA, that its
+/* Checks that HMAPX contains the N ints in DATA, that its
structure is correct, and that certain operations on HMAPX
produce the expected results. */
static void
-check_hmapx (struct hmapx *hmapx, const int data[], size_t cnt,
+check_hmapx (struct hmapx *hmapx, const int data[], size_t n,
hash_function *hash)
{
size_t i, j;
int *order;
- check (hmapx_count (hmapx) == cnt);
- check (cnt <= hmapx_capacity (hmapx));
+ check (hmapx_is_empty (hmapx) == (n == 0));
+ check (hmapx_count (hmapx) == n);
+ check (n <= hmapx_capacity (hmapx));
- order = xmemdup (data, cnt * sizeof *data);
- qsort (order, cnt, sizeof *order, compare_ints);
+ order = xmemdup (data, n * sizeof *data);
+ qsort (order, n, sizeof *order, compare_ints);
- for (i = 0; i < cnt; i = j)
+ for (i = 0; i < n; i = j)
{
struct hmapx_node *node;
struct element *e;
int count;
- for (j = i + 1; j < cnt; j++)
+ for (j = i + 1; j < n; j++)
if (order[i] != order[j])
break;
count = 0;
HMAPX_FOR_EACH_WITH_HASH (e, node, hash (order[i]), hmapx)
- if (e->data == order[i])
- count++;
+ if (e->data == order[i])
+ count++;
check (count == j - i);
}
check (find_element (hmapx, -1, hash) == NULL);
- if (cnt == 0)
+ if (n == 0)
check (hmapx_first (hmapx) == NULL);
else
{
struct hmapx_node *p;
int left;
- left = cnt;
- for (p = hmapx_first (hmapx), i = 0; i < cnt;
+ left = n;
+ for (p = hmapx_first (hmapx), i = 0; i < n;
p = hmapx_next (hmapx, p), i++)
{
struct element *e = hmapx_node_data (p);
check (hmapx_node_hash (p) == hash (e->data));
for (j = 0; j < left; j++)
- if (order[j] == e->data)
+ if (order[j] == e->data)
{
order[j] = order[--left];
goto next;
free (order);
}
-/* Inserts the CNT values from 0 to CNT - 1 (inclusive) into an
+/* Inserts the N values from 0 to N - 1 (inclusive) into an
HMAPX in the order specified by INSERTIONS, then deletes them in
the order specified by DELETIONS, checking the HMAPX's contents
for correctness after each operation. Uses HASH as the hash
static void
test_insert_delete (const int insertions[],
const int deletions[],
- size_t cnt,
+ size_t n,
hash_function *hash,
size_t reserve)
{
struct hmapx hmapx;
size_t i;
- elements = xnmalloc (cnt, sizeof *elements);
- nodes = xnmalloc (cnt, sizeof *nodes);
- for (i = 0; i < cnt; i++)
+ elements = xnmalloc (n, sizeof *elements);
+ nodes = xnmalloc (n, sizeof *nodes);
+ for (i = 0; i < n; i++)
elements[i].data = i;
hmapx_init (&hmapx);
hmapx_reserve (&hmapx, reserve);
check_hmapx (&hmapx, NULL, 0, hash);
- for (i = 0; i < cnt; i++)
+ for (i = 0; i < n; i++)
{
struct hmapx_node *(*insert) (struct hmapx *, void *, size_t hash);
size_t capacity;
check_hmapx (&hmapx, insertions, i + 1, hash);
/* A series of insertions should not produce a shrinkable hmapx. */
- if (i >= reserve)
+ if (i >= reserve)
{
capacity = hmapx_capacity (&hmapx);
hmapx_shrink (&hmapx);
- check (capacity == hmapx_capacity (&hmapx));
+ check (capacity == hmapx_capacity (&hmapx));
}
}
- for (i = 0; i < cnt; i++)
+ for (i = 0; i < n; i++)
{
hmapx_delete (&hmapx, nodes[deletions[i]]);
- check_hmapx (&hmapx, deletions + i + 1, cnt - i - 1, hash);
+ check_hmapx (&hmapx, deletions + i + 1, n - i - 1, hash);
}
hmapx_destroy (&hmapx);
test_insert_any_remove_any (hash_function *hash)
{
const int max_elems = 5;
- int cnt;
+ int n;
- for (cnt = 0; cnt <= max_elems; cnt++)
+ for (n = 0; n <= max_elems; n++)
{
int *insertions, *deletions;
- unsigned int ins_perm_cnt;
+ unsigned int ins_n_perms;
int i;
- insertions = xnmalloc (cnt, sizeof *insertions);
- deletions = xnmalloc (cnt, sizeof *deletions);
- for (i = 0; i < cnt; i++)
+ insertions = xnmalloc (n, sizeof *insertions);
+ deletions = xnmalloc (n, sizeof *deletions);
+ for (i = 0; i < n; i++)
insertions[i] = i;
- for (ins_perm_cnt = 0;
- ins_perm_cnt == 0 || next_permutation (insertions, cnt);
- ins_perm_cnt++)
+ for (ins_n_perms = 0;
+ ins_n_perms == 0 || next_permutation (insertions, n);
+ ins_n_perms++)
{
- unsigned int del_perm_cnt;
+ unsigned int del_n_perms;
int i;
- for (i = 0; i < cnt; i++)
+ for (i = 0; i < n; i++)
deletions[i] = i;
- for (del_perm_cnt = 0;
- del_perm_cnt == 0 || next_permutation (deletions, cnt);
- del_perm_cnt++)
- test_insert_delete (insertions, deletions, cnt, hash, 1);
+ for (del_n_perms = 0;
+ del_n_perms == 0 || next_permutation (deletions, n);
+ del_n_perms++)
+ test_insert_delete (insertions, deletions, n, hash, 1);
- check (del_perm_cnt == factorial (cnt));
+ check (del_n_perms == factorial (n));
}
- check (ins_perm_cnt == factorial (cnt));
+ check (ins_n_perms == factorial (n));
free (insertions);
free (deletions);
}
static void
-test_insert_any_remove_any_random_hash (void)
+test_insert_any_remove_any_random_hash (void)
{
test_insert_any_remove_any (random_hash);
}
static void
-test_insert_any_remove_any_identity_hash (void)
+test_insert_any_remove_any_identity_hash (void)
{
test_insert_any_remove_any (identity_hash);
}
static void
-test_insert_any_remove_any_constant_hash (void)
+test_insert_any_remove_any_constant_hash (void)
{
test_insert_any_remove_any (constant_hash);
}
test_insert_any_remove_same (hash_function *hash)
{
const int max_elems = 7;
- int cnt;
+ int n;
- for (cnt = 0; cnt <= max_elems; cnt++)
+ for (n = 0; n <= max_elems; n++)
{
int *values;
- unsigned int permutation_cnt;
+ unsigned int n_permutations;
int i;
- values = xnmalloc (cnt, sizeof *values);
- for (i = 0; i < cnt; i++)
+ values = xnmalloc (n, sizeof *values);
+ for (i = 0; i < n; i++)
values[i] = i;
- for (permutation_cnt = 0;
- permutation_cnt == 0 || next_permutation (values, cnt);
- permutation_cnt++)
- test_insert_delete (values, values, cnt, hash, cnt / 2);
- check (permutation_cnt == factorial (cnt));
+ for (n_permutations = 0;
+ n_permutations == 0 || next_permutation (values, n);
+ n_permutations++)
+ test_insert_delete (values, values, n, hash, n / 2);
+ check (n_permutations == factorial (n));
free (values);
}
}
static void
-test_insert_any_remove_same_random_hash (void)
+test_insert_any_remove_same_random_hash (void)
{
test_insert_any_remove_same (random_hash);
}
static void
-test_insert_any_remove_same_identity_hash (void)
+test_insert_any_remove_same_identity_hash (void)
{
test_insert_any_remove_same (identity_hash);
}
static void
-test_insert_any_remove_same_constant_hash (void)
+test_insert_any_remove_same_constant_hash (void)
{
test_insert_any_remove_same (constant_hash);
}
test_insert_any_remove_reverse (hash_function *hash)
{
const int max_elems = 7;
- int cnt;
+ int n;
- for (cnt = 0; cnt <= max_elems; cnt++)
+ for (n = 0; n <= max_elems; n++)
{
int *insertions, *deletions;
- unsigned int permutation_cnt;
+ unsigned int n_permutations;
int i;
- insertions = xnmalloc (cnt, sizeof *insertions);
- deletions = xnmalloc (cnt, sizeof *deletions);
- for (i = 0; i < cnt; i++)
+ insertions = xnmalloc (n, sizeof *insertions);
+ deletions = xnmalloc (n, sizeof *deletions);
+ for (i = 0; i < n; i++)
insertions[i] = i;
- for (permutation_cnt = 0;
- permutation_cnt == 0 || next_permutation (insertions, cnt);
- permutation_cnt++)
+ for (n_permutations = 0;
+ n_permutations == 0 || next_permutation (insertions, n);
+ n_permutations++)
{
- memcpy (deletions, insertions, sizeof *insertions * cnt);
- reverse (deletions, cnt);
+ memcpy (deletions, insertions, sizeof *insertions * n);
+ reverse (deletions, n);
- test_insert_delete (insertions, deletions, cnt, hash, cnt);
+ test_insert_delete (insertions, deletions, n, hash, n);
}
- check (permutation_cnt == factorial (cnt));
+ check (n_permutations == factorial (n));
free (insertions);
free (deletions);
test_random_sequence (int max_elems, hash_function *hash)
{
const int max_trials = 8;
- int cnt;
+ int n;
- for (cnt = 0; cnt <= max_elems; cnt += 2)
+ for (n = 0; n <= max_elems; n += 2)
{
int *insertions, *deletions;
int trial;
int i;
- insertions = xnmalloc (cnt, sizeof *insertions);
- deletions = xnmalloc (cnt, sizeof *deletions);
- for (i = 0; i < cnt; i++)
+ insertions = xnmalloc (n, sizeof *insertions);
+ deletions = xnmalloc (n, sizeof *deletions);
+ for (i = 0; i < n; i++)
insertions[i] = i;
- for (i = 0; i < cnt; i++)
+ for (i = 0; i < n; i++)
deletions[i] = i;
for (trial = 0; trial < max_trials; trial++)
{
- random_shuffle (insertions, cnt, sizeof *insertions);
- random_shuffle (deletions, cnt, sizeof *deletions);
+ random_shuffle (insertions, n, sizeof *insertions);
+ random_shuffle (deletions, n, sizeof *deletions);
- test_insert_delete (insertions, deletions, cnt, hash, 0);
+ test_insert_delete (insertions, deletions, n, hash, 0);
}
free (insertions);
}
static void
-test_random_sequence_random_hash (void)
+test_random_sequence_random_hash (void)
{
test_random_sequence (64, random_hash);
}
static void
-test_random_sequence_identity_hash (void)
+test_random_sequence_identity_hash (void)
{
test_random_sequence (64, identity_hash);
}
static void
-test_random_sequence_constant_hash (void)
+test_random_sequence_constant_hash (void)
{
test_random_sequence (32, constant_hash);
}
nodes[i] = hmapx_insert (&hmapx, &elements[i], hash (elements[i].data));
check_hmapx (&hmapx, values, i + 1, hash);
- if (hash == identity_hash)
+ if (hash == identity_hash)
{
/* Check that every every hash bucket has (almost) the
same number of nodes in it. */
int max = INT_MIN;
int j;
- for (j = 0; j <= hmapx.hmap.mask; j++)
+ for (j = 0; j <= hmapx.hmap.mask; j++)
{
int count = 0;
struct hmap_node *node;
}
static void
-test_moved_random_hash (void)
+test_moved_random_hash (void)
{
test_moved (128, random_hash);
}
static void
-test_moved_identity_hash (void)
+test_moved_identity_hash (void)
{
test_moved (128, identity_hash);
}
static void
-test_moved_constant_hash (void)
+test_moved_constant_hash (void)
{
test_moved (32, constant_hash);
}
test_changed (hash_function *hash)
{
const int max_elems = 6;
- int cnt;
+ int n;
- for (cnt = 0; cnt <= max_elems; cnt++)
+ for (n = 0; n <= max_elems; n++)
{
int *values, *changed_values;
struct hmapx_node **nodes;
struct element *elements;
- unsigned int permutation_cnt;
+ unsigned int n_permutations;
int i;
- values = xnmalloc (cnt, sizeof *values);
- changed_values = xnmalloc (cnt, sizeof *changed_values);
- elements = xnmalloc (cnt, sizeof *elements);
- nodes = xnmalloc (cnt, sizeof *nodes);
- for (i = 0; i < cnt; i++)
+ values = xnmalloc (n, sizeof *values);
+ changed_values = xnmalloc (n, sizeof *changed_values);
+ elements = xnmalloc (n, sizeof *elements);
+ nodes = xnmalloc (n, sizeof *nodes);
+ for (i = 0; i < n; i++)
values[i] = i;
- for (permutation_cnt = 0;
- permutation_cnt == 0 || next_permutation (values, cnt);
- permutation_cnt++)
+ for (n_permutations = 0;
+ n_permutations == 0 || next_permutation (values, n);
+ n_permutations++)
{
- for (i = 0; i < cnt; i++)
+ for (i = 0; i < n; i++)
{
int j, k;
- for (j = 0; j <= cnt; j++)
+ for (j = 0; j <= n; j++)
{
struct hmapx hmapx;
hmapx_init (&hmapx);
/* Add to HMAPX in order. */
- for (k = 0; k < cnt; k++)
+ for (k = 0; k < n; k++)
{
int n = values[k];
elements[n].data = n;
nodes[n] = hmapx_insert (&hmapx, &elements[n],
hash (elements[n].data));
}
- check_hmapx (&hmapx, values, cnt, hash);
+ check_hmapx (&hmapx, values, n, hash);
/* Change value i to j. */
elements[i].data = j;
- hmapx_changed (&hmapx, nodes[i],
+ hmapx_changed (&hmapx, nodes[i],
hash (elements[i].data));
- for (k = 0; k < cnt; k++)
+ for (k = 0; k < n; k++)
changed_values[k] = k;
changed_values[i] = j;
- check_hmapx (&hmapx, changed_values, cnt, hash);
+ check_hmapx (&hmapx, changed_values, n, hash);
hmapx_destroy (&hmapx);
}
}
}
- check (permutation_cnt == factorial (cnt));
+ check (n_permutations == factorial (n));
free (values);
free (changed_values);
test_change (hash_function *hash)
{
const int max_elems = 6;
- int cnt;
+ int n;
- for (cnt = 0; cnt <= max_elems; cnt++)
+ for (n = 0; n <= max_elems; n++)
{
int *values, *changed_values;
struct hmapx_node **nodes;
struct element *elements;
struct element replacement;
- unsigned int permutation_cnt;
+ unsigned int n_permutations;
int i;
- values = xnmalloc (cnt, sizeof *values);
- changed_values = xnmalloc (cnt, sizeof *changed_values);
- elements = xnmalloc (cnt, sizeof *elements);
- nodes = xnmalloc (cnt, sizeof *nodes);
- for (i = 0; i < cnt; i++)
+ values = xnmalloc (n, sizeof *values);
+ changed_values = xnmalloc (n, sizeof *changed_values);
+ elements = xnmalloc (n, sizeof *elements);
+ nodes = xnmalloc (n, sizeof *nodes);
+ for (i = 0; i < n; i++)
values[i] = i;
- for (permutation_cnt = 0;
- permutation_cnt == 0 || next_permutation (values, cnt);
- permutation_cnt++)
+ for (n_permutations = 0;
+ n_permutations == 0 || next_permutation (values, n);
+ n_permutations++)
{
- for (i = 0; i < cnt; i++)
+ for (i = 0; i < n; i++)
{
int j, k;
- for (j = 0; j <= cnt; j++)
+ for (j = 0; j <= n; j++)
{
struct hmapx hmapx;
hmapx_init (&hmapx);
/* Add to HMAPX in order. */
- for (k = 0; k < cnt; k++)
+ for (k = 0; k < n; k++)
{
int n = values[k];
elements[n].data = n;
nodes[n] = hmapx_insert (&hmapx, &elements[n],
hash (elements[n].data));
}
- check_hmapx (&hmapx, values, cnt, hash);
+ check_hmapx (&hmapx, values, n, hash);
/* Change value i to j. */
replacement.data = j;
hmapx_change (&hmapx, nodes[i], &replacement, hash (j));
- for (k = 0; k < cnt; k++)
+ for (k = 0; k < n; k++)
changed_values[k] = k;
changed_values[i] = j;
- check_hmapx (&hmapx, changed_values, cnt, hash);
+ check_hmapx (&hmapx, changed_values, n, hash);
hmapx_destroy (&hmapx);
}
}
}
- check (permutation_cnt == factorial (cnt));
+ check (n_permutations == factorial (n));
free (values);
free (changed_values);
}
static void
-test_swap (int max_elems, hash_function *hash)
+test_swap (int max_elems, hash_function *hash)
{
struct element *elements;
int *values;
}
static void
-test_swap_random_hash (void)
+test_swap_random_hash (void)
{
test_swap (128, random_hash);
}
+/* Inserts elements into an HMAPX in ascending order, then clears the hash
+ table using hmapx_clear(). */
+static void
+test_clear (void)
+{
+ const int max_elems = 128;
+ struct element *elements;
+ struct hmapx_node **nodes;
+ int *values;
+ struct hmapx hmapx;
+ int n;
+
+ elements = xnmalloc (max_elems, sizeof *elements);
+ nodes = xnmalloc (max_elems, sizeof *nodes);
+ values = xnmalloc (max_elems, sizeof *values);
+
+ hmapx_init (&hmapx);
+ for (n = 0; n <= max_elems; n++)
+ {
+ int i;
+
+ for (i = 0; i < n; i++)
+ {
+ values[i] = elements[i].data = i;
+ nodes[i] = hmapx_insert (&hmapx, &elements[i],
+ random_hash (elements[i].data));
+ check_hmapx (&hmapx, values, i + 1, random_hash);
+ }
+ hmapx_clear (&hmapx);
+ check_hmapx (&hmapx, NULL, 0, random_hash);
+ }
+ hmapx_destroy (&hmapx);
+
+ free (elements);
+ free (nodes);
+ free (values);
+}
+
static void
-test_destroy_null (void)
+test_destroy_null (void)
{
hmapx_destroy (NULL);
}
\f
/* Main program. */
-/* Runs TEST_FUNCTION and prints a message about NAME. */
-static void
-run_test (void (*test_function) (void), const char *name)
-{
- test_name = name;
- putchar ('.');
- fflush (stdout);
- test_function ();
-}
+struct test
+ {
+ const char *name;
+ const char *description;
+ void (*function) (void);
+ };
+
+static const struct test tests[] =
+ {
+ {
+ "insert-any-remove-any-random-hash",
+ "insert any order, delete any order (random hash)",
+ test_insert_any_remove_any_random_hash
+ },
+ {
+ "insert-any-remove-any-identity-hash",
+ "insert any order, delete any order (identity hash)",
+ test_insert_any_remove_any_identity_hash
+ },
+ {
+ "insert-any-remove-any-constant-hash",
+ "insert any order, delete any order (constant hash)",
+ test_insert_any_remove_any_constant_hash
+ },
+ {
+ "insert-any-remove-same-random-hash",
+ "insert any order, delete same order (random hash)",
+ test_insert_any_remove_same_random_hash
+ },
+ {
+ "insert-any-remove-same-identity-hash",
+ "insert any order, delete same order (identity hash)",
+ test_insert_any_remove_same_identity_hash
+ },
+ {
+ "insert-any-remove-same-constant-hash",
+ "insert any order, delete same order (constant hash)",
+ test_insert_any_remove_same_constant_hash
+ },
+ {
+ "insert-any-remove-reverse-random-hash",
+ "insert any order, delete reverse order (random hash)",
+ test_insert_any_remove_reverse_random_hash
+ },
+ {
+ "insert-any-remove-reverse-identity-hash",
+ "insert any order, delete reverse order (identity hash)",
+ test_insert_any_remove_reverse_identity_hash
+ },
+ {
+ "insert-any-remove-reverse-constant-hash",
+ "insert any order, delete reverse order (constant hash)",
+ test_insert_any_remove_reverse_constant_hash
+ },
+ {
+ "random-sequence-random-hash",
+ "insert and delete in random sequence (random hash)",
+ test_random_sequence_random_hash
+ },
+ {
+ "random-sequence-identity-hash",
+ "insert and delete in random sequence (identity hash)",
+ test_random_sequence_identity_hash
+ },
+ {
+ "random-sequence-constant-hash",
+ "insert and delete in random sequence (constant hash)",
+ test_random_sequence_constant_hash
+ },
+ {
+ "insert-ordered-random-hash",
+ "insert in ascending order (random hash)",
+ test_insert_ordered_random_hash
+ },
+ {
+ "insert-ordered-identity-hash",
+ "insert in ascending order (identity hash)",
+ test_insert_ordered_identity_hash
+ },
+ {
+ "insert-ordered-constant-hash",
+ "insert in ascending order (constant hash)",
+ test_insert_ordered_constant_hash
+ },
+ {
+ "moved-random-hash",
+ "move elements around in memory (random hash)",
+ test_moved_random_hash
+ },
+ {
+ "moved-identity-hash",
+ "move elements around in memory (identity hash)",
+ test_moved_identity_hash
+ },
+ {
+ "moved-constant-hash",
+ "move elements around in memory (constant hash)",
+ test_moved_constant_hash
+ },
+ {
+ "changed-random-hash",
+ "change key data in nodes (random hash)",
+ test_changed_random_hash
+ },
+ {
+ "changed-identity-hash",
+ "change key data in nodes (identity hash)",
+ test_changed_identity_hash
+ },
+ {
+ "changed-constant-hash",
+ "change key data in nodes (constant hash)",
+ test_changed_constant_hash
+ },
+ {
+ "change-random-hash",
+ "change and move key data in nodes (random hash)",
+ test_change_random_hash
+ },
+ {
+ "change-identity-hash",
+ "change and move key data in nodes (identity hash)",
+ test_change_identity_hash
+ },
+ {
+ "change-constant-hash",
+ "change and move key data in nodes (constant hash)",
+ test_change_constant_hash
+ },
+ {
+ "swap-random-hash",
+ "test swapping tables",
+ test_swap_random_hash
+ },
+ {
+ "clear",
+ "test clearing hash table",
+ test_clear
+ },
+ {
+ "destroy-null",
+ "test destroying null table",
+ test_destroy_null
+ },
+ {
+ "shrink-empty",
+ "test shrinking an empty table",
+ test_shrink_empty
+ },
+ };
+
+enum { N_TESTS = sizeof tests / sizeof *tests };
int
-main (void)
+main (int argc, char *argv[])
{
- run_test (test_insert_any_remove_any_random_hash,
- "insert any order, delete any order (random hash)");
- run_test (test_insert_any_remove_any_identity_hash,
- "insert any order, delete any order (identity hash)");
- run_test (test_insert_any_remove_any_constant_hash,
- "insert any order, delete any order (constant hash)");
-
- run_test (test_insert_any_remove_same_random_hash,
- "insert any order, delete same order (random hash)");
- run_test (test_insert_any_remove_same_identity_hash,
- "insert any order, delete same order (identity hash)");
- run_test (test_insert_any_remove_same_constant_hash,
- "insert any order, delete same order (constant hash)");
-
- run_test (test_insert_any_remove_reverse_random_hash,
- "insert any order, delete reverse order (random hash)");
- run_test (test_insert_any_remove_reverse_identity_hash,
- "insert any order, delete reverse order (identity hash)");
- run_test (test_insert_any_remove_reverse_constant_hash,
- "insert any order, delete reverse order (constant hash)");
-
- run_test (test_random_sequence_random_hash,
- "insert and delete in random sequence (random hash)");
- run_test (test_random_sequence_identity_hash,
- "insert and delete in random sequence (identity hash)");
- run_test (test_random_sequence_constant_hash,
- "insert and delete in random sequence (constant hash)");
-
- run_test (test_insert_ordered_random_hash,
- "insert in ascending order (random hash)");
- run_test (test_insert_ordered_identity_hash,
- "insert in ascending order (identity hash)");
- run_test (test_insert_ordered_constant_hash,
- "insert in ascending order (constant hash)");
-
- run_test (test_moved_random_hash,
- "move elements around in memory (random hash)");
- run_test (test_moved_identity_hash,
- "move elements around in memory (identity hash)");
- run_test (test_moved_constant_hash,
- "move elements around in memory (constant hash)");
-
- run_test (test_changed_random_hash,
- "change key data in nodes (random hash)");
- run_test (test_changed_identity_hash,
- "change key data in nodes (identity hash)");
- run_test (test_changed_constant_hash,
- "change key data in nodes (constant hash)");
-
- run_test (test_change_random_hash,
- "change and move key data in nodes (random hash)");
- run_test (test_change_identity_hash,
- "change and move key data in nodes (identity hash)");
- run_test (test_change_constant_hash,
- "change and move key data in nodes (constant hash)");
-
- run_test (test_swap_random_hash, "test swapping tables");
-
- run_test (test_destroy_null, "test destroying null table");
- run_test (test_shrink_empty, "test shrinking an empty table");
-
- putchar ('\n');
-
- return 0;
+ int i;
+
+ if (argc != 2)
+ {
+ fprintf (stderr, "exactly one argument required; use --help for help\n");
+ return EXIT_FAILURE;
+ }
+ else if (!strcmp (argv[1], "--help"))
+ {
+ printf ("%s: test hash map of pointers\n"
+ "usage: %s TEST-NAME\n"
+ "where TEST-NAME is one of the following:\n",
+ argv[0], argv[0]);
+ for (i = 0; i < N_TESTS; i++)
+ printf (" %s\n %s\n", tests[i].name, tests[i].description);
+ return 0;
+ }
+ else
+ {
+ for (i = 0; i < N_TESTS; i++)
+ if (!strcmp (argv[1], tests[i].name))
+ {
+ tests[i].function ();
+ return 0;
+ }
+
+ fprintf (stderr, "unknown test %s; use --help for help\n", argv[1]);
+ return EXIT_FAILURE;
+ }
}