src/util/tests/set/set_test.cpp

   1 /*
   2  * Copyright © 2018 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <gtest/gtest.h>
  25 #include "util/hash_table.h"
  26 #include "util/set.h"
  27
  28 TEST(set, basic)
  29 {
  30    struct set *s = _mesa_set_create(NULL, _mesa_hash_pointer,
  31                                     _mesa_key_pointer_equal);
  32    struct set_entry *entry;
  33
  34    const void *a = (const void *)10;
  35    const void *b = (const void *)20;
  36
  37    _mesa_set_add(s, a);
  38    _mesa_set_add(s, b);
  39    EXPECT_EQ(s->entries, 2);
  40
  41    _mesa_set_add(s, a);
  42    EXPECT_EQ(s->entries, 2);
  43
  44    entry = _mesa_set_search(s, a);
  45    EXPECT_TRUE(entry);
  46    EXPECT_EQ(entry->key, a);
  47
  48    _mesa_set_remove(s, entry);
  49    EXPECT_EQ(s->entries, 1);
  50
  51    entry = _mesa_set_search(s, a);
  52    EXPECT_FALSE(entry);
  53
  54    _mesa_set_destroy(s, NULL);
  55 }
  56
  57 TEST(set, clone)
  58 {
  59    struct set *s = _mesa_set_create(NULL, _mesa_hash_pointer,
  60                                     _mesa_key_pointer_equal);
  61    struct set_entry *entry;
  62
  63    const void *a = (const void *)10;
  64    const void *b = (const void *)20;
  65    const void *c = (const void *)30;
  66
  67    _mesa_set_add(s, a);
  68    _mesa_set_add(s, b);
  69    _mesa_set_add(s, c);
  70
  71    entry = _mesa_set_search(s, c);
  72    EXPECT_TRUE(entry);
  73    EXPECT_EQ(entry->key, c);
  74
  75    _mesa_set_remove(s, entry);
  76    EXPECT_EQ(s->entries, 2);
  77
  78    struct set *clone = _mesa_set_clone(s, NULL);
  79    EXPECT_EQ(clone->entries, 2);
  80
  81    EXPECT_TRUE(_mesa_set_search(clone, a));
  82    EXPECT_TRUE(_mesa_set_search(clone, b));
  83    EXPECT_FALSE(_mesa_set_search(clone, c));
  84
  85    _mesa_set_destroy(s, NULL);
  86    _mesa_set_destroy(clone, NULL);
  87 }
  88
  89 TEST(set, remove_key)
  90 {
  91    struct set *s = _mesa_set_create(NULL, _mesa_hash_pointer,
  92                                     _mesa_key_pointer_equal);
  93
  94    const void *a = (const void *)10;
  95    const void *b = (const void *)20;
  96    const void *c = (const void *)30;
  97
  98    _mesa_set_add(s, a);
  99    _mesa_set_add(s, b);
 100    EXPECT_EQ(s->entries, 2);
 101
 102    /* Remove existing key. */
 103    _mesa_set_remove_key(s, a);
 104    EXPECT_EQ(s->entries, 1);
 105    EXPECT_FALSE(_mesa_set_search(s, a));
 106    EXPECT_TRUE(_mesa_set_search(s, b));
 107
 108    /* Remove non-existing key. */
 109    _mesa_set_remove_key(s, c);
 110    EXPECT_EQ(s->entries, 1);
 111    EXPECT_FALSE(_mesa_set_search(s, a));
 112    EXPECT_TRUE(_mesa_set_search(s, b));
 113
 114    _mesa_set_destroy(s, NULL);
 115 }
 116
 117 static uint32_t hash_int(const void *p)
 118 {
 119    int i = *(const int *)p;
 120    return i;
 121 }
 122
 123 static bool cmp_int(const void *p1, const void *p2)
 124 {
 125    int i1 = *(const int *)p1, i2 = *(const int *)p2;
 126    return i1 == i2;
 127 }
 128
 129 TEST(set, search_or_add)
 130 {
 131    struct set *s = _mesa_set_create(NULL, hash_int, cmp_int);
 132
 133    int a = 10, b = 20, c = 20, d = 30;
 134
 135    _mesa_set_add(s, &a);
 136    _mesa_set_add(s, &b);
 137    EXPECT_EQ(s->entries, 2);
 138
 139    struct set_entry *entry = _mesa_set_search_or_add(s, &c);
 140    EXPECT_EQ(entry->key, (void *)&b);
 141    EXPECT_EQ(s->entries, 2);
 142
 143    struct set_entry *entry3 = _mesa_set_search_or_add(s, &d);
 144    EXPECT_EQ(entry3->key, &d);
 145    EXPECT_EQ(s->entries, 3);
 146
 147    _mesa_set_destroy(s, NULL);
 148 }