nanocoat/tests/testAtomic.c

   1 /* -*- Mode: C; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the Mozilla Public License Version 2.0.
   7 // See license.mkd for licensing and copyright information.
   8 // -------------------------------------------------------------------------*/
   9
  10 #include "mock.h"
  11 #include "proto.h"
  12 #include "test.h"
  13 #include "unit.h"
  14 #include "sjme/atomic.h"
  15
  16 #define P(x) ((sjme_pointer)x)
  17
  18 /**
  19  * Tests atomic values.
  20  *
  21  * @since 2024/01/09
  22  */
  23 SJME_TEST_DECLARE(testAtomic)
  24 {
  25         sjme_atomic_sjme_jint atomInt;
  26         sjme_atomic_sjme_pointer atomPtr;
  27
  28         /* Seed to some invalid value. */
  29         atomInt.value = 666;
  30
  31         /* Set value, implicit with no check. */
  32         sjme_atomic_sjme_jint_set(&atomInt, 123);
  33
  34         /* Set, should have old value. */
  35         sjme_unit_equalI(test,
  36                 123, sjme_atomic_sjme_jint_set(&atomInt, 456),
  37                 "Int old value was not set first?");
  38
  39         /* Add to it. */
  40         sjme_unit_equalI(test,
  41                 456, sjme_atomic_sjme_jint_getAdd(&atomInt, 2),
  42                 "Int old value was not set second?");
  43
  44         /* Should have two added to it. */
  45         sjme_unit_equalI(test,
  46                 458, sjme_atomic_sjme_jint_get(&atomInt),
  47                 "Atomic add did not add?");
  48
  49         /* Try changing it but failing. */
  50         sjme_unit_equalZ(test, SJME_JNI_FALSE,
  51                 sjme_atomic_sjme_jint_compareSet(&atomInt,
  52                         666, 123),
  53                 "Int compare mismatch failed?");
  54
  55         /* Should still be old value. */
  56         sjme_unit_equalI(test,
  57                 458, sjme_atomic_sjme_jint_get(&atomInt),
  58                 "Atomic was a different value?");
  59
  60         /* Then change it but pass. */
  61         sjme_unit_equalZ(test, SJME_JNI_TRUE,
  62                 sjme_atomic_sjme_jint_compareSet(&atomInt,
  63                         458, 123),
  64                 "Int compare matched failed?");
  65
  66         /* Should be the new value. */
  67         sjme_unit_equalI(test,
  68                 123, sjme_atomic_sjme_jint_get(&atomInt),
  69                 "Int compared value not set?");
  70
  71         /* Seed to some invalid value. */
  72         atomPtr.value = P(666);
  73
  74         /* Set value, implicit with no check. */
  75         sjme_atomic_sjme_pointer_set(&atomPtr, P(123));
  76
  77         /* Set, should have old value. */
  78         sjme_unit_equalP(test,
  79                 P(123), sjme_atomic_sjme_pointer_set(&atomPtr, P(456)),
  80                 "Pointer old value was not set first?");
  81
  82         /* Add to it. */
  83         sjme_unit_equalP(test,
  84                 P(456), sjme_atomic_sjme_pointer_getAdd(&atomPtr, 2),
  85                 "Pointer old value was not set second?");
  86
  87         /* Try changing it but failing. */
  88         sjme_unit_equalZ(test, SJME_JNI_FALSE,
  89                 sjme_atomic_sjme_pointer_compareSet(&atomPtr,
  90                         P(666), P(123)),
  91                 "Pointer compare mismatch failed?");
  92
  93         /* Then change it but pass. */
  94         sjme_unit_equalZ(test, SJME_JNI_TRUE,
  95                 sjme_atomic_sjme_pointer_compareSet(&atomPtr,
  96                         P(458), P(123)),
  97                 "Pointer compare matched failed?");
  98
  99         /* Should be the new value. */
 100         sjme_unit_equalP(test,
 101                 P(123), sjme_atomic_sjme_pointer_get(&atomPtr),
 102                 "Pointer compared value not set?");
 103
 104         /* Success! */
 105         return SJME_TEST_RESULT_PASS;
 106 }