ReactOS  0.4.15-dev-3331-g8ebe441
__rt_div.c
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1 /*
2  * PROJECT: ReactOS API tests
3  * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
4  * PURPOSE: Tests for statically linked __rt_sdiv/udiv/sdiv64/udiv64 on ARM
5  * COPYRIGHT: Copyright 2021 Stanislav Motylkov <x86corez@gmail.com>
6  */
7 
8 #include <apitest.h>
9 
10 typedef struct _SDIV_TEST_DATA
11 {
17 
18 typedef struct _UDIV_TEST_DATA
19 {
25 
26 typedef struct _SDIV64_TEST_DATA
27 {
33 
34 typedef struct _UDIV64_TEST_DATA
35 {
41 
42 START_TEST(__rt_div)
43 {
44  SDIV_TEST_DATA sdiv[] =
45  {
46  /* Dividend is larger than divisor */
47  { 3425, 400, 8, 225 },
48  { -3425, 400, -8, -225 },
49  { 3425, -400, -8, 225 },
50  { -3425, -400, 8, -225 },
51  /* Divisor is larger than dividend */
52  { 12, 42, 0, 12 },
53  { -12, 42, 0, -12 },
54  { 12, -42, 0, 12 },
55  { -12, -42, 0, -12 },
56  /* Division without remainder */
57  { 16777216, 65536, 256, 0 },
58  { -16777216, 65536, -256, 0 },
59  { 16777216, -65536, -256, 0 },
60  { -16777216, -65536, 256, 0 },
61  };
62  UDIV_TEST_DATA udiv[] =
63  {
64  /* Dividend is larger than divisor */
65  { 3425, 400, 8, 225 },
66  /* Divisor is larger than dividend */
67  { 12, 42, 0, 12 },
68  /* Division without remainder */
69  { 16777216, 65536, 256, 0 },
70  };
71  SDIV64_TEST_DATA sdiv64[] =
72  {
73  /* Dividend is larger than divisor */
74  { 34918215, 7, 4988316, 3 },
75  { -34918215, 7, -4988316, -3 },
76  { 34918215, -7, -4988316, 3 },
77  { -34918215, -7, 4988316, -3 },
78  /* Divisor is larger than dividend */
79  { 12, 42, 0, 12 },
80  { -12, 42, 0, -12 },
81  { 12, -42, 0, 12 },
82  { -12, -42, 0, -12 },
83  /* Division without remainder */
84  { 16777216, 65536, 256, 0 },
85  { -16777216, 65536, -256, 0 },
86  { 16777216, -65536, -256, 0 },
87  { -16777216, -65536, 256, 0 },
88 
89  /* Big 64-bit numbers */
90 
91  /* Dividend is larger than divisor */
92  { 0x2AFFFFFFFLL * 100, 400, 2885681151LL, 300 },
93  { -0x2AFFFFFFFLL * 100, 400, -2885681151LL, -300 },
94  { 0x2AFFFFFFFLL * 100, -400, -2885681151LL, 300 },
95  { -0x2AFFFFFFFLL * 100, -400, 2885681151LL, -300 },
96  /* Divisor is larger than dividend */
97  { 0x2AFFFFFFFLL * 50, 0x2AFFFFFFFLL * 100, 0, 0x2AFFFFFFFLL * 50 },
98  { -0x2AFFFFFFFLL * 50, 0x2AFFFFFFFLL * 100, 0, -0x2AFFFFFFFLL * 50 },
99  { 0x2AFFFFFFFLL * 50, -0x2AFFFFFFFLL * 100, 0, 0x2AFFFFFFFLL * 50 },
100  { -0x2AFFFFFFFLL * 50, -0x2AFFFFFFFLL * 100, 0, -0x2AFFFFFFFLL * 50 },
101  /* Division without remainder */
102  { 0x2AFFFFFFFLL * 100, 100, 0x2AFFFFFFFLL, 0 },
103  { -0x2AFFFFFFFLL * 100, 100, -0x2AFFFFFFFLL, 0 },
104  { 0x2AFFFFFFFLL * 100, -100, -0x2AFFFFFFFLL, 0 },
105  { -0x2AFFFFFFFLL * 100, -100, 0x2AFFFFFFFLL, 0 },
106  };
107  UDIV64_TEST_DATA udiv64[] =
108  {
109  /* Dividend is larger than divisor */
110  { 34918215, 7, 4988316, 3 },
111  /* Divisor is larger than dividend */
112  { 12, 42, 0, 12 },
113  /* Division without remainder */
114  { 16777216, 65536, 256, 0 },
115 
116  /* Big 64-bit numbers */
117 
118  /* Dividend is larger than divisor */
119  { 0x2AFFFFFFFULL * 100, 400, 2885681151ULL, 300 },
120  /* Divisor is larger than dividend */
121  { 0x2AFFFFFFFULL * 50, 0x2AFFFFFFFULL * 100, 0, 0x2AFFFFFFFULL * 50 },
122  /* Division without remainder */
123  { 0x2AFFFFFFFULL * 100, 100, 0x2AFFFFFFFULL, 0 },
124  };
125  INT i;
126 
127  for (i = 0; i < _countof(sdiv); i++)
128  {
129  LONG test_div, test_mod;
130 
131  test_div = sdiv[i].dividend / sdiv[i].divisor;
132  test_mod = sdiv[i].dividend % sdiv[i].divisor;
133  ok(test_div == sdiv[i].expected_div, "(sdiv) %d: Expected %ld, got %ld / %ld = %ld\n",
134  i, sdiv[i].expected_div, sdiv[i].dividend, sdiv[i].divisor, test_div);
135  ok(test_mod == sdiv[i].expected_mod, "(sdiv) %d: Expected %ld, got %ld %% %ld = %ld\n",
136  i, sdiv[i].expected_mod, sdiv[i].dividend, sdiv[i].divisor, test_mod);
137  }
138 
139  for (i = 0; i < _countof(udiv); i++)
140  {
141  ULONG test_div, test_mod;
142 
143  test_div = udiv[i].dividend / udiv[i].divisor;
144  test_mod = udiv[i].dividend % udiv[i].divisor;
145  ok(test_div == udiv[i].expected_div, "(udiv) %d: Expected %lu, got %lu / %lu = %lu\n",
146  i, udiv[i].expected_div, udiv[i].dividend, udiv[i].divisor, test_div);
147  ok(test_mod == udiv[i].expected_mod, "(udiv) %d: Expected %lu, got %lu %% %lu = %lu\n",
148  i, udiv[i].expected_mod, udiv[i].dividend, udiv[i].divisor, test_mod);
149  }
150 
151  for (i = 0; i < _countof(sdiv64); i++)
152  {
153  LONGLONG test_div, test_mod;
154 
155  test_div = sdiv64[i].dividend / sdiv64[i].divisor;
156  test_mod = sdiv64[i].dividend % sdiv64[i].divisor;
157  ok(test_div == sdiv64[i].expected_div, "(sdiv64) %d: Expected %lld, got %lld / %lld = %lld\n",
158  i, sdiv64[i].expected_div, sdiv64[i].dividend, sdiv64[i].divisor, test_div);
159  ok(test_mod == sdiv64[i].expected_mod, "(sdiv64) %d: Expected %lld, got %lld %% %lld = %lld\n",
160  i, sdiv64[i].expected_mod, sdiv64[i].dividend, sdiv64[i].divisor, test_mod);
161  }
162 
163  for (i = 0; i < _countof(udiv64); i++)
164  {
165  ULONGLONG test_div, test_mod;
166 
167  test_div = udiv64[i].dividend / udiv64[i].divisor;
168  test_mod = udiv64[i].dividend % udiv64[i].divisor;
169  ok(test_div == udiv64[i].expected_div, "(udiv64) %d: Expected %llu, got %llu / %llu = %llu\n",
170  i, udiv64[i].expected_div, udiv64[i].dividend, udiv64[i].divisor, test_div);
171  ok(test_mod == udiv64[i].expected_mod, "(udiv64) %d: Expected %llu, got %llu %% %llu = %llu\n",
172  i, udiv64[i].expected_mod, udiv64[i].dividend, udiv64[i].divisor, test_mod);
173  }
174 }
175 
struct _UDIV_TEST_DATA UDIV_TEST_DATA
#define LL
Definition: tui.h:84
ULONG divisor
Definition: __rt_div.c:21
int32_t INT
Definition: typedefs.h:58
LONGLONG expected_div
Definition: __rt_div.c:30
LONG expected_mod
Definition: __rt_div.c:15
long LONG
Definition: pedump.c:60
LONG expected_div
Definition: __rt_div.c:14
LONGLONG divisor
Definition: __rt_div.c:29
struct _SDIV64_TEST_DATA SDIV64_TEST_DATA
struct _UDIV64_TEST_DATA UDIV64_TEST_DATA
LONGLONG dividend
Definition: __rt_div.c:28
#define ULL(a, b)
Definition: format_msg.c:27
ULONGLONG divisor
Definition: __rt_div.c:37
ULONGLONG expected_div
Definition: __rt_div.c:38
int64_t LONGLONG
Definition: typedefs.h:68
struct _SDIV_TEST_DATA SDIV_TEST_DATA
START_TEST(__rt_div)
Definition: __rt_div.c:42
uint64_t ULONGLONG
Definition: typedefs.h:67
#define _countof(array)
Definition: sndvol32.h:68
ULONGLONG dividend
Definition: __rt_div.c:36
LONGLONG expected_mod
Definition: __rt_div.c:31
GLuint divisor
Definition: glext.h:6313
ULONGLONG expected_mod
Definition: __rt_div.c:39
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define ok(value,...)
Definition: atltest.h:57
ULONG expected_div
Definition: __rt_div.c:22
ULONG expected_mod
Definition: __rt_div.c:23
unsigned int ULONG
Definition: retypes.h:1
ULONG dividend
Definition: __rt_div.c:20