feisty meow concerns codebase 2.140
test_packing.cpp
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1/*
2* Name : test_object_packing
3* Author : Chris Koeritz
4**
5* Copyright (c) 1996-$now By Author. This program is free software; you can *
6* redistribute it and/or modify it under the terms of the GNU General Public *
7* License as published by the Free Software Foundation; either version 2 of *
8* the License or (at your option) any later version. This is online at: *
9* http://www.fsf.org/copyleft/gpl.html *
10* Please send any updates to: fred@gruntose.com *
11*/
12
13#include <application/hoople_main.h>
14#include <basis/astring.h>
15#include <basis/byte_array.h>
16#include <basis/functions.h>
17#include <basis/guards.h>
18#include <loggers/critical_events.h>
19#include <mathematics/chaos.h>
20#include <mathematics/double_plus.h>
21#include <structures/static_memory_gremlin.h>
22#include <unit_test/unit_base.h>
23
24#include <math.h>
25
26using namespace application;
27using namespace basis;
28using namespace loggers;
29using namespace mathematics;
30using namespace structures;
31using namespace unit_test;
32
33#define GENERATE_TEST_NAME(group, message) \
34 (astring(group) + " test group: " + message)
35
36#define TRY_ON(type, value, group) { \
37 byte_array temp_array; \
38 attach(temp_array, type(value)); \
39 type output; \
40/*log(astring(astring::SPRINTF, "parms are: type=%s value=%s group=%s", #type, #value, #group));*/ \
41 ASSERT_TRUE(detach(temp_array, output), \
42 GENERATE_TEST_NAME(group, "should unpack " #type " okay")); \
43 ASSERT_TRUE(output == type(value), \
44 GENERATE_TEST_NAME(group, #type " value should match")); \
45 ASSERT_FALSE(temp_array.length(), \
46 GENERATE_TEST_NAME(group, #type " detached should be empty")); \
47}
48
49#define TRY_ON_OBSCURE(type, value, group) { \
50 byte_array temp_array; \
51 obscure_attach(temp_array, type(value)); \
52 type output; \
53/*log(astring(astring::SPRINTF, "parms are: type=%s value=%s group=%s", #type, #value, #group));*/ \
54 ASSERT_TRUE(obscure_detach(temp_array, output), \
55 GENERATE_TEST_NAME(group, "should obscure unpack " #type " okay")); \
56 ASSERT_TRUE(output == type(value), \
57 GENERATE_TEST_NAME(group, #type " value should obscure match")); \
58 ASSERT_FALSE(temp_array.length(), \
59 GENERATE_TEST_NAME(group, #type " obscure detached should be empty")); \
60}
61
62#define TRY_ON_F(type, value, group) { \
63 byte_array temp_array; \
64 attach(temp_array, type(value)); \
65 type output; \
66/*log(astring(astring::SPRINTF, "parms are: type=%s value=%s group=%s", #type, #value, #group));*/ \
67 ASSERT_TRUE(detach(temp_array, output), \
68 GENERATE_TEST_NAME(group, "should unpack " #type " fine")); \
69/* double_plus<type> a(output); \
70 double_plus<type> b(value); */ \
71 /*double diff = maximum(output, value) - minimum(output, value);*/ \
72 int exponent_1, exponent_2; \
73 double mantissa_1 = frexp(output, &exponent_1); \
74 double mantissa_2 = frexp(output, &exponent_2); \
75 ASSERT_FALSE( (mantissa_1 != mantissa_2) || (exponent_1 != exponent_2), \
76 GENERATE_TEST_NAME(group, #type " value should match just so")); \
77 ASSERT_FALSE(temp_array.length(), \
78 GENERATE_TEST_NAME(group, #type " detached should have no data left")); \
79}
80
81class test_object_packing : virtual public unit_base, virtual public application_shell
82{
83public:
84 test_object_packing() : application_shell() {}
85 ~test_object_packing() {}
86
87 DEFINE_CLASS_NAME("test_object_packing");
88
89 int execute();
90};
91
93
94int test_object_packing::execute()
95{
96 FUNCDEF("execute");
97 {
98 #define TEST "first"
99 TRY_ON(int, 2383, TEST);
100 TRY_ON(int, -18281, TEST);
101// TRY_ON(long, 337628, TEST);
102// TRY_ON(long, -987887, TEST);
103 TRY_ON(short, 12983, TEST);
104 TRY_ON(short, -32700, TEST);
105 TRY_ON(int, 2988384, TEST);
106 TRY_ON(int, 92982984, TEST);
107// TRY_ON(un_long, 388745, TEST);
108// TRY_ON(un_long, 993787, TEST);
109 TRY_ON(basis::un_short, 12983, TEST);
110 TRY_ON(basis::un_short, 48377, TEST);
111 TRY_ON_OBSCURE(un_int, -23948377, TEST);
112 TRY_ON_OBSCURE(un_int, 28938, TEST);
113 #undef TEST
114 }
115 {
116 #define TEST "second"
117 TRY_ON(int, 0, TEST);
118 TRY_ON(int, MAXINT32, TEST);
119 TRY_ON(int, MININT32, TEST);
120 TRY_ON(abyte, 0, TEST);
121 TRY_ON(abyte, MAXBYTE, TEST);
122 TRY_ON(abyte, MINBYTE, TEST);
123 TRY_ON(char, 0, TEST);
124 TRY_ON(char, MAXCHAR, TEST);
125 TRY_ON(char, MINCHAR, TEST);
126// TRY_ON(long, 0, TEST);
127// TRY_ON(long, MAXLONG, TEST);
128// TRY_ON(long, MINLONG, TEST);
129 TRY_ON(short, 0, TEST);
130 TRY_ON(short, MAXINT16, TEST);
131 TRY_ON(short, MININT16, TEST);
132 TRY_ON(basis::un_int, 0, TEST);
133 un_int max_u_int = MAXINT32 | MININT32;
134 TRY_ON(basis::un_int, max_u_int, TEST);
135 TRY_ON(basis::un_int, max_u_int - 1, TEST);
136 TRY_ON(basis::un_int, max_u_int - 2, TEST);
137 TRY_ON(basis::un_int, max_u_int - 3, TEST);
138// un_long max_u_long = MAXLONG | MINLONG;
139// TRY_ON(un_long, 0, TEST);
140// TRY_ON(un_long, max_u_long, TEST);
141// TRY_ON(un_long, max_u_long - 1, TEST);
142// TRY_ON(un_long, max_u_long - 2, TEST);
143// TRY_ON(un_long, max_u_long - 3, TEST);
144 basis::un_short max_u_short = MAXINT16 | MININT16;
145 TRY_ON(basis::un_short, 0, TEST);
146 TRY_ON(basis::un_short, max_u_short, TEST);
147 TRY_ON(basis::un_short, max_u_short - 1, TEST);
148 TRY_ON(basis::un_short, max_u_short - 2, TEST);
149 TRY_ON(basis::un_short, max_u_short - 3, TEST);
150 #undef TEST
151 }
152 {
153 #define TEST "third"
154 // new bit for floating point packing.
155 TRY_ON_F(double, 0.0, TEST);
156 TRY_ON_F(double, 1.0, TEST);
157 TRY_ON_F(double, -1.0, TEST);
158 TRY_ON_F(double, 1.1, TEST);
159 TRY_ON_F(double, -1.1, TEST);
160 TRY_ON_F(double, 1983.293, TEST);
161 TRY_ON_F(double, -1983.293, TEST);
162 TRY_ON_F(double, 984.293e20, TEST);
163 TRY_ON_F(double, -984.293e31, TEST);
164
165 const int MAX_FLOAT_ITERS = 100;
166 int iters = 0;
167 while (iters++ < MAX_FLOAT_ITERS) {
168 double dividend = randomizer().inclusive(1, MAXINT32 / 2);
169 double divisor = randomizer().inclusive(1, MAXINT32 / 2);
170 double multiplier = randomizer().inclusive(1, MAXINT32 / 2);
171 double rand_float = (dividend / divisor) * multiplier;
172 if (randomizer().inclusive(0, 1) == 1)
173 rand_float = -1.0 * rand_float;
174 TRY_ON_F(double, rand_float, "third--loop");
175//log(a_sprintf("%f", rand_float));
176 }
177 #undef TEST
178 }
179
180 {
181 #define TEST "fourth"
182 // new test for char * packing.
183 const char *tunnel_vision = "plants can make good friends.";
184 const char *fresnel_lense = "chimney sweeps carry some soot.";
185 const char *snoopy = "small white dog with black spots.";
186 byte_array stored;
187 int fregose = 38861;
188 double perky_doodle = 3799.283e10;
189 const char *emptyish = "";
190 int jumboat = 998;
191 // now stuff the array with some things.
192 attach(stored, fregose);
193 attach(stored, tunnel_vision);
194 attach(stored, snoopy);
195 attach(stored, perky_doodle);
196 attach(stored, fresnel_lense);
197 attach(stored, emptyish);
198 attach(stored, jumboat);
199 // time to restore those contents.
200 astring tunnel_copy;
201 astring fresnel_copy;
202 astring snoopy_copy;
203 int freg_copy;
204 double perk_copy;
205 astring emp_copy;
206 int jum_copy;
207 ASSERT_TRUE(detach(stored, freg_copy),
208 GENERATE_TEST_NAME(TEST, "first int failed to unpack"));
209 ASSERT_TRUE(detach(stored, tunnel_copy),
210 GENERATE_TEST_NAME(TEST, "first string failed to unpack"));
211 ASSERT_TRUE(detach(stored, snoopy_copy),
212 GENERATE_TEST_NAME(TEST, "second string failed to unpack"));
213 ASSERT_TRUE(detach(stored, perk_copy),
214 GENERATE_TEST_NAME(TEST, "first double failed to unpack"));
215 ASSERT_TRUE(detach(stored, fresnel_copy),
216 GENERATE_TEST_NAME(TEST, "third string failed to unpack"));
217 ASSERT_TRUE(detach(stored, emp_copy),
218 GENERATE_TEST_NAME(TEST, "fourth string failed to unpack"));
219 ASSERT_TRUE(detach(stored, jum_copy),
220 GENERATE_TEST_NAME(TEST, "second int failed to unpack"));
221 // now test contents.
222 ASSERT_EQUAL(freg_copy, fregose,
223 GENERATE_TEST_NAME(TEST, "first int had wrong contents"));
224 ASSERT_EQUAL(tunnel_copy, astring(tunnel_vision),
225 GENERATE_TEST_NAME(TEST, "first string had wrong contents"));
226 ASSERT_EQUAL(snoopy_copy, astring(snoopy),
227 GENERATE_TEST_NAME(TEST, "second string had wrong contents"));
228 ASSERT_EQUAL(perk_copy, perky_doodle,
229 GENERATE_TEST_NAME(TEST, "first double had wrong contents"));
230 ASSERT_EQUAL(fresnel_copy, astring(fresnel_lense),
231 GENERATE_TEST_NAME(TEST, "third string had wrong contents"));
232 ASSERT_EQUAL(emp_copy, astring(emptyish),
233 GENERATE_TEST_NAME(TEST, "fourth string had wrong contents"));
234 ASSERT_EQUAL(jum_copy, jumboat,
235 GENERATE_TEST_NAME(TEST, "second int had wrong contents"));
236 ASSERT_FALSE(stored.length(),
237 GENERATE_TEST_NAME(TEST, "array still had contents after detaching"));
238 #undef TEST
239 }
240
241// critical_events::alert_message("packable:: works for those functions tested.");
242 return final_report();
243}
244
246
247HOOPLE_MAIN(test_object_packing, );
248
byte_array.h
application::application_shell
The application_shell is a base object for console programs.
Definition application_shell.h:33
application::application_shell::execute
virtual int execute()=0
< retrieves the command line from the /proc hierarchy on linux.
application::application_shell::application_shell
application_shell()
constructs an application_shell to serve as the root of the program.
Definition application_shell.cpp:49
basis::array::length
int length() const
Returns the current reported length of the allocated C array.
Definition array.h:115
basis::astring
Provides a dynamically resizable ASCII character string.
Definition astring.h:35
basis::byte_array
A very common template for a dynamic array of bytes.
Definition byte_array.h:36
unit_test::unit_base
Definition unit_base.h:59
critical_events.h
MINBYTE
#define MINBYTE
Minimum unsigned byte value.
Definition definitions.h:103
MINCHAR
#define MINCHAR
Minimum byte-based character value.
Definition definitions.h:95
MAXBYTE
#define MAXBYTE
Maximum unsigned byte value.
Definition definitions.h:99
MAXINT16
#define MAXINT16
Maximum 32-bit integer value.
Definition definitions.h:83
MAXCHAR
#define MAXCHAR
Maximum byte-based character value.
Definition definitions.h:91
MAXINT32
#define MAXINT32
Maximum 32-bit integer value.
Definition definitions.h:75
MININT16
#define MININT16
Minimum 32-bit integer value.
Definition definitions.h:87
MININT32
#define MININT32
Minimum 32-bit integer value.
Definition definitions.h:79
double_plus.h
DEFINE_CLASS_NAME
#define DEFINE_CLASS_NAME(objname)
Defines the name of a class by providing a couple standard methods.
Definition enhance_cpp.h:42
FUNCDEF
#define FUNCDEF(func_in)
FUNCDEF sets the name of a function (and plugs it into the callstack).
Definition enhance_cpp.h:54
hoople_main.h
Provides macros that implement the 'main' program of an application.
HOOPLE_MAIN
#define HOOPLE_MAIN(obj_name, obj_args)
options that should work for most unix and linux apps.
Definition hoople_main.h:61
application
Implements an application lock to ensure only one is running at once.
Definition application_shell.cpp:40
basis
The guards collection helps in testing preconditions and reporting errors.
Definition array.h:30
basis::abyte
unsigned char abyte
A fairly important unit which is seldom defined...
Definition definitions.h:51
basis::attach
void attach(byte_array &packed_form, const char *to_attach)
Packs a character string "to_attach" into "packed_form".
Definition astring.cpp:1018
basis::un_int
unsigned int un_int
Abbreviated name for unsigned integers.
Definition definitions.h:62
basis::detach
bool detach(byte_array &packed_form, astring &to_detach)
Unpacks a character string "to_attach" from "packed_form".
Definition astring.cpp:1026
basis::un_short
unsigned short un_short
Abbreviated name for unsigned short integers.
Definition definitions.h:64
loggers
A logger that sends to the console screen using the standard output device.
Definition combo_logger.cpp:36
mathematics
An extension to floating point primitives providing approximate equality.
Definition averager.h:21
structures
A dynamic container class that holds any kind of object via pointers.
Definition amorph.h:55
unit_test
Useful support functions for unit testing, especially within hoople.
Definition unit_base.cpp:35
static_memory_gremlin.h
randomizer
#define randomizer()
Definition test_bin_threaded.cpp:159
GENERATE_TEST_NAME
#define GENERATE_TEST_NAME(group, message)
Definition test_packing.cpp:33
TRY_ON_F
#define TRY_ON_F(type, value, group)
Definition test_packing.cpp:62
TRY_ON
#define TRY_ON(type, value, group)
Definition test_packing.cpp:36
TEST
#define TEST
TRY_ON_OBSCURE
#define TRY_ON_OBSCURE(type, value, group)
Definition test_packing.cpp:49
unit_base.h
ASSERT_EQUAL
#define ASSERT_EQUAL(a, b, test_name)
Definition unit_base.h:38
ASSERT_TRUE
#define ASSERT_TRUE(a, test_name)
Definition unit_base.h:46
ASSERT_FALSE
#define ASSERT_FALSE(a, test_name)
Definition unit_base.h:50