1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
// PieceRotation.cpp
// Implements the tests for cPiece::cConnector::eDirection rotations
#include "Globals.h"
#include <exception>
#include <map>
#include "Generating/PiecePool.h"
static cPiece::cConnector::eDirection g_AllDirections[] =
{
cPiece::cConnector::dirXM,
cPiece::cConnector::dirXP,
cPiece::cConnector::dirYM,
cPiece::cConnector::dirYP,
cPiece::cConnector::dirZM,
cPiece::cConnector::dirZP,
cPiece::cConnector::dirYM_XM_ZM,
cPiece::cConnector::dirYM_XM_ZP,
cPiece::cConnector::dirYM_XP_ZM,
cPiece::cConnector::dirYM_XP_ZP,
cPiece::cConnector::dirYP_XM_ZM,
cPiece::cConnector::dirYP_XM_ZP,
cPiece::cConnector::dirYP_XP_ZM,
cPiece::cConnector::dirYP_XP_ZP,
};
class cTestFailure: public std::exception
{
public:
cTestFailure(const char * a_Expression, const char * a_FileName, const int a_Line):
std::exception(),
m_Expression(a_Expression),
m_FileName(a_FileName),
m_Line(a_Line)
{
}
const std::string m_Expression;
const std::string m_FileName;
const int m_Line;
};
#define EXPECT(X) \
do { \
if (!(X)) \
{ \
ASSERT(X); \
throw cTestFailure(#X, __FILE__, __LINE__); \
} \
} while (false)
/** Tests that rotating a direction in one way and then the opposite way produces the original direction. */
static void testBackAndForth()
{
for (size_t i = 0; i < ARRAYCOUNT(g_AllDirections); ++i)
{
auto rotated = cPiece::cConnector::RotateDirectionCW(g_AllDirections[i]);
auto back = cPiece::cConnector::RotateDirectionCCW(rotated);
EXPECT(back == g_AllDirections[i]);
}
for (size_t i = 0; i < ARRAYCOUNT(g_AllDirections); ++i)
{
auto rotated = cPiece::cConnector::RotateDirectionCCW(g_AllDirections[i]);
auto back = cPiece::cConnector::RotateDirectionCW(rotated);
EXPECT(back == g_AllDirections[i]);
}
}
/** Tests rotating the direction 360 degrees. */
static void testFullRotation()
{
// Rotate 90 degrees CCW four times:
for (size_t i = 0; i < ARRAYCOUNT(g_AllDirections); ++i)
{
auto d = g_AllDirections[i];
for (int j = 0; j < 4; ++j)
{
d = cPiece::cConnector::RotateDirectionCCW(d);
}
EXPECT(d == g_AllDirections[i]);
}
// Rotate 90 degrees CW four times:
for (size_t i = 0; i < ARRAYCOUNT(g_AllDirections); ++i)
{
auto d = g_AllDirections[i];
for (int j = 0; j < 4; ++j)
{
d = cPiece::cConnector::RotateDirectionCW(d);
}
EXPECT(d == g_AllDirections[i]);
}
// Rotate 180 degrees twice:
for (size_t i = 0; i < ARRAYCOUNT(g_AllDirections); ++i)
{
auto d = g_AllDirections[i];
d = cPiece::cConnector::RotateDirection(d);
d = cPiece::cConnector::RotateDirection(d);
EXPECT(d == g_AllDirections[i]);
}
}
/** Tests that no two values are rotated onto the same destination value. */
template <class Fn>
static void testPermutation(Fn & a_Fn)
{
std::map<cPiece::cConnector::eDirection, int> numDest;
for (size_t i = 0; i < ARRAYCOUNT(g_AllDirections); ++i)
{
auto d = a_Fn(g_AllDirections[i]);
EXPECT(numDest[d] == 0);
numDest[d] = 1;
}
}
int main(void)
{
LOG("PieceRotation test starting.");
try
{
testBackAndForth();
testFullRotation();
testPermutation(cPiece::cConnector::RotateDirection);
testPermutation(cPiece::cConnector::RotateDirectionCW);
testPermutation(cPiece::cConnector::RotateDirectionCCW);
}
catch (const cTestFailure & f)
{
LOGERROR("Test failed:\tExpression: %s\n\tFile: %s (%d)", f.m_Expression.c_str(), f.m_FileName.c_str(), f.m_Line);
return 1;
}
catch (const std::exception & exc)
{
LOGERROR("Exception caught: %s", exc.what());
return 2;
}
LOG("PieceRotation test succeeded.");
return 0;
}
|
