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annotate enigma/tests/test_plugboard.t.h @ 13:b9d124a15926

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To improve cache performance, the enigma machine rotors are now stored together with the reflector in a vector.
author Brian Neal <bgneal@gmail.com>
date Mon, 02 Jul 2012 19:14:36 -0500
parents 232dbe7a3fe0
children
rev   line source
bgneal@3 1 // Copyright (C) 2012 by Brian Neal.
bgneal@3 2 // This file is part of Cpp-Enigma, the Enigma Machine simulation.
bgneal@3 3 // Cpp-Enigma is released under the MIT License (see License.txt).
bgneal@3 4 //
bgneal@3 5 // test_plugboard.t.h - Unit tests for the plugboard class.
bgneal@3 6
bgneal@9 7 #include <algorithm>
bgneal@3 8 #include <cxxtest/TestSuite.h>
bgneal@3 9 #include "plugboard.h"
bgneal@3 10
bgneal@3 11 using namespace enigma;
bgneal@3 12
bgneal@3 13
bgneal@3 14 class plugboard_test_suite : public CxxTest::TestSuite
bgneal@3 15 {
bgneal@3 16 public:
bgneal@3 17
bgneal@3 18 void test_bad_settings()
bgneal@3 19 {
bgneal@3 20 // too many
bgneal@3 21 TS_ASSERT_THROWS(plugboard("AB CD EF GH IJ KL MN OP QR ST UV"), plugboard_error);
bgneal@3 22 TS_ASSERT_THROWS(plugboard("18/26 17/4 21/6 3/16 19/14 22/7 8/1 12/25 5/9 10/15 2/20"),
bgneal@3 23 plugboard_error);
bgneal@3 24
bgneal@3 25 // duplicate
bgneal@3 26 TS_ASSERT_THROWS(plugboard("AB CD EF GH IJ KL MN OF QR ST"), plugboard_error);
bgneal@3 27 TS_ASSERT_THROWS(plugboard("AB CD EF GH IJ KL MN FP QR ST"), plugboard_error);
bgneal@3 28 TS_ASSERT_THROWS(plugboard("18/26 17/4 21/6 3/16 19/14 22/3 8/1 12/25"), plugboard_error);
bgneal@3 29
bgneal@3 30 // invalid
bgneal@3 31 TS_ASSERT_THROWS(plugboard("A2 CD EF GH IJ KL MN FP QR ST"), plugboard_error);
bgneal@3 32 TS_ASSERT_THROWS(plugboard("AB CD EF *H IJ KL MN FP QR ST"), plugboard_error);
bgneal@3 33 TS_ASSERT_THROWS(plugboard("ABCD EF GH IJKLMN OP"), plugboard_error);
bgneal@3 34 TS_ASSERT_THROWS(plugboard("A-D EF GH OP"), plugboard_error);
bgneal@3 35 TS_ASSERT_THROWS(plugboard("A"), plugboard_error);
bgneal@3 36 TS_ASSERT_THROWS(plugboard("9"), plugboard_error);
bgneal@3 37 TS_ASSERT_THROWS(plugboard("1*/26 17/4 21/6 3/16 19/14 22/3 8/1 12/25"), plugboard_error);
bgneal@3 38 TS_ASSERT_THROWS(plugboard("18/26 17/4 2A/6 3/16 19/14 22/3 8/1 12/25"), plugboard_error);
bgneal@3 39 TS_ASSERT_THROWS(plugboard("100/2"), plugboard_error);
bgneal@3 40 TS_ASSERT_THROWS(plugboard("T/C"), plugboard_error);
bgneal@3 41 }
bgneal@3 42
bgneal@3 43 void test_valid_settings()
bgneal@3 44 {
bgneal@3 45 TS_ASSERT_THROWS_NOTHING(plugboard{});
bgneal@3 46 TS_ASSERT_THROWS_NOTHING(plugboard{""});
bgneal@3 47 TS_ASSERT_THROWS_NOTHING(plugboard(plugboard::pair_vector{}));
bgneal@3 48 TS_ASSERT_THROWS_NOTHING(plugboard{"AB CD EF GH IJ KL MN OP QR ST"});
bgneal@3 49 TS_ASSERT_THROWS_NOTHING(plugboard{"CD EF GH IJ KL MN OP QR ST"});
bgneal@3 50 TS_ASSERT_THROWS_NOTHING(plugboard{"EF GH IJ KL MN OP QR ST"});
bgneal@3 51 TS_ASSERT_THROWS_NOTHING(plugboard{" GH "});
bgneal@3 52 TS_ASSERT_THROWS_NOTHING(plugboard{"18/26 17/4 21/6 3/16 19/14 22/7 8/1 12/25 5/9 10/15"});
bgneal@3 53 TS_ASSERT_THROWS_NOTHING(plugboard{"18/26 17/4"});
bgneal@3 54 TS_ASSERT_THROWS_NOTHING(plugboard{" 18/26 "});
bgneal@3 55 }
bgneal@3 56
bgneal@3 57 void test_default_wiring()
bgneal@3 58 {
bgneal@3 59 plugboard p;
bgneal@3 60 for (int i = 0; i < 26; ++i)
bgneal@3 61 {
bgneal@3 62 TS_ASSERT_EQUALS(i, p.signal(i));
bgneal@3 63 }
bgneal@3 64 }
bgneal@3 65
bgneal@3 66 void test_wiring()
bgneal@3 67 {
bgneal@3 68 std::vector<std::string> settings{"AB CD EF GH IJ KL MN OP QR ST",
bgneal@3 69 "1/2 3/4 5/6 7/8 9/10 11/12 13/14 15/16 17/18 19/20"};
bgneal@3 70
bgneal@3 71 for (const auto& setting : settings)
bgneal@3 72 {
bgneal@3 73 plugboard p{setting};
bgneal@3 74 for (int n = 0; n < 26; ++n)
bgneal@3 75 {
bgneal@3 76 if (n < 20)
bgneal@3 77 {
bgneal@3 78 if (n % 2 == 0)
bgneal@3 79 {
bgneal@3 80 TS_ASSERT_EQUALS(p.signal(n), n + 1);
bgneal@3 81 }
bgneal@3 82 else
bgneal@3 83 {
bgneal@3 84 TS_ASSERT_EQUALS(p.signal(n), n - 1);
bgneal@3 85 }
bgneal@3 86 }
bgneal@3 87 else
bgneal@3 88 {
bgneal@3 89 TS_ASSERT_EQUALS(p.signal(n), n);
bgneal@3 90 }
bgneal@3 91 }
bgneal@3 92 }
bgneal@3 93 }
bgneal@3 94
bgneal@3 95 void test_wiring2()
bgneal@3 96 {
bgneal@3 97 std::string stecker{"AV BS CG DL FU HZ IN KM OW RX"};
bgneal@3 98 plugboard p{stecker};
bgneal@3 99 plugboard::pair_vector pairs{p.get_pairs()};
bgneal@3 100
bgneal@3 101 plugboard::pair_vector expected_pairs{
bgneal@3 102 {0, 21}, {1, 18}, {2, 6}, {3, 11}, {5, 20},
bgneal@3 103 {7, 25}, {8, 13}, {10, 12}, {14, 22}, {17, 23}
bgneal@3 104 };
bgneal@3 105
bgneal@3 106 TS_ASSERT_EQUALS(expected_pairs, pairs);
bgneal@3 107
bgneal@3 108 std::map<int, int> wiring;
bgneal@3 109 for (const auto& p : pairs)
bgneal@3 110 {
bgneal@3 111 wiring.insert(p);
bgneal@3 112 wiring.insert(std::make_pair(p.second, p.first));
bgneal@3 113 }
bgneal@3 114
bgneal@3 115 for (int n = 0; n < 26; ++n)
bgneal@3 116 {
bgneal@3 117 auto iter = wiring.find(n);
bgneal@3 118 if (iter != wiring.end())
bgneal@3 119 {
bgneal@3 120 TS_ASSERT_EQUALS(p.signal(n), iter->second);
bgneal@3 121 }
bgneal@3 122 else
bgneal@3 123 {
bgneal@3 124 TS_ASSERT_EQUALS(p.signal(n), n);
bgneal@3 125 }
bgneal@3 126 }
bgneal@3 127 }
bgneal@3 128
bgneal@3 129 void test_army_str()
bgneal@3 130 {
bgneal@3 131 std::string stecker{"AB CD EF GH IJ KL MN OP QR ST"};
bgneal@3 132 plugboard p{stecker};
bgneal@3 133 TS_ASSERT_EQUALS(stecker, p.army_str());
bgneal@3 134 }
bgneal@3 135
bgneal@3 136 void test_navy_str()
bgneal@3 137 {
bgneal@3 138 std::string stecker{"1/2 3/4 5/6 7/8 9/10 11/12 13/14 15/16 17/18 19/20"};
bgneal@3 139 plugboard p{stecker};
bgneal@3 140 TS_ASSERT_EQUALS(stecker, p.navy_str());
bgneal@3 141 }
bgneal@9 142
bgneal@9 143 void test_get_wiring()
bgneal@9 144 {
bgneal@9 145 plugboard pb;
bgneal@13 146 auto w(pb.get_wiring());
bgneal@9 147
bgneal@9 148 for (int i = 0; i < 26; ++i)
bgneal@9 149 {
bgneal@9 150 TS_ASSERT_EQUALS(w[i], i);
bgneal@9 151 }
bgneal@9 152
bgneal@9 153 pb.connect(0, 1);
bgneal@9 154 pb.connect(8, 20);
bgneal@9 155 pb.connect(24, 25);
bgneal@9 156 for (int i = 0; i < 26; ++i)
bgneal@9 157 {
bgneal@9 158 w[i] = i;
bgneal@9 159 }
bgneal@9 160 std::swap(w[0], w[1]);
bgneal@9 161 std::swap(w[8], w[20]);
bgneal@9 162 std::swap(w[24], w[25]);
bgneal@9 163
bgneal@13 164 auto w1(pb.get_wiring());
bgneal@9 165 for (int i = 0; i < 26; ++i)
bgneal@9 166 {
bgneal@9 167 TS_ASSERT_EQUALS(w[i], w1[i]);
bgneal@9 168 }
bgneal@9 169 }
bgneal@9 170
bgneal@9 171 void test_set_wiring()
bgneal@9 172 {
bgneal@9 173 alpha_int_array w;
bgneal@9 174 for (int i = 0; i < 26; ++i)
bgneal@9 175 {
bgneal@9 176 w[i] = i;
bgneal@9 177 }
bgneal@9 178 std::swap(w[0], w[1]);
bgneal@9 179 std::swap(w[8], w[20]);
bgneal@9 180 std::swap(w[24], w[25]);
bgneal@9 181
bgneal@9 182 plugboard pb;
bgneal@9 183 pb.set_wiring(w);
bgneal@9 184
bgneal@13 185 auto w2 = pb.get_wiring();
bgneal@9 186 TS_ASSERT_EQUALS(w, w2);
bgneal@9 187 }
bgneal@9 188
bgneal@9 189 void test_is_wired()
bgneal@9 190 {
bgneal@9 191 plugboard pb;
bgneal@9 192 pb.connect(0, 25);
bgneal@9 193 pb.connect(4, 18);
bgneal@9 194 for (int i = 0; i < 26; ++i)
bgneal@9 195 {
bgneal@9 196 if (i == 0 || i == 25 || i == 4 || i == 18)
bgneal@9 197 {
bgneal@9 198 TS_ASSERT(pb.is_wired(i));
bgneal@9 199 }
bgneal@9 200 else
bgneal@9 201 {
bgneal@9 202 TS_ASSERT(!pb.is_wired(i));
bgneal@9 203 }
bgneal@9 204 }
bgneal@9 205 }
bgneal@9 206
bgneal@9 207 void test_is_free()
bgneal@9 208 {
bgneal@9 209 plugboard pb;
bgneal@9 210 pb.connect(0, 25);
bgneal@9 211 pb.connect(4, 18);
bgneal@9 212 for (int i = 0; i < 26; ++i)
bgneal@9 213 {
bgneal@9 214 if (i == 0 || i == 25 || i == 4 || i == 18)
bgneal@9 215 {
bgneal@9 216 TS_ASSERT(!pb.is_free(i));
bgneal@9 217 }
bgneal@9 218 else
bgneal@9 219 {
bgneal@9 220 TS_ASSERT(pb.is_free(i));
bgneal@9 221 }
bgneal@9 222 }
bgneal@9 223 }
bgneal@9 224
bgneal@9 225 void test_disconnect()
bgneal@9 226 {
bgneal@9 227 plugboard pb;
bgneal@9 228 pb.connect(0, 25);
bgneal@9 229 pb.connect(4, 18);
bgneal@9 230 pb.disconnect(0);
bgneal@9 231 pb.disconnect(18);
bgneal@9 232 for (int i = 0; i < 26; ++i)
bgneal@9 233 {
bgneal@9 234 TS_ASSERT(pb.is_free(i));
bgneal@9 235 }
bgneal@9 236 }
bgneal@9 237
bgneal@9 238 void test_disconnect2()
bgneal@9 239 {
bgneal@9 240 plugboard pb;
bgneal@9 241 for (int i = 0; i < 26; ++i)
bgneal@9 242 {
bgneal@9 243 pb.disconnect(i);
bgneal@9 244 }
bgneal@9 245 for (int i = 0; i < 26; ++i)
bgneal@9 246 {
bgneal@9 247 TS_ASSERT(pb.is_free(i));
bgneal@9 248 }
bgneal@9 249 }
bgneal@9 250
bgneal@9 251 void test_connect()
bgneal@9 252 {
bgneal@9 253 plugboard pb;
bgneal@9 254 pb.connect(2, 4);
bgneal@9 255 pb.connect(17, 20);
bgneal@9 256 for (int i = 0; i < 26; ++i)
bgneal@9 257 {
bgneal@9 258 if (i == 2 || i == 4 || i == 17 || i == 20)
bgneal@9 259 {
bgneal@9 260 TS_ASSERT(pb.is_wired(i));
bgneal@9 261 }
bgneal@9 262 else
bgneal@9 263 {
bgneal@9 264 TS_ASSERT(pb.is_free(i));
bgneal@9 265 }
bgneal@9 266 }
bgneal@9 267 pb.connect(20, 25);
bgneal@9 268 for (int i = 0; i < 26; ++i)
bgneal@9 269 {
bgneal@9 270 if (i == 2 || i == 4 || i == 25 || i == 20)
bgneal@9 271 {
bgneal@9 272 TS_ASSERT(pb.is_wired(i));
bgneal@9 273 }
bgneal@9 274 else
bgneal@9 275 {
bgneal@9 276 TS_ASSERT(pb.is_free(i));
bgneal@9 277 }
bgneal@9 278 }
bgneal@9 279 }
bgneal@9 280
bgneal@9 281 void test_is_connected()
bgneal@9 282 {
bgneal@9 283 plugboard pb;
bgneal@9 284 pb.connect(5, 7);
bgneal@9 285 pb.connect(1, 20);
bgneal@9 286 TS_ASSERT(pb.is_connected(5, 7));
bgneal@9 287 TS_ASSERT(pb.is_connected(1, 20));
bgneal@9 288
bgneal@9 289 for (int i = 0; i < 26; ++i)
bgneal@9 290 {
bgneal@9 291 if (i == 7)
bgneal@9 292 {
bgneal@9 293 TS_ASSERT(pb.is_connected(5, i));
bgneal@9 294 }
bgneal@9 295 else
bgneal@9 296 {
bgneal@9 297 TS_ASSERT(!pb.is_connected(5, i));
bgneal@9 298 }
bgneal@9 299 if (i == 1)
bgneal@9 300 {
bgneal@9 301 TS_ASSERT(pb.is_connected(20, i));
bgneal@9 302 }
bgneal@9 303 else
bgneal@9 304 {
bgneal@9 305 TS_ASSERT(!pb.is_connected(20, i));
bgneal@9 306 }
bgneal@9 307 }
bgneal@9 308 }
bgneal@9 309
bgneal@10 310 void test_unplug_all()
bgneal@10 311 {
bgneal@10 312 plugboard pb;
bgneal@10 313 pb.connect(5, 7);
bgneal@10 314 pb.connect(1, 20);
bgneal@10 315 pb.connect(18, 24);
bgneal@10 316 pb.unplug_all();
bgneal@10 317 for (int i = 0; i < 26; ++i)
bgneal@10 318 {
bgneal@10 319 TS_ASSERT(pb.is_free(i));
bgneal@10 320 }
bgneal@10 321 pb.unplug_all();
bgneal@10 322 for (int i = 0; i < 26; ++i)
bgneal@10 323 {
bgneal@10 324 TS_ASSERT(pb.is_free(i));
bgneal@10 325 }
bgneal@10 326 }
bgneal@10 327
bgneal@3 328 };