| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * Test program for using `finally.h' |
| 4 | * |
| 5 | * (c) 2023 Mark Wooding |
| 6 | */ |
| 7 | |
| 8 | /*----- Licensing notice --------------------------------------------------* |
| 9 | * |
| 10 | * This file is part of the `Finally' package. |
| 11 | * |
| 12 | * Finally is free software: you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU Library General Public License as published |
| 14 | * by the Free Software Foundation; either version 2 of the License, or |
| 15 | * (at your option) any later version. |
| 16 | * |
| 17 | * Finally is distributed in the hope that it will be useful, but WITHOUT |
| 18 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
| 20 | * License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU Library General Public |
| 23 | * License along with Finally. If not, write to the Free Software |
| 24 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| 25 | * USA. |
| 26 | */ |
| 27 | |
| 28 | /* Attention! |
| 29 | * |
| 30 | * This file is also compiled as C++, so we must be careful to keep it in the |
| 31 | * common subset of C and C++. Anything language-specific needs to be split |
| 32 | * off into its own separate source file. |
| 33 | */ |
| 34 | |
| 35 | /*----- Header files ------------------------------------------------------*/ |
| 36 | |
| 37 | #include <stdio.h> |
| 38 | |
| 39 | #define FINALLY_TOLERATE_BUG_CAPTURE_COPIES 1 |
| 40 | #include "finally.h" |
| 41 | #include "finally-test.h" |
| 42 | |
| 43 | /*----- Main code ---------------------------------------------------------*/ |
| 44 | |
| 45 | static int test_softball(void) |
| 46 | { |
| 47 | FINALLY({ STEP(1); }); |
| 48 | |
| 49 | STEP(0); |
| 50 | return (2); |
| 51 | } |
| 52 | |
| 53 | static int test_ordering(void) |
| 54 | { |
| 55 | FINALLY({ STEP(2); }); |
| 56 | FINALLY({ STEP(1); }); |
| 57 | |
| 58 | STEP(0); |
| 59 | |
| 60 | return (3); |
| 61 | } |
| 62 | |
| 63 | #ifndef FINALLY_BUG_CAPTURE_COPIES |
| 64 | static int test_capture(void) |
| 65 | { |
| 66 | int n = -1; FINALLY({ STEP(n); }); |
| 67 | |
| 68 | STEP(0); |
| 69 | n = 1; return (2); |
| 70 | } |
| 71 | #endif |
| 72 | |
| 73 | static int test_internal_block(void) |
| 74 | { |
| 75 | int i; |
| 76 | FINALLY({ STEP(10); }); |
| 77 | |
| 78 | for (i = 0; i < 5; i++) { |
| 79 | FINALLY({ STEP(2*i + 1); }); |
| 80 | STEP(2*i); |
| 81 | } |
| 82 | return (11); |
| 83 | } |
| 84 | |
| 85 | static int test_local_xfer(void) |
| 86 | { |
| 87 | int i, j; |
| 88 | |
| 89 | STEP(0); |
| 90 | |
| 91 | { FINALLY({ STEP(2); }); STEP(1); } |
| 92 | |
| 93 | do { |
| 94 | FINALLY({ STEP(4); }); |
| 95 | STEP(3); |
| 96 | if (secretly_true) break; |
| 97 | MISSTEP; |
| 98 | } while (0); |
| 99 | |
| 100 | for (i = 0; i < 5; i++) { |
| 101 | FINALLY({ |
| 102 | if (i == 3) STEP(46); |
| 103 | else STEP(12*i + 16); |
| 104 | }); |
| 105 | STEP(12*i + 5); |
| 106 | for (j = 0; j < 5; j++) { |
| 107 | FINALLY({ STEP(12*i + 2*j + 7); }); |
| 108 | if (i == 3 && j == 1) { STEP(44); goto escape; } |
| 109 | else if (j != 3) STEP(12*i + 2*j + 6); |
| 110 | else { FINALLY({ STEP(12*i + 2*j + 6); }); continue; } |
| 111 | } |
| 112 | } |
| 113 | escape: |
| 114 | STEP(47); |
| 115 | |
| 116 | return (48); |
| 117 | } |
| 118 | |
| 119 | #if defined(HAVE_FEXCEPTIONS) |
| 120 | void try_catch_filling(unsigned f) |
| 121 | { |
| 122 | int outstep = f&TCF_THROW ? 12 : 5; FINALLY({ STEP(outstep); }); |
| 123 | |
| 124 | if (f&TCF_THROW) STEP(10); |
| 125 | else STEP(2); |
| 126 | |
| 127 | try_catch_inner(f); |
| 128 | STEP(4); |
| 129 | } |
| 130 | |
| 131 | static int test_try_catch(void) |
| 132 | { |
| 133 | STEP(0); |
| 134 | try_catch_outer(0); |
| 135 | STEP(8); |
| 136 | try_catch_outer(TCF_THROW); |
| 137 | return (15); |
| 138 | } |
| 139 | #endif |
| 140 | |
| 141 | int main(void) |
| 142 | { |
| 143 | init_test(); |
| 144 | |
| 145 | #define RUNTEST(name) \ |
| 146 | do { begin_test(#name); STEP(test_##name()); end_test(); } while (0) |
| 147 | #define SKIPTEST(name, excuse) skip_test(#name, excuse) |
| 148 | |
| 149 | RUNTEST(softball); |
| 150 | RUNTEST(ordering); |
| 151 | RUNTEST(local_xfer); |
| 152 | #ifndef FINALLY_BUG_CAPTURE_COPIES |
| 153 | RUNTEST(capture); |
| 154 | #else |
| 155 | SKIPTEST(capture, "selected flavour captures copies"); |
| 156 | #endif |
| 157 | RUNTEST(internal_block); |
| 158 | #if defined(HAVE_FEXCEPTIONS) |
| 159 | RUNTEST(try_catch); |
| 160 | #else |
| 161 | SKIPTEST(try_catch, "no C++ compiler or no exception-handling support"); |
| 162 | #endif |
| 163 | |
| 164 | #undef RUNTEST |
| 165 | #undef SKIPTEST |
| 166 | |
| 167 | return (test_report()); |
| 168 | } |
| 169 | |
| 170 | /*----- That's all, folks -------------------------------------------------*/ |