isl_test_cpp-checked.cc

   1 /* Copyright 2016-2017 Tobias Grosser
   2  *
   3  * Use of this software is governed by the MIT license
   4  *
   5  * Written by Tobias Grosser, Weststrasse 47, CH-8003, Zurich
   6  */
   7
   8 #include <vector>
   9 #include <string>
  10 #include <limits.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13
  14 #include <isl/options.h>
  15 #include <isl/cpp-checked.h>
  16
  17 static void assert_impl(bool condition, const char *file, int line,
  18         const char *message)
  19 {
  20         if (condition)
  21                 return;
  22
  23         fprintf(stderr, "Assertion failed in %s:%d %s\n", file, line, message);
  24         exit(EXIT_FAILURE);
  25 }
  26
  27 static void assert_impl(isl::boolean condition, const char *file, int line,
  28         const char *message)
  29 {
  30         assert_impl(bool(condition), file, line, message);
  31 }
  32
  33 #define assert(exp) assert_impl(exp, __FILE__, __LINE__, #exp)
  34
  35 #include "isl_test_cpp-generic.cc"
  36
  37 /* Test that isl_bool values are returned correctly.
  38  *
  39  * We check in detail the following parts of the isl::boolean class:
  40  *  - The is_true, is_false, and is_error functions return true in case they
  41  *    are called on a true, false, or error instance of isl::boolean,
  42  *    respectively
  43  *  - Explicit conversion to 'bool'
  44  *  - Implicit conversion to 'bool'
  45  *  - The complement operator
  46  *  - Explicit construction from 'true' and 'false'
  47  *  - Explicit construction form isl_bool
  48  */
  49 void test_return_bool(isl::ctx ctx)
  50 {
  51         isl::set empty(ctx, "{ : false }");
  52         isl::set univ(ctx, "{ : }");
  53         isl::set null;
  54
  55         isl::boolean b_true = empty.is_empty();
  56         isl::boolean b_false = univ.is_empty();
  57         isl::boolean b_error = null.is_empty();
  58
  59         assert(b_true.is_true());
  60         assert(!b_true.is_false());
  61         assert(!b_true.is_error());
  62
  63         assert(!b_false.is_true());
  64         assert(b_false.is_false());
  65         assert(!b_false.is_error());
  66
  67         assert(!b_error.is_true());
  68         assert(!b_error.is_false());
  69         assert(b_error.is_error());
  70
  71         assert(bool(b_true) == true);
  72         assert(bool(b_false) == false);
  73
  74         assert(b_true);
  75
  76         assert((!b_false).is_true());
  77         assert((!b_true).is_false());
  78         assert((!b_error).is_error());
  79
  80         assert(isl::boolean(true).is_true());
  81         assert(!isl::boolean(true).is_false());
  82         assert(!isl::boolean(true).is_error());
  83
  84         assert(isl::boolean(false).is_false());
  85         assert(!isl::boolean(false).is_true());
  86         assert(!isl::boolean(false).is_error());
  87
  88         assert(isl::manage(isl_bool_true).is_true());
  89         assert(!isl::manage(isl_bool_true).is_false());
  90         assert(!isl::manage(isl_bool_true).is_error());
  91
  92         assert(isl::manage(isl_bool_false).is_false());
  93         assert(!isl::manage(isl_bool_false).is_true());
  94         assert(!isl::manage(isl_bool_false).is_error());
  95
  96         assert(isl::manage(isl_bool_error).is_error());
  97         assert(!isl::manage(isl_bool_error).is_true());
  98         assert(!isl::manage(isl_bool_error).is_false());
  99 }
 100
 101 /* Test that return values are handled correctly.
 102  *
 103  * Test that isl C++ objects, integers, boolean values, and strings are
 104  * returned correctly.
 105  */
 106 void test_return(isl::ctx ctx)
 107 {
 108         test_return_obj(ctx);
 109         test_return_int(ctx);
 110         test_return_bool(ctx);
 111         test_return_string(ctx);
 112 }
 113
 114 /* Test that foreach functions are modeled correctly.
 115  *
 116  * Verify that lambdas are correctly called as callback of a 'foreach'
 117  * function and that variables captured by the lambda work correctly. Also
 118  * check that the foreach function takes account of the return value of the
 119  * lambda and aborts in case isl::stat::error is returned and then returns
 120  * isl::stat::error itself.
 121  */
 122 void test_foreach(isl::ctx ctx)
 123 {
 124         isl::set s(ctx, "{ [0]; [1]; [2] }");
 125
 126         std::vector<isl::basic_set> basic_sets;
 127
 128         auto add_to_vector = [&] (isl::basic_set bs) {
 129                 basic_sets.push_back(bs);
 130                 return isl::stat::ok;
 131         };
 132
 133         isl::stat ret1 = s.foreach_basic_set(add_to_vector);
 134
 135         assert(ret1 == isl::stat::ok);
 136         assert(basic_sets.size() == 3);
 137         assert(isl::set(basic_sets[0]).is_subset(s));
 138         assert(isl::set(basic_sets[1]).is_subset(s));
 139         assert(isl::set(basic_sets[2]).is_subset(s));
 140         assert(!basic_sets[0].is_equal(basic_sets[1]));
 141
 142         auto fail = [&] (isl::basic_set bs) {
 143                 return isl::stat::error;
 144         };
 145
 146         isl::stat ret2 = s.foreach_basic_set(fail);
 147
 148         assert(ret2 == isl::stat::error);
 149 }
 150
 151 /* Test the isl checked C++ interface
 152  *
 153  * This includes:
 154  *  - The isl C <-> C++ pointer interface
 155  *  - Object construction
 156  *  - Different parameter types
 157  *  - Different return types
 158  *  - Foreach functions
 159  */
 160 int main()
 161 {
 162         isl_ctx *ctx = isl_ctx_alloc();
 163
 164         isl_options_set_on_error(ctx, ISL_ON_ERROR_ABORT);
 165
 166         test_pointer(ctx);
 167         test_constructors(ctx);
 168         test_parameters(ctx);
 169         test_return(ctx);
 170         test_foreach(ctx);
 171
 172         isl_ctx_free(ctx);
 173 }