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 namespace isl { using namespace checked; }
  18
  19 static void assert_impl(bool condition, const char *file, int line,
  20         const char *message)
  21 {
  22         if (condition)
  23                 return;
  24
  25         fprintf(stderr, "Assertion failed in %s:%d %s\n", file, line, message);
  26         exit(EXIT_FAILURE);
  27 }
  28
  29 static void assert_impl(isl::boolean condition, const char *file, int line,
  30         const char *message)
  31 {
  32         assert_impl(bool(condition), file, line, message);
  33 }
  34
  35 /* Return the value encapsulated by "s".
  36  */
  37 static int size_val(isl::size s)
  38 {
  39         return s.is_error() ? -1 : unsigned(s);
  40 }
  41
  42 #define assert(exp) assert_impl(exp, __FILE__, __LINE__, #exp)
  43 #define IS_TRUE(b)      (b).is_true()
  44 #define SIZE_VAL(s)     size_val(s)
  45
  46 #include "isl_test_cpp-generic.cc"
  47
  48 /* Test that isl_bool values are returned correctly.
  49  *
  50  * We check in detail the following parts of the isl::boolean class:
  51  *  - The is_true, is_false, and is_error functions return true in case they
  52  *    are called on a true, false, or error instance of isl::boolean,
  53  *    respectively
  54  *  - Explicit conversion to 'bool'
  55  *  - Implicit conversion to 'bool'
  56  *  - The complement operator
  57  *  - Explicit construction from 'true' and 'false'
  58  *  - Explicit construction form isl_bool
  59  */
  60 void test_return_bool(isl::ctx ctx)
  61 {
  62         isl::set empty(ctx, "{ : false }");
  63         isl::set univ(ctx, "{ : }");
  64         isl::set null;
  65
  66         isl::boolean b_true = empty.is_empty();
  67         isl::boolean b_false = univ.is_empty();
  68         isl::boolean b_error = null.is_empty();
  69
  70         assert(b_true.is_true());
  71         assert(!b_true.is_false());
  72         assert(!b_true.is_error());
  73
  74         assert(!b_false.is_true());
  75         assert(b_false.is_false());
  76         assert(!b_false.is_error());
  77
  78         assert(!b_error.is_true());
  79         assert(!b_error.is_false());
  80         assert(b_error.is_error());
  81
  82         assert(bool(b_true) == true);
  83         assert(bool(b_false) == false);
  84
  85         assert(b_true);
  86
  87         assert((!b_false).is_true());
  88         assert((!b_true).is_false());
  89         assert((!b_error).is_error());
  90
  91         assert(isl::boolean(true).is_true());
  92         assert(!isl::boolean(true).is_false());
  93         assert(!isl::boolean(true).is_error());
  94
  95         assert(isl::boolean(false).is_false());
  96         assert(!isl::boolean(false).is_true());
  97         assert(!isl::boolean(false).is_error());
  98
  99         assert(isl::manage(isl_bool_true).is_true());
 100         assert(!isl::manage(isl_bool_true).is_false());
 101         assert(!isl::manage(isl_bool_true).is_error());
 102
 103         assert(isl::manage(isl_bool_false).is_false());
 104         assert(!isl::manage(isl_bool_false).is_true());
 105         assert(!isl::manage(isl_bool_false).is_error());
 106
 107         assert(isl::manage(isl_bool_error).is_error());
 108         assert(!isl::manage(isl_bool_error).is_true());
 109         assert(!isl::manage(isl_bool_error).is_false());
 110 }
 111
 112 /* Test that return values are handled correctly.
 113  *
 114  * Test that isl C++ objects, integers, boolean values, and strings are
 115  * returned correctly.
 116  */
 117 void test_return(isl::ctx ctx)
 118 {
 119         test_return_obj(ctx);
 120         test_return_int(ctx);
 121         test_return_bool(ctx);
 122         test_return_string(ctx);
 123 }
 124
 125 /* Test that foreach functions are modeled correctly.
 126  *
 127  * Verify that lambdas are correctly called as callback of a 'foreach'
 128  * function and that variables captured by the lambda work correctly. Also
 129  * check that the foreach function takes account of the return value of the
 130  * lambda and aborts in case isl::stat::error is returned and then returns
 131  * isl::stat::error itself.
 132  */
 133 void test_foreach(isl::ctx ctx)
 134 {
 135         isl::set s(ctx, "{ [0]; [1]; [2] }");
 136
 137         std::vector<isl::basic_set> basic_sets;
 138
 139         auto add_to_vector = [&] (isl::basic_set bs) {
 140                 basic_sets.push_back(bs);
 141                 return isl::stat::ok();
 142         };
 143
 144         isl::stat ret1 = s.foreach_basic_set(add_to_vector);
 145
 146         assert(ret1.is_ok());
 147         assert(basic_sets.size() == 3);
 148         assert(isl::set(basic_sets[0]).is_subset(s).is_true());
 149         assert(isl::set(basic_sets[1]).is_subset(s).is_true());
 150         assert(isl::set(basic_sets[2]).is_subset(s).is_true());
 151         assert(!basic_sets[0].is_equal(basic_sets[1]).is_true());
 152
 153         auto fail = [&] (isl::basic_set bs) {
 154                 return isl::stat::error();
 155         };
 156
 157         isl::stat ret2 = s.foreach_basic_set(fail);
 158
 159         assert(ret2.is_error());
 160 }
 161
 162 /* Test the functionality of "every" functions.
 163  *
 164  * In particular, test the generic functionality and
 165  * test that error conditions are properly propagated.
 166  */
 167 static void test_every(isl::ctx ctx)
 168 {
 169         isl::union_set us(ctx, "{ A[i]; B[j] }");
 170
 171         test_every_generic(ctx);
 172
 173         auto fail = [] (isl::set s){
 174                 return isl::boolean::error();
 175         };
 176         assert(us.every_set(fail).is_error());
 177 }
 178
 179 /* Test basic schedule tree functionality.
 180  *
 181  * In particular, create a simple schedule tree and
 182  * - perform some generic tests
 183  * - test map_descendant_bottom_up in the failing case
 184  * - test foreach_descendant_top_down
 185  * - test every_descendant
 186  */
 187 static void test_schedule_tree(isl::ctx ctx)
 188 {
 189         auto root = test_schedule_tree_generic(ctx);
 190
 191         auto fail_map = [](isl::schedule_node node) {
 192                 return isl::schedule_node();
 193         };
 194         assert(root.map_descendant_bottom_up(fail_map).is_null());
 195
 196         int count = 0;
 197         auto inc_count = [&count](isl::schedule_node node) {
 198                 count++;
 199                 return isl::boolean(true);
 200         };
 201         assert(root.foreach_descendant_top_down(inc_count).is_ok());
 202         assert(count == 8);
 203
 204         count = 0;
 205         auto inc_count_once = [&count](isl::schedule_node node) {
 206                 count++;
 207                 return isl::boolean(false);
 208         };
 209         assert(root.foreach_descendant_top_down(inc_count_once).is_ok());
 210         assert(count == 1);
 211
 212         auto is_not_domain = [](isl::schedule_node node) {
 213                 return !node.isa<isl::schedule_node_domain>();
 214         };
 215         assert(root.child(0).every_descendant(is_not_domain).is_true());
 216         assert(root.every_descendant(is_not_domain).is_false());
 217
 218         auto fail = [](isl::schedule_node node) {
 219                 return isl::boolean();
 220         };
 221         assert(root.every_descendant(fail).is_error());
 222
 223         auto domain = root.as<isl::schedule_node_domain>().domain();
 224         auto filters = isl::union_set(ctx, "{}");
 225         auto collect_filters = [&filters](isl::schedule_node node) {
 226                 if (node.isa<isl::schedule_node_filter>().is_true()) {
 227                         auto filter = node.as<isl::schedule_node_filter>();
 228                         filters = filters.unite(filter.filter());
 229                 }
 230                 return isl::boolean(true);
 231         };
 232         assert(!root.every_descendant(collect_filters).is_error());
 233         assert(domain.is_equal(filters).is_true());
 234 }
 235
 236 /* Test basic AST generation from a schedule tree.
 237  *
 238  * In particular, create a simple schedule tree and
 239  * - perform some generic tests
 240  * - test at_each_domain in the failing case
 241  */
 242 static void test_ast_build(isl::ctx ctx)
 243 {
 244         auto schedule = test_ast_build_generic(ctx);
 245
 246         bool do_fail = true;
 247         int count_ast_fail = 0;
 248         auto fail_inc_count_ast =
 249             [&count_ast_fail, &do_fail](isl::ast_node node,
 250                                         isl::ast_build build) {
 251                 count_ast_fail++;
 252                 return do_fail ? isl::ast_node() : node;
 253         };
 254         auto build = isl::ast_build(ctx);
 255         build = build.set_at_each_domain(fail_inc_count_ast);
 256         auto ast = build.node_from(schedule);
 257         assert(ast.is_null());
 258         assert(count_ast_fail > 0);
 259         auto build_copy = build;
 260         int count_ast = 0;
 261         auto inc_count_ast =
 262             [&count_ast](isl::ast_node node, isl::ast_build build) {
 263                 count_ast++;
 264                 return node;
 265         };
 266         build_copy = build_copy.set_at_each_domain(inc_count_ast);
 267         ast = build_copy.node_from(schedule);
 268         assert(!ast.is_null());
 269         assert(count_ast == 2);
 270         count_ast_fail = 0;
 271         do_fail = false;
 272         ast = build.node_from(schedule);
 273         assert(!ast.is_null());
 274         assert(count_ast_fail == 2);
 275 }
 276
 277 /* Test the isl checked C++ interface
 278  *
 279  * This includes:
 280  *  - The isl C <-> C++ pointer interface
 281  *  - Object construction
 282  *  - Different parameter types
 283  *  - Different return types
 284  *  - Foreach functions
 285  *  - Every functions
 286  *  - Spaces
 287  *  - Schedule trees
 288  *  - AST generation
 289  *  - AST expression generation
 290  */
 291 int main()
 292 {
 293         isl_ctx *ctx = isl_ctx_alloc();
 294
 295         isl_options_set_on_error(ctx, ISL_ON_ERROR_ABORT);
 296
 297         test_pointer(ctx);
 298         test_constructors(ctx);
 299         test_parameters(ctx);
 300         test_return(ctx);
 301         test_foreach(ctx);
 302         test_every(ctx);
 303         test_space(ctx);
 304         test_schedule_tree(ctx);
 305         test_ast_build(ctx);
 306         test_ast_build_expr(ctx);
 307
 308         isl_ctx_free(ctx);
 309
 310         return EXIT_SUCCESS;
 311 }