llvm-project/polly/lib/External/isl/isl_test_cpp-checked.cc

179 lines
4.5 KiB
C++

/* Copyright 2016-2017 Tobias Grosser
*
* Use of this software is governed by the MIT license
*
* Written by Tobias Grosser, Weststrasse 47, CH-8003, Zurich
*/
#include <vector>
#include <string>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <isl/options.h>
#include <isl/cpp-checked.h>
namespace isl { using namespace checked; }
static void assert_impl(bool condition, const char *file, int line,
const char *message)
{
if (condition)
return;
fprintf(stderr, "Assertion failed in %s:%d %s\n", file, line, message);
exit(EXIT_FAILURE);
}
static void assert_impl(isl::boolean condition, const char *file, int line,
const char *message)
{
assert_impl(bool(condition), file, line, message);
}
#define assert(exp) assert_impl(exp, __FILE__, __LINE__, #exp)
#define IS_TRUE(b) (b).is_true()
#include "isl_test_cpp-generic.cc"
/* Test that isl_bool values are returned correctly.
*
* We check in detail the following parts of the isl::boolean class:
* - The is_true, is_false, and is_error functions return true in case they
* are called on a true, false, or error instance of isl::boolean,
* respectively
* - Explicit conversion to 'bool'
* - Implicit conversion to 'bool'
* - The complement operator
* - Explicit construction from 'true' and 'false'
* - Explicit construction form isl_bool
*/
void test_return_bool(isl::ctx ctx)
{
isl::set empty(ctx, "{ : false }");
isl::set univ(ctx, "{ : }");
isl::set null;
isl::boolean b_true = empty.is_empty();
isl::boolean b_false = univ.is_empty();
isl::boolean b_error = null.is_empty();
assert(b_true.is_true());
assert(!b_true.is_false());
assert(!b_true.is_error());
assert(!b_false.is_true());
assert(b_false.is_false());
assert(!b_false.is_error());
assert(!b_error.is_true());
assert(!b_error.is_false());
assert(b_error.is_error());
assert(bool(b_true) == true);
assert(bool(b_false) == false);
assert(b_true);
assert((!b_false).is_true());
assert((!b_true).is_false());
assert((!b_error).is_error());
assert(isl::boolean(true).is_true());
assert(!isl::boolean(true).is_false());
assert(!isl::boolean(true).is_error());
assert(isl::boolean(false).is_false());
assert(!isl::boolean(false).is_true());
assert(!isl::boolean(false).is_error());
assert(isl::manage(isl_bool_true).is_true());
assert(!isl::manage(isl_bool_true).is_false());
assert(!isl::manage(isl_bool_true).is_error());
assert(isl::manage(isl_bool_false).is_false());
assert(!isl::manage(isl_bool_false).is_true());
assert(!isl::manage(isl_bool_false).is_error());
assert(isl::manage(isl_bool_error).is_error());
assert(!isl::manage(isl_bool_error).is_true());
assert(!isl::manage(isl_bool_error).is_false());
}
/* Test that return values are handled correctly.
*
* Test that isl C++ objects, integers, boolean values, and strings are
* returned correctly.
*/
void test_return(isl::ctx ctx)
{
test_return_obj(ctx);
test_return_int(ctx);
test_return_bool(ctx);
test_return_string(ctx);
}
/* Test that foreach functions are modeled correctly.
*
* Verify that lambdas are correctly called as callback of a 'foreach'
* function and that variables captured by the lambda work correctly. Also
* check that the foreach function takes account of the return value of the
* lambda and aborts in case isl::stat::error is returned and then returns
* isl::stat::error itself.
*/
void test_foreach(isl::ctx ctx)
{
isl::set s(ctx, "{ [0]; [1]; [2] }");
std::vector<isl::basic_set> basic_sets;
auto add_to_vector = [&] (isl::basic_set bs) {
basic_sets.push_back(bs);
return isl::stat::ok();
};
isl::stat ret1 = s.foreach_basic_set(add_to_vector);
assert(ret1.is_ok());
assert(basic_sets.size() == 3);
assert(isl::set(basic_sets[0]).is_subset(s).is_true());
assert(isl::set(basic_sets[1]).is_subset(s).is_true());
assert(isl::set(basic_sets[2]).is_subset(s).is_true());
assert(!basic_sets[0].is_equal(basic_sets[1]).is_true());
auto fail = [&] (isl::basic_set bs) {
return isl::stat::error();
};
isl::stat ret2 = s.foreach_basic_set(fail);
assert(ret2.is_error());
}
/* Test the isl checked C++ interface
*
* This includes:
* - The isl C <-> C++ pointer interface
* - Object construction
* - Different parameter types
* - Different return types
* - Foreach functions
*/
int main()
{
isl_ctx *ctx = isl_ctx_alloc();
isl_options_set_on_error(ctx, ISL_ON_ERROR_ABORT);
test_pointer(ctx);
test_constructors(ctx);
test_parameters(ctx);
test_return(ctx);
test_foreach(ctx);
isl_ctx_free(ctx);
return EXIT_SUCCESS;
}