| 1 | /* |
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| 2 | * Copyright 2018 Sven Verdoolaege |
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| 3 | * |
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| 4 | * Use of this software is governed by the MIT license |
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| 5 | * |
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| 6 | * Written by Sven Verdoolaege. |
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| 7 | */ |
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| 8 | |
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| 9 | #include <stdlib.h> |
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| 10 | |
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| 11 | #include <isl/ctx.h> |
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| 12 | #include <isl/options.h> |
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| 13 | #include <isl/cpp-checked-conversion.h> |
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| 14 | |
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| 15 | /* Check that converting a NULL object from the checked C++ bindings |
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| 16 | * (where the user is expected to check for NULL return values) |
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| 17 | * to the default C++ bindings (where exceptions are raised |
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| 18 | * instead of returning a NULL object) raises an exception. |
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| 19 | */ |
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| 20 | static void check_conversion_null(isl_ctx *ctx) |
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| 21 | { |
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| 22 | isl::checked::set checked_set; |
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| 23 | isl::set set; |
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| 24 | |
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| 25 | bool caught = false; |
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| 26 | try { |
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| 27 | set = isl::uncheck(checked_set); |
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| 28 | isl_die(ctx, isl_error_unknown, "no exception raised" , return); |
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| 29 | } catch (const isl::exception &e) { |
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| 30 | caught = true; |
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| 31 | } |
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| 32 | if (!caught) |
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| 33 | isl_die(ctx, isl_error_unknown, "no exception raised" , return); |
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| 34 | } |
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| 35 | |
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| 36 | /* Dummy function on a set in the checked C++ bindings. |
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| 37 | */ |
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| 38 | static void f_checked(isl::checked::set set) |
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| 39 | { |
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| 40 | } |
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| 41 | |
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| 42 | /* Dummy function on a set in the default C++ bindings. |
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| 43 | */ |
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| 44 | static void f_unchecked(isl::set set) |
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| 45 | { |
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| 46 | } |
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| 47 | |
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| 48 | /* Check the conversion between C++ bindings in function calls. |
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| 49 | * An incorrect call will result in a compiler error. |
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| 50 | */ |
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| 51 | static void check_conversion_call(isl_ctx *ctx) |
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| 52 | { |
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| 53 | isl::set set(ctx, "{ S[i] : 0 <= i < 10 }" ); |
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| 54 | isl::checked::set checked_set(ctx, "{ S[i] : 0 <= i < 10 }" ); |
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| 55 | |
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| 56 | f_unchecked(set); |
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| 57 | f_checked(isl::check(set)); |
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| 58 | f_unchecked(isl::uncheck(checked_set)); |
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| 59 | f_checked(checked_set); |
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| 60 | } |
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| 61 | |
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| 62 | /* Check that a double conversion results in the original set, |
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| 63 | * or at least something that is equal to the original set. |
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| 64 | */ |
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| 65 | static void check_conversion_equal(isl_ctx *ctx) |
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| 66 | { |
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| 67 | isl::set set(ctx, "{ S[i] : 0 <= i < 10 }" ); |
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| 68 | isl::set set2; |
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| 69 | isl::checked::set checked_set; |
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| 70 | |
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| 71 | checked_set = isl::check(set); |
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| 72 | set2 = isl::uncheck(checked_set); |
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| 73 | |
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| 74 | if (!set.is_equal(set2)) |
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| 75 | isl_die(ctx, isl_error_unknown, "bad conversion" , return); |
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| 76 | } |
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| 77 | |
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| 78 | /* Perform some tests on the conversion between the default C++ bindings and |
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| 79 | * the checked C++ bindings. |
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| 80 | */ |
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| 81 | static void check_conversion(isl_ctx *ctx) |
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| 82 | { |
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| 83 | check_conversion_null(ctx); |
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| 84 | check_conversion_call(ctx); |
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| 85 | check_conversion_equal(ctx); |
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| 86 | } |
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| 87 | |
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| 88 | int main() |
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| 89 | { |
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| 90 | isl_ctx *ctx = isl_ctx_alloc(); |
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| 91 | |
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| 92 | isl_options_set_on_error(ctx, ISL_ON_ERROR_ABORT); |
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| 93 | |
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| 94 | check_conversion(ctx); |
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| 95 | |
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| 96 | isl_ctx_free(ctx); |
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| 97 | |
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| 98 | return EXIT_SUCCESS; |
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| 99 | } |
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| 100 | |
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