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15 | 15 | #include <util/simplify_expr.h>
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16 | 16 | #include <util/std_types.h>
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17 | 17 |
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| 18 | + |
| 19 | + |
18 | 20 | SCENARIO("get_numeric_value_from_character",
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19 | 21 | "[core][solvers][refinement][string_constraint_generator_valueof]")
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20 | 22 | {
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21 |
| - typet char_type=unsignedbv_typet(16); |
22 |
| - typet int_type=signedbv_typet(32); |
| 23 | + const typet char_type_1=unsignedbv_typet(8); |
| 24 | + const typet char_type_2=unsignedbv_typet(16); |
| 25 | + const typet char_type_3=unsignedbv_typet(32); |
| 26 | + const typet int_type_1=signedbv_typet(8); |
| 27 | + const typet int_type_2=signedbv_typet(16); |
| 28 | + const typet int_type_3=signedbv_typet(32); |
| 29 | + const typet int_type_4=signedbv_typet(64); |
23 | 30 | symbol_tablet symtab;
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24 |
| - namespacet ns(symtab); |
25 |
| - |
26 |
| - REQUIRE(from_integer(0, int_type)==simplify_expr( |
27 |
| - get_numeric_value_from_character( |
28 |
| - from_integer('0', char_type), char_type, int_type), ns)); |
29 |
| - REQUIRE(from_integer(9, int_type)==simplify_expr( |
30 |
| - get_numeric_value_from_character( |
31 |
| - from_integer('9', char_type), |
32 |
| - char_type, int_type), ns)); |
33 |
| - REQUIRE(from_integer(10, int_type)==simplify_expr( |
34 |
| - get_numeric_value_from_character( |
35 |
| - from_integer('A', char_type), |
36 |
| - char_type, int_type), ns)); |
37 |
| - REQUIRE(from_integer(35, int_type)==simplify_expr( |
38 |
| - get_numeric_value_from_character( |
39 |
| - from_integer('z', char_type), |
40 |
| - char_type, int_type), ns)); |
| 31 | + const namespacet ns(symtab); |
| 32 | + |
| 33 | + WHEN("0") |
| 34 | + { |
| 35 | + mp_integer character='0'; |
| 36 | + mp_integer expected_value=0; |
| 37 | + const typet& char_type=char_type_1; |
| 38 | + const typet& int_type=int_type_1; |
| 39 | + constant_exprt expected_value_exprt=from_integer(expected_value, int_type); |
| 40 | + exprt actual_value_exprt=simplify_expr( |
| 41 | + get_numeric_value_from_character( |
| 42 | + from_integer(character, char_type), char_type, int_type), |
| 43 | + ns); |
| 44 | + REQUIRE(expected_value_exprt==actual_value_exprt); |
| 45 | + } |
| 46 | + WHEN("9") |
| 47 | + { |
| 48 | + mp_integer character='9'; |
| 49 | + mp_integer expected_value=9; |
| 50 | + const typet& char_type=char_type_2; |
| 51 | + const typet& int_type=int_type_2; |
| 52 | + constant_exprt expected_value_exprt=from_integer(expected_value, int_type); |
| 53 | + exprt actual_value_exprt=simplify_expr( |
| 54 | + get_numeric_value_from_character( |
| 55 | + from_integer(character, char_type), char_type, int_type), |
| 56 | + ns); |
| 57 | + REQUIRE(expected_value_exprt==actual_value_exprt); |
| 58 | + } |
| 59 | + WHEN("A") |
| 60 | + { |
| 61 | + mp_integer character='A'; |
| 62 | + mp_integer expected_value=10; |
| 63 | + const typet& char_type=char_type_3; |
| 64 | + const typet& int_type=int_type_3; |
| 65 | + constant_exprt expected_value_exprt=from_integer(expected_value, int_type); |
| 66 | + exprt actual_value_exprt=simplify_expr( |
| 67 | + get_numeric_value_from_character( |
| 68 | + from_integer(character, char_type), char_type, int_type), |
| 69 | + ns); |
| 70 | + REQUIRE(expected_value_exprt==actual_value_exprt); |
| 71 | + } |
| 72 | + WHEN("z") |
| 73 | + { |
| 74 | + mp_integer character='z'; |
| 75 | + mp_integer expected_value=35; |
| 76 | + const typet& char_type=char_type_1; |
| 77 | + const typet& int_type=int_type_4; |
| 78 | + constant_exprt expected_value_exprt=from_integer(expected_value, int_type); |
| 79 | + exprt actual_value_exprt=simplify_expr( |
| 80 | + get_numeric_value_from_character( |
| 81 | + from_integer(character, char_type), char_type, int_type), |
| 82 | + ns); |
| 83 | + REQUIRE(expected_value_exprt==actual_value_exprt); |
| 84 | + } |
| 85 | + WHEN("+") |
| 86 | + { |
| 87 | + mp_integer character='+'; |
| 88 | + mp_integer expected_value=0; |
| 89 | + const typet& char_type=char_type_2; |
| 90 | + const typet& int_type=int_type_1; |
| 91 | + constant_exprt expected_value_exprt=from_integer(expected_value, int_type); |
| 92 | + exprt actual_value_exprt=simplify_expr( |
| 93 | + get_numeric_value_from_character( |
| 94 | + from_integer(character, char_type), char_type, int_type), |
| 95 | + ns); |
| 96 | + REQUIRE(expected_value_exprt==actual_value_exprt); |
| 97 | + } |
| 98 | + WHEN("-") |
| 99 | + { |
| 100 | + mp_integer character='-'; |
| 101 | + mp_integer expected_value=0; |
| 102 | + const typet& char_type=char_type_3; |
| 103 | + const typet& int_type=int_type_2; |
| 104 | + constant_exprt expected_value_exprt=from_integer(expected_value, int_type); |
| 105 | + exprt actual_value_exprt=simplify_expr( |
| 106 | + get_numeric_value_from_character( |
| 107 | + from_integer(character, char_type), char_type, int_type), |
| 108 | + ns); |
| 109 | + REQUIRE(expected_value_exprt==actual_value_exprt); |
| 110 | + } |
41 | 111 | }
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