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       1                 :            : /******************************************************************************
       2                 :            :  * Top contributors (to current version):
       3                 :            :  *   Aina Niemetz
       4                 :            :  *
       5                 :            :  * This file is part of the cvc5 project.
       6                 :            :  *
       7                 :            :  * Copyright (c) 2009-2025 by the authors listed in the file AUTHORS
       8                 :            :  * in the top-level source directory and their institutional affiliations.
       9                 :            :  * All rights reserved.  See the file COPYING in the top-level source
      10                 :            :  * directory for licensing information.
      11                 :            :  * ****************************************************************************
      12                 :            :  *
      13                 :            :  * Black box testing of cvc5::Rational.
      14                 :            :  */
      15                 :            : 
      16                 :            : #include <sstream>
      17                 :            : 
      18                 :            : #include "test.h"
      19                 :            : #include "util/rational.h"
      20                 :            : 
      21                 :            : namespace cvc5::internal {
      22                 :            : namespace test {
      23                 :            : 
      24                 :            : class TestUtilBlackRational : public TestInternal
      25                 :            : {
      26                 :            : };
      27                 :            : 
      28                 :          2 : TEST_F(TestUtilBlackRational, fromDecimal)
      29                 :            : {
      30         [ -  + ]:          2 :   ASSERT_EQ(Rational(0, 1), Rational::fromDecimal("0"));
      31         [ -  + ]:          2 :   ASSERT_EQ(Rational(1, 1), Rational::fromDecimal("1"));
      32         [ -  + ]:          2 :   ASSERT_EQ(Rational(-1, 1), Rational::fromDecimal("-1"));
      33         [ -  + ]:          2 :   ASSERT_EQ(Rational(3, 2), Rational::fromDecimal("1.5"));
      34         [ -  + ]:          2 :   ASSERT_EQ(Rational(-3, 2), Rational::fromDecimal("-1.5"));
      35         [ -  + ]:          2 :   ASSERT_EQ(Rational(7, 10), Rational::fromDecimal(".7"));
      36         [ -  + ]:          2 :   ASSERT_EQ(Rational(-7, 10), Rational::fromDecimal("-.7"));
      37         [ -  + ]:          2 :   ASSERT_EQ(Rational(5, 1), Rational::fromDecimal("5."));
      38         [ -  + ]:          2 :   ASSERT_EQ(Rational(-5, 1), Rational::fromDecimal("-5."));
      39         [ -  + ]:          2 :   ASSERT_EQ(Rational(12345, 100), Rational::fromDecimal("123.45"));
      40                 :            : 
      41 [ +  - ][ +  - ]:          4 :   ASSERT_THROW(Rational::fromDecimal("1.2.3");, std::invalid_argument);
                 [ -  + ]
      42 [ +  - ][ +  - ]:          4 :   ASSERT_THROW(Rational::fromDecimal("1.2/3");, std::invalid_argument);
                 [ -  + ]
      43 [ +  - ][ +  - ]:          4 :   ASSERT_THROW(Rational::fromDecimal("Hello, world!");, std::invalid_argument);
                 [ -  + ]
      44                 :            : }
      45                 :            : }  // namespace test
      46                 :            : }  // namespace cvc5::internal