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       1                 :            : /******************************************************************************
       2                 :            :  * This file is part of the cvc5 project.
       3                 :            :  *
       4                 :            :  * Copyright (c) 2009-2026 by the authors listed in the file AUTHORS
       5                 :            :  * in the top-level source directory and their institutional affiliations.
       6                 :            :  * All rights reserved.  See the file COPYING in the top-level source
       7                 :            :  * directory for licensing information.
       8                 :            :  * ****************************************************************************
       9                 :            :  *
      10                 :            :  * Black box testing of cvc5::Rational.
      11                 :            :  */
      12                 :            : 
      13                 :            : #include <sstream>
      14                 :            : 
      15                 :            : #include "test.h"
      16                 :            : #include "util/rational.h"
      17                 :            : 
      18                 :            : namespace cvc5::internal {
      19                 :            : namespace test {
      20                 :            : 
      21                 :            : class TestUtilBlackRational : public TestInternal
      22                 :            : {
      23                 :            : };
      24                 :            : 
      25                 :          4 : TEST_F(TestUtilBlackRational, fromDecimal)
      26                 :            : {
      27 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(0, 1), Rational::fromDecimal("0"));
      28 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(1, 1), Rational::fromDecimal("1"));
      29 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(-1, 1), Rational::fromDecimal("-1"));
      30 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(3, 2), Rational::fromDecimal("1.5"));
      31 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(-3, 2), Rational::fromDecimal("-1.5"));
      32 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(7, 10), Rational::fromDecimal(".7"));
      33 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(-7, 10), Rational::fromDecimal("-.7"));
      34 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(5, 1), Rational::fromDecimal("5."));
      35 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(-5, 1), Rational::fromDecimal("-5."));
      36 [ -  + ][ +  - ]:          2 :   ASSERT_EQ(Rational(12345, 100), Rational::fromDecimal("123.45"));
      37                 :            : 
      38                 :          3 :   ASSERT_THROW(Rational::fromDecimal("1.2.3");, std::invalid_argument);
      39                 :          3 :   ASSERT_THROW(Rational::fromDecimal("1.2/3");, std::invalid_argument);
      40                 :          3 :   ASSERT_THROW(Rational::fromDecimal("Hello, world!");, std::invalid_argument);
      41                 :            : }
      42                 :            : }  // namespace test
      43                 :            : }  // namespace cvc5::internal