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epsilon-master/poincare/test/rational.cpp 2.58 KB
6663b6c9   adorian   projet complet av...
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  #include <quiz.h>
  #include <poincare.h>
  #include <assert.h>
  #include "helper.h"
  
  using namespace Poincare;
  
  QUIZ_CASE(poincare_rational_sign) {
    assert(Rational(-2).sign() == Expression::Sign::Negative);
    assert(Rational(-2, 3).sign() == Expression::Sign::Negative);
    assert(Rational(2, 3).sign() == Expression::Sign::Positive);
  }
  
  QUIZ_CASE(poincare_rational_compare) {
    assert(Rational::NaturalOrder(Rational(123, 234),Rational(456, 567)) < 0);
    assert(Rational::NaturalOrder(Rational(-123, 234),Rational(456, 567)) < 0);
    assert(Rational::NaturalOrder(Rational(123, 234),Rational(-456, 567)) > 0);
    assert(Rational::NaturalOrder(Rational(123, 234),Rational("123456789123456789", "12345678912345678910")) > 0);
  }
  
  QUIZ_CASE(poincare_rational_evaluate) {
    assert_parsed_expression_evaluates_to<float>("1/3", "0.3333333");
    assert_parsed_expression_evaluates_to<double>("123456/1234567", "9.9999432999586E-2");
  }
  
  QUIZ_CASE(poincare_rational_simplify) {
    assert_parsed_expression_simplify_to("-1/3", "-1/3");
    assert_parsed_expression_simplify_to("22355/45325", "4471/9065");
    assert_parsed_expression_simplify_to("0000.000000", "0");
    assert_parsed_expression_simplify_to(".000000", "0");
    assert_parsed_expression_simplify_to("0000", "0");
    assert_parsed_expression_simplify_to("0.1234567", "1234567/10000000");
    assert_parsed_expression_simplify_to("123.4567", "1234567/10000");
    assert_parsed_expression_simplify_to("0.1234", "617/5000");
    assert_parsed_expression_simplify_to("0.1234000", "617/5000");
    assert_parsed_expression_simplify_to("001234000", "1234000");
    assert_parsed_expression_simplify_to("001.234000E3", "1234");
    assert_parsed_expression_simplify_to("001234000E-4", "617/5");
    assert_parsed_expression_simplify_to("3/4+5/4-12+1/567", "-5669/567");
    assert_parsed_expression_simplify_to("34/78+67^(-1)", "1178/2613");
    assert_parsed_expression_simplify_to("12348/34564", "3087/8641");
    assert_parsed_expression_simplify_to("1-0.3-0.7", "0");
    assert_parsed_expression_simplify_to("123456789123456789+112233445566778899", "235690234690235688");
    assert_parsed_expression_simplify_to("56^56", "79164324866862966607842406018063254671922245312646690223362402918484170424104310169552592050323456");
    assert_parsed_expression_simplify_to("999^999", "999^999");
    assert_parsed_expression_simplify_to("999^-999", "1/999^999");
    assert_parsed_expression_simplify_to("0^0", "undef");
    assert_parsed_expression_simplify_to("x^0", "1");
    assert_parsed_expression_simplify_to("P^0", "1");
    assert_parsed_expression_simplify_to("A^0", "1");
    assert_parsed_expression_simplify_to("(-3)^0", "1");
  }