public void E_Sim_Instead_Sin_Test()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("2 * sim (x) + 3 * cos(y) - sin (z) / cos(z)");
var dict = new Dictionary <string, double>(new List <KeyValuePair <string, double> > {
new KeyValuePair <string, double>("x", pi / 2),
new KeyValuePair <string, double>("y", pi),
new KeyValuePair <string, double>("z", pi / 4)
});
var firstValue = FI.GetValue(dict);
FI.FixValue("x", pi / 2);
FI.FixValue("y", pi);
FI.FixValue("z", pi / 4);
var secondValue = FI.GetValue();
Assert.AreEqual(3, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"x", "y", "z"
}, FI.GetVariables());
Assert.AreEqual(-2.0, firstValue, delta);
Assert.AreEqual(firstValue, secondValue, delta, "Несовпадение значений при вычислении функции двумя способами");
}
public void B_DifferentTestCase_Test_6()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("cos(z + w) ^ 2 - x * p + y");
var dict = new Dictionary <string, double>(new List <KeyValuePair <string, double> > {
new KeyValuePair <string, double>("x", 4),
new KeyValuePair <string, double>("y", 11),
new KeyValuePair <string, double>("z", pi / 2),
new KeyValuePair <string, double>("w", pi / 2),
new KeyValuePair <string, double>("p", 3)
});
var firstValue = FI.GetValue(dict);
FI.FixValue("x", 4);
FI.FixValue("y", 11);
FI.FixValue("z", pi / 2);
FI.FixValue("w", pi / 2);
FI.FixValue("p", 3);
var secondValue = FI.GetValue();
Assert.AreEqual(3, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"z", "w", "x", "p", "y"
}, FI.GetVariables());
Assert.AreEqual(0.0, firstValue, delta);
Assert.AreEqual(firstValue, secondValue, delta, "Несовпадение значений при вычислении функции двумя способами");
}
public void B_DifferentTestCase_Test_5()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("y + sin(x * z) * 2");
var dict = new Dictionary <string, double>(new List <KeyValuePair <string, double> > {
new KeyValuePair <string, double>("x", pi),
new KeyValuePair <string, double>("y", 3),
new KeyValuePair <string, double>("z", 0.5)
});
var firstValue = FI.GetValue(dict);
FI.FixValue("x", pi);
FI.FixValue("y", 3);
FI.FixValue("z", 0.5);
var secondValue = FI.GetValue();
Assert.AreEqual(2, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"y", "x", "z"
}, FI.GetVariables());
Assert.AreEqual(5.0, firstValue, delta);
Assert.AreEqual(firstValue, secondValue, delta, "Несовпадение значений при вычислении функции двумя способами");
}
public void A_Base_Equals_DictValue_And_FixValue_Test()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("x * z + y / p");
var dict = new Dictionary <string, double>(new List <KeyValuePair <string, double> > {
new KeyValuePair <string, double>("x", 6),
new KeyValuePair <string, double>("y", 2),
new KeyValuePair <string, double>("z", 8),
new KeyValuePair <string, double>("p", 6),
});
var firstValue = FI.GetValue(dict);
FI.FixValue("x", 6);
FI.FixValue("y", 2);
FI.FixValue("z", 8);
FI.FixValue("p", 6);
var secondValue = FI.GetValue();
Assert.AreEqual(2, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"x", "z", "y", "p"
}, FI.GetVariables());
Assert.AreEqual(48.3333333333, firstValue, delta);
Assert.AreEqual(firstValue, secondValue, delta);
}
public void A_Base_ThreeTermsWithThreeVariables_Test()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("y - 3 * x + z");
Assert.AreEqual(3, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"y", "x", "z"
}, FI.GetVariables());
}
public void A_Base_TwoTermsWithOneVariables_Test()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("3 * x + 5");
Assert.AreEqual(2, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"x"
}, FI.GetVariables());
}
public void A_Base_FixValueAndGetValue_Test()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("x");
FI.FixValue("x", 2.0);
Assert.AreEqual(1, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"x"
}, FI.GetVariables());
Assert.AreEqual(2.0, FI.GetValue(), delta);
}
public void A_Base_TwoVariablesFixValue_ByDict_Test()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("x + y");
var dict = new Dictionary <string, double>(new List <KeyValuePair <string, double> > {
new KeyValuePair <string, double>("x", 5.0),
new KeyValuePair <string, double>("y", 3.5)
});
var value = FI.GetValue(dict);
Assert.AreEqual(2, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"x", "y"
}, FI.GetVariables());
Assert.AreEqual(8.5, value, delta);
}
public void B_DifferentTestCase_Test_1()
{
FunctionInformation_V2 FI = new FunctionInformation_V2("(sin (x) ^ 2) + (cos (x) ^ 2)");
var dict = new Dictionary <string, double>(new List <KeyValuePair <string, double> > {
new KeyValuePair <string, double>("x", 6)
});
var firstValue = FI.GetValue(dict);
FI.FixValue("x", 6);
var secondValue = FI.GetValue();
Assert.AreEqual(2, FI.GetTermCount());
Assert.AreEqual(new List <string>()
{
"x"
}, FI.GetVariables());
Assert.AreEqual(1, firstValue, delta);
Assert.AreEqual(firstValue, secondValue, delta, "Несовпадение значений при вычислении функции двумя способами");
}