public void GetDependentFunctions_SingleNamedFunction()
{
CompileResult result = Compiler.Compile("f(x) = sin(x)");
result.GetDependentFunctions("f").Should().ContainSingle(s => s == "f");
result.GetDependentFunctions("sin").Should().BeEmpty();
}
public void SingleUnnamedFunction_NoDependentFunctions(string functionName)
{
CompileResult result = Compiler.Compile("sin(x)");
IEnumerable <string> functions = result.GetDependentFunctions(functionName);
functions.Should().BeEmpty();
}
public void Errors_NoDependentFunctions(string functionName)
{
CompileResult result = Compiler.Compile("////");
IEnumerable <string> functions = result.GetDependentFunctions(functionName);
functions.Should().BeEmpty();
}
public void GetDependentFunctions_SimpleGraph()
{
var functions = new string[]
{
"f(x) = x",
"g(x) = f(x) + f(x) + 2",
"h(x) = g(x) / 2"
};
CompileResult result = InvariantCompiler.Compile(functions);
result.IsSuccess.Should().BeTrue();
string[] dependents = result.GetDependentFunctions("f").ToArray();
dependents.Should().Contain(new string[] { "f", "g", "h" });
}