public void Assignment()
{
var interpreter = new GramInterpreter();
interpreter.Execute("var x = 5;");
Assert.AreEqual(5, interpreter.GetVariable("x").Get <int>(), "Basic assignment is broken.");
interpreter.Execute("x = 6");
Assert.AreEqual(6, interpreter.GetVariable("x").Get <int>(), "Reassigning variables is broken");
}
public void LocalImport()
{
var i = new GramInterpreter();
i.Execute("local module val x = 5;");
Assert.AreEqual(4, i.Execute("y where local module val y = 4;").Get <int>());
Assert.AreEqual(5, i.GetVariable("x").Get <int>());
try {
Assert.AreNotEqual(4, i.GetVariable("y").Get <int>());
Assert.Fail();
} catch (ANTLR2.GramException) {
}
}
public void Assignment_Readonly()
{
var interpreter = new GramInterpreter();
interpreter.Execute("val x = 5;");
Assert.AreEqual(5, interpreter.GetVariable("x").Get <int>(), "Readonly assignment broken.");
try {
interpreter.Execute("x = 6;");
} catch (ANTLR2.GramException e) {
Assert.AreEqual(5, interpreter.GetVariable("x").Get <int>(), "Readonly variable was reassigned!");
throw e;
}
}
public void Comment()
{
var i = new GramInterpreter();
i.Execute("var x = 0; #{set x to 5}# x = 5;");
Assert.AreEqual(5, i.GetVariable("x").Get <int>());
}
public void For()
{
var i = new GramInterpreter();
i.Execute("var total = 0;");
i.Execute("for (num : {0;1;2;3}) total = total + num;");
Assert.AreEqual(6, i.GetVariable("total").Get <int>(), "For loop not iterating correctly");
}
public void While()
{
var i = new GramInterpreter();
i.Execute("var total = 0;");
i.Execute("var count = 3;");
i.Execute("while (count > 0) {total = total + count; count = count - 1;}");
Assert.AreEqual(6, i.GetVariable("total").Get <int>(), "While loop not iterating correctly.");
}
public void TypeInstantiation()
{
var i = new GramInterpreter();
i.Execute("var x = Int(5);");
Assert.AreEqual(5, i.GetVariable("x").Get <int>());
i.Execute("var Rect = {Int; Int; Int; Int};");
i.Execute("var box: Rect = Rect{0; 0; 10; 10};");
}
public void DestructuringAssignment()
{
var i = new GramInterpreter();
i.Execute("var {a; b; {c; {d; e}; {f; g}}} = {1; 2; {3; {4; 5}; {6; 7}}};");
var resultMap = new Dictionary <char, int> {
{ 'a', 1 },
{ 'b', 2 },
{ 'c', 3 },
{ 'd', 4 },
{ 'e', 5 },
{ 'f', 6 },
{ 'g', 7 },
};
Assert.IsTrue(resultMap.All(kvP => i.GetVariable(kvP.Key.ToString()).Get <int>() == kvP.Value), "Destructuring assignment doesn't work");
}