public void ConditionalMath_SubtractRight()
{
var src = @"A Nifty Rule
dispLaYaS
conditions
x - 5 is y
dialogs
:plr
hello world
outcomes
set a to b
";
var program = new WordLangResults(src);
Assert.AreEqual(false, program.ParserErrors.AnyErrors);
var v = new ProgramToTree();
var firstExpr = program.ProgramContext.rule(0).conditions().booleanExpr(0).expression(0);
var output = v.VisitExpression(firstExpr);
Assert.AreEqual("(- x 5)", output);
}
public void ConditionalMath_AddLotsOfSpaces()
{
var src = @"A Nifty Rule
dispLaYaS
conditions
x + 25 + z + 1205 is y + 12
dialogs
:plr
hello world
outcomes
set a to b
";
var program = new WordLangResults(src);
Assert.AreEqual(false, program.ParserErrors.AnyErrors);
var v = new ProgramToTree();
var firstExpr = program.ProgramContext.rule(0).conditions().booleanExpr(0).expression(0);
var output = v.VisitExpression(firstExpr);
Assert.AreEqual("(+ x (+ 25 (+ z 1205)))", output);
}
public void ConditionalMath_PEMDAS_ParensNested()
{
var srcA = @"A Nifty Rule
dispLaYaS
conditions
2 * ( ((3 + 4) - (5 - 2)) + 4) is y
dialogs
:plr
hello world
outcomes
set a to b
";
var progA = new WordLangResults(srcA);
Assert.AreEqual(false, progA.ParserErrors.AnyErrors);
var firstExpr = progA.ProgramContext.rule(0).conditions().booleanExpr(0).expression(0);
var v = new ProgramToTree();
var output = v.VisitExpression(firstExpr);
Assert.AreEqual("(* 2 (+ (- (+ 3 4) (- 5 2)) 4))", output);
}
public void ConditionalMath_PEMDAS_MultDivide()
{
var srcA = @"A Nifty Rule
dispLaYaS
conditions
a / b * c is y
dialogs
:plr
hello world
outcomes
set a to b
";
var progA = new WordLangResults(srcA);
Assert.AreEqual(false, progA.ParserErrors.AnyErrors);
var firstExpr = progA.ProgramContext.rule(0).conditions().booleanExpr(0).expression(0);
var v = new ProgramToTree();
var output = v.VisitExpression(firstExpr);
Assert.AreEqual("(/ a (* b c))", output);
}
public void ConditionalMath_Complicated()
{
var srcA = @"A Nifty Rule
dispLaYaS
conditions
x * y + z * w * a + 1 is y
dialogs
:plr
hello world
outcomes
set a to b
";
var progA = new WordLangResults(srcA);
Assert.AreEqual(false, progA.ParserErrors.AnyErrors);
var firstExpr = progA.ProgramContext.rule(0).conditions().booleanExpr(0).expression(0);
var v = new ProgramToTree();
var output = v.VisitExpression(firstExpr);
Assert.AreEqual("(+ (* x y) (+ (* z (* w a)) 1))", output);
}
public void ConditionalMath_PEMDAS_MultThenAdd()
{
var srcB = @"A Nifty Rule
dispLaYaS
conditions
x * a + 5 is y
dialogs
:plr
hello world
outcomes
set a to b
";
var progB = new WordLangResults(srcB);
Assert.AreEqual(false, progB.ParserErrors.AnyErrors);
var v = new ProgramToTree();
var firstExpr = progB.ProgramContext.rule(0).conditions().booleanExpr(0).expression(0);
var output = v.VisitExpression(firstExpr);
Assert.AreEqual("(+ (* x a) 5)", output);
}