public void ShouldTranslateAMultipleClauseIfStatement()
{
var intVariable = Expression.Variable(typeof(int), "i");
var one = Expression.Constant(1);
var intVariableLessThanOne = Expression.LessThan(intVariable, one);
var intVariableMoreThanOne = Expression.GreaterThan(intVariable, one);
var intVariableInRange = Expression.AndAlso(intVariableLessThanOne, intVariableMoreThanOne);
var writeHello = CreateLambda(() => Console.WriteLine("Hello"));
var ifLessThanOneThenWrite = Expression.IfThen(intVariableInRange, writeHello.Body);
var translated = ToReadableString(ifLessThanOneThenWrite);
const string EXPECTED = @"
if ((i < 1) && (i > 1))
{
Console.WriteLine(""Hello"");
}";
translated.ShouldBe(EXPECTED.TrimStart());
}
public void ShouldBreakLongMultipleConditionsOntoMultipleLines()
{
var intVariable1 = Expression.Variable(typeof(int), "thisVariableHasALongName");
var intVariable2 = Expression.Variable(typeof(int), "thisOtherVariableHasALongNameToo");
var int1IsGreaterThanInt2 = Expression.GreaterThan(intVariable1, intVariable2);
var int1IsNotEqualToInt2 = Expression.NotEqual(intVariable1, intVariable2);
var intIsInRange = Expression.AndAlso(int1IsGreaterThanInt2, int1IsNotEqualToInt2);
var writeYo = CreateLambda(() => Console.WriteLine("Yo!"));
var ifInRangeWriteYo = Expression.IfThen(intIsInRange, writeYo.Body);
var translated = ToReadableString(ifInRangeWriteYo);
const string EXPECTED = @"
if ((thisVariableHasALongName > thisOtherVariableHasALongNameToo) &&
(thisVariableHasALongName != thisOtherVariableHasALongNameToo))
{
Console.WriteLine(""Yo!"");
}";
translated.ShouldBe(EXPECTED.TrimStart());
}
