public void ShouldTranslateAMultipleLineNonVoidIfElseStatements()
{
var intVariable = Variable(typeof(int), "i");
var zero = Constant(0);
var intVariableEqualsZero = Equal(intVariable, zero);
var writeHello = CreateLambda(() => Console.WriteLine("Hello"));
var writeGoodbye = CreateLambda(() => Console.WriteLine("Goodbye"));
var helloThenGoodbye = Block(writeHello.Body, writeGoodbye.Body, intVariable);
var goodbyeThenHello = Block(writeGoodbye.Body, writeHello.Body, intVariable);
var writeHelloAndGoodbye = IfThenElse(intVariableEqualsZero, helloThenGoodbye, goodbyeThenHello);
var translated = writeHelloAndGoodbye.ToReadableString();
const string EXPECTED = @"
if (i == 0)
{
Console.WriteLine(""Hello"");
Console.WriteLine(""Goodbye"");
return i;
}
Console.WriteLine(""Goodbye"");
Console.WriteLine(""Hello"");
return i;
";
translated.ShouldBe(EXPECTED.Trim());
}
public void ShouldFormatGotoStatements()
{
var labelTargetOne = Label(typeof(void), "One");
var labelOne = Label(labelTargetOne);
var writeOne = CreateLambda(() => Console.Write("One"));
var gotoOne = Goto(labelTargetOne);
var labelTargetTwo = Label(typeof(void), "Two");
var labelTwo = Label(labelTargetTwo);
var writeTwo = CreateLambda(() => Console.Write("Two"));
var gotoTwo = Goto(labelTargetTwo);
var intVariable = Variable(typeof(int), "i");
var intEqualsOne = Equal(intVariable, Constant(1));
var intEqualsTwo = Equal(intVariable, Constant(2));
var ifTwoGotoTwo = IfThen(intEqualsTwo, gotoTwo);
var gotoOneOrTwo = IfThenElse(intEqualsOne, gotoOne, ifTwoGotoTwo);
var writeNeither = CreateLambda(() => Console.Write("Neither"));
var returnFromBlock = Return(Label());
var block = Block(
gotoOneOrTwo,
writeNeither.Body,
returnFromBlock,
labelOne,
writeOne.Body,
labelTwo,
writeTwo.Body);
var translated = ToReadableHtmlString(block);
const string EXPECTED = @"
<span class=""cs"">if </span>(<span class=""vb"">i</span> == <span class=""nm"">1</span>)
{
<span class=""cs"">goto </span>One;
}
<span class=""cs"">else</span> <span class=""cs"">if </span>(<span class=""vb"">i</span> == <span class=""nm"">2</span>)
{
<span class=""cs"">goto </span>Two;
}
<span class=""tn"">Console</span>.<span class=""mn"">Write</span>(<span class=""tx"">""Neither""</span>);
<span class=""cs"">return</span>;
One:
<span class=""tn"">Console</span>.<span class=""mn"">Write</span>(<span class=""tx"">""One""</span>);
Two:
<span class=""tn"">Console</span>.<span class=""mn"">Write</span>(<span class=""tx"">""Two""</span>);
";
translated.ShouldBe(EXPECTED.Trim());
}
public void ShouldTranslateGotoStatements()
{
var labelTargetOne = Label(typeof(void), "One");
var labelOne = Label(labelTargetOne);
var writeOne = CreateLambda(() => Console.Write("One"));
var gotoOne = Goto(labelTargetOne);
var labelTargetTwo = Label(typeof(void), "Two");
var labelTwo = Label(labelTargetTwo);
var writeTwo = CreateLambda(() => Console.Write("Two"));
var gotoTwo = Goto(labelTargetTwo);
var intVariable = Variable(typeof(int), "i");
var intEqualsOne = Equal(intVariable, Constant(1));
var intEqualsTwo = Equal(intVariable, Constant(2));
var ifTwoGotoTwo = IfThen(intEqualsTwo, gotoTwo);
var gotoOneOrTwo = IfThenElse(intEqualsOne, gotoOne, ifTwoGotoTwo);
var writeNeither = CreateLambda(() => Console.Write("Neither"));
var returnFromBlock = Return(Label());
var block = Block(
gotoOneOrTwo,
writeNeither.Body,
returnFromBlock,
labelOne,
writeOne.Body,
labelTwo,
writeTwo.Body);
var translated = block.ToReadableString();
const string EXPECTED = @"
if (i == 1)
{
goto One;
}
else if (i == 2)
{
goto Two;
}
Console.Write(""Neither"");
return;
One:
Console.Write(""One"");
Two:
Console.Write(""Two"");
";
translated.ShouldBe(EXPECTED.Trim());
}