public override void VisitIfStatement(IIfStatement stmt, IList <IStatement> body)
{
if (IsTargetMatch(stmt, CompletionCase.EmptyCompletionBefore))
{
body.Add(EmptyCompletionExpression);
}
var ifElseBlock = new IfElseBlock
{
Condition = _exprVisitor.ToSimpleExpression(stmt.Condition, body) ?? new UnknownExpression()
};
if (IsTargetMatch(stmt, CompletionCase.InBody))
{
ifElseBlock.Then.Add(EmptyCompletionExpression);
}
if (IsTargetMatch(stmt, CompletionCase.InElse))
{
ifElseBlock.Else.Add(EmptyCompletionExpression);
}
if (stmt.Then != null)
{
stmt.Then.Accept(this, ifElseBlock.Then);
}
if (stmt.Else != null)
{
stmt.Else.Accept(this, ifElseBlock.Else);
}
body.Add(ifElseBlock);
if (IsTargetMatch(stmt, CompletionCase.EmptyCompletionAfter))
{
body.Add(EmptyCompletionExpression);
}
}
public void Equality_Default()
{
var a = new IfElseBlock();
var b = new IfElseBlock();
Assert.AreEqual(a, b);
Assert.AreEqual(a.GetHashCode(), b.GetHashCode());
}
public void DefaultValues()
{
var sut = new IfElseBlock();
Assert.AreEqual(new UnknownExpression(), sut.Condition);
Assert.AreEqual(Lists.NewList <IStatement>(), sut.Then);
Assert.AreEqual(Lists.NewList <IStatement>(), sut.Else);
Assert.AreNotEqual(0, sut.GetHashCode());
Assert.AreNotEqual(1, sut.GetHashCode());
}
public void Equality_DifferentElse()
{
var a = new IfElseBlock();
a.Else.Add(new ContinueStatement());
var b = new IfElseBlock();
Assert.AreNotEqual(a, b);
Assert.AreNotEqual(a.GetHashCode(), b.GetHashCode());
}
public void Equality_DifferentThen()
{
var a = new IfElseBlock();
a.Then.Add(new ReturnStatement());
var b = new IfElseBlock();
Assert.AreNotEqual(a, b);
Assert.AreNotEqual(a.GetHashCode(), b.GetHashCode());
}
public void Equality_DifferentCondition()
{
var a = new IfElseBlock {
Condition = new ConstantValueExpression()
};
var b = new IfElseBlock();
Assert.AreNotEqual(a, b);
Assert.AreNotEqual(a.GetHashCode(), b.GetHashCode());
}
public void ChildrenIdentity()
{
var sut = new IfElseBlock
{
Condition = new ConstantValueExpression(),
Then = { new ReturnStatement() },
Else = { new ContinueStatement() }
};
AssertChildren(sut, sut.Condition, sut.Then.First(), sut.Else.First());
}
public void SettingValues()
{
var sut = new IfElseBlock
{
Condition = new ConstantValueExpression(),
Then = { new ReturnStatement() },
Else = { new ContinueStatement() }
};
Assert.AreEqual(new ConstantValueExpression(), sut.Condition);
Assert.AreEqual(Lists.NewList(new ReturnStatement()), sut.Then);
Assert.AreEqual(Lists.NewList(new ContinueStatement()), sut.Else);
}
protected override CodeblockSystem BuildSystem()
{
CodeblockSystem system = new CodeblockSystem();
DynamicInputOperator <int>[] inputs = new DynamicInputOperator <int> [4];
for (int i = 0; i < 4; i++)
{
DynamicInputOperator <int> input = new DynamicInputOperator <int>();
input.Value = i * 2;
inputs[i] = input;
}
ComparisonOperationCodeblock left = new ComparisonOperationCodeblock()
{
Left = inputs[0],
Right = inputs[1],
Operation = ComparisonOperation.SmallerOrEqual
};
ComparisonOperationCodeblock right = new ComparisonOperationCodeblock()
{
Left = inputs[2],
Right = inputs[3],
Operation = ComparisonOperation.Equal
};
LogicOperationCodeblock logic = new LogicOperationCodeblock()
{
Left = left,
Right = right,
Operation = LogicalOperation.OR
};
AssertTestBlock ifTrue = new AssertTestBlock();
ifTrue.Condition = () => true;
AssertTestBlock ifFalse = new AssertTestBlock();
ifFalse.Condition = () => false;
IfElseBlock ifElseBlock = new IfElseBlock();
ifElseBlock.Condition = logic;
ifElseBlock.Children.InsertItem(ifTrue, null);
ifElseBlock.ElseChildren.InsertItem(ifFalse, null);
system.Blocks.InsertItem(ifElseBlock, null);
return(system);
}
public void IfElseBlock_NoElseBlock()
{
var sst = new IfElseBlock
{
Condition = new ConstantValueExpression {
Value = "true"
},
Then = { new ContinueStatement() }
};
AssertPrint(
sst,
"if (true)",
"{",
" continue;",
"}");
}
public void Equality_ReallyTheSame()
{
var a = new IfElseBlock
{
Condition = new ConstantValueExpression(),
Then = { new ReturnStatement() },
Else = { new ContinueStatement() }
};
var b = new IfElseBlock
{
Condition = new ConstantValueExpression(),
Then = { new ReturnStatement() },
Else = { new ContinueStatement() }
};
Assert.AreEqual(a, b);
Assert.AreEqual(a.GetHashCode(), b.GetHashCode());
}
protected override CodeblockSystem BuildSystem()
{
CodeblockSystem system = new CodeblockSystem();
AssertTestBlock ifTrue = new AssertTestBlock();
ifTrue.Condition = () => true;
AssertTestBlock ifFalse = new AssertTestBlock();
ifFalse.Condition = () => false;
var left = new DynamicInputOperator <float>();
left.Value = 5;
var right = new DynamicInputOperator <string>();
right.Value = "1";
ComparisonOperationCodeblock coc = new ComparisonOperationCodeblock();
coc.Operation = ComparisonOperation.GreaterThan;
coc.Left = left;
coc.Right = right;
IfElseBlock ifelse = new IfElseBlock();
ifelse.Condition = coc;
ifelse.Children.InsertItem(ifTrue, null);
ifelse.ElseChildren.InsertItem(ifFalse, null);
system.Blocks.InsertItem(ifelse, null);
return(system);
}
public void VisitorWithReturnIsImplemented()
{
var sut = new IfElseBlock();
sut.Accept(23).VerifyWithReturn(v => v.Visit(sut, 23));
}
