public void IteratorSupportsDeclaration()
{
var id = JS.Id("a");
var collection = JS.Array();
var iterator = new IteratorStatement(JS.Var(id), collection, JS.Empty());
Assert.AreEqual("for(var a in []);", iterator.ToString());
}
public void IteratorHelpersRequiresIterator()
{
IteratorStatement iterator = null;
Expect.Throw <ArgumentNullException>(() => iterator.In(null));
Expect.Throw <ArgumentNullException>(() => iterator.Do());
Expect.Throw <ArgumentNullException>(() => iterator.Do(new List <Statement>()));
}
public void IteratorSupportsDeclaration()
{
var id = JS.Id("a");
var collection = JS.Array();
var iterator = new IteratorStatement(JS.Var(id), collection, JS.Empty());
Assert.AreEqual("for(var a in []);", iterator.ToString());
}
public void IteratorRequiresVariable()
{
var iterator = new IteratorStatement();
iterator.Collection = JS.Id("b");
iterator.Statement = JS.Empty();
Expect.Throw<InvalidOperationException>(() => iterator.ToString());
}
public void IteratorRequiresStatement()
{
var iterator = new IteratorStatement();
iterator.Variable = JS.Id("a");
iterator.Collection = JS.Id("b");
Expect.Throw <InvalidOperationException>(() => iterator.ToString());
}
public void IteratorProducesForIn()
{
var id = JS.Id("a");
var collection = JS.Array();
var iterator = new IteratorStatement(id, collection, JS.Empty());
Assert.AreEqual("a;", iterator.Variable.ToString());
Assert.AreEqual("[];", iterator.Collection.ToString());
Assert.AreEqual(";", iterator.Statement.ToString());
Assert.AreEqual("for(a in []);", iterator.ToString());
}
public void IteratorProducesForIn()
{
var id = JS.Id("a");
var collection = JS.Array();
var iterator = new IteratorStatement(id, collection, JS.Empty());
Assert.AreEqual("a;", iterator.Variable.ToString());
Assert.AreEqual("[];", iterator.Collection.ToString());
Assert.AreEqual(";", iterator.Statement.ToString());
Assert.AreEqual("for(a in []);", iterator.ToString());
}