public void ScriptReturnsScriptWithStatements()
{
var s = JS.Script(new List <Statement> {
JS.Empty(), JS.Return(JS.Null())
});
Assert.AreEqual(";return null;", s.ToString());
}
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 IteratorRequiresCollection()
{
var iterator = new IteratorStatement();
iterator.Variable = JS.Id("a");
iterator.Statement = JS.Empty();
Expect.Throw <InvalidOperationException>(() => iterator.ToString());
}
public void IteratorHasHelpers()
{
var statement1 = JS.For(JS.Id("a")).In(JS.Array()).Do();
var statement2 = JS.For(JS.Id("b")).In(JS.Id("c")).Do(new List <Statement> {
JS.Empty()
});
Assert.AreEqual("for(a in []);", statement1.ToString());
Assert.AreEqual("for(b in c);", statement2.ToString());
}
public void WithStatementHasHelpers()
{
var statement1 = JS.With(JS.Id("a")).Do(JS.Empty());
var statement2 = JS.With(JS.Id("a")).Do(new List <Statement> {
JS.Empty()
});
Assert.AreEqual("with(a);", statement1.ToString());
Assert.AreEqual("with(a);", statement2.ToString());
}
public void WhileStatementProducesEmptyWhile()
{
var statement = new WhileStatement();
statement.Condition = true;
statement.Statement = JS.Empty();
Assert.AreEqual("true;", statement.Condition.ToString());
Assert.AreEqual(";", statement.Statement.ToString());
Assert.AreEqual("while(true);", statement.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 WhileStatementRequiresConditionAndStatement()
{
var statement = new WhileStatement();
Expect.Throw <InvalidOperationException>(() => statement.ToString());
statement.Condition = true;
Expect.Throw <InvalidOperationException>(() => statement.ToString());
statement.Statement = JS.Empty();
Assert.AreEqual("while(true);", statement.ToString());
}
public void WhileStatementHasHelpers()
{
var statement1 = JS.While(true).Do(JS.Empty());
Assert.AreEqual("true;", statement1.Condition.ToString());
Assert.AreEqual(";", statement1.Statement.ToString());
Assert.AreEqual("while(true);", statement1.ToString());
var statement2 = JS.While(true).Do(new List <Statement> {
JS.Empty()
});
Assert.AreEqual("true;", statement2.Condition.ToString());
Assert.AreEqual(";", statement2.Statement.ToString());
Assert.AreEqual("while(true);", statement2.ToString());
}
public void EmptyStatementProducesEmptyStatement()
{
var e = JS.Empty();
Assert.AreEqual(";", e.ToString());
}
public void EmptyStatementProducesBlock()
{
var b = JS.BlockOrStatement(JS.Empty(), JS.Empty());
Assert.AreEqual("{;;}", b.ToString());
}
public void LoopStatementProducesInfiniteLoop()
{
var statement = new LoopStatement(null, null, null, JS.Empty());
Assert.AreEqual("for(;;);", statement.ToString());
}
public void LabelReturnsLabel()
{
var l = JS.Label("l", JS.Empty());
Assert.AreEqual("l:;", l.ToString());
}