public void StructForEachContinue()
{
var enumerable_counter = new StructEnumerableCounter(0, 10);
var ec = Expression.Parameter(typeof(StructEnumerableCounter), "ec");
var item = Expression.Variable(typeof(int), "i");
var foreachBreak = Expression.Label("foreachBreak");
var foreachContinue = Expression.Label("foreachContinue");
var hitcounter = Expression.Lambda <Action <StructEnumerableCounter> >(
ExpressionEx.ForEach(
item,
ec,
Expression.Block(
Expression.Condition(
Expression.Equal(Expression.Modulo(item, Expression.Constant(2)), Expression.Constant(0)),
Expression.Call(ec, typeof(StructEnumerableCounter).GetMethod("Hit", Type.EmptyTypes)),
Expression.Goto(foreachContinue))),
foreachBreak,
foreachContinue),
ec).Compile();
hitcounter(enumerable_counter);
Assert.Equal(5, enumerable_counter.Count);
Assert.True(enumerable_counter.Disposed);
}
public void StructForEachException()
{
var enumerable_counter = new StructEnumerableCounter(0, 100);
var ec = Expression.Parameter(typeof(StructEnumerableCounter), "ec");
var item = Expression.Variable(typeof(int), "i");
var hitcounter = Expression.Lambda <Action <StructEnumerableCounter> >(
ExpressionEx.ForEach(
item,
ec,
Expression.Block(
Expression.Condition(
Expression.LessThanOrEqual(item, Expression.Constant(10)),
Expression.Call(ec, typeof(StructEnumerableCounter).GetMethod("Hit", Type.EmptyTypes)),
Expression.Throw(Expression.New(typeof(TestException)))))),
ec).Compile();
Assert.Throws <TestException>(() =>
{
hitcounter(enumerable_counter);
});
Assert.Equal(10, enumerable_counter.Count);
Assert.True(enumerable_counter.Disposed);
}
public void StructForEachEnumerable()
{
var enumerable_counter = new StructEnumerableCounter(0, 10);
var ec = Expression.Parameter(typeof(StructEnumerableCounter), "ec");
var item = Expression.Variable(typeof(int), "i");
var hitcounter = Expression.Lambda <Action <StructEnumerableCounter> >(
ExpressionEx.ForEach(
item,
ec,
Expression.Call(ec, typeof(StructEnumerableCounter).GetMethod("Hit", Type.EmptyTypes))),
ec).Compile();
hitcounter(enumerable_counter);
Assert.Equal(10, enumerable_counter.Count);
Assert.True(enumerable_counter.Disposed);
Assert.False(enumerable_counter.DisposedIncorrectly);
}
