public void ShouldBeTriggeredWithoutClosure_Right()
{
var hint = new DelegateShouldHaveBeenInvokedEqualsHint();
Func<int> f = () => 3;
Expression<Func<bool>> ex = () => Equals(3, f);
string ignored;
Assert.IsTrue(hint.TryGetHint(ex.Body, out ignored));
Assert.IsNotNull(ignored);
}
public void ShouldNotBeTriggeredIfBothAreDelegates()
{
var hint = new DelegateShouldHaveBeenInvokedEqualsHint();
Func<int> f = () => 3;
Expression<Func<bool>> ex = () => Equals(f, f);
string ignored;
Assert.IsTrue(hint.TryGetHint(ex.Body, out ignored));
Assert.IsTrue(ignored.Contains("suspicious"));
}
public void ShouldBeTriggeredWithClosure_Left()
{
var hint = new DelegateShouldHaveBeenInvokedEqualsHint();
int n = 3;
Func<int> f = () => n; // now this func requires a closure
Expression<Func<bool>> ex = () => Equals(f, 3);
string ignored;
Assert.IsTrue(hint.TryGetHint(ex.Body, out ignored));
Assert.IsNotNull(ignored);
}
public void ShouldNotBeTriggeredIfDelegateRequiresArgument()
{
var hint = new DelegateShouldHaveBeenInvokedEqualsHint();
int n = 3;
Func<int, int> f = _ => 3;
Expression<Func<bool>> ex = () => Equals(f, n);
var p = new ExpressionParser(ex.Body);
string ignored;
Assert.IsTrue(hint.TryGetHint(p, ex.Body, out ignored));
Assert.IsTrue(ignored.Contains("suspicious"));
}