public void NotShrinking()
{
Func <bool> runFunc =
() =>
{
if (theInt == 42)
{
return(true); // means failure
}
return(false);
};
theInt = 42;
var shrinkStrat =
new ShrinkingStrategy()
.Add(Manipulate.This(this)
.Change(e => e.theInt, -1)
.Change(e => e.theInt, 0)
.Change(e => e.theInt, 1));
shrinkStrat.Shrink(runFunc);
Assert.False(shrinkStrat.Shrunk());
}
public override void Shrink(Func <bool> runFunc)
{
shrunk =
new ShrinkingStrategy()
.Add(Manipulate.This(this)
.Change(e => e.input, -1)
.Change(e => e.input, 0)
.Change(e => e.input, 1));
shrunk.Shrink(runFunc);
}
public void Shrunk()
{
var something = Generate.One<SomethingToShrink>();
something.IntProperty = 42;
var composite =
new ShrinkingStrategy()
.Add(-1, 0, 1)
.Ignore<SomethingToShrink, int>(e => e.IntProperty)
.RegisterAll(something);
Assert.Throws<NullReferenceException>(() => composite.Shrunk(something, e => e.IntProperty));
}
public void Shrunk()
{
var something = Generate.One <SomethingToShrink>();
something.IntProperty = 42;
var composite =
new ShrinkingStrategy()
.Add(-1, 0, 1)
.Ignore <SomethingToShrink, int>(e => e.IntProperty)
.RegisterAll(something);
Assert.Throws <NullReferenceException>(() => composite.Shrunk(something, e => e.IntProperty));
}
public void Shrunk()
{
var something = Generate.One<SomethingToShrink>();
var composite =
new ShrinkingStrategy()
.Add(-1, 0, 1, "")
.AddNull<string>()
.RegisterAll(something);
composite.Shrink(() => true);
Assert.True(composite.Shrunk());
Assert.True(composite.Shrunk(something, e => e.IntProperty));
Assert.True(composite.Shrunk(something, e => e.StringProperty));
}
public void NotShrunk()
{
var something = Generate.One <SomethingToShrink>();
var composite =
new ShrinkingStrategy()
.Add(-1, 0, 1, "")
.AddNull <string>()
.RegisterAll(something);
composite.Shrink(() => false);
Assert.False(composite.Shrunk());
Assert.False(composite.Shrunk(something, e => e.IntProperty));
Assert.False(composite.Shrunk(something, e => e.StringProperty));
}
public void Shrunk()
{
var something = Generate.One<SomethingToShrink>();
something.IntProperty = 42;
var composite =
new ShrinkingStrategy()
.Add(Simple.Values<int>())
.Add(Simple.Values<string>())
.RegisterAll(something);
composite.Shrink(() => something.IntProperty == 42);
Assert.False(composite.Shrunk());
Assert.False(composite.Shrunk(something, e => e.IntProperty));
Assert.True(composite.Shrunk(something, e => e.StringProperty));
}
public void SimpleShrinking()
{
Func<bool> runFunc = () => true; // means fail always
theInt = 42;
var shrinkStrat =
new ShrinkingStrategy()
.Add(Manipulate.This(this)
.Change(e => e.theInt, -1)
.Change(e => e.theInt, 0)
.Change(e => e.theInt, 1));
shrinkStrat.Shrink(runFunc);
Assert.True(shrinkStrat.Shrunk());
}
public void Shrunk()
{
var something = Generate.One <SomethingToShrink>();
something.IntProperty = 42;
var composite =
new ShrinkingStrategy()
.Add(Simple.AllValues())
.Register(something, e => e.IntProperty)
.Register(something, e => e.StringProperty);
composite.Shrink(() => something.IntProperty == 42);
Assert.False(composite.Shrunk());
Assert.False(composite.Shrunk(something, e => e.IntProperty));
Assert.True(composite.Shrunk(something, e => e.StringProperty));
}
public void SimpleShrinking()
{
Func <bool> runFunc = () => true; // means fail always
theInt = 42;
var shrinkStrat =
new ShrinkingStrategy()
.Add(Manipulate.This(this)
.Change(e => e.theInt, -1)
.Change(e => e.theInt, 0)
.Change(e => e.theInt, 1));
shrinkStrat.Shrink(runFunc);
Assert.True(shrinkStrat.Shrunk());
}
public override void Shrink(Func <bool> runFunc)
{
shrinkA =
new ShrinkingStrategy()
.Add(Manipulate.This(this)
.Change(e => e.a, -1)
.Change(e => e.a, 0)
.Change(e => e.a, 1));
shrinkB =
new ShrinkingStrategy()
.Add(Manipulate.This(this)
.Change(e => e.b, -1)
.Change(e => e.b, 0)
.Change(e => e.b, 1));
shrinkA.Shrink(runFunc);
shrinkB.Shrink(runFunc);
}
public void TwoOutOfThree()
{
var something =
new SomethingToShrink
{
PropertyOne = 42,
PropertyTwo = 42,
PropertyThree = 42,
};
var composite =
new ShrinkingStrategy()
.Add(Simple.AllValues())
.RegisterAll(something);
composite.Shrink(() => something.PropertyOne == 42 && something.PropertyTwo == 42);
Assert.False(composite.Shrunk());
Assert.False(composite.Shrunk(something, e => e.PropertyOne));
Assert.False(composite.Shrunk(something, e => e.PropertyTwo));
Assert.True(composite.Shrunk(something, e => e.PropertyThree));
}
public void TwoOutOfThree()
{
var something =
new SomethingToShrink
{
PropertyOne = 42,
PropertyTwo = 42,
PropertyThree = 42,
};
var composite =
new ShrinkingStrategy()
.Add(Simple.AllValues())
.RegisterAll(something);
composite.Shrink(() => something.PropertyOne == 42 && something.PropertyTwo == 42);
Assert.False(composite.Shrunk());
Assert.False(composite.Shrunk(something, e => e.PropertyOne));
Assert.False(composite.Shrunk(something, e => e.PropertyTwo));
Assert.True(composite.Shrunk(something, e => e.PropertyThree));
}
public void NotShrinking()
{
Func<bool> runFunc =
() =>
{
if (theInt == 42) return true; // means failure
return false;
};
theInt = 42;
var shrinkStrat =
new ShrinkingStrategy()
.Add(Manipulate.This(this)
.Change(e => e.theInt, -1)
.Change(e => e.theInt, 0)
.Change(e => e.theInt, 1));
shrinkStrat.Shrink(runFunc);
Assert.False(shrinkStrat.Shrunk());
}