public NebulaCheck.IGen <Test> ItOnlyCallsThePropertyFunctionOnce() =>
from gen in DomainGen.Gen()
from func in Gen.Function <object, bool>(Gen.Boolean())
from seed in Gen.Int32()
let property0 = gen.ForAll(func)
let result0 = property0.Check(seed: seed)
where result0.Falsified
select Property.ForThese(() =>
{
public NebulaCheck.IGen <Test> IfTheReplayIsInAnInvalidFormat_ItThrows() =>
from gen in DomainGen.Gen()
from func in Gen.Function <object, bool>(Gen.Boolean())
from replay in Gen.Constant("0")
select Property.ForThese(() =>
{
var property = gen.ForAll(func);
Action test = () => property.Check(replay: replay);
test.Should()
.Throw <GalaxyCheck.Exceptions.GenErrorException>()
.WithMessage("Error decoding replay string:*");
});
public NebulaCheck.IGen <Test> IfTheReplayEncodesAGenError_ItThrows() =>
from func in Gen.Function <object, bool>(Gen.Boolean())
from replaySeed in Gen.Int32()
from replaySize in Gen.Int32().Between(0, 100)
from replayPath in Gen.Int32().ListOf()
select Property.ForThese(() =>
{
var property = GalaxyCheck.Gen.Advanced.Error <object>("", "").ForAll(func);
var replay = ReplayEncoding.Encode(CreateReplay(replaySeed, replaySize, replayPath));
Action test = () => property.Check(replay: replay);
test.Should()
.Throw <GalaxyCheck.Exceptions.GenErrorException>()
.WithMessage("Error replaying last example, given replay string was no longer valid.*");
});
public NebulaCheck.IGen <Test> IfTheReplayEncodesAnInvalidShrinkPath_ItThrows() =>
from func in Gen.Function(Gen.Boolean())
from replaySeed in Gen.Int32()
from replaySize in Gen.Int32().Between(0, 100)
from replayPath in Gen.Int32().ListOf().WithCountGreaterThanEqual(1)
select Property.ForThese(() =>
{
var property = GalaxyCheck.Property.Nullary(func);
var replay = ReplayEncoding.Encode(CreateReplay(replaySeed, replaySize, replayPath));
Action test = () => property.Check(replay: replay);
test.Should()
.Throw <GalaxyCheck.Exceptions.GenErrorException>()
.WithMessage("Error replaying last example, given replay string was no longer valid.*");
});