Пример #1
0
 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(() =>
 {
Пример #2
0
        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:*");
        });
Пример #3
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        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            .WithMessage("Error replaying last example, given replay string was no longer valid.*");
        });
Пример #4
0
        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.*");
        });