public void Prepend_IsLazy()
{
var fixture = new BaseFixture();
var breakingSequence = fixture.Create<BreakingSequence<object>>();
Assert.That(() => breakingSequence.Prepend(breakingSequence), Throws.Nothing);
}
public void ToEnumerable_OnObject_CreatesEnumerable()
{
var fixture = new BaseFixture();
var objectValue = fixture.Create<object>();
Assert.That(() => objectValue.ToEnumerable(), Is.InstanceOf<IEnumerable<object>>());
}
public void NullableMin_OnNullSequence_WithSelector_ThrowsValidationException()
{
IEnumerable<GenericComparableStruct> nullSequence = null;
var fixture = new BaseFixture();
var selector = fixture.Create<Func<GenericComparableStruct, GenericComparableStruct>>();
Assert.That(() => nullSequence.NullableMin(selector), Throws.TypeOf<ValidationException>().With.InnerException.TypeOf<ArgumentNullException>());
}
public void ContainsExactly_OnEmptySequence_OnZero_MeetsPredicate_ReturnsTrue()
{
var fixture = new BaseFixture();
var emptySequence = Enumerable.Empty<object>();
var predicate = fixture.Create<Func<object, bool>>();
Assert.That(() => emptySequence.ContainsExactly(0, predicate), Is.True);
}
public void Append_OnEmptySequence_WithElement_ReturnsSequenceWithElement()
{
var emptySequence = Enumerable.Empty<object>();
var fixture = new BaseFixture();
var objectValue = fixture.Create<object>();
Assert.That(() => emptySequence.Append(objectValue), Is.EqualTo(objectValue.ToEnumerable()));
}
public void ContainsOnlyOne_OnNullSequence_WithMeetsPredicate_ThrowsValidationException()
{
IEnumerable<object> nullSequence = null;
var fixture = new BaseFixture();
var predicate = fixture.Create<Func<object, bool>>();
Assert.That(() => nullSequence.ContainsOnlyOne(predicate), Throws.TypeOf<ValidationException>().With.InnerException.TypeOf<ArgumentNullException>());
}
public void Append_OnNullSequence_WithElelment_ThrowsValidationException()
{
IEnumerable<object> nullSequence = null;
var fixture = new BaseFixture();
var objectValue = fixture.Create<object>();
Assert.That(() => nullSequence.Append(objectValue), Throws.TypeOf<ValidationException>().With.InnerException.TypeOf<ArgumentNullException>());
}
public void NullableMin_OnEmptySequence_WithSelector_ReturnsNull()
{
var emptySequence = Enumerable.Empty<GenericComparableStruct>();
var fixture = new BaseFixture();
var selector = fixture.Create<Func<GenericComparableStruct, GenericComparableStruct>>();
Assert.That(() => emptySequence.NullableMin(selector), Is.Null);
}
public void Shuffle_OnEmptySequence_WithRandom_ReturnsEmptySequence()
{
var emptySequence = Enumerable.Empty<object>();
var fixture = new BaseFixture();
var random = fixture.Create<Random>();
Assert.That(() => emptySequence.Shuffle(random), Is.Empty);
}
public void Shuffle_OnNullSequence_WithRandom_ThrowsValidationException()
{
IEnumerable<object> nullSequence = null;
var fixture = new BaseFixture();
var random = fixture.Create<Random>();
Assert.That(() => nullSequence.Shuffle(random), Throws.TypeOf<ValidationException>().With.InnerException.TypeOf<ArgumentNullException>());
}
public void Exclude_OnEmptySequence_WithPredicate_ReturnsEmptySequence()
{
var emptySequence = Enumerable.Empty<object>();
var fixture = new BaseFixture();
var objectFunc = fixture.Create<Func<object, bool>>();
Assert.That(() => emptySequence.Exclude(objectFunc), Is.Empty);
}
public void RandomElement_OnEmptySequence_ThrowsValidationException()
{
var fixture = new BaseFixture();
var random = fixture.Create<Random>();
var emptySequence = Enumerable.Empty<object>();
Assert.That(() => emptySequence.RandomElement(random), Throws.TypeOf<ValidationException>().With.InnerException.TypeOf<ArgumentException>());
}
public void Replace_OnEmptySequence_WithElement_WithReplacement_ReturnsEmptySequence()
{
var emptySequence = Enumerable.Empty<object>();
var fixture = new BaseFixture();
var objectValue = fixture.Create<object>();
Assert.That(() => emptySequence.Replace(objectValue, objectValue), Is.Empty);
}
public void ContainsAny_OnCharacter_OnEmptyString_ReturnsFalse()
{
var emptyString = string.Empty;
var fixture = new BaseFixture();
var charValue = fixture.Create<char>();
Assert.That(() => emptyString.ContainsAny(charValue), Is.False);
}
public void ContainsOnlyOne_OnEmptySequence_MeetsPredicate_ReturnsFalse()
{
var fixture = new BaseFixture();
var emptySequence = Enumerable.Empty<object>();
var predicate = fixture.Create<Func<object, bool>>();
Assert.That(() => emptySequence.ContainsOnlyOne(predicate), Is.False);
}
public void ContainsAny_OnCharacter_OnNullString_ThrowsValidationException()
{
string nullString = null;
var fixture = new BaseFixture();
var charValue = fixture.Create<char>();
Assert.That(() => nullString.ContainsAny(charValue), Throws.TypeOf<ValidationException>().With.InnerException.TypeOf<ArgumentNullException>());
}
public void DistinctBy_IsLazy()
{
var fixture = new BaseFixture();
var breakingSequence = fixture.Create<BreakingSequence<object>>();
var objectFunc = fixture.Create<Func<object, object>>();
Assert.That(() => breakingSequence.DistinctBy(objectFunc), Throws.Nothing);
}
public void ToString_OnEmptySequence_WithProjection_WithNullSeparator_ReturnsEmptyString()
{
var emptySequence = Enumerable.Empty<object>();
var fixture = new BaseFixture();
var projection = fixture.Create<Func<object, string>>();
string nullSeparator = null;
Assert.That(() => emptySequence.ToString(projection, nullSeparator), Is.Empty);
}
public void Replace_OnEmptySequence_WithElement_WithNullProjection_ThrowsValidationException()
{
var emptySequence = Enumerable.Empty<object>();
var fixture = new BaseFixture();
var objectValue = fixture.Create<object>();
Func<object, object> nullFunc = null;
Assert.That(() => emptySequence.Replace(objectValue, nullFunc), Throws.TypeOf<ValidationException>().With.InnerException.TypeOf<ArgumentNullException>());
}
public void Truncate_OnString_LengthIsGreaterThanElpises_ReturnsString()
{
var fixture = new BaseFixture();
var charValue = fixture.Create<char>();
var maxLength = ValidLength - 1;
var shortString = new string(charValue, maxLength);
Assert.That(() => shortString.Truncate(ValidLength + 1), Is.EqualTo(shortString));
}
public void ToOrOther_ToObject_OnEmptyStringWithObject_OutStringAsObject()
{
var emptyStrying = string.Empty;
var fixture = new BaseFixture();
var objectValue = fixture.Create<object>();
object outParameter;
emptyStrying.ToOrOther(out outParameter, objectValue);
Assert.That(() => outParameter, Is.EqualTo(emptyStrying));
}
public void AddLine_OnGoodStringBuilder_WithEmptyString_NoLineWriter_ReturnsStringBuilder()
{
var fixture = new BaseFixture();
var stringBuilder = fixture.Create<StringBuilder>();
var emptyString = string.Empty;
var actual = stringBuilder.AddLine(emptyString);
Assert.That(() => actual, Is.EqualTo(stringBuilder));
}
public void AddLine_OnGoodStringBuilder_WithEmptyString_WithLineWriter_CallsWriteLine()
{
var mockLineWriter = new Mock<ILineWriter>(MockBehavior.Strict);
var emptyString = string.Empty;
var fixture = new BaseFixture();
var stringBuilder = fixture.Create<StringBuilder>();
mockLineWriter.Setup(m => m.WriteLine());
ILineWriter lineWriter = mockLineWriter.Object;
stringBuilder.AddLine(emptyString, lineWriter);
mockLineWriter.Verify(m => m.WriteLine(), Times.Once());
}
public void AverageOrDefault_OnEmptyIntSequence_WithDecimalFunc_ReturnsDefaultDecimal()
{
var fixture = new BaseFixture();
var emptyIntSequence = Enumerable.Empty<int>();
var decimalFunc = fixture.Create<Func<int, decimal>>();
Assert.That(() => emptyIntSequence.AverageOrDefault(decimalFunc), Is.EqualTo(default(decimal)));
}
public void AverageOrDefault_OnEmptyIntSequence_WithNullableLongFunc_ReturnsDefaultLong()
{
var fixture = new BaseFixture();
var emptyIntSequence = Enumerable.Empty<int>();
var nullableLongFunc = fixture.Create<Func<int, long?>>();
Assert.That(() => emptyIntSequence.AverageOrDefault(nullableLongFunc), Is.EqualTo(default(long)));
}
public void AverageOrDefault_OnNullIntSequence_WithIntFunc_ReturnsDefaultInt()
{
IEnumerable<int> nullIntSequence = null;
var fixture = new BaseFixture();
var intFunc = fixture.Create<Func<int, int>>();
Assert.That(() => nullIntSequence.AverageOrDefault(intFunc), Is.EqualTo(default(int)));
}
public void IsEmpty_OnNonGenericEnumerableSingleItem_ReturnsFalse()
{
var fixture = new BaseFixture();
var mock = fixture.Create<Mock<IEnumerable>>();
mock.Setup(m => m.GetEnumerator()).Returns(fixture.Create<object>().ToEnumerable().GetEnumerator);
IEnumerable sequence = mock.Object;
Assert.That(() => sequence.IsEmpty(), Is.False);
}
public void IsEmpty_OnNonGenericCollectionSingleItem_ReturnsFalse()
{
var fixture = new BaseFixture();
var mock = new Mock<ICollection>();
mock.Setup(m => m.Count).Returns(1);
mock.Setup(m => m.GetEnumerator()).Returns(fixture.Create<object>().ToEnumerable().GetEnumerator);
ICollection singleItemNonGenericCollection = mock.Object;
Assert.That(() => singleItemNonGenericCollection.IsEmpty(), Is.False);
}
public void AverageOrDefault_OnNullIntSequence_WithNullableDoubleFunc_ReturnsDefaultDouble()
{
IEnumerable<int> nullIntSequence = null;
var fixture = new BaseFixture();
var nullableDoubleFunc = fixture.Create<Func<int, double?>>();
Assert.That(() => nullIntSequence.AverageOrDefault(nullableDoubleFunc), Is.EqualTo(default(double)));
}
public void AverageOrDefault_OnEmptyIntSequence_WithFloatFunc_ReturnsDefaultFloat()
{
var fixture = new BaseFixture();
var emptyIntSequence = Enumerable.Empty<int>();
var floatFunc = fixture.Create<Func<int, float>>();
Assert.That(() => emptyIntSequence.AverageOrDefault(floatFunc), Is.EqualTo(default(float)));
}