public void Select_should_equal_Select()
{
IEnumerable <int> items = IntGenerator.Range(1, 12);
IEnumerable <int> others = IntGenerator.Range(1, 12);
Assert.Equal(items, others);
}
public void Int32Int64Comparison()
{
long l64 = 0;
int i32 = 0;
Assert.Equal <long>(l64, i32);
}
public void UInt64EqualsFails()
{
UInt64 expected = 25;
UInt64 actual = 42;
Assert.Throws <EqualException>(() => Assert.Equal(expected, actual));
}
public void DecimalEqualsFails()
{
decimal expected = 25;
decimal actual = 42;
Assert.Throws <EqualException>(() => Assert.Equal(expected, actual));
}
public void IsNotTypeThrowsExceptionWhenWrongType()
{
AssertException exception =
Assert.Throws <IsNotTypeException>(() => Assert.IsNotType <InvalidCastException>(new InvalidCastException()));
Assert.Equal("Assert.IsNotType() Failure", exception.UserMessage);
}
public void DoubleEqualsFails()
{
double expected = 25.3;
double actual = 42.0;
Assert.Throws <EqualException>(() => Assert.Equal(expected, actual));
}
public void NullableValueTypesCanBeNull()
{
DateTime?dt1 = null;
DateTime?dt2 = null;
Assert.Equal(dt1, dt2);
}
public void String()
{
string s1 = "test";
string s2 = new StringBuilder(s1).ToString();
Assert.True(s1.Equals(s2));
Assert.Equal(s2, s1);
}
public void NullValuesInArraysCreateCorrectExceptionMessage()
{
Exception ex = Record.Exception(
() => Assert.Equal(new [] { null, "hello" }, new [] { null, "world" }));
Assert.IsType <EqualException>(ex);
Assert.Equal("Assert.Equal() Failure\r\nPosition: First difference is at position 1\r\nExpected: System.String[] { (null), hello }\r\nActual: System.String[] { (null), world }", ex.Message);
}
public void ArrayValuesAreDifferentNotEqual()
{
string[] expected = { "@", "d", "v", "d" };
string[] actual = { "@", "a", "ab", "b" };
Assert.Throws <EqualException>(() => Assert.Equal(expected, actual));
Assert.NotEqual(expected, actual);
}
public void ArraysOfDifferentLengthsAreNotEqual()
{
string[] expected = { "@", "a", "ab", "b", "c" };
string[] actual = { "@", "a", "ab", "b" };
Assert.Throws <EqualException>(() => Assert.Equal(expected, actual));
Assert.NotEqual(expected, actual);
}
public void When_comparing_base_Generic_IComparable_object_Should_equate()
{
EquatableObject baseObj = new EquatableObject();
DerivedEquatableObject derivedObj = new DerivedEquatableObject();
Assert.Equal(derivedObj, baseObj);
Assert.True(baseObj.Equals__Called);
}
public void When_comparing_object_with_default_equality_behavior_to_derived_class_Should_fail()
{
var obj = new DefaultEqualityObject();
var derivedObj = new DerivedDefaultEqualityObject();
var ex = Record.Exception(() => Assert.Equal(obj, derivedObj));
Assert.IsType <EqualException>(ex);
}
public void Array()
{
string[] expected = { "@", "a", "ab", "b" };
string[] actual = { "@", "a", "ab", "b" };
Assert.Equal(expected, actual);
Assert.Throws <NotEqualException>(() => Assert.NotEqual(expected, actual));
}
public void SingleWithSingleItemCollectionReturnsTheItem()
{
string[] collection = new[] { "Hello" };
string result = Assert.Single(collection);
Assert.Equal("Hello", result);
}
public void TraceAssertFailureWithFullDetails()
{
TraceAssertException ex = Assert.Throws <TraceAssertException>(() => Trace.Assert(false, "message", "detailed message"));
Assert.Equal("message", ex.AssertMessage);
Assert.Equal("detailed message", ex.AssertDetailedMessage);
Assert.Equal("Debug.Assert() Failure : message" + Environment.NewLine + "Detailed Message:" + Environment.NewLine + "detailed message", ex.Message);
}
public void TraceAssertFailureWithNoMessage()
{
TraceAssertException ex = Assert.Throws <TraceAssertException>(() => Trace.Assert(false));
Assert.Equal("", ex.AssertMessage);
Assert.Equal("", ex.AssertDetailedMessage);
Assert.Equal("Debug.Assert() Failure", ex.Message);
}
public void ItemNotInContainer()
{
List <int> list = new List <int>();
ContainsException ex = Assert.Throws <ContainsException>(() => Assert.Contains(42, list));
Assert.Equal("Assert.Contains() failure: Not found: 42", ex.Message);
}
public void IsAssignableFromThrowsExceptionWhenWrongType()
{
AssertException exception =
Assert.Throws <IsAssignableFromException>(
() => Assert.IsAssignableFrom <InvalidCastException>(new InvalidOperationException()));
Assert.Equal("Assert.IsAssignableFrom() Failure", exception.UserMessage);
}
public void When_copmaring_derived_IEquitable_object_Should_equate()
{
EquatableObject baseObj = new EquatableObject();
DerivedEquatableObject derivedObj = new DerivedEquatableObject();
Assert.Equal(baseObj, derivedObj);
Assert.True(baseObj.Equals__Called);
}
public void ContainerIsEmpty()
{
List <int> list = new List <int>();
NotEmptyException ex =
Assert.Throws <NotEmptyException>(() => Assert.NotEmpty(list));
Assert.Equal("Assert.NotEmpty() failure", ex.Message);
}
public void SingleWithMultiItemCollectionThrows()
{
string[] collection = new[] { "Hello", "World!" };
Exception ex = Record.Exception(() => Assert.Single(collection));
Assert.IsType <SingleException>(ex);
Assert.Equal("The collection contained 2 elements instead of 1.", ex.Message);
}
public void SingleWithEmptyCollectionThrows()
{
object[] collection = new object[0];
Exception ex = Record.Exception(() => Assert.Single(collection));
Assert.IsType <SingleException>(ex);
Assert.Equal("The collection contained 0 elements instead of 1.", ex.Message);
}
public void PreservesExpectedAndActual()
{
AssertActualExpectedException ex =
new AssertActualExpectedException(2, 1, null);
Assert.Equal("1", ex.Actual);
Assert.Equal("2", ex.Expected);
Assert.Null(ex.UserMessage);
}
public void NotEqualWithCustomComparer()
{
string expected = "TestString";
string actual = "testString";
Assert.False(actual == expected);
Assert.Equal(expected, actual, StringComparer.CurrentCultureIgnoreCase);
Assert.NotEqual(expected, actual, StringComparer.CurrentCulture);
}
public void EqualsString()
{
string testString = "Test String";
string expected = testString;
string actual = testString;
Assert.True(actual == expected);
Assert.Equal(expected, actual);
}
public void SingleWithSingleItemCollectionReturnsTheItem()
{
ArrayList collection = new ArrayList {
"Hello"
};
object result = Assert.Single(collection);
Assert.Equal("Hello", result);
}
public void IsNotEmpty()
{
List <int> list = new List <int>();
list.Add(42);
EmptyException ex = Assert.Throws <EmptyException>(() => Assert.Empty(list));
Assert.Equal("Assert.Empty() failure", ex.Message);
}
public void EqualsUInt64()
{
ulong valueType = 35;
UInt64 referenceValue = 35;
Assert.True(valueType == referenceValue);
Assert.Equal(referenceValue, valueType);
Assert.Equal <ulong>(valueType, 35);
Assert.Equal <ulong>(referenceValue, 35);
}
public void When_comparing_object_with_overriden_equality_behavior_to_derived_object_Should_use_overriden_behavior()
{
var obj = new CustomEqualityObject();
var derivedObj = new DerivedCustomEqualityObject();
Assert.Equal(obj, derivedObj);
Assert.True(obj.EqualsCalled);
Assert.Equal(obj.EqualsCalledOn, derivedObj);
}