public void ApplyTo_EnumerableWithMatchingCount_True()
{
IEnumerable e = new[] { 1, 2, 3 }.Where(i => i <= 2);
var subject = new EnumerableCountConstraint(Is.EqualTo(2));
Assert.That(matches(subject, e), Is.True);
}
public void ApplyTo_EnumerableWithNotMatchingCount_False()
{
IEnumerable e = new[] { 1, 2, 3 }.Where(i => i <= 2);
var subject = new EnumerableCountConstraint(Is.GreaterThan(4));
Assert.That(matches(subject, e), Is.False);
}
public void WriteMessageTo_NullEnumerable_ExpectedContainsIEnumerable_ActualConstainsNull()
{
var subject = new EnumerableCountConstraint(null);
Assert.That(getMessage(subject, (IEnumerable)null), Does.
StartWith(TextMessageWriter.Pfx_Expected + "instance of <System.Collections.IEnumerable>").And
.Contains(TextMessageWriter.Pfx_Actual + "null"));
}
public void WriteMessageTo_EnumerableWithNotMatchingCount_ExpectedContainsCount_ActualContainsCollectionValues()
{
IEnumerable e = new[] { '1', '2', '3' }.Where(i => i <= '2');
var subject = new EnumerableCountConstraint(Is.GreaterThan(4));
Assert.That(getMessage(subject, e), Does
.StartWith(TextMessageWriter.Pfx_Expected + "number of elements greater than 4").And
.Contains(TextMessageWriter.Pfx_Actual + "2 -> < '1', '2' >"));
}
public void WriteMessageTo_NotAnEnumerable_ExpectedEnumerable_ActualContainsTypeAndValue()
{
var subject = new EnumerableCountConstraint(null);
Assert.That(getMessage(subject, ConsoleColor.Black), Does
.StartWith(TextMessageWriter.Pfx_Expected + "instance of <System.Collections.IEnumerable>").And
.Contains(TextMessageWriter.Pfx_Actual + "instance of <System.ConsoleColor>").And
.Contains("Black"));
}
public void ApplyTo_NullEnumerable_False()
{
var subject = new EnumerableCountConstraint(null);
Assert.That(matches(subject, (IEnumerable)null), Is.False);
}
public void ApplyTo_EnumerableWithNotMatchingCount_False()
{
IEnumerable e = new[] { 1, 2, 3 }.Where(i => i <= 2);
var subject = new EnumerableCountConstraint(Is.GreaterThan(4));
Assert.That(matches(subject, e), Is.False);
}
public void ApplyTo_EnumerableWithMatchingCount_True()
{
IEnumerable e = new[] { 1, 2, 3 }.Where(i => i <= 2);
var subject = new EnumerableCountConstraint(Is.EqualTo(2));
Assert.That(matches(subject, e), Is.True);
}
public void WriteMessageTo_NullEnumerable_ExpectedContainsIEnumerable_ActualConstainsNull()
{
var subject = new EnumerableCountConstraint(null);
Assert.That(getMessage(subject, (IEnumerable)null), Does.
StartWith(TextMessageWriter.Pfx_Expected + "instance of <System.Collections.IEnumerable>").And
.Contains(TextMessageWriter.Pfx_Actual + "null"));
}
public void WriteMessageTo_NotAnEnumerable_ExpectedEnumerable_ActualContainsTypeAndValue()
{
var subject = new EnumerableCountConstraint(null);
Assert.That(getMessage(subject, PlatformID.MacOSX), Does
.StartWith(TextMessageWriter.Pfx_Expected + "instance of <System.Collections.IEnumerable>").And
.Contains(TextMessageWriter.Pfx_Actual + "instance of <System.PlatformID>").And
.Contains("MacOSX"));
}
public void WriteMessageTo_EnumerableWithNotMatchingCount_ExpectedContainsCount_ActualContainsCollectionValues()
{
IEnumerable e = new[] { '1', '2', '3' }.Where(i => i <= '2');
var subject = new EnumerableCountConstraint(Is.GreaterThan(4));
Assert.That(getMessage(subject, e), Does
.StartWith(TextMessageWriter.Pfx_Expected + "number of elements greater than 4").And
.Contains(TextMessageWriter.Pfx_Actual + "2 -> < '1', '2' >"));
}
public void ApplyTo_NullEnumerable_False()
{
var subject = new EnumerableCountConstraint(null);
Assert.That(matches(subject, (IEnumerable)null), Is.False);
}
