public void TestIntersect()
{
var constraint = new Constraint {NotBefore = new ImplementationVersion("1"), Before = new ImplementationVersion("2")};
Assert.AreEqual(new VersionRange("1..!2"), new VersionRange().Intersect(constraint));
Assert.AreEqual(new VersionRange("1..!2"), new VersionRange("..!3").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("2..!3").Intersect(constraint));
Assert.AreEqual(new VersionRange("1"), new VersionRange("1").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("3").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("2").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("0").Intersect(constraint));
Assert.AreEqual(new VersionRange("1..!2"), new VersionRange("!3").Intersect(constraint));
Assert.AreEqual(new VersionRange("1..!2"), new VersionRange("!2").Intersect(constraint));
Assert.AreEqual(new VersionRange("1..!2"), new VersionRange("!0").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("!1").Intersect(constraint));
constraint = new Constraint {Before = new ImplementationVersion("2")};
Assert.AreEqual(new VersionRange("..!2"), new VersionRange().Intersect(constraint));
Assert.AreEqual(new VersionRange("..!2"), new VersionRange("..!3").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("2..!3").Intersect(constraint));
Assert.AreEqual(new VersionRange("1"), new VersionRange("1").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("3").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("2").Intersect(constraint));
Assert.AreEqual(new VersionRange("..!2"), new VersionRange("!3").Intersect(constraint));
Assert.AreEqual(new VersionRange("..!2"), new VersionRange("!2").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("!1").Intersect(constraint));
constraint = new Constraint {NotBefore = new ImplementationVersion("1")};
Assert.AreEqual(new VersionRange("1.."), new VersionRange().Intersect(constraint));
Assert.AreEqual(new VersionRange("1..!3"), new VersionRange("..!3").Intersect(constraint));
Assert.AreEqual(new VersionRange("2..!3"), new VersionRange("2..!3").Intersect(constraint));
Assert.AreEqual(new VersionRange("1"), new VersionRange("1").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("0").Intersect(constraint));
Assert.AreEqual(new VersionRange("1.."), new VersionRange("!0").Intersect(constraint));
Assert.AreEqual(VersionRange.None, new VersionRange("!1").Intersect(constraint));
}
/// <summary> /// Display Expected and Actual lines for a constraint. This /// is called by MessageWriter's default implementation of /// WriteMessageTo and provides the generic two-line display. /// </summary> /// <param name="constraint">The constraint that failed</param> public abstract void DisplayDifferences(Constraint constraint);
/// <summary>
/// Apply a constraint to an actual value, succeedingt if the constraint
/// is satisfied and throwing an assertion exception on failure.
/// </summary>
/// <param name="constraint">A Constraint to be applied</param>
/// <param name="actual">The actual value to test</param>
/// <param name="message">The message that will be displayed on failure</param>
/// <param name="args">Arguments to be used in formatting the message</param>
static public void That(object actual, Constraint constraint, string message, params object[] args)
{
Assert.IncrementAssertCount();
if (!constraint.Matches(actual))
{
MessageWriter writer = new TextMessageWriter(message, args);
constraint.WriteMessageTo(writer);
throw new AssertionException(writer.ToString());
}
}
/// <summary>
/// Apply a constraint to an actual value, succeeding if the constraint
/// is satisfied and throwing an assertion exception on failure.
/// </summary>
/// <param name="constraint">A Constraint to be applied</param>
/// <param name="actual">The actual value to test</param>
static public void That(object actual, Constraint constraint)
{
Assert.That(actual, constraint, null, null);
}
/// <summary>
/// Apply a constraint to an actual value, succeedingt if the constraint
/// is satisfied and throwing an assertion exception on failure.
/// </summary>
/// <param name="constraint">A Constraint to be applied</param>
/// <param name="actual">The actual value to test</param>
/// <param name="message">The message that will be displayed on failure</param>
static public void That(object actual, Constraint constraint, string message)
{
Assert.That(actual, constraint, message, null);
}
public NotConstraint (Constraint constraint)
{
this.constraint = constraint;
}
/// <summary>
/// Write the generic 'Actual' line for a constraint
/// </summary>
/// <param name="constraint">The constraint for which the actual value is to be written</param>
private void WriteActualLine(Constraint constraint)
{
Write(Pfx_Actual);
constraint.WriteActualValueTo(this);
WriteLine();
}
/// <summary>
/// Write the generic 'Expected' line for a constraint
/// </summary>
/// <param name="constraint">The constraint that failed</param>
private void WriteExpectedLine(Constraint constraint)
{
Write(Pfx_Expected);
constraint.WriteDescriptionTo(this);
WriteLine();
}
/// <summary>
/// Display Expected and Actual lines for a constraint. This
/// is called by MessageWriter's default implementation of
/// WriteMessageTo and provides the generic two-line display.
/// </summary>
/// <param name="constraint">The constraint that failed</param>
public override void DisplayDifferences(Constraint constraint)
{
WriteExpectedLine(constraint);
WriteActualLine(constraint);
}
public void TestIntersect()
{
var constraint = new Constraint {NotBefore = new ImplementationVersion("1"), Before = new ImplementationVersion("2")};
new VersionRange().Intersect(constraint).Should().Be(new VersionRange("1..!2"));
new VersionRange("..!3").Intersect(constraint).Should().Be(new VersionRange("1..!2"));
new VersionRange("2..!3").Intersect(constraint).Should().Be(VersionRange.None);
new VersionRange("1").Intersect(constraint).Should().Be(new VersionRange("1"));
new VersionRange("3").Intersect(constraint).Should().Be(VersionRange.None);
new VersionRange("2").Intersect(constraint).Should().Be(VersionRange.None);
new VersionRange("0").Intersect(constraint).Should().Be(VersionRange.None);
new VersionRange("!3").Intersect(constraint).Should().Be(new VersionRange("1..!2"));
new VersionRange("!2").Intersect(constraint).Should().Be(new VersionRange("1..!2"));
new VersionRange("!0").Intersect(constraint).Should().Be(new VersionRange("1..!2"));
new VersionRange("!1").Intersect(constraint).Should().Be(VersionRange.None);
constraint = new Constraint {Before = new ImplementationVersion("2")};
new VersionRange().Intersect(constraint).Should().Be(new VersionRange("..!2"));
new VersionRange("..!3").Intersect(constraint).Should().Be(new VersionRange("..!2"));
new VersionRange("2..!3").Intersect(constraint).Should().Be(VersionRange.None);
new VersionRange("1").Intersect(constraint).Should().Be(new VersionRange("1"));
new VersionRange("3").Intersect(constraint).Should().Be(VersionRange.None);
new VersionRange("2").Intersect(constraint).Should().Be(VersionRange.None);
new VersionRange("!3").Intersect(constraint).Should().Be(new VersionRange("..!2"));
new VersionRange("!2").Intersect(constraint).Should().Be(new VersionRange("..!2"));
new VersionRange("!1").Intersect(constraint).Should().Be(VersionRange.None);
constraint = new Constraint {NotBefore = new ImplementationVersion("1")};
new VersionRange().Intersect(constraint).Should().Be(new VersionRange("1.."));
new VersionRange("..!3").Intersect(constraint).Should().Be(new VersionRange("1..!3"));
new VersionRange("2..!3").Intersect(constraint).Should().Be(new VersionRange("2..!3"));
new VersionRange("1").Intersect(constraint).Should().Be(new VersionRange("1"));
new VersionRange("0").Intersect(constraint).Should().Be(VersionRange.None);
new VersionRange("!0").Intersect(constraint).Should().Be(new VersionRange("1.."));
new VersionRange("!1").Intersect(constraint).Should().Be(VersionRange.None);
}