public void WriteDescriptionTo_StringValue(bool isMatch)
{
var expectedValue = "hello";
var actualValue = isMatch ? expectedValue : "world";
var constraint = new ObjectTreeEqualConstraint(expectedValue);
Assert.AreEqual(isMatch, constraint.Matches(actualValue));
var writer = new TextMessageWriter();
constraint.WriteDescriptionTo(writer);
var expectedMessage = $"<LatticeObjectTree.ObjectTree> with root \"{expectedValue}\"";
Assert.AreEqual(expectedMessage, writer.ToString());
}
