public static void WithUsingFuncAndAction()
{
var original = Guid.NewGuid().ToString();
var newValue = Guid.NewGuid().ToString();
using var writer = new TestWriter();
writer.Write(original);
var builder = new StringBuilder();
using (var stringWriter = new StringWriter(builder))
{
using (stringWriter.With(
() => writer.Writer, (value) => writer.Writer = value))
{
writer.Write(newValue);
}
}
Assert.Multiple(() =>
{
Assert.That(builder.ToString(), Is.EqualTo(newValue), nameof(builder));
Assert.That(writer.Writer.GetStringBuilder().ToString(), Is.EqualTo(original), nameof(writer));
});
}
public void WithUsingFuncAndAction()
{
var generator = new RandomObjectGenerator();
var original = generator.Generate<string>();
var newValue = generator.Generate<string>();
using (var writer = new TestWriter())
{
writer.Write(original);
var builder = new StringBuilder();
using (new StringWriter(builder).With(
() => writer.Writer, (value) => writer.Writer = value))
{
writer.Write(newValue);
}
Assert.AreEqual(newValue, builder.ToString());
Assert.AreEqual(original, writer.Writer.GetStringBuilder().ToString());
}
}