public void Format_should_separate_groups_properly_when_formatting_with_custom_match(string testInput, string[] inputUsingNamespaces, string[] expectedOutputNamespaces)
{
// Arrange
var inputUsings = inputUsingNamespaces.Select(ns => new UsingStatement()
{
Namespace = ns
});
var rule = GroupingRule.Parse(testInput).Single();
var output = new OutputBuffer();
// Act
rule.Format(output, inputUsings);
// Assert
var expectedUsings = expectedOutputNamespaces.Select(ns => (ns == "") ? "" : $"using {ns};");
output
.GetLines()
.Zip(expectedUsings)
.Apply(
((string Actual, string Expected)pair, int index) =>
{
pair.Actual.Should().Be(pair.Expected, because: $"line {index} should match");
});