public static string GetAssertMessage <T>(
IEnumerable <T> expected,
IEnumerable <T> actual,
Func <T, T, bool> comparer = null,
Func <T, string> itemInspector = null,
string itemSeparator = null,
string expectedValueSourcePath = null,
int expectedValueSourceLine = 0)
{
if (itemInspector == null)
{
if (expected is IEnumerable <byte> )
{
itemInspector = b => $"0x{b:X2}";
}
else
{
itemInspector = new Func <T, string>(obj => (obj != null) ? obj.ToString() : "<null>");
}
}
if (itemSeparator == null)
{
if (expected is IEnumerable <byte> )
{
itemSeparator = ", ";
}
else
{
itemSeparator = ",\r\n";
}
}
var message = new StringBuilder();
message.AppendLine();
message.AppendLine("Actual:");
message.AppendLine(string.Join(itemSeparator, actual.Select(itemInspector)));
message.AppendLine();
message.AppendLine("Expected:");
message.AppendLine(string.Join(itemSeparator, expected.Select(itemInspector)));
message.AppendLine();
message.AppendLine("Diff:");
message.Append(DiffUtil.DiffReport(expected, actual, comparer, itemInspector, itemSeparator));
return(message.ToString());
}
public static string GetAssertMessage <T>(IEnumerable <T> expected, IEnumerable <T> actual, IEqualityComparer <T> comparer = null, Func <T, string> toString = null, string separator = ",\r\n")
{
if (toString == null)
{
toString = new Func <T, string>(obj => obj.ToString());
}
var message = new StringBuilder();
message.AppendLine();
message.AppendLine("Actual:");
message.AppendLine(string.Join(separator, actual.Select(toString)));
message.AppendLine("Differences:");
message.AppendLine(DiffUtil.DiffReport(expected, actual, comparer, toString, separator));
return(message.ToString());
}