private static IVerificationTarget <bool?> ExpectBooleanValue(
IVerificationTarget <bool?> target,
bool?expectedValue,
FormattableString?message)
{
return(CallbackAssertion.Create(
target,
context =>
{
if (target.Value == expectedValue)
{
return true;
}
var writer = context.Writer;
context.WriteMessage(message);
using (writer.Indent())
{
writer.WriteLine($"Expected: {expectedValue}");
writer.WriteLine($"But was: {target}");
}
return false;
}));
}
/// <summary>
/// Verifies that the given value is not null.
/// </summary>
public static IVerificationTarget <T?> NotNull <T>(
this IVerificationTarget <T?> target,
FormattableString?message = null)
where T : struct
{
return(CallbackAssertion.Create(
target,
context =>
{
if (!target.Value.HasValue)
{
return true;
}
context.WriteMessage(message);
using (context.Writer.Indent())
{
context.Writer.WriteLine($"Expected: not <null>");
context.Writer.WriteLine($"But was: <null>");
}
return false;
}));
}