public void TargetTest ()
{
DebuggerDisplayAttribute dda;
dda = new DebuggerDisplayAttribute (null);
Assert.AreEqual (string.Empty, dda.Value, "A1");
Assert.IsNull (dda.Target, "A2");
Assert.IsNull (dda.TargetTypeName, "A3");
Assert.AreEqual (string.Empty, dda.Type, "A4");
Assert.AreEqual (string.Empty, dda.Name, "A4");
dda.Target = typeof(string);
Assert.AreEqual (string.Empty, dda.Value, "B1");
Assert.IsNotNull (dda.Target, "B2");
Assert.AreSame (typeof(string), dda.Target, "B2-b");
Assert.AreEqual (typeof (string).AssemblyQualifiedName, dda.TargetTypeName, "B3");
Assert.AreEqual (string.Empty, dda.Type, "B4");
Assert.AreEqual (string.Empty, dda.Name, "B4");
try {
dda.Target = null;
Assert.Fail ("Excepted ArgumentNullException, got no exception.");
} catch (ArgumentNullException) {
}
}
public void TargetTypeNameTest ()
{
DebuggerDisplayAttribute dda;
dda = new DebuggerDisplayAttribute (null);
Assert.AreEqual (string.Empty, dda.Value, "A1");
Assert.IsNull (dda.Target, "A2");
Assert.IsNull (dda.TargetTypeName, "A3");
Assert.AreEqual (string.Empty, dda.Type, "A4");
Assert.AreEqual (string.Empty, dda.Name, "A4");
dda.TargetTypeName = "System.String";
Assert.AreEqual (string.Empty, dda.Value, "B1");
Assert.IsNull (dda.Target, "B2");
Assert.AreEqual ("System.String", dda.TargetTypeName, "B3");
Assert.AreEqual (string.Empty, dda.Type, "B4");
Assert.AreEqual (string.Empty, dda.Name, "B4");
dda.TargetTypeName = null;
Assert.AreEqual (string.Empty, dda.Value, "C1");
Assert.IsNull (dda.Target, "C2");
Assert.IsNull (dda.TargetTypeName, "C3");
Assert.AreEqual (string.Empty, dda.Type, "C4");
Assert.AreEqual (string.Empty, dda.Name, "C4");
dda.TargetTypeName = string.Empty;
Assert.AreEqual (string.Empty, dda.Value, "D1");
Assert.IsNull (dda.Target, "D2");
Assert.AreEqual (string.Empty, dda.TargetTypeName, "D3");
Assert.AreEqual (string.Empty, dda.Type, "D4");
Assert.AreEqual (string.Empty, dda.Name, "D4");
}
public void ConstructorTest ()
{
DebuggerDisplayAttribute dda;
dda = new DebuggerDisplayAttribute (null);
Assert.AreEqual (string.Empty, dda.Value, "A1");
Assert.IsNull (dda.Target, "A2");
Assert.IsNull (dda.TargetTypeName, "A3");
Assert.AreEqual (string.Empty, dda.Type, "A4");
Assert.AreEqual (string.Empty, dda.Name, "A4");
dda = new DebuggerDisplayAttribute ("abc");
Assert.AreEqual ("abc", dda.Value, "B1");
Assert.IsNull (dda.Target, "B2");
Assert.IsNull (dda.TargetTypeName, "B3");
Assert.AreEqual (string.Empty, dda.Type, "B4");
Assert.AreEqual (string.Empty, dda.Name, "B4");
}
public static EE.EvaluationResult HandleDebuggerDisplay(Interpreter interpreter,
Thread thread,
TargetStructObject instance,
DebuggerDisplayAttribute attr,
int timeout, out string name,
out string type)
{
ScriptingContext expr_context = new ScriptingContext (interpreter);
expr_context.CurrentThread = thread;
expr_context.CurrentLanguage = instance.Type.Language;
expr_context.ImplicitInstance = instance;
EE.EvaluationResult result = expr_context.HandleDebuggerDisplay (
thread, instance, attr.Value, timeout, out name);
if (result != EE.EvaluationResult.Ok) {
type = null;
return result;
}
if (String.IsNullOrEmpty (attr.Type)) {
type = null;
return EE.EvaluationResult.Ok;
}
return expr_context.HandleDebuggerDisplay (
thread, instance, attr.Type, timeout, out type);
}
internal static void CheckCustomAttributes(Cecil.ICustomAttributeProvider type,
out DebuggerBrowsableState? browsable_state,
out DebuggerDisplayAttribute debugger_display,
out DebuggerTypeProxyAttribute type_proxy,
out bool is_compiler_generated)
{
browsable_state = null;
debugger_display = null;
type_proxy = null;
is_compiler_generated = false;
foreach (Cecil.CustomAttribute cattr in type.CustomAttributes) {
string cname = cattr.Constructor.DeclaringType.FullName;
if (cname == cgen_attr) {
is_compiler_generated = true;
} else if (cname == debugger_display_attr) {
string text = (string) cattr.ConstructorArguments [0].Value;
debugger_display = new DebuggerDisplayAttribute (text);
foreach (var named_arg in cattr.Properties) {
string key = named_arg.Name;
if (key == "Name")
debugger_display.Name = (string) named_arg.Argument.Value;
else if (key == "Type")
debugger_display.Type = (string) named_arg.Argument.Value;
else {
debugger_display = null;
break;
}
}
} else if (cname == browsable_attr) {
browsable_state = (DebuggerBrowsableState) cattr.GetBlob () [2];
} else if (cname == type_proxy_attr) {
string text = (string) cattr.ConstructorArguments [0].Value;
type_proxy = new DebuggerTypeProxyAttribute (text);
}
}
}