/// <summary>
/// Checks whether we are dealing with a pointer or not.
/// For pointers, it assignes values as Native Visual Studio would do.
/// If we have a pointer to a struct, it calls ExtractChildren(),
/// since the childValue is an empty string.
/// </summary>
static async Task <string> UnwrapPointerValueAsync(IVariableInformation varInfo,
int charactersLeft)
{
string value = await varInfo.ValueAsync();
if (!varInfo.IsPointer)
{
return(value);
}
// For pointers, the assignment value is equal to the memory address and the
// value is the content stored at that location.
string plainValue = varInfo.AssignmentValue;
string memoryAddress = varInfo.GetMemoryAddressAsHex();
string addressPrefix =
FormatSpecifierUtil.SuppressMemoryAddress(varInfo.FormatSpecifier)
? ""
: memoryAddress + " ";
if (value != "" && plainValue != value)
{
return(addressPrefix + value);
}
if (varInfo.IsNullPointer())
{
return(addressPrefix + "<NULL>");
}
return(addressPrefix +
await FormatChildrenListAsync(
varInfo, charactersLeft - $"{addressPrefix}{{}}".Length, "???"));
}
public void GetPropertyInfoPointerValueEqualsAssignmentValue()
{
IVariableInformation mockVarInfoChild = Substitute.For <IVariableInformation>();
mockVarInfoChild.AssignmentValue.Returns("1");
mockVarInfoChild.ValueAsync().Returns("1");
mockVarInfoChild.GetCachedView().Returns(mockVarInfoChild);
mockVarInfo.Error.Returns(false);
mockVarInfo.MightHaveChildren().Returns(true);
mockVarInfo.IsPointer.Returns(true);
mockVarInfo.AssignmentValue.Returns("0xDEADBEEF");
mockVarInfo.ValueAsync().Returns("0xDEADBEEF");
mockVarInfo.GetMemoryAddressAsHex().Returns("0xDEADBEEF");
mockVarInfo.GetChildAdapter()
.Returns(new ListChildAdapter.Factory().Create(new List <IVariableInformation>()
{
mockVarInfoChild
}));
DEBUG_PROPERTY_INFO propertyInfo;
// Display both the pointer value and the value representation.
GetPropertyInfo(
enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_VALUE |
enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_VALUE_AUTOEXPAND, out propertyInfo);
Assert.That(propertyInfo.bstrValue, Is.EqualTo("0xDEADBEEF {1}"));
// Display only the pointer.
GetPropertyInfo(enum_DEBUGPROP_INFO_FLAGS.DEBUGPROP_INFO_VALUE, out propertyInfo);
Assert.That(propertyInfo.bstrValue, Is.EqualTo("0xDEADBEEF"));
}