/// <summary>
/// Check if the original keywords are found.
/// </summary>
public override void ValidatePreModification (Image.File file) {
if (!tag_present) {
Assert.IsNull (file.GetTag (type, false));
} else {
Assert.IsNotNull (file.GetTag (type, false));
base.ValidatePreModification (file);
}
}
public override Image.ImageTag GetTag (Image.File file) {
return file.GetTag (type, false) as Image.ImageTag;
}
/// <summary>
/// Creates the tag if needed.
/// </summary>
public override void ModifyMetadata (Image.File file) {
if (!tag_present)
file.GetTag (type, true);
base.ModifyMetadata (file);
}
/// <summary>
/// Validates if changes survived a write.
/// </summary>
public void ValidatePostModification (Image.File file) {
Assert.IsNotNull (file.GetTag (TagTypes.XMP, false));
Assert.AreEqual (test_keywords, GetTag (file).Keywords);
}