SIL.FieldWorks.IText.FocusBoxControllerTests.ApproveAndStayPut_NewWordGloss C# (CSharp) Method

		public void ApproveAndStayPut_NewWordGloss()
		{
			var occurrences = SegmentServices.GetAnalysisOccurrences(m_para0_0).ToList();
			m_interlinDoc.SelectOccurrence(occurrences[0]);
			// create a new analysis.
			var initialAnalysisTree = m_focusBox.InitialAnalysis;
			m_focusBox.DoDuringUnitOfWork = () =>
				WordAnalysisOrGlossServices.CreateNewAnalysisTreeGloss(initialAnalysisTree.Wordform);
			var undoRedoText = new MockUndoRedoText("Undo", "Redo");
			m_focusBox.ApproveAndStayPut(undoRedoText);

			// expect change to the first occurrence.
			Assert.AreEqual(m_focusBox.NewAnalysisTree.Gloss, occurrences[0].Analysis);
			// expect the focus box to still be on the first occurrence.
			Assert.AreEqual(occurrences[0], m_focusBox.SelectedOccurrence);

			// test undo.
			Assert.AreEqual(1, Cache.ActionHandlerAccessor.UndoableSequenceCount);
			Cache.ActionHandlerAccessor.Undo();
			Assert.AreEqual(initialAnalysisTree.Analysis, occurrences[0].Analysis);
			// expect the focus box to still be on the first occurrence.
			Assert.AreEqual(occurrences[0], m_focusBox.SelectedOccurrence);
		}