RhSolutions.Tests/Tests.cs


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namespace RhSolutions.Tests
{
    [ExcelTestSettings(AddIn = @"..\..\..\..\RhSolutions.AddIn\bin\Debug\net6.0-windows\RhSolutions-AddIn")]
    public class CalculationTests : IDisposable
    {
        Workbook _testWorkbook;

        public CalculationTests()
        {
            // Get hold of the Excel Application object and create a workbook
            _testWorkbook = Util.Application.Workbooks.Add();
        }

        public void Dispose()
        {
            // Clean up our workbook without saving changes
            _testWorkbook.Close(SaveChanges: false);
        }

        [ExcelFact]
        public void NumbersAddCorrectly()
        {
            // We'll just do our test on the first sheet
            var ws = _testWorkbook.Sheets[1];

            // Write two numbers to the active sheet, and a formula that adds them, together
            ws.Range["A1"].Value = 2.0;
            ws.Range["A2"].Value = 3.0;
            ws.Range["A3"].Formula = "= A1 + A2";

            // Read back the value from the cell with the formula
            var result = ws.Range["A3"].Value;

            // Check that we have the expected result
            Assert.Equal(5.0, result);
        }
    }
}