public void AlwaysFunction() { using (TestHostContext hc = CreateTestContext()) { // Arrange. var variableSets = new[] { new { JobStatus = (TaskResult?)null, Expected = true }, new { JobStatus = (TaskResult?)TaskResult.Canceled, Expected = true }, new { JobStatus = (TaskResult?)TaskResult.Failed, Expected = true }, new { JobStatus = (TaskResult?)TaskResult.Succeeded, Expected = true }, new { JobStatus = (TaskResult?)TaskResult.SucceededWithIssues, Expected = true }, }; foreach (var variableSet in variableSets) { InitializeExecutionContext(hc); _ec.Object.Variables.Agent_JobStatus = variableSet.JobStatus; IExpressionNode condition = _expressionManager.Parse(_ec.Object, "always()"); // Act. bool actual = _expressionManager.Evaluate(_ec.Object, condition).Value; // Assert. Assert.Equal(variableSet.Expected, actual); } } }