A Technique for Agile and Automatic Interaction Testing for Product Lines

Part 2: Testing in PracticeInternational audienceProduct line developers must ensure that existing and new features work in all products. Adding to or changing a product line might break some of its features. In this paper, we present a technique for automatic and agile interaction testing for product lines. The technique enables developers to know if features work together with other features in a product line, and it blends well into a process of continuous integration. The technique is evaluated with two industrial applications, testing a product line of safety devices and the Eclipse IDEs. The first case shows how existing test suites are applied to the products of a 2-wise covering array to identify two interaction faults. The second case shows how over 400,000 test executions are performed on the products of a 2-wise covering array using over 40,000 existing automatic tests to identify potential interactions faults

Extraction, analysis and interpretation of intracrystalline amino acids from fossils

A new protocol for the extraction and analysis of intracrystalline macromolecules has been developed that allows the rapid determination of the amino-acid composition of fossils. The technique utilizes decalcification with 2 M HCI, characterization of the soluble fraction of the biomolecules by automated amino-acid analysis, and differentiation using multivariate statistics. Compared to other methods, this technique allows sampling of indigenous degraded proteins in addition to the preserved remains of peptides, leading to the recovery of data from more reliable indigenous sources. Although the extraction method is demonstrated using fossil samples to demonstrate gross phylogenetic differences, there is much potential to use these biomolecules for a wide range of application

Is the January effect still alive in the futures markets?

January effect, Futures markets, Small capitalized stocks, G12, G14,