Formalizing (web) standards: An application of test and proof
Brucker, AD; Herzberg, M
Date: 2 June 2018
Conference proceedings
Publisher
Springer Verlag (Germany)
Publisher DOI
Abstract
Most popular technologies are based on informal or semi-formal standards that lack a rigid formal semantics. Typical examples include web technologies such as the DOM or HTML, which are defined by the Web Hypertext Application Technology Working Group (WHATWG) and the World Wide Web Consortium (W3C). While there might be API specifications ...
Most popular technologies are based on informal or semi-formal standards that lack a rigid formal semantics. Typical examples include web technologies such as the DOM or HTML, which are defined by the Web Hypertext Application Technology Working Group (WHATWG) and the World Wide Web Consortium (W3C). While there might be API specifications and test cases meant to assert the compliance of implementations, the actual standard is rarely accompanied by a formal model that would lend itself for, e.g., verifying the security or safety properties of real systems. Even when such a formalization of a standard exists, two important questions arise: first, to what extent does the formal model comply with the standard and, second, to what extent does a concrete implementation comply with the formal model and the assumptions made during the verification of certain properties? In this paper, we present an approach that brings all three involved artifacts—the (semi-)formal standard, the formalization of the standard, and the implementations—closer together by combining verification, symbolic execution, and specification-based testing.
Computer Science
Faculty of Environment, Science and Economy
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