{"id":157694,"date":"2008-04-01T00:00:00","date_gmt":"2008-04-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/pex-white-box-test-generation-for-net\/"},"modified":"2018-10-16T19:59:54","modified_gmt":"2018-10-17T02:59:54","slug":"pex-white-box-test-generation-for-net","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/pex-white-box-test-generation-for-net\/","title":{"rendered":"Pex &#8211; White Box Test Generation for .NET"},"content":{"rendered":"<div class=\"asset-content\">\n<p>Pex automatically produces a small test suite with high code coverage for a .NET program. To this end, Pex performs a systematic program analysis (using dynamic symbolic execution, similar to path-bounded model-checking) to determine test inputs for Parameterized Unit Tests. Pex learns the program behavior by monitoring execution traces. Pex uses a constraint solver to produce new test inputs which exercise different program behavior. The result is an automatically generated small test suite which often achieves high code coverage. In one case study, we applied Pex to a core component of the .NET runtime which had already been extensively tested over several years. Pex found errors, including a serious issue.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pex automatically produces a small test suite with high code coverage for a .NET program. To this end, Pex performs a systematic program analysis (using dynamic symbolic execution, similar to path-bounded model-checking) to determine test inputs for Parameterized Unit Tests. Pex learns the program behavior by monitoring execution traces. Pex uses a constraint solver to [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","footnotes":""},"msr-content-type":[3],"msr-research-highlight":[],"research-area":[13560],"msr-publication-type":[193716],"msr-product-type":[],"msr-focus-area":[],"msr-platform":[],"msr-download-source":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-157694","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-programming-languages-software-engineering","msr-locale-en_us"],"msr_publishername":"Springer Verlag","msr_edition":"Proc. of Tests and Proofs (TAP'08)","msr_affiliation":"","msr_published_date":"2008-04-01","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"","msr_pages_string":"134\u2013153","msr_chapter":"","msr_isbn":"","msr_journal":"","msr_volume":"4966","msr_number":"","msr_editors":"","msr_series":"LNCS","msr_issue":"","msr_organization":"","msr_how_published":"","msr_notes":"","msr_highlight_text":"","msr_release_tracker_id":"","msr_original_fields_of_study":"","msr_download_urls":"","msr_external_url":"","msr_secondary_video_url":"","msr_longbiography":"","msr_microsoftintellectualproperty":1,"msr_main_download":"225757","msr_publicationurl":"","msr_doi":"10.1007\/978-3-540-79124-9_10","msr_publication_uploader":[{"type":"file","title":"fulltext.pdf","viewUrl":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2008\/04\/fulltext.pdf","id":225757,"label_id":0},{"type":"doi","title":"10.1007\/978-3-540-79124-9_10","viewUrl":false,"id":false,"label_id":0}],"msr_related_uploader":"","msr_attachments":[{"id":225757,"url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2008\/04\/fulltext.pdf"}],"msr-author-ordering":[{"type":"user_nicename","value":"nikolait","user_id":33102,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=nikolait"},{"type":"user_nicename","value":"jhalleux","user_id":32253,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=jhalleux"}],"msr_impact_theme":[],"msr_research_lab":[],"msr_event":[],"msr_group":[],"msr_project":[170993,169746],"publication":[],"video":[],"download":[],"msr_publication_type":"inproceedings","related_content":{"projects":[{"ID":170993,"post_title":"Tools for Software Engineers","post_name":"tools-for-software-engineers","post_type":"msr-project","post_date":"2012-06-29 06:20:39","post_modified":"2021-11-12 09:09:39","post_status":"publish","permalink":"https:\/\/www.microsoft.com\/en-us\/research\/project\/tools-for-software-engineers\/","post_excerpt":"The mission of Microsoft's One Engineering System (formerly known as Tools for Software Engineers) team is to enable the world's best product engineering teams with world-class tools and systems that help them ship products their customers love. 1ES provides tools and services to cover the full spectrum of the engineering life-cycle, from the developer desktop to product deployment. 1ES focuses on engineering solutions that mitigate the unique scale challenges that Microsoft teams face, both in&hellip;","_links":{"self":[{"href":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/wp\/v2\/msr-project\/170993"}]}},{"ID":169746,"post_title":"Pex and Moles - Isolation and White Box Unit Testing for .NET","post_name":"pex-and-moles-isolation-and-white-box-unit-testing-for-net","post_type":"msr-project","post_date":"2007-02-21 17:06:41","post_modified":"2017-06-02 11:21:12","post_status":"publish","permalink":"https:\/\/www.microsoft.com\/en-us\/research\/project\/pex-and-moles-isolation-and-white-box-unit-testing-for-net\/","post_excerpt":"Pex automatically generates test suites with high code coverage using automated white box analysis. 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