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Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670-0

Fax: +49 711 80670-111

E-Mail:

Address for Deliveries:
Motorstr. 56
70499 Stuttgart
Germany

Vector Informatik GmbH

Borsteler Bogen 27

Hamburg

Germany

Phone: +49 40 2020130-0

Fax: +49 40 2020130-20

E-Mail:

Vector Informatik GmbH

Frankfurter Str. 286

38122 Braunschweig

Germany

Phone: +49 531 121990

Fax: +49 531 12199 20

E-Mail:

Vector Consulting Services GmbH

Ingersheimer Str. 20

70499 Stuttgart

Germany

Phone: +49 711 80670 1520

Fax: +49 711 80670 444

E-Mail:

Postal address:
Ingersheimer Str. 24

Vector Informatik GmbH

Philipp-Reis-Str. 1

76137 Karlsruhe

Germany

Phone: +49 721 91430 100

Fax: +49 721 91430 101

E-Mail:

Vector Informatik GmbH

Otto-Hahn-Str. 20

85609 Aschheim

Germany

Phone: +49 89 94384220

Fax: +49 711 80670-111

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Vector Informatik GmbH

Franz-Mayer-Str. 8

93053 Regensburg

Germany

Phone: +49 941 208650

Fax: +49 941 20865 111

E-Mail:

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670 500

Fax: +49 711 80670 555

E-Mail:

Technical Sales Embedded Software and AUTOSAR

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670 400

Fax: +49 711 80670 425

E-Mail:

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670 200

Fax: +49 711 80670-111

E-Mail:

Business hours: Monday to Friday from 8:30 am to 5:00 pm (CET/CEST).

Online: https://portal.vector.com

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670 5050

Fax: +49 711 80670-111

E-Mail:

Vector Informatik GmbH

Ingersheimer Str. 24

70499 Stuttgart

Germany

Phone: +49 711 80670 5770

Fax: +49 711 80670 333

E-Mail:

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670-5050

Fax: +49 711 80670-111

E-Mail:

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670-0

Fax: +49 711 80670-111

E-Mail:

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670 4618

Fax: +49 711 80670 499

E-Mail:

Your contact:
Katja Hahmann
Manager Customer Projects for CANoe and automated Test Systems

Vector Informatik GmbH

Baierbrunner Str. 23

81379 Munich

Germany

Phone: +49 89 74 7377-0

Fax: +49 89 74 7377-99

E-Mail:

Vector Austria GmbH

Millennium Tower, Etage 41
Handelskai 94-96

1200 Vienna

Austria

Phone: +43 1 90160 0

Fax: +43 1 90160 35

E-Mail:

Vector Austria GmbH

Millennium Tower, Etage 41
Handelskai 94-96

1200 Vienna

Austria

Phone: +43 1 90160 55

Fax: +43 1 90160 9955

E-Mail:

Vector Austria GmbH

Millennium Tower, Etage 41
Handelskai 94-96

1200 Vienna

Austria

Phone: +43 1 90160 40

Fax: +43 1 90160 9940

E-Mail:

Vector Austria GmbH

Millennium Tower, Etage 41
Handelskai 94-96

1200 Vienna

Austria

Phone: +43 1 90160 0

Fax: +43 1 90160 35

E-Mail:

Vector North America

39500 Orchard Hill Place
Suite 500

Novi, Michigan 48375

USA

Phone: +1 248 449-9290

Fax: +1 248 449-9704

E-Mail:

Operational sales automotive

Vector North America

39500 Orchard Hill Place
Suite 500

Novi, Michigan 48375

USA

Phone: +1 248-449-9290, Option 3

Fax: +1 248 449-9704

E-Mail:

Vector North America

39500 Orchard Hill Place
Suite 500

Novi, Michigan 48375

USA

Phone: +1 248 449 9290 Option 1

Fax: +1 248 449-9704

E-Mail:

Vector North America

39500 Orchard Hill Place
Suite 500

Novi, Michigan 48375

USA

Phone: +1 248 449 9290 Option 2

Fax: +1 248 449-9704

E-Mail:

Vector GB Ltd.

2480 Regents Court
The Crescent
Birmingham Business Park

West Midlands B37 7YE

United Kingdom

Phone: +44 121 788 7900

E-Mail:

VAT No.: GB 941 2528 36
Registered in England Number 06699692

Vector GB Ltd.

2480 Regents Court
The Crescent
Birmingham Business Park

West Midlands B37 7YE

United Kingdom

Phone: +44 121 788 7900

E-Mail:

Vector GB Ltd.

2480 Regents Court
The Crescent
Birmingham Business Park

West Midlands B37 7YE

United Kingdom

Phone: +44 121 788 7901

Fax: --

E-Mail:

Vector GB Ltd.

2480 Regents Court
The Crescent
Birmingham Business Park

West Midlands B37 7YE

United Kingdom

Phone: +44 121 788 7900

Fax: --

E-Mail:

Vector Japan Co. Ltd.

Seafort Square Center Bldg.
2-3-12 Higashi-shinagawa, Shinagawa-ku

Tokyo 140-0002

Japan

Phone: +81 3 4586 1800

Fax: +81 3 4586 1830

E-Mail:

Vector Japan Co. Ltd.

Global Gate,
4-60-12 Hiraike-cho, Nakamura-ku, Nagoya-shi

Aichi, 453-6110

Japan

Phone: +81 52 770 7170

Fax: +81 52 770 7190

E-Mail:

Vector Japan Co. Ltd.

Cent Urban Bldg. 4F
3-23-15 Nishinakajima, Yodogawa-ku, Osaka-shi

Osaka 532-0011

Japan

Phone: +81 6 6829 6446

Fax: --

E-Mail:

Vector Japan Co. Ltd.

東京都品川区東品川2-3-12 シーフォートスクエア センタービル

〒140-0002

Japan

Phone: +81 3 4586 1800

Fax: +81 3 4586 1830

E-Mail:

Vector Japan Co. Ltd.

愛知県名古屋市中村区平池町4-60-12 グローバルゲート

〒453-6110

Japan

Phone: +81 52 770 7170

Fax: +81 52 770 7190

E-Mail:

Vector Japan Co. Ltd.

Seafort Square Center Bldg.
2-3-12 Higashi-shinagawa, Shinagawa-ku

Tokyo 140-0002

Japan

Phone: +81 3 4586 1800

Fax: +81 3 4586 1830

E-Mail:

Vector Japan Co. Ltd.

Tokyo Seafort Square Center Building
2-3-12 Higashi-Shinagawa, Shinagawa-ku

Tokyo 140-0002

Japan

Phone: +81 3 4586 1810

Fax: +81 3 4586 1830

E-Mail:

Online: https://portal.vector.com

Please refer to the following for reception hours:
- Phone 10-12 / 13-17 (Mo-Fr, excl. holidays)
- E-mail, fax / 24 hours at any time

Vector Japan Co. Ltd.

Seafort Square Center Bldg.
2-3-12 Higashi-shinagawa, Shinagawa-ku

Tokyo 140-0002

Japan

Phone: +81 3 4586 1800

Fax: +81 3 4586 1830

E-Mail:

Vector Japan Co.Ltd...

Seafort Square Center Bldg.
2-3-12 Higashi-shinagawa, Shinagawa-ku

Tokyo 140-0002

Japan

Phone: +81 3 4586 1800

Fax: +81 3 4586 1830

E-Mail:

Vector Automotive Technology (Shanghai) Co., Ltd.

Sunyoung Center
Room 2701-2703, No.398 Jiang Su Road
Changning District

Shanghai 200050

China

Phone: +86 21 2283 4688

E-Mail:

Vector Automotive Technology (Shanghai) Co., Ltd.

801, 8th Floor, Indigo Plaza,
No.20 Jiuxianqiao Road,
Chaoyang District

Beijing 100016

China

Phone: +86 10 8432 8600

E-Mail:

Vector Automotive Technology (Shanghai) Co., Ltd.

Sunyoung Center
Room 2701-2703, No.398 Jiang Su Road
Changning District

Shanghai 200050

China

Phone: +86 21 2283 4688

E-Mail:

Vector Automotive Technology (Shanghai) Co., Ltd.

Sunyoung Center
Room 2701-2703, No.398 Jiang Su Road
Changning District

Shanghai 200050

China

Phone: +86 21 2283 4688

E-Mail:

Vector Automotive Technology (Shanghai) Co., Ltd.

Sunyoung Center
Room 2701-2703, No.398 Jiang Su Road
Changning District

Shanghai 200050

China

Phone: +86 21 2283 4688

E-Mail:

Vector Automotive Technology (Shanghai) Co., Ltd.

Sunyoung Center
Room 2701-2703, No.398 Jiang Su Road
Changning District

Shanghai 200050

China

Phone: +86 21 2283 4688

E-Mail:

Vector Automotive Technology (Shanghai) Co., Ltd.

Room 1008, Galaxy Development Building, No. 18, Zhongxin 5th Road
Futian District

Shenzhen 518048

China

Phone: +86 21 2283 4628

E-Mail:

Vector Korea IT Inc.

9F, Yongsan Prugio Summit Office-dong,
69, Hangang-daero, Yongsan-gu

Seoul 04378

Korea

Phone: +82 2 807 0600

Fax: +82 2 807 0601

E-Mail:

Vector Korea IT Inc.

9F, Yongsan Prugio Summit Office-dong,
69, Hangang-daero, Yongsan-gu

Seoul 04378

Korea

Phone: +82 2 807 0600 Ext.1

Fax: +82 2 807 0601

E-Mail:

Vector Korea IT Inc.

용산구 한강대로 69 용산 푸르지오 써밋 업무동 9층

서울 04378

Korea

Phone: +82 2 807 0600 Ext.4

Fax: +82 2 807 0601

E-Mail:

Vector Korea IT Inc.

9F, Yongsan Prugio Summit Office-dong,
69, Hangang-daero, Yongsan-gu

Seoul 04378

Korea

Phone: +82 2 807 0600 Ext.2

Fax: +82 2 807 0601

E-Mail:

Vector Korea IT Inc.

602, Yongsan Prugio Summit Office-dong

Seoul 04378

Korea

Phone: +82 2 807 0600 Ext.3

Fax: +82 2 807 0601

E-Mail:

Vector Italia s.r.l.

Corso Sempione 68

20154 Milano

Italy

Phone: +39 02678171 10

Fax: +39 02678171 35

E-Mail:

Vector Italia s.r.l.

Corso Sempione 68

20154 Milano

Italy

Phone: +39 02678171 70

Fax: +39 02678171 35

E-Mail:

Business hours: Monday to Friday from 9:00 am to 6:00 pm (CET/CEST).

Online: https://portal.vector.com

Vector Italia s.r.l.

Corso Sempione 68

20154 Milano

Italy

Phone: +39 02678171 10

Fax: +39 02678171 35

E-Mail:

Vector Italia s.r.l.

Corso Sempione 68

20154 Milano

Italy

Phone: +39 02678171 10

E-Mail:

Vector Informática Brasil Ltda.

Rua Verbo Divino 1488, 3º andar

4719-904 São Paulo - SP

Brazil

Phone: +55 11 5180 2350

Fax: +55 11 5181 7013

E-Mail:

Vector Informática Brasil Ltda.

Rua Verbo Divino 1488, 3º andar

4719-904 São Paulo - SP

Brazil

Phone: +55 11 5180 2350

Fax: +55 11 5181 7013

E-Mail:

Vector Informática Brasil Ltda.

Rua Verbo Divino 1488, 3º andar

4719-904 São Paulo - SP

Brazil

Phone: +55 11 5180 2351

Fax: +55 11 5181 7014

E-Mail:

Vector Informática Brasil Ltda.

Rua Verbo Divino 1488, 3º andar

4719-904 São Paulo - SP

Brazil

Phone: +55 11 5180 2350

E-Mail:

Vector North America

1351 South County Trail, Suite 310

East Greenwich, RI 02818

USA

Phone: +1 401 398 7185

E-Mail:

Development software testing
Operational sales non-automotive
 

Vector North America

1351 South County Trail, Suite 310

East Greenwich, RI 02818

USA

Phone: +1 401 398 7185

E-Mail:

Vector North America

1351 South County Trail, Suite 310

East Greenwich, RI 02818

USA

Phone: +1 401 398 7185

E-Mail:

Vector France S.A.S.

106 avenue Marx Dormoy

92120 Montrouge

France

Phone: +33 1 73 28 42 00

E-Mail:

Vector France S.A.S.

106 avenue Marx Dormoy

92120 Montrouge

France

Phone: +33 1 73 28 42 00

E-Mail:

Vector France S.A.S.

106 avenue Marx Dormoy

92120 Montrouge

France

Phone: +33 1 73 28 42 42

E-Mail:

Vector France S.A.S.

9 rue Matabiau

31000 Toulouse

France

Phone: +33 170 952 200

E-Mail:

Squoring Technologies SAS

9 Rue Matabiau

31000 Toulouse

France

Phone: +33 170 952 200

E-Mail:

Vector France S.A.S.

106 avenue Marx Dormoy

92120 Montrouge

France

Phone: +33 1 73 28 42 00

E-Mail:

Vector Informatik India Pvt. Ltd.

No 11-14, 5th & 6th floor, Tara Heights,
Old Mumbai Pune Road, Wakadewadi

Shivaji Nagar, Pune 411003

India

Phone: +91 20 6634 6600

E-Mail:

Vector Informatik India Pvt. Ltd.

No 11-14, 5th & 6th floor, Tara Heights,
Old Mumbai Pune Road, Wakadewadi

Shivaji Nagar, Pune 411003

India

Phone: +91 20 6634 6600

E-Mail:

Vector Informatik India Pvt. Ltd.

No 11-14, 5th & 6th floor, Tara Heights,
Old Mumbai Pune Road, Wakadewadi

Shivaji Nagar, Pune 411003

India

Phone: +91 20 6634 6634

E-Mail:

Vector Informatik India Pvt. Ltd. – Bengaluru office

Kalyani Solitaire 2nd & 3rd Floor
No.165/2, Krishna Raju Layout
Doraisanipalya, Off Bannerghatta Road

Bengaluru 560076

India

Phone: +91 80 6822 9600

E-Mail:

Vector Informatik India Pvt. Ltd.

No 11-14, 5th & 6th floor, Tara Heights,
Old Mumbai Pune Road, Wakadewadi

Shivaji Nagar, Pune 411003

India

Phone: +91 20 6634 6600

E-Mail:

VecScan AB

Theres Svenssons Gata 9

417 55 Gothenburg

Sweden

Phone: +46 31 764 76 00

Fax: +46 31 764 76 19

E-Mail:

VecScan AB

Theres Svenssons Gata 9

417 55 Gothenburg

Sweden

Phone: +46 31 764 76 00

Fax: +46 31 764 76 19

E-Mail:

VecScan AB

Theres Svenssons Gata 9

417 55 Gothenburg

Sweden

Phone: +46 31 764 76 00

Fax: +46 31 764 76 19

E-Mail:

VecScan AB

Theres Svenssons Gata 9

417 55 Gothenburg

Sweden

Phone: +46 31 764 76 00

Fax: +46 31 764 76 19

E-Mail:

VecScan AB

Teknikringen 9

SE-583 30 Linköping

Sweden

Phone: +46 (0)13–560 18 14

Fax: +46 31 764 76 19

E-Mail:

Vector North America

66 Bovet Road, Suite 300

San Mateo, CA 94402

USA

Vector North America

66 Bovet Road, Suite 300

San Mateo, CA 94402

USA

Vector North America

66 Bovet Road, Suite 300

San Mateo, CA 94402

USA

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670-0

E-Mail:

Address for Deliveries:
Motorstr. 56
70499 Stuttgart
Germany

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670 200

E-Mail:

Business hours: Monday to Friday from 8:30 am to 5:00 pm (CET/CEST).

Online: https://portal.vector.com

Vector Informatik GmbH

Visitor Address: Holderäckerstr. 36

70499 Stuttgart

Germany

Phone: +49 711 80670 500

E-Mail:

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5 Basic Building Blocks for Engineering High Quality Software using Vector Tools

Experience has taught users to avoid the latest versions of software applications until the inevitable maintenance releases, and patches have been released. Even large enterprises are not immune to buggy launches — we just have to look at the upgrade cycle of software in mobile phones to see a major release followed by several quick "fix" updates. While everyone is aware of the software quality gap that exists between the initial release and the stable release, unfortunately not much progress is being made toward solving the problem.

This technical article discusses 5 actionable ideas to help development groups close the quality gap.

1. Test Coverage

Use Code Coverage Analysis

Code coverage analysis reports on the portions of the application source code that have been executed by a set of test cases. Analyzing code coverage is the best way to measure the completeness of your test activities. Without measuring code coverage you are “testing in the dark".

Analysis of code coverage to measure test completeness
Figure 1 – Analysis of code coverage to measure test completeness

It is important to remember that while achieving “100 % code coverage” does not prove that an application is perfect, it is a critical component of engineering high quality software. In fact, all of the standards associated with safety critical software development mandate code coverage as part of the development process.


Learn more about code coverage by reading this white paper:

2. Unit Tests

Improve Test Coverage with Unit Tests

Figure 2 – 100 % code coverage by closing the coverage gaps using unit tests

Once your measuring coverage, it’s likely that existing tests provide significantly less than 100 % coverage, this coverage gap results from testers focusing on nominal use cases and not on error cases or boundary conditions.

The obvious way to close the coverage gap is to add additional functional tests, but it is likely that 20-30 % of the application code is really difficult to test with functional tests in a production environment, because it is difficult to inject the faults required to trigger the error handling.

Critical bugs that occur in the field are the result of an odd combination of stimulus to the application that was never anticipated. Enter the fabled Heisenbug, a bug that disappears or alters its behavior when one attempts to probe or isolate it. For C programmers, these are thought to be the result of uninitialized variables, and are a source of frustration because simply observing the code appears to be altering it [1] .

This is where using low-level unit testing is critical. Unit tests allow fault injection i.e. the testing of error handling in ways that are impossible in a production environment.

3. Test Infrastructure

Make Tests Easy to Run, and Results Easy to Understand

The test pyramid includes different types of tests: unit tests, service tests, API layer tests, HMI tests functional tests
Figure 3 – The Test Pyramid includes different types of tests

In theory, it sounds like a simple plan: make your tests easy to run and the test results easy to understand. In practice, however, this can be a challenge. Historically, different flavors of tests are built and maintained by different engineers, often using different tools:

  • Unit tests are used to prove correctness of the low-level building blocks of an application
  • Service & API layer tests are built to prove the correct functioning of complete sub-systems
  • Human-machine interface tests (HMI) / functional tests are built to prove correctness from an end-user point of view

When tests are partitioned this way, each flavor of tests is owned and maintained by a different group of engineers rather than being shared across all members of the development team. In fact, in most organizations, it is probably impossible for a QA engineer to run a developer test or a developer to run a system test.

In order to improve quality, it should be possible for any member of the development team to run any test at any time on any version of the application.

The key to enabling this workflow is a common test collaboration platform, which captures all tests, along with their preconditions and expected results. Engineers should be able to run a single test, or all tests with the “click of a button”. In addition, it is essential that engineers are able to quickly debug failing tests.


Additional information can be found in the following document:

document-pdf Building a Flexible and Automated Testing Infrastructure

4. Test Efficiency

Implement Automated, Parallel, and Change-Based Testing

Once testing completeness is improved by code coverage analysis, and tests are deployed across the entire organization, the next step is to ensure that tests run quickly. One of the reasons tests are partitioned between multiple groups is that a complete system test might take hours or days to run. Obviously, if you ask a developer who has changed one line of code to run 10 hours of testing, you’ll get some pushback. So how can we decrease test time, while still ensuring testing completeness?

The key is to build a testing infrastructure which is scalable, using parallel and change-based testing. Individual tests must be atomic, small, and fast. Too often test suites become tightly coupled over time with new tests simply being inserted into existing tests. This makes tests fragile and test maintenance time consuming. A simple thought to keep in mind when designing tests is, each test should define its own preconditions not rely on the output of other tests.

Beyond the benefits of test maintenance, re-architecting your tests to be atomic enables:

  • Change-based testing, running only those tests affected by each software change
  • Parallel test execution, running hundreds of individual tests simultaneously

While every organization has developed a software build system that allows for unattended incremental application building, most have not implemented incremental testing. Too often, testing is performed periodically rather than constantly and incrementally with complete automation. Change-based testing (CBT) analyses each set of changes to the code base, and intelligently selects the sub-set of all tests affected by those changes. This results in complete testing in a fraction of the time of a full test run. In addition, change-based testing provides an accessible means for implementing a rigorous continuous integration (CI) development process; during the check-in phase of CI, CBT provides an efficient means to verify the build and detect problems early.

 

Figure 4 – Regression test of the test cases impacted by the code change

To improve speed even further, consider parallel testing. By integrating your test platform with a continuous integration server, and virtualized test machines, you can reduce total test times from hours to minutes, or minutes to seconds.

5. Refactoring

Refactor Code Bases to Improve Maintainability

Figure 5 – Code refactoring approach

Code refactoring is the process of restructuring application components without changing its external behavior (API).

Without refactoring, application code becomes overly complicated, and hard to maintain over time. As new features and bug fixes are bolted onto existing functionality, the original elegant design is often a casualty.

Code refactoring improves code readability and reduces complexity, hence maintenance cost. Code refactoring, executed well, offers the additional promise of resolving hidden, dormant, or undiscovered computer bugs or vulnerabilities in the system by simplifying the underlying logic and eliminating unnecessary levels of complexity.

Every application has fragile and buggy sections which developers are hesitant to change for fear of breaking existing functionality. The only way to confidently refactor these fragile modules is to ensure that you are building tests to formalize the expected behavior.

Conclusion

Over the last thirty years, there have been a steady flow of tools, design patterns, and development paradigm shifts. Many of these have promised improved quality without increased time or effort. It should be clear to everyone in the software industry by now, that there is not, and will never be, a silver bullet that provides improved quality at no “cost”. The only sensible way to improve software quality is to improve the effectiveness of software testing.

--------------------

References:

[1]

Hristov, Ivan. Chasing Heisenbugs from an AKKA actor integration test with awaitility. September 16, 2012. honeysoft.wordpress.com/category/heisenbug/