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{{short description|Conformity test for JavaScript implementations}}
{{Use dmy dates|date=September 2021}}
{{Infobox website
| name = Sputnik
| logo = Sputnik-test-icon.gif
| logo_size = 128px
| owner = [[Google]] Inc.
| author = [[Christian Plesner Hansen]], [[Sandholm]]
| launched = 29 June 2009<ref name="chromiumblog" />
| current_status = active (version 1234)
| commercial = No
| content_license = [[New BSD License]]
| registration = No
| url = https://v8.github.io/test262/website/default.html
}}
'''Sputnik''' was a [[JavaScript]] conformance test suite. The purpose of the test suite was to determine how well a JavaScript [[implementation]] adheres to the ECMA-262 specification, 5th edition, looking only at those features that were also present in the 3rd edition.<ref name="chromiumblog">{{cite web|last=Hansen|first=Christian Plesner|work=The Chromium Blog|title=Launching Sputnik into Orbit|url=https://blog.chromium.org/2009/06/launching-sputnik-into-orbit.html|publisher=Google|accessdate=8 September 2010|date=29 June 2009}}</ref> It contained over 5000 tests that touched all aspects of the JavaScript language.<ref name="chromiumblog" /><ref name="kristopolous">{{cite web|title=The winners are: Opera, IE, Firefox, Chrome, Safari; in that order.|url=https://kristopolous.blogspot.com/2011/11/winners-are-opera-ie-firefox-chrome.html|publisher=kristopolous|accessdate=6 December 2011|date=11 November 2011}}</ref>

The test was created in [[Russia]] for testing the conformance of the [[V8 (JavaScript engine)|V8 JavaScript engine]] used in [[Google Chrome]].<ref name="chromiumblog" />

As part of phasing out [[Google Labs]], Google has shut down Sputnik. All current Sputnik tests have been incorporated into [[ECMAScript#Conformance|ECMA's Test262]] test suite.

==Browsers that do not pass==
As an example of a browser that does not pass, [[Konqueror]] 4.10.1 still only passes 91.8% of the 11573 tests.

===Desktop browsers===
{{Original research|table|date=November 2011}}
Scores represent the number of failed tests – a perfect score is 0 (100%).

{|class="wikitable unsortable" style="width:auto;table-layout:fixed;"
|+ '''Desktop browser results in Sputnik'''
|-
! width="175px" | Browser name
! width="200px" | Score of current release
! width="200px" | Score of preview release
|-
| [[Internet Explorer]]
| [[Internet Explorer 11|Internet Explorer 11.0.9600.17420]] {{-}} {{Sputnik progress|8}}<br />
| [[Internet Explorer 11|Internet Explorer 11.0.9879.0]] {{-}} {{Sputnik progress|3}}
|-
| [[Google Chrome]]
| Google Chrome 30.0.1599.66 {{-}} {{Sputnik progress|9}}<br />
| Google Chrome 32.0.1700.39 {{-}} {{Sputnik progress|10}}
|-
| [[Safari (web browser)|Safari]]
| Safari 6.0.2 {{-}} {{Sputnik progress| 8}}<br />
| No preview results available
|-
| [[Mozilla Firefox]]
| Firefox 33.1.1 {{-}} {{Sputnik progress|53}}<br />
| Firefox 68.0a1 {{-}} {{Sputnik progress|240}}
|-
| [[Opera (web browser)|Opera]]
| Opera 11.60 (build 1185) {{-}} {{Sputnik progress|1}}
| Opera 12.00 (build 1191) {{-}} {{Sputnik progress|1}}
|-
|}

===ECMAScript testsuite===
Google has handed the tests from Sputnik test suite to Ecma International for inclusion in its [https://web.archive.org/web/20110514205704/http://test262.ecmascript.org/ ECMAScript 262 test suite]. Some Sputnik tests however have been found to have issues and do not conform to ECMAScript 5th edition specification.<ref>[https://bugs.ecmascript.org/show_bug.cgi?id=18 Bug 18 -several tests assume it's okay to have a FunctionDeclaration in a Statement context]</ref>

===Mobile browsers===
{|class="wikitable unsortable" style="width:auto;table-layout:fixed;"
|+ '''Mobile browsers'''
|-
! width="175px" | Browser name
! width="200px" | Score of current release
! width="200px" | Score of preview release
|-
| [[Android (operating system)|Android]]
| {{Sputnik progress|128}}
| no preview version
|-
| [[Safari (web browser)|Safari (iOS 6.0.2)]]
| {{Sputnik progress|30}}
| no preview version
|-
| [[Internet Explorer Mobile]]
| Internet Explorer Mobile 7 {{-}} {{Sputnik progress|477}}
| Internet Explorer Mobile 9 (SDK emulator) {{-}} {{Sputnik progress|88}}
|-
|}

==See also==

*[[Acid3]]

==References==
{{reflist}}

==External links==
*[https://v8.github.io/test262/website/default.html ECMAScript Test262 (Sputnik) official page]
*[http://code.google.com/p/sputniktests/ Source Code] on [[Google Code]]

{{web browsers}}
{{ECMAScript}}
{{Google LLC}}

{{DEFAULTSORT:Sputnik (Javascript Conformance Test)}}
[[Category:Software testing]]
[[Category:Web browsers]]
[[Category:Discontinued Google software]]

Sputnik (JavaScript conformance test) - Revision history

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