706
69%
master: 83%

Ran 11 Apr 2019 06:31PM UTC

Jobs 3

Files 50

Run time 20min

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Build # 706

Build Type

push

travis-ci-com

Committed by

fractalwrench

Commit Message

refactor: prefer using zero-based array when converting collection

There are two styles to convert a collection to an array: either using a pre-sized array (like c.toArray(new String[c.size()])) or using an empty array (like c.toArray(new String[0]).

In older Java versions using pre-sized array was recommended, as the reflection call which is necessary to create an array of proper size was quite slow. However since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even better, compared to the pre-sized version. Also passing pre-sized array is dangerous for a concurrent or synchronized collection as a data race is possible between the size and toArray call which may result in extra nulls at the end of the array, if the collection was concurrently shrunk during the operation.

This inspection allows to follow the uniform style: either using an empty array (which is recommended in modern Java) or using a pre-sized array (which might be faster in older Java versions or non-HotSpot based JVMs).

Run Details

2266 of 3286 relevant lines covered (68.96%)

2.07 hits per line

Jobs

ID	Job ID	Ran	Coverage
3	706.3 (NDK_VERSION=r12b)	11 Apr 2019 06:31PM UTC	74.0	Travis Job 706.3
4	706.4 (NDK_VERSION=r16b)	11 Apr 2019 06:43PM UTC	74.0	Travis Job 706.4
5	706.5 (NDK_VERSION=r19)	11 Apr 2019 06:52PM UTC	74.0	Travis Job 706.5

Source Files on build 706

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bugsnag / bugsnag-android / 706
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master: 83%

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