Bug 136468

Summary: MallocBench should have a stress test for correctness
Product: WebKit Reporter: Geoffrey Garen <ggaren>
Component: New BugsAssignee: Geoffrey Garen <ggaren>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, commit-queue, kling, rniwa
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch kling: review+

Description Geoffrey Garen 2014-09-02 15:57:55 PDT
MallocBench should have a stress test for correctness
Comment 1 Geoffrey Garen 2014-09-02 16:03:29 PDT
Created attachment 237524 [details]
Patch
Comment 2 WebKit Commit Bot 2014-09-02 16:06:10 PDT
Attachment 237524 [details] did not pass style-queue:


ERROR: PerformanceTests/MallocBench/MallocBench/stress.h:29:  benchmark_stress is incorrectly named. Don't use underscores in your identifier names.  [readability/naming/underscores] [4]
ERROR: PerformanceTests/MallocBench/MallocBench/stress.cpp:26:  Found other header before WebCore config.h. Should be: config.h, primary header, blank line, and then alphabetically sorted.  [build/include_order] [4]
ERROR: PerformanceTests/MallocBench/MallocBench/stress.cpp:28:  Found header this file implements after other header. Should be: config.h, primary header, blank line, and then alphabetically sorted.  [build/include_order] [4]
ERROR: PerformanceTests/MallocBench/MallocBench/stress.cpp:36:  Bad include order. Mixing system and custom headers.  [build/include_order] [4]
ERROR: PerformanceTests/MallocBench/MallocBench/stress.cpp:70:  When wrapping a line, only indent 4 spaces.  [whitespace/indent] [3]
ERROR: PerformanceTests/MallocBench/MallocBench/stress.cpp:78:  When wrapping a line, only indent 4 spaces.  [whitespace/indent] [3]
ERROR: PerformanceTests/MallocBench/MallocBench/stress.cpp:103:  benchmark_stress is incorrectly named. Don't use underscores in your identifier names.  [readability/naming/underscores] [4]
Total errors found: 7 in 5 files


If any of these errors are false positives, please file a bug against check-webkit-style.
Comment 3 Andreas Kling 2014-09-03 10:27:44 PDT
Comment on attachment 237524 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=237524&action=review

r=me

> PerformanceTests/ChangeLog:21
> +        (benchmark_stress): Usually, we random(0). Surprisingly, though, only
> +        random(1) reproduces the bug I was looking for.

This feels a bit sketchy, but it's better than not having a test at all.
Comment 4 Geoffrey Garen 2014-09-03 14:00:12 PDT
Committed r173223: <http://trac.webkit.org/changeset/173223>