Bug 170944

Summary:

Percentage margin and overflow auto (or scroll) seems wrong

Product:

WebKit

Reporter:

Manuel Rego Casasnovas <rego>

Component:

Layout and Rendering

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED CONFIGURATION CHANGED

Severity:

Normal

CC:

ahmad.saleem792, bfulgham, simon.fraser, webkit-bug-importer, zalan

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Example to reproduce the issue	none
Current output	none
Expected output	none

Manuel Rego Casasnovas

Reported 2017-04-18 06:06:25 PDT

Created attachment 307379 [details] Example to reproduce the issue Check the attached example, the first "item" has "overflow: visible" and the "margin-left: 50%" is resolved properly. The 2nd item has "overflow: auto" and the percentage resolution changes. In Chrome and Firefox both cases have the same output.

Attachments
Example to reproduce the issue (610 bytes, text/html) 2017-04-18 06:06 PDT, Manuel Rego Casasnovas	no flags	Details
Current output (2.77 KB, image/png) 2017-04-18 06:06 PDT, Manuel Rego Casasnovas	no flags	Details
Expected output (2.11 KB, image/png) 2017-04-18 06:06 PDT, Manuel Rego Casasnovas	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Manuel Rego Casasnovas

Comment 1 2017-04-18 06:06:40 PDT

Created attachment 307380 [details] Current output

Manuel Rego Casasnovas

Comment 2 2017-04-18 06:06:52 PDT

Created attachment 307381 [details] Expected output

Radar WebKit Bug Importer

Comment 3 2017-04-18 15:35:43 PDT

<rdar://problem/31693191>

Ahmad Saleem

Comment 4 2022-10-16 06:03:16 PDT

I am able to reproduce this bug in STP 155 and get "current" output using attached output. While other browsers (Chrome Canary 108 and Firefox Nightly 107) match other and show "expected output". Thanks!

Ahmad Saleem

Comment 5 2025-03-14 19:28:51 PDT

It seems to be fixed now - I am unable to reproduce it on Safari 18.3.1 on macOS 15.3.2.

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