[Webkit-unassigned] [Bug 183744] New: Add some tests for lldb_webkit.py

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Mar 19 10:42:18 PDT 2018


            Bug ID: 183744
           Summary: Add some tests for lldb_webkit.py
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Macintosh
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: dbates at webkit.org
                CC: ap at webkit.org, jer.noble at apple.com,
                    lforschler at apple.com, msaboff at apple.com,
                    simon.fraser at apple.com, zalan at apple.com

Tools/lldb/lldb_webkit.py adds various data formatters to LLDB to pretty-print common WTF and WebCore data structures (e.g. WTF::String) as well as exposes other helpful debugging functions in an LLDB session. The script lldb_webkit.py is fragile and can break when the memory layout of these pretty-printable data structures change among other code changes. People that make changes to these data structures may not be using lldb_webkit.py, be aware of its existence, or may not notice the breakage they cause to lldb_webkit.py. We should add tests for lldb_webkit.py to help identify changes that may break it as well as allow developers extending lldb_webkit.py to write correctness tests.

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