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Implement branch coverage - #9751

Merged

headius merged 6 commits into

jruby:masterfrom

sferik:branch-coverage

Oct 2, 2026

Merged

Implement branch coverage#9751
headius merged 6 commits into
jruby:masterfrom
sferik:branch-coverage

Commits on Oct 1, 2026
- Implement branch coverage (Coverage.start(branches: true))
  sferik
  committed
  b2f194a
- Fold conditionals and one-line patterns the way MRI does
  sferik
  committed
  73cd7fc
- Use enums for branch types and labels, records for their keys
  sferik
  committed
  16a2e9c
- Name the dead arm of a folded conditional with an enum
  sferik
  committed
  c8a43c3
Commits on Oct 2, 2026
- Key a method coverage entry by the name of the method it runs
  sferik
  committed
  24bdc05
- Start a file's line and branch counts over when it is loaded again
  sferik
  committed
  6e1295c