Hiroshi SHIBATAandClaude Opus 4.8 71c888d1a7 [ruby/psych] Make the test suite backend-aware for the libfyaml backend ...

Add a libfyaml? helper and guard the tests that intentionally diverge on
the experimental YAML 1.2 backend: yes/no/on/off are strings rather than
booleans, flow collections and block scalars are formatted differently,
tags and marks are reported differently, and non-ASCII tags/aliases are
rejected. test_boolean asserts the 1.2 string result directly; the
formatting and mark cases are skipped. The default libyaml build is
unaffected (every guard keys off Psych::BACKEND).

https://github.com/ruby/psych/commit/67b6365f5a

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-02 02:40:15 +00:00

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test_stream.rb

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