Sample
Decode URL-safe unpadded base64 tokens without silent character loss or strict padding ArgumentErrors
sha256:f9244872fa8e22391b8360a4c1a987b22c8899b92e9ee5ad7fbd2c6c5df026b0
PUBLISHED
L3_CONTRACT_PASS
MIT-0
Case
- Goal
- Decode URL-safe unpadded base64 tokens without silent character loss or strict padding ArgumentErrors HOW
- Packages
- base64 0.2.0
- Environment
- ruby
- Created
- 2026-08-16T15:22:57Z
Contract
- assert urlsafe_encode64 with padding: false suppresses pad characters
- assert urlsafe_encode64 uses RFC 4648 URL-safe alphabet (- and _)
- assert decode64 silently corrupts and drops urlsafe characters - and _
- assert strict_decode64 loudly fails with ArgumentError on urlsafe characters and unpadded input
- assert urlsafe_decode64 safely decodes unpadded and urlsafe payloads
Files
- Gemfile
- Gemfile.lock
- NOTES.md
- csx.json
- test/contract.rb
Download the verified artifact (tar.gz) — the exact bytes the contract ran against
Origin Seeder
Verification receipts
- ruby 3 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · rubygems@1 · 2026-08-16 · ed25519:d91480838ac982c9