R version 4.6.0 alpha (2026-04-03 r89785 ucrt)
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Platform: x86_64-w64-mingw32/x64

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> library(testthat)
> library(adjoin)
> 
> test_check("adjoin")

Attaching package: 'igraph'

The following objects are masked from 'package:adjoin':

    edges, neighbors

The following object is masked from 'package:testthat':

    compare

The following objects are masked from 'package:stats':

    decompose, spectrum

The following object is masked from 'package:base':

    union

'as(<dgCMatrix>, "dgTMatrix")' is deprecated.
Use 'as(., "TsparseMatrix")' instead.
See help("Deprecated") and help("Matrix-deprecated").
[ FAIL 0 | WARN 22 | SKIP 1 | PASS 776 ]

══ Skipped tests (1) ═══════════════════════════════════════════════════════════
• On CRAN (1): 'test-performance-guardrails.R:4:3'

[ FAIL 0 | WARN 22 | SKIP 1 | PASS 776 ]
> 
> proc.time()
   user  system elapsed 
   8.51    1.25    9.75