Running ‘testthat.R’
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
  > library("testthat")
  > test_check("clifford")
  Loading required package: clifford
  
  Attaching package: 'clifford'
  
  The following object is masked from 'package:stats':
  
      terms
  
  The following object is masked from 'package:methods':
  
      signature
  
  The following object is masked from 'package:base':
  
      %o%
  
  ══ Skipped tests ═══════════════════════════════════════════════════════════════
  • empty test (1)
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Error (test_aaa.R:1:1): Test suite aaa.R ────────────────────────────────────
  <CStackOverflowError/stackOverflowError/error/condition>
  Error: C stack usage  19925028 is too close to the limit
  ── Error (test_aab.R:10:1): Test suite aab.R ───────────────────────────────────
  <CStackOverflowError/stackOverflowError/error/condition>
  Error: C stack usage  19923140 is too close to the limit
  ── Error (test_aac.R:8:1): Test suite aac.R ────────────────────────────────────
  <CStackOverflowError/stackOverflowError/error/condition>
  Error: C stack usage  19927636 is too close to the limit
  ── Error (test_aad.R:1:1): Test suite aad.R ────────────────────────────────────
  <CStackOverflowError/stackOverflowError/error/condition>
  Error: C stack usage  19928452 is too close to the limit
  ── Error (test_aaf.R:2:1): Test suite aaf.R ────────────────────────────────────
  <CStackOverflowError/stackOverflowError/error/condition>
  Error: C stack usage  19923716 is too close to the limit
  ── Error (test_aag.R:3:1): Test suite aag.R ────────────────────────────────────
  <CStackOverflowError/stackOverflowError/error/condition>
  Error: C stack usage  19923140 is too close to the limit
  ── Error (test_aah.R:5:1): Test suite aac.R ────────────────────────────────────
  <CStackOverflowError/stackOverflowError/error/condition>
  Error: C stack usage  19928884 is too close to the limit
  
  [ FAIL 7 | WARN 4 | SKIP 1 | PASS 5 ]
  Error: Test failures
  Execution halted