R Under development (unstable) (2023-12-08 r85664 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(symengine)
SymEngine Version: 0.11.2
 _____           _____         _         
|   __|_ _ _____|   __|___ ___|_|___ ___ 
|__   | | |     |   __|   | . | |   | -_|
|_____|_  |_|_|_|_____|_|_|_  |_|_|_|___|
      |___|               |___|          
> 
> test_check("symengine")
[ FAIL 0 | WARN 0 | SKIP 11 | PASS 647 ]

══ Skipped tests (11) ══════════════════════════════════════════════════════════
• On CRAN (1): 'test-basic_parser.R:222:5'
• empty test (8): 'test-basic_language_conversion.R:16:1',
  'test-symengine_is_working.R:15:1', 'test-symengine_is_working.R:19:1',
  'test-symengine_is_working.R:23:1', 'test-vecbasic_constructors.R:73:1',
  'test-vecbasic_constructors.R:76:1', 'test-vecbasic_constructors.R:80:1',
  'test-vecbasic_s4bindings.R:9:1'
• symengine_have_component("llvm") is not TRUE (2):
  'test-double_visitor.R:23:5', 'test-double_visitor.R:34:5'

[ FAIL 0 | WARN 0 | SKIP 11 | PASS 647 ]
> 
> proc.time()
   user  system elapsed 
   3.89    0.71   13.64