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> library(testthat)
> library(checkmate)
> library(tf)

Attaching package: 'tf'

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

    fivenum, sd, var

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

    gait

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

    rank

> 
> test_check("tf")
<tf_registration>
Call: tf_register(x = x, type = "shift", method = "affine")
3 curves on [0, 6.28318530717959]
Components: aligned, inv_warps, template, original data
tf_register(x = x, type = "shift", method = "affine")

3 curve(s) on [0, 6.283185]

Amplitude variance reduction: 100%

Inverse warp deviations from identity (relative to domain length):
    0%    10%    25%    50%    75%    90%   100% 
0.0000 0.0191 0.0477 0.0955 0.0955 0.0955 0.0955 

Inverse warp slopes (1 = identity):
  overall range: [1, 1]
  per-curve slopes:
  0%  10%  25%  50%  75%  90% 100% 
   1    1    1    1    1    1    1 

Domain coverage loss after alignment (fraction of original range):
   0%   10%   25%   50%   75%   90%  100% 
0.000 0.010 0.025 0.050 0.050 0.050 0.050 
Iterative registration stopped after 2 of 3 iterations: alignment worsened (objective 0.0056 > 0.0056).
Iterative registration stopped after 2 of 3 iterations: alignment worsened (objective 0.0056 > 0.0056).
Iterative registration reached `max_iter` = 2 without convergence (tol = 0.01).
Percentage of input data variability preserved in basis representation
(per functional observation, approximate):
Min. 1st Qu.  Median Mean 3rd Qu.  Max.
40.4 40.4 40.4 40.4 40.4 40.4
Percentage of input data variability preserved in basis representation
(per functional observation, approximate):
Min. 1st Qu.  Median Mean 3rd Qu.  Max.
40.4 40.4 40.4 40.4 40.4 40.4
[ FAIL 0 | WARN 2 | SKIP 28 | PASS 1269 ]

══ Skipped tests (28) ══════════════════════════════════════════════════════════
• On CRAN (28): 'test-depth.R:105:3', 'test-rebase.R:33:5',
  'test-rebase.R:33:5', 'test-rebase.R:33:5', 'test-rebase.R:33:5',
  'test-rebase.R:33:5', 'test-rebase.R:33:5', 'test-rebase.R:33:5',
  'test-rebase.R:33:5', 'test-rebase.R:80:7', 'test-rebase.R:80:7',
  'test-rebase.R:80:7', 'test-rebase.R:80:7', 'test-rebase.R:80:7',
  'test-rebase.R:80:7', 'test-rebase.R:80:7', 'test-rebase.R:80:7',
  'test-rebase.R:122:5', 'test-rebase.R:122:5', 'test-rebase.R:122:5',
  'test-rebase.R:122:5', 'test-rebase.R:122:5', 'test-rebase.R:122:5',
  'test-rebase.R:122:5', 'test-rebase.R:122:5', 'test-register.R:1262:3',
  'test-register.R:1278:3', 'test-register.R:1308:3'

[ FAIL 0 | WARN 2 | SKIP 28 | PASS 1269 ]
> 
> proc.time()
   user  system elapsed 
  38.96    1.90   40.87