R Under development (unstable) (2024-05-17 r86565 ucrt) -- "Unsuffered Consequences"
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> source(file.path("_helper", "init.R"))
> 
> # - "Test Error Diffs" ---------------------------------------------------------
> 
> diffs <- new(
+   "unitizerItemTestsErrorsDiffs",
+   value = new("unitizerItemTestsErrorsDiff",
+   txt = "value", err = TRUE, diff = diffobj::diffChr(1, 2))
+ )
> diffs$value@diff@target
[1] 1
> diffs$value@diff@current
[1] 2
> try(diffs$values)
Error in .local(x, i, j, ...) : 
  Argument `i` must be one of c("value", "conditions", "output", "message", "aborted", "state")
> try(diffs[[NA]])
Error in .local(x, i, j, ...) : 
  Argument `i` must be character(1L) and not NA
> err <- new(
+   "unitizerItemTestsErrors", 
+   value = new(
+     "unitizerItemTestError", compare.err = TRUE, value = c("compare", "error")
+ ) )
> # - "Show Test Error" ----------------------------------------------------------
> 
> is(unitizer:::as.Diffs(err)@value, "unitizerItemTestsErrorsDiff")
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.50    0.03    0.51