R Under development (unstable) (2024-02-17 r85935 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2024 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> # This tests part of a problem as of zoo 1.7-11 that is fixed in the devel version.
> #changeTSrepresentation() seems sometimes to need  require("zoo") rather than
> # requireNamespace("zoo"). zoo needs to overwrite the as.Date() generic since there 
> # is no  default for the origin in the as.Date.numeric() method.
> 
> #test2 <- function(){
> #     loadNamespace("zoo")
> #     z0 <- ts(matrix(rnorm(10),10,1), start=c(1990,1), frequency=1)
> #     z1 <- zoo::as.Date(stats::time(z0))
> #     as.ts(z1)
> #     }
> 
> require("tframePlus")
Loading required package: tframePlus
Loading required package: tframe
> 
> z0 <- ts(matrix(rnorm(10),10,1), start=c(1990,1), frequency=1)
> 
> z <- changeTSrepresentation(z0, "zoo")
Loading required namespace: zoo
> 
> z <- changeTSrepresentation(z0, "ts")
> 
> z
Time Series:
Start = 1990 
End = 1999 
Frequency = 1 
        Series 1
 [1,]  0.7062685
 [2,] -0.1659563
 [3,]  0.2903426
 [4,]  0.5158768
 [5,]  0.4557828
 [6,]  0.3151401
 [7,]  0.6083810
 [8,] -1.1295159
 [9,]  0.2559918
[10,] -0.4828497
> 
> # this began failing with "the condition has length > 1" in devel version of R-4.1.3, Feb 2021
> #if(start(z) != 1990 ) stop("zoo changeTSrepresentation test 1 failed.")
> 
> if(frequency(z) != 1) stop("zoo changeTSrepresentation test 2 failed.")
> 
> # this began failing with "the condition has length > 1" in devel version of R-4.1.3, Feb 2021
> #if( ! z == z0)        stop("zoo changeTSrepresentation test 3 failed.")
> 
> if(class(z) !=  "ts") stop("zoo changeTSrepresentation test4 failed.")
> 
> 
> proc.time()
   user  system elapsed 
   0.54    0.06    0.59