R Under development (unstable) (2026-09-08 r90509 ucrt) -- "Unsuffered Consequences"
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> # This file is part of the standard setup for testthat.
> # It is recommended that you do not modify it.
> #
> # Where should you do additional test configuration?
> # Learn more about the roles of various files in:
> # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview
> # * https://testthat.r-lib.org/articles/special-files.html
> 
> library(testthat)
> library(autoslider.trade)
> 
> test_check("autoslider.trade")
[1] "Performance Summary"
Saving _problems/test-pptx_to_pdf-21.R
[1] "Performance Summary"
Saving _problems/test-pptx_to_pdf-33.R
[1] "Performance Summary"
[1] "Performance Summary"
Saving _problems/test-pptx_to_pdf-44.R
[ FAIL 3 | WARN 3 | SKIP 1 | PASS 53 ]

══ Skipped tests (1) ═══════════════════════════════════════════════════════════
• On Windows (1): 'test-pptx_to_pdf.R:66:3'

══ Failed tests ════════════════════════════════════════════════════════════════
── Error ('test-pptx_to_pdf.R:21:3'): pptx_to_pdf converts a deck and returns the pdf path ──
Error: Conversion failed for perf.pptx.
New-Object : Die COM-Klassenfactory für die Komponente mit CLSID {00000000-0000-0000-0000-000000000000} konnte 
aufgrund des folgenden Fehlers nicht abgerufen werden: 80040154 Klasse nicht registriert (Ausnahme von HRESULT: 
0x80040154 (REGDB_E_CLASSNOTREG)).
In D:\temp\2026_09_09_18_20_17_15858\RtmpoLUAtN\filea97c70981863.ps1:3 Zeichen:8
+ $app = New-Object -ComObject PowerPoint.Application
+        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ResourceUnavailable: (:) [New-Object], COMException
    + FullyQualifiedErrorId : NoCOMClassIdentified,Microsoft.PowerShell.Commands.NewObjectCommand
 
Backtrace:
    ▆
 1. └─autoslider.trade::pptx_to_pdf(pptx) at test-pptx_to_pdf.R:21:3
 2.   └─base::vapply(...)
 3.     └─autoslider.trade (local) FUN(X[[i]], ...)
 4.       └─autoslider.trade:::pptx_to_pdf_one(p, out_dir, backend)
── Error ('test-pptx_to_pdf.R:33:3'): pptx_to_pdf honours output_dir ───────────
Error: Conversion failed for perf_dir.pptx.
New-Object : Die COM-Klassenfactory für die Komponente mit CLSID {00000000-0000-0000-0000-000000000000} konnte 
aufgrund des folgenden Fehlers nicht abgerufen werden: 80040154 Klasse nicht registriert (Ausnahme von HRESULT: 
0x80040154 (REGDB_E_CLASSNOTREG)).
In D:\temp\2026_09_09_18_20_17_15858\RtmpoLUAtN\filea97c51b82610.ps1:3 Zeichen:8
+ $app = New-Object -ComObject PowerPoint.Application
+        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ResourceUnavailable: (:) [New-Object], COMException
    + FullyQualifiedErrorId : NoCOMClassIdentified,Microsoft.PowerShell.Commands.NewObjectCommand
 
Backtrace:
    ▆
 1. └─autoslider.trade::pptx_to_pdf(pptx, output_dir = outdir) at test-pptx_to_pdf.R:33:3
 2.   └─base::vapply(...)
 3.     └─autoslider.trade (local) FUN(X[[i]], ...)
 4.       └─autoslider.trade:::pptx_to_pdf_one(p, out_dir, backend)
── Error ('test-pptx_to_pdf.R:44:3'): pptx_to_pdf converts several files at once ──
Error: Conversion failed for multi_a.pptx.
New-Object : Die COM-Klassenfactory für die Komponente mit CLSID {00000000-0000-0000-0000-000000000000} konnte 
aufgrund des folgenden Fehlers nicht abgerufen werden: 80040154 Klasse nicht registriert (Ausnahme von HRESULT: 
0x80040154 (REGDB_E_CLASSNOTREG)).
In D:\temp\2026_09_09_18_20_17_15858\RtmpoLUAtN\filea97c24913179.ps1:3 Zeichen:8
+ $app = New-Object -ComObject PowerPoint.Application
+        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : ResourceUnavailable: (:) [New-Object], COMException
    + FullyQualifiedErrorId : NoCOMClassIdentified,Microsoft.PowerShell.Commands.NewObjectCommand
 
Backtrace:
    ▆
 1. └─autoslider.trade::pptx_to_pdf(c(a, b)) at test-pptx_to_pdf.R:44:3
 2.   └─base::vapply(...)
 3.     └─autoslider.trade (local) FUN(X[[i]], ...)
 4.       └─autoslider.trade:::pptx_to_pdf_one(p, out_dir, backend)

[ FAIL 3 | WARN 3 | SKIP 1 | PASS 53 ]
Error:
! Test failures.
Execution halted