fuzzing: empty data frame

[mcol]

This script:

library(CBTF)
funs <- get_exported_functions("Luminescence",
                               c("Analyse_SAR.OSLdata",
                                 "calc_MaxDose",
                                 "get_Quote",
                                 "github_commits",
                                 "install_DevelopmentVersion",
                                 "plot_GrowthCurve",
                                 "show",
                                 "tune_Data"))
what <- data.frame()
fuzz(funs, what, ignore.patterns = NULL, ignore.warnings = TRUE)

Produces:

	🚨   CAUGHT BY THE FUZZ!   🚨

FAIL: analyse_FadingMeasurement ( data.frame )
    wrong sign in 'by' argument

FAIL: calc_CobbleDoseRate ( data.frame )
    undefined columns selected

FAIL: calc_FastRatio ( data.frame )
    undefined columns selected

FAIL: calc_FuchsLang2001 ( data.frame )
    subscript out of bounds

FAIL: calc_HomogeneityTest ( data.frame )
    subscript out of bounds

FAIL: calc_Huntley2006 ( data.frame )
    wrong sign in 'by' argument

FAIL: calc_MinDose ( data.frame )
    undefined columns selected

FAIL: calc_Statistics ( data.frame )
    undefined columns selected

FAIL: calc_WodaFuchs2008 ( data.frame )
    arguments imply differing number of rows: 0, 1

FAIL: convert_Wavelength2Energy ( data.frame )
    undefined columns selected

FAIL: CW2pHMi ( data.frame )
    undefined columns selected

FAIL: CW2pLM ( data.frame )
    undefined columns selected

FAIL: CW2pLMi ( data.frame )
    undefined columns selected

FAIL: CW2pPMi ( data.frame )
    undefined columns selected

FAIL: fit_CWCurve ( data.frame )
    undefined columns selected

FAIL: fit_DoseResponseCurve ( data.frame )
    subscript out of bounds

FAIL: fit_LMCurve ( data.frame )
    undefined columns selected

FAIL: fit_OSLLifeTimes ( data.frame )
    undefined columns selected

FAIL: fit_SurfaceExposure ( data.frame )
    'names' attribute [2] must be the same length as the vector [0]

FAIL: plot_DRTResults ( data.frame )
    undefined columns selected

FAIL: plot_ViolinPlot ( data.frame )
    undefined columns selected

Part of #439.