Nothing

```
context("monthIndex test functions")
load(system.file("testdata","testData_monthIndex.RData",package = "IndexNumR"))
weekMethods <- c("majority","fourWeek","naive","wholeOnly")
dayOfWeek <- c("wed", "fri")
for(i in seq_along(weekMethods)){
for(j in seq_along(dayOfWeek)){
test_that("monthIndex function returns the correct values for different week treatments",{
expect_equal(monthIndex(testData[[paste0("date_",dayOfWeek[j])]],
overlapWeeks = weekMethods[i]),
(testData[[paste0(weekMethods[i],"_",dayOfWeek[j])]]))
})
}
}
test_that("error is thrown when wrong option for overlapWeeks is given",{
expect_error(monthIndex(testData$date_wed, overlapWeeks = "wrong option"),
"Not a valid option for parameter overlapWeeks.")
})
# test vectors of dates
dat_year <- as.Date(c("2017-01-01","2017-02-01","2018-01-01","2018-04-02","2019-01-01"))
dat_quarter <- as.Date(c("2017-01-01","2017-04-01","2017-08-02","2017-09-01"))
dat_month <- as.Date(c("2017-01-01","2017-02-01","2017-02-02","2017-03-01"))
dat_week <- as.Date(c("2016-12-19","2016-12-26","2017-01-02","2017-01-09","2016-12-20"))
test_that("time index functions return the correct index values",{
expect_equal(yearIndex(dat_year),c(1,1,2,2,3))
expect_equal(quarterIndex(dat_quarter),c(1,2,3,3))
expect_equal(monthIndex(dat_month),c(1,2,2,3))
expect_equal(weekIndex(dat_week),c(1,2,3,4,1))
})
test_that("correct indices are returned if dates are reversed",{
expect_equal(yearIndex(rev(dat_year)),rev(c(1,1,2,2,3)))
expect_equal(quarterIndex(rev(dat_quarter)),rev(c(1,2,3,3)))
expect_equal(monthIndex(rev(dat_month)),rev(c(1,2,2,3)))
expect_equal(weekIndex(rev(dat_week)),rev(c(1,2,3,4,1)))
})
```

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