Nothing
test_that("dtt_month.Date", {
expect_identical(dtt_month(as.Date("2001-01-01")[-1]), integer(0))
expect_identical(dtt_month(as.Date("2001-01-01")), 1L)
expect_identical(dtt_month(NA_Date_), NA_integer_)
expect_identical(dtt_month(as.Date(c("2001-01-01", "1972-02-01"))), c(1L, 2L))
expect_identical(dtt_month(as.Date(c("2001-04-03", NA_Date_))), c(4L, NA))
})
test_that("dtt_month.POSIXct", {
expect_identical(dtt_month(Sys.time()[-1]), integer(0))
expect_identical(dtt_month(as.POSIXct("2001-02-01", tz = "UTC")), 2L)
expect_identical(dtt_month(NA_POSIXct_), NA_integer_)
expect_identical(dtt_month(as.POSIXct("2001-03-01 02:03:31", tz = "UTC")), 3L)
expect_identical(
dtt_month(
as.POSIXct(
c("2001-04-01 05:06:31", "2001-06-05 00:01:33"),
tz = "UTC"
)
),
c(4L, 6L)
)
expect_identical(
dtt_month(c(as.POSIXct("2001-07-01 23:32:31", tz = "UTC"), NA_POSIXct_)),
c(7L, NA_integer_)
)
expect_identical(
dtt_month(as.POSIXct("2001-08-12 16:06:31", tz = "Etc/GMT+8")),
8L
)
})
test_that("dtt_month<-.Date", {
x0 <- Sys.Date()[-1]
dtt_month(x0) <- 11L
expect_identical(x0, Sys.Date()[-1])
xNA <- NA_Date_
dtt_month(xNA) <- 11L
expect_identical(xNA, NA_Date_)
x <- as.Date("1970-01-01")
expect_identical(dtt_set_month(x, 11L), as.Date("1970-11-01"))
dtt_month(x) <- 11L
expect_identical(x, as.Date("1970-11-01"))
x2 <- as.Date(c("1970-01-01", "1980-02-03"))
dtt_month(x2) <- 7L
expect_identical(dtt_month(x2), c(7L, 7L))
dtt_month(x2) <- c(11L, 9L)
expect_identical(dtt_month(x2), c(11L, 9L))
is.na(x2[2]) <- TRUE
dtt_month(x2) <- c(10L, 10L)
expect_identical(dtt_month(x2), c(10L, NA))
})
test_that("dtt_month<-.Date preserves names", {
x <- setNames(as.Date("2001-01-01"), "a name")
dtt_month(x) <- 2L
expect_identical(names(x), "a name")
})
test_that("dtt_month<-.POSIXct", {
x0 <- Sys.time()[-1]
dtt_month(x0) <- 11L
expect_identical(x0, Sys.time()[-1])
xNA <- NA_POSIXct_
dtt_month(xNA) <- 11L
expect_identical(xNA, NA_POSIXct_)
x <- as.POSIXct("1970-01-01", tz = "UTC")
dtt_month(x) <- 11L
expect_identical(x, as.POSIXct("1970-11-01 00:00:00", tz = "UTC"))
x <- as.POSIXct("1970-01-01", tz = "Etc/GMT+1")
expect_identical(
dtt_set_month(x, 10L),
as.POSIXct("1970-10-01 00:00:00", tz = "Etc/GMT+1")
)
dtt_month(x) <- 10L
expect_identical(x, as.POSIXct("1970-10-01 00:00:00", tz = "Etc/GMT+1"))
x <- as.POSIXct("1990-01-02 23:40:51", tz = "PST8PDT")
dtt_month(x) <- 9L
expect_identical(x, as.POSIXct("1990-09-02 23:40:51", tz = "PST8PDT"))
x <- as.POSIXct("1990-01-02 23:40:51")
dtt_month(x) <- 8L
expect_identical(x, as.POSIXct("1990-08-02 23:40:51", tz = Sys.timezone()))
x2 <- as.POSIXct(c("1970-01-01", "1980-02-03 04:50:05"), tz = "UTC")
dtt_month(x2) <- 7L
expect_identical(dtt_month(x2), c(7L, 7L))
dtt_month(x2) <- c(11L, 9L)
expect_identical(dtt_month(x2), c(11L, 9L))
is.na(x2[2]) <- TRUE
dtt_month(x2) <- c(10L, 10L)
expect_identical(dtt_month(x2), c(10L, NA))
})
test_that("dtt_month<-.POSIXct preserves names", {
x <- setNames(as.POSIXct("1990-01-17 23:40:51", tz = "PST8PDT"), "a name")
dtt_month(x) <- 2L
expect_identical(names(x), "a name")
})
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