source("helper/helper.R") f = get("dQuote", envir = baseenv()) expect_same = makeCompareFun(f, backports:::dQuote) expect_same("foo") if (getRversion() >= "3.6.0") { expect_same("foo", q = TRUE) expect_same("foo", q = FALSE) } f = get("sQuote", envir = baseenv()) expect_same = makeCompareFun(f, backports:::sQuote) expect_same("foo") if (getRversion() > "3.6.0") { expect_same("foo", q = TRUE) expect_same("foo", q = FALSE) }