library(metR)


context("Breaks")

test_that("functions return functions", {
    expect_equal(is.function(MakeBreaks()),
                 TRUE)
    expect_equal(is.function(AnchorBreaks()),
                 TRUE)
})

test_that("Anchor is in breaks", {
    expect_equal(0 %in% AnchorBreaks(0, 1)(c(-10, 10+0.0005)),
                 TRUE)
    expect_equal(0 %in% AnchorBreaks(0, 1.00001)(c(-10+0.00000001, 10+0.0005)),
                 TRUE)
    expect_equal(0 %in% AnchorBreaks(0, 1, 0)(c(-10, 10+0.0005)),
                 FALSE)
})


test_that("breaks work with binwith = NULL", {
    expect_equal(AnchorBreaks(1)(c(1, 5), 1),
                 0:6)
    expect_equal(MakeBreaks()(c(1, 5), 1),
                 1:5)
})