using Plots, Test, Dates

@testset "Limits" begin
    y = [1.0 * i * i for i in 1:10]
    x = [Date(2019, 11, i) for i in 1:10]

    rx = [x[3], x[5]]

    p = plot(x, y, widen = false)
    vspan!(p, rx, label = "", alpha = 0.2)

    ref_ylims = (y[1], y[end])
    ref_xlims = (x[1].instant.periods.value, x[end].instant.periods.value)
    @test Plots.ylims(p) == ref_ylims
    @test Plots.xlims(p) == ref_xlims
    #@static if (haskey(ENV, "APPVEYOR") || haskey(ENV, "CI"))
    @static if haskey(ENV, "APPVEYOR")
        @info "Skipping display tests on AppVeyor"
    else
        @test isa(display(p), Nothing) == true
        closeall()
    end
end # testset

@testset "Date xlims" begin
    y = [1.0 * i * i for i in 1:10]
    x = [Date(2019, 11, i) for i in 1:10]
    span = (Date(2019, 10, 31), Date(2019, 11, 11))

    ref_xlims = map(date -> date.instant.periods.value, span)

    p = plot(x, y, xlims = span, widen = false)

    @test Plots.xlims(p) == ref_xlims
    #@static if (haskey(ENV, "APPVEYOR") || haskey(ENV, "CI"))
    @static if haskey(ENV, "APPVEYOR")
        @info "Skipping display tests on AppVeyor"
    else
        @test isa(display(p), Nothing) == true
        closeall()
    end
end # testset

@testset "DateTime xlims" begin
    y = [1.0 * i * i for i in 1:10]
    x = [DateTime(2019, 11, i, 11) for i in 1:10]
    span = (DateTime(2019, 10, 31, 11, 59, 59), DateTime(2019, 11, 11, 12, 01, 15))

    ref_xlims = map(date -> date.instant.periods.value, span)

    p = plot(x, y, xlims = span, widen = false)
    @test Plots.xlims(p) == ref_xlims
    #@static if (haskey(ENV, "APPVEYOR") || haskey(ENV, "CI"))
    @static if haskey(ENV, "APPVEYOR")
        @info "Skipping display tests on AppVeyor"
    else
        @test isa(display(p), Nothing) == true
        closeall()
    end
end # testset