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Code.require_file "test_helper.exs", __DIR__
defmodule RangeTest do
use ExUnit.Case, async: true
test :precedence do
assert Enum.to_list(1..3+2) == [1, 2, 3, 4, 5]
assert 1..3 |> Enum.to_list == [1, 2, 3]
end
test :first do
assert Range.first(1..3) == 1
end
test :last do
assert Range.last(1..3) == 3
end
test :op do
assert (1..3).first == 1
assert (1..3).last == 3
end
test :range? do
assert Range.range?(1..3)
refute Range.range?(0)
end
test :enum do
refute Enum.empty?(1..1)
assert Enum.member?(1..3, 2)
refute Enum.member?(1..3, 0)
refute Enum.member?(1..3, 4)
refute Enum.member?(3..1, 0)
refute Enum.member?(3..1, 4)
assert Enum.count(1..3) == 3
assert Enum.count(3..1) == 3
assert Enum.map(1..3, &(&1 * 2)) == [2, 4, 6]
assert Enum.map(3..1, &(&1 * 2)) == [6, 4, 2]
end
test :inspect do
assert inspect(1..3) == "1..3"
assert inspect(3..1) == "3..1"
end
end
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