26 lines
534 B
Elixir
26 lines
534 B
Elixir
defmodule AdventOfCode.Year2025.DialTest do
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use ExUnit.Case, async: true
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import AdventOfCode.Year2025.Dial
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test "dial starts at 50" do
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{index, _} = rotate([])
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assert index == 50
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end
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test "rotate right increments index" do
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{index, _} = rotate(["R1"])
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assert index == 51
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end
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test "rotate left decrements index" do
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{index, _} = rotate(["L1"])
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assert index == 49
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end
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test "increments zero crossings when landing on zero" do
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{_, zeroes} = rotate(["R50"])
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assert zeroes == 1
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end
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end
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