28 lines
816 B
Elixir
28 lines
816 B
Elixir
defmodule MIDIPlayer.EventTest do
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use ExUnit.Case
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doctest MIDIPlayer.Event
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alias MIDIPlayer.Event
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test "note event" do
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assert %Event.Note{channel: 0, tone: 60, start_time: 1, end_time: 1000, velocity: 127} =
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Event.note(0, 60, 1, 1000, 127)
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end
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test "change program event" do
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assert %Event.ChangeProgram{channel: 0, time: 1, program: 40} =
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Event.change_program(0, 1, 40)
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end
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test "note event conversion" do
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note = Event.note(0, 60, 1, 1000, 127)
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[note_on, note_off] = Event.convert(note)
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assert {1, <<0x90, 60, 127>>} = note_on
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assert {1000, <<0x80, 60, 64>>} = note_off
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end
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test "change program event conversion" do
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change_program = Event.change_program(0, 1, 40)
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assert [{1, <<0xC0, 40>>}] = Event.convert(change_program)
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end
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end
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