108 lines
2.4 KiB
Elixir
108 lines
2.4 KiB
Elixir
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defmodule ResistorColorTrioTest do
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use ExUnit.Case
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test "Orange and orange and black" do
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colors = [:orange, :orange, :black]
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output = ResistorColorTrio.label(colors)
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expected = {33, :ohms}
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assert output == expected
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end
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test "Blue and grey and brown" do
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colors = [:blue, :grey, :brown]
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output = ResistorColorTrio.label(colors)
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expected = {680, :ohms}
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assert output == expected
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end
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test "Red and black and red" do
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colors = [:red, :black, :red]
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output = ResistorColorTrio.label(colors)
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expected = {2, :kiloohms}
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assert output == expected
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end
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test "Green and brown and orange" do
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colors = [:green, :brown, :orange]
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output = ResistorColorTrio.label(colors)
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expected = {51, :kiloohms}
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assert output == expected
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end
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test "Yellow and violet and yellow" do
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colors = [:yellow, :violet, :yellow]
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output = ResistorColorTrio.label(colors)
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expected = {470, :kiloohms}
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assert output == expected
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end
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test "Blue and violet and blue" do
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colors = [:blue, :violet, :blue]
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output = ResistorColorTrio.label(colors)
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expected = {67, :megaohms}
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assert output == expected
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end
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test "Minimum possible value" do
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colors = [:black, :black, :black]
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output = ResistorColorTrio.label(colors)
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expected = {0, :ohms}
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assert output == expected
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end
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test "Maximum possible value" do
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colors = [:white, :white, :white]
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output = ResistorColorTrio.label(colors)
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expected = {99, :gigaohms}
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assert output == expected
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end
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test "First two colors make an invalid octal number" do
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colors = [:black, :grey, :black]
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output = ResistorColorTrio.label(colors)
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expected = {8, :ohms}
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assert output == expected
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end
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test "Ignore extra colors" do
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colors = [:blue, :green, :yellow, :orange]
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output = ResistorColorTrio.label(colors)
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expected = {650, :kiloohms}
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assert output == expected
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end
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test "Kilo value" do
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colors = [:brown, :black, :red]
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output = ResistorColorTrio.label(colors)
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expected = {1, :kiloohms}
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assert output == expected
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end
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test "Mega value" do
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colors = [:brown, :black, :green]
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output = ResistorColorTrio.label(colors)
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expected = {1, :megaohms}
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assert output == expected
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end
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test "Giga value" do
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colors = [:brown, :black, :grey]
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output = ResistorColorTrio.label(colors)
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expected = {1, :gigaohms}
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assert output == expected
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end
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end
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