amethyst/test/data_test.exs

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defmodule WriteTest do
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use ExUnit.Case, async: true
@moduledoc """
This module contains tests for the Amethyst.Minecraft.Write module.
"""
doctest Amethyst.Minecraft.Write
test "writing a varint" do
assert Amethyst.Minecraft.Write.varint(0) == <<0x00>>
assert Amethyst.Minecraft.Write.varint(127) == <<0x7F>>
assert Amethyst.Minecraft.Write.varint(128) == <<0x80, 0x01>>
assert Amethyst.Minecraft.Write.varint(255) == <<0xFF, 0x01>>
assert Amethyst.Minecraft.Write.varint(25_565) == <<0xDD, 0xC7, 0x01>>
assert Amethyst.Minecraft.Write.varint(2_147_483_647) == <<0xFF, 0xFF, 0xFF, 0xFF, 0x07>>
assert Amethyst.Minecraft.Write.varint(-1) == <<0xFF, 0xFF, 0xFF, 0xFF, 0x0F>>
assert Amethyst.Minecraft.Write.varint(-2_147_483_648) == <<0x80, 0x80, 0x80, 0x80, 0x08>>
end
test "writing a varlong" do
assert Amethyst.Minecraft.Write.varlong(0) == <<0x00>>
assert Amethyst.Minecraft.Write.varlong(127) == <<0x7F>>
assert Amethyst.Minecraft.Write.varlong(128) == <<0x80, 0x01>>
assert Amethyst.Minecraft.Write.varlong(255) == <<0xFF, 0x01>>
assert Amethyst.Minecraft.Write.varlong(2_147_483_647) == <<0xFF, 0xFF, 0xFF, 0xFF, 0x07>>
assert Amethyst.Minecraft.Write.varlong(9_223_372_036_854_775_807) == <<0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F>>
assert Amethyst.Minecraft.Write.varlong(-1) == <<0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01>>
end
test "writing a string" do
assert Amethyst.Minecraft.Write.string("Hello, world!") == <<0x0D, "Hello, world!">>
assert Amethyst.Minecraft.Write.string("") == <<0x00>>
end
end
defmodule ReadTest do
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use ExUnit.Case, async: true
@moduledoc """
This module contains tests for the Amethyst.Minecraft.Read module.
"""
doctest Amethyst.Minecraft.Read
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alias Amethyst.Minecraft.Read
test "reading a varint" do
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assert Read.start(<<0x00>>) |> Read.varint() |> Read.stop() == {[0], ""}
assert Read.start(<<0x7F>>) |> Read.varint() |> Read.stop() == {[127], ""}
assert Read.start(<<0x80, 0x01>>) |> Read.varint() |> Read.stop() == {[128], ""}
assert Read.start(<<0xFF, 0x01>>) |> Read.varint() |> Read.stop() == {[255], ""}
assert Read.start(<<0xFF, 0xFF, 0xFF, 0xFF, 0x07>>) |> Read.varint() |> Read.stop() == {[2_147_483_647], ""}
assert Read.start(<<0xFF, 0xFF, 0xFF, 0xFF, 0x0F>>) |> Read.varint() |> Read.stop() == {[-1], ""}
assert Read.start(<<0x80, 0x80, 0x80, 0x80, 0x08>>) |> Read.varint() |> Read.stop() == {[-2_147_483_648], ""}
end
test "reading a varlong" do
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assert Read.start(<<0x00>>) |> Read.varlong() |> Read.stop() == {[0], ""}
assert Read.start(<<0x7F>>) |> Read.varlong() |> Read.stop() == {[127], ""}
assert Read.start(<<0x80, 0x01>>) |> Read.varlong() |> Read.stop() == {[128], ""}
assert Read.start(<<0xFF, 0x01>>) |> Read.varlong() |> Read.stop() == {[255], ""}
assert Read.start(<<0xFF, 0xFF, 0xFF, 0xFF, 0x07>>) |> Read.varlong() |> Read.stop() == {[2_147_483_647], ""}
assert Read.start(<<0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F>>) |> Read.varlong() |> Read.stop() == {[9_223_372_036_854_775_807], ""}
assert Read.start(<<0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x01>>) |> Read.varlong() |> Read.stop() == {[-1], ""}
end
test "reading a string" do
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assert Read.start(<<0x0D, "Hello, world!">>) |> Read.string() |> Read.stop() == {["Hello, world!"], ""}
assert Read.start(<<0x00>>) |> Read.string() |> Read.stop() == {[""], ""}
end
end