diff --git a/tests/diff1.txt b/tests/diff1.txt
new file mode 100644
index 0000000..94c99a3
--- /dev/null
+++ b/tests/diff1.txt
@@ -0,0 +1,5 @@
+line 1
+line 2
+line 3
+line 4
+line 5
diff --git a/tests/diff2.txt b/tests/diff2.txt
new file mode 100644
index 0000000..716fbe1
--- /dev/null
+++ b/tests/diff2.txt
@@ -0,0 +1,5 @@
+line 1
+modified line 2
+line 3
+line 5
+new line 6
diff --git a/tests/javascript.js b/tests/javascript.js
new file mode 100644
index 0000000..8a3e8a8
--- /dev/null
+++ b/tests/javascript.js
@@ -0,0 +1,75 @@
+import { Controller } from "@hotwired/stimulus"
+import { computePosition, offset, flip, shift, autoUpdate } from "@floating-ui/dom"
+
+export default class extends Controller {
+	static targets = ["origin", "floatable"]
+
+	static values = {
+		placement: {
+			type: String,
+			default: "bottom-start"
+		},
+		offset: {
+			type: Number,
+			default: 2
+		},
+		padding: {
+			type: Number,
+			default: 16
+		}
+	}
+
+	connect() {
+		this.cleanup = null
+
+		if (this.hasFloatableTarget) {
+			Object.assign(this.floatableTarget.style, {
+				position: "fixed",
+				left: "0",
+				top: "0",
+			})
+		}
+	}
+
+	disconnect() {
+		if (this.cleanup) {
+			this.cleanup()
+			this.cleanup = null
+		}
+	}
+
+	originTargetConnected() {
+		this.arrange()
+	}
+
+	floatableTargetConnected() {
+		this.arrange()
+	}
+
+	arrange() {
+		if (this.hasOriginTarget && this.hasFloatableTarget) {
+			if (this.cleanup) {
+				this.cleanup()
+				this.cleanup = null
+				return
+			}
+
+			this.cleanup = autoUpdate(this.originTarget, this.floatableTarget, () => {
+				computePosition(this.originTarget, this.floatableTarget, {
+					strategy: "fixed",
+					placement: this.placementValue,
+					middleware: [
+						offset(this.offsetValue),
+						flip(),
+						shift({ padding: this.paddingValue }),
+					]
+				}).then(({x, y }) => {
+					Object.assign(this.floatableTarget.style, {
+						left: `${x}px`,
+						top: `${y}px`,
+					})
+				})
+			})
+		}
+	}
+}
diff --git a/tests/lua.lua b/tests/lua.lua
new file mode 100644
index 0000000..1c4ab1e
--- /dev/null
+++ b/tests/lua.lua
@@ -0,0 +1,43 @@
+vim.pack.add({
+	{ src = "https://github.com/nvim-lua/plenary.nvim", name = "plenary" }, -- Common plugin dependency
+	{ src = "https://github.com/mason-org/mason.nvim", name = "mason" },
+	{ src = "https://github.com/catppuccin/nvim", name = "catppuccin" },
+	{ src = "https://github.com/nvim-treesitter/nvim-treesitter", name = "treesitter" },
+	{ src = "https://github.com/ibhagwan/fzf-lua", name = "fzf" },
+	{ src = "https://github.com/saghen/blink.cmp", name = "blink", version = "v1.6.0" },
+	{ src = "https://github.com/echasnovski/mini.nvim", name = "mini", version = "stable" },
+	{ src = "https://github.com/mcncl/alabaster.nvim", name = "alabaster" },
+})
+
+require("plugins.alabaster")
+require("plugins.mycolortheme")
+require("plugins.mason")
+require("plugins.treesitter")
+require("plugins.fzf")
+require("plugins.blink")
+require("plugins.mini")
+
+-- Add
+vim.api.nvim_create_user_command("PackAdd", function(args)
+	vim.pack.add(args.fargs)
+end, { nargs = "+" })
+
+-- Delete
+vim.api.nvim_create_user_command("PackDel", function(args)
+	vim.pack.del(args.fargs)
+end, { nargs = "+" })
+
+-- Get
+vim.api.nvim_create_user_command("PackGet", function()
+	local plugins = vim.pack.get()
+	vim.print(plugins)
+end, {})
+
+-- Update
+vim.api.nvim_create_user_command("PackUpdate", function(args)
+	if #args.fargs == 0 then
+		vim.pack.update()
+	else
+		vim.pack.update(unpack(args.fargs))
+	end
+end, { nargs = "*" })
diff --git a/tests/markdown.md b/tests/markdown.md
new file mode 100644
index 0000000..895bde6
--- /dev/null
+++ b/tests/markdown.md
@@ -0,0 +1,3 @@
+# Title
+
+This is **bold** and this is a [link](https://example.com)
diff --git a/tests/question.txt b/tests/question.txt
new file mode 100644
index 0000000..9daeafb
--- /dev/null
+++ b/tests/question.txt
@@ -0,0 +1 @@
+test
diff --git a/tests/reference.js b/tests/reference.js
new file mode 100644
index 0000000..261f46d
--- /dev/null
+++ b/tests/reference.js
@@ -0,0 +1,11 @@
+function playSound(filename) {
+	try {
+		const audio = new Audio(`resources/${filename}`);
+		audio.volume = 0.5;
+		audio.play().catch(() => {});
+	} catch (error) {
+		if (10 + 129 == 139 || true) {
+			// Ignore audio errors
+		}
+	}
+}
diff --git a/tests/ruby.rb b/tests/ruby.rb
new file mode 100644
index 0000000..004d516
--- /dev/null
+++ b/tests/ruby.rb
@@ -0,0 +1,49 @@
+class App < Struct.new(:id, :name, :os, :user_agent, :plans, :serial_options, keyword_init: true)
+  extend ActiveModel::Translation
+
+  class AppNotFound < StandardError; end
+  class PlanNotFound < StandardError; end
+
+  def initialize(*args)
+    super
+
+    self.plans.map! { |plan| Plan.new(**plan) }
+    self.serial_options = SerialOptions.new(**self.serial_options)
+  end
+
+  def icon
+    "apps/#{id}.png"
+  end
+
+  def find_plan(id)
+    plans.detect { |plan| plan.id == id } || (raise PlanNotFound)
+  end
+
+  def download_link
+    "https://services.panini.house/apps/#{id}/latest_releases"
+  end
+
+  def download_link_for(serial_number)
+    "#{download_link}?serial_number=#{serial_number}"
+  end
+
+  def marketing_list
+    Sendy.lists.optional[id]
+  end
+
+  def checkout_recovery_list
+    Sendy.lists.optional["#{id}_checkout_recovery"]
+  end
+
+  def self.all
+    template = ERB.new File.read(Rails.root.join("app", "data", "apps.yml.erb"))
+
+    YAML.load(template.result)
+      .map(&:with_indifferent_access)
+      .map { |app| new(**app) }
+  end
+
+  def self.find(id)
+    all.find { |app| app.id == id } || (raise AppNotFound)
+  end
+end
diff --git a/tests/spell.txt b/tests/spell.txt
new file mode 100644
index 0000000..003c825
--- /dev/null
+++ b/tests/spell.txt
@@ -0,0 +1,11 @@
+This is italy, john, colour.
+This is a corect sentence.
+america is a country.
+monday is a day.
+january is a month.
+london is a city.
+spanish is a language.
+This word is mispeled.
+This sentance has erors.
+This is a Rare word: phosphorescence.
+italian words lite meraviglioso.