test.js
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test.js
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	var assert = require("assert");
	var e = require("deep-equal");

	var text_edits = require("./text-edits.js");

	var edits = text_edits.edits;
	var any_char = text_edits.any_char;


	function s(text, start, end, direction){
	var ret = {
	text: text,
	start: start,
	end: end,
	direction: direction
	}

	if(direction == undefined) delete ret.direction;
	return ret;
	}

	assert.deepEqual(
	edits.insert_char(s("ala ma kota", 11, 11)),
	s("ala ma kota" + any_char, 12, 12)
	)

	assert.deepEqual(
	edits.insert_char(s("ala ma kota", 0, 0)),
	s(any_char + "ala ma kota", 1, 1)
	)

	assert.deepEqual(
	edits.insert_char(s("ala ma kota", 1, 1)),
	s("a" + any_char + "la ma kota", 2, 2)
	)

	assert.deepEqual(
	edits.insert_char(s("ala ma kota", 0, 11)),
	s(any_char, 1, 1)
	)

	assert.deepEqual(
	edits.insert_char(s("ala ma kota", 1, 11)),
	s("a" + any_char, 2, 2)
	)

	assert.deepEqual(
	edits.delete(s("ala ma kota", 0, 0)),
	s("la ma kota", 0, 0)
	)

	assert.deepEqual(
	edits.delete(s("ala ma kota", 11, 11)),
	s("ala ma kota", 11, 11)
	)

	assert.deepEqual(
	edits.delete(s("ala ma kota", 10, 10)),
	s("ala ma kot",10, 10)
	)

	assert.deepEqual(
	edits.delete(s("ala ma kota", 0, 3)),
	s(" ma kota", 0 ,0)
	)

	console.log("Passed all tests! :)")