/* This program is free software. It comes without any warranty, to * the extent permitted by applicable law. You can redistribute it * and/or modify it under the terms of the Do What The Fuck You Want * To Public License, Version 2, as published by Sam Hocevar. See * http://www.wtfpl.net/ for more details. */ var leftPad = require("./"); var test = require("tape"); test('edge cases', function (assert) { assert.plan(12); assert.strictEqual(leftPad('foobar', 6), 'foobar'); assert.strictEqual(leftPad('foobar', 5), 'foobar'); assert.strictEqual(leftPad('foobar', -1), 'foobar'); assert.strictEqual(leftPad('foobar', 6, '1'), 'foobar'); assert.strictEqual(leftPad('foobar', 5, '1'), 'foobar'); assert.strictEqual(leftPad('foobar', -1, '1'), 'foobar'); assert.strictEqual(leftPad('foobar', 8, ''), ' foobar'); assert.strictEqual(leftPad('foobar', 8, false), ' foobar', 'false default to space'); assert.strictEqual(leftPad('foobar', 8, 0), '00foobar', '0 is treated as 0'); assert.strictEqual(leftPad(0, 3, 1), '110', 'integer for str is converted to string'); assert.strictEqual(leftPad(true, 7), ' true', 'boolean for str is converted to string'); assert.strictEqual(leftPad('', 2), ' ', 'empty str for str'); }); test('spaces for ch', function (assert) { assert.plan(12); // default to space if not specified assert.strictEqual(leftPad('foo', 2), 'foo'); assert.strictEqual(leftPad('foo', 3), 'foo'); assert.strictEqual(leftPad('foo', 4), ' foo'); assert.strictEqual(leftPad('foo', 5), ' foo'); assert.strictEqual(leftPad('foo', 12), ' foo'); assert.strictEqual(leftPad('foo', 13), ' foo'); // explicit space param assert.strictEqual(leftPad('foo', 2, ' '), 'foo'); assert.strictEqual(leftPad('foo', 3, ' '), 'foo'); assert.strictEqual(leftPad('foo', 4, ' '), ' foo'); assert.strictEqual(leftPad('foo', 5, ' '), ' foo'); assert.strictEqual(leftPad('foo', 12, ' '), ' foo'); assert.strictEqual(leftPad('foo', 13, ' '), ' foo'); }); test('non spaces for ch', function (assert) { assert.plan(7); assert.strictEqual(leftPad(1, 2, 0), '01'); assert.strictEqual(leftPad(1, 2, '-'), '-1'); assert.strictEqual(leftPad('foo', 4, '*'), '*foo', '0b1 len'); assert.strictEqual(leftPad('foo', 5, '*'), '**foo', '0b10 len'); assert.strictEqual(leftPad('foo', 6, '*'), '***foo', '0b11 len'); assert.strictEqual(leftPad('foo', 7, '*'), '****foo', '0b001 len'); assert.strictEqual(leftPad('foo', 103, '*'), '****************************************************************************************************foo', '100 pad'); });