| 'use strict'; |
| |
| var test = require('tape'); |
| var inspect = require('object-inspect'); |
| var forEach = require('foreach'); |
| |
| var SLOT = require('../'); |
| |
| test('assert', function (t) { |
| forEach([null, undefined, true, false, 'foo', '', 42, 0], function (primitive) { |
| t['throws']( |
| function () { SLOT.assert(primitive, ''); }, |
| TypeError, |
| inspect(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| forEach([null, undefined, true, false, 42, 0, {}, [], function () {}, /a/g], function (nonString) { |
| t['throws']( |
| function () { SLOT.assert({}, nonString); }, |
| TypeError, |
| inspect(nonString) + ' is not a String' |
| ); |
| }); |
| |
| t['throws']( |
| function () { SLOT.assert({}, 'whatever'); }, |
| TypeError, |
| 'nonexistent slot throws' |
| ); |
| |
| var o = {}; |
| SLOT.set(o, 'x'); |
| t.doesNotThrow(function () { SLOT.assert(o, 'x'); }, 'existent slot noops'); |
| |
| t.end(); |
| }); |
| |
| test('has', function (t) { |
| forEach([null, undefined, true, false, 'foo', '', 42, 0], function (primitive) { |
| t['throws']( |
| function () { SLOT.has(primitive, ''); }, |
| TypeError, |
| inspect(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| forEach([null, undefined, true, false, 42, 0, {}, [], function () {}, /a/g], function (nonString) { |
| t['throws']( |
| function () { SLOT.has({}, nonString); }, |
| TypeError, |
| inspect(nonString) + ' is not a String' |
| ); |
| }); |
| |
| var o = {}; |
| |
| t.equal(SLOT.has(o, 'nonexistent'), false, 'nonexistent slot yields false'); |
| |
| SLOT.set(o, 'foo'); |
| t.equal(SLOT.has(o, 'foo'), true, 'existent slot yields true'); |
| |
| t.end(); |
| }); |
| |
| test('get', function (t) { |
| forEach([null, undefined, true, false, 'foo', '', 42, 0], function (primitive) { |
| t['throws']( |
| function () { SLOT.get(primitive, ''); }, |
| TypeError, |
| inspect(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| forEach([null, undefined, true, false, 42, 0, {}, [], function () {}, /a/g], function (nonString) { |
| t['throws']( |
| function () { SLOT.get({}, nonString); }, |
| TypeError, |
| inspect(nonString) + ' is not a String' |
| ); |
| }); |
| |
| var o = {}; |
| t.equal(SLOT.get(o, 'nonexistent'), undefined, 'nonexistent slot is undefined'); |
| |
| var v = {}; |
| SLOT.set(o, 'f', v); |
| t.equal(SLOT.get(o, 'f'), v, '"get" retrieves value set by "set"'); |
| |
| t.end(); |
| }); |
| |
| test('set', function (t) { |
| forEach([null, undefined, true, false, 'foo', '', 42, 0], function (primitive) { |
| t['throws']( |
| function () { SLOT.set(primitive, ''); }, |
| TypeError, |
| inspect(primitive) + ' is not an Object' |
| ); |
| }); |
| |
| forEach([null, undefined, true, false, 42, 0, {}, [], function () {}, /a/g], function (nonString) { |
| t['throws']( |
| function () { SLOT.set({}, nonString); }, |
| TypeError, |
| inspect(nonString) + ' is not a String' |
| ); |
| }); |
| |
| var o = function () {}; |
| t.equal(SLOT.get(o, 'f'), undefined, 'slot not set'); |
| |
| SLOT.set(o, 'f', 42); |
| t.equal(SLOT.get(o, 'f'), 42, 'slot was set'); |
| |
| SLOT.set(o, 'f', Infinity); |
| t.equal(SLOT.get(o, 'f'), Infinity, 'slot was set again'); |
| |
| t.end(); |
| }); |