122 lines
3 KiB
JavaScript
122 lines
3 KiB
JavaScript
'use strict';
|
|
|
|
var test = require('tape');
|
|
var inspect = require('object-inspect');
|
|
var forEach = require('for-each');
|
|
|
|
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['throws'](function () { SLOT.assert(o, 'y'); }, 'thing with a slot throws on a nonexistent slot');
|
|
|
|
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();
|
|
});
|