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