And more conformance bugs (hg tip fa491b75d3e4)

[Marcus Lagergren]

Wow! How do you find all these! This is extremely helpful, even though I'm not sure if I should hug you or beat you up ;-)

/M

On Sep 20, 2013, at 3:03 PM, André Bargull <andrebargull at googlemail.com> wrote:

> Some more compliance issues... :(
> 
> - André
> 
> 
> jjs> JSON.parse('{"a":0,"b":1}', function(p,v){print("p:"+p+"-"+v); if(p=="a"){this.b = Object.create({c:0})} return v})
> 
> Expected: property "c" not visited
> Actual: property "c" visited
> 
> jjs> JSON.parse('{"a":0,"b":1}', function(p,v){print("p:"+p+"-"+v); if(p=="a"){var arr=[123]; arr.x = 456; this.b=arr} return v})
> 
> Expected: property "x" not visited
> Actual: property "x" visited
> 
> jjs> JSON.parse('{"a":0,"b":1}', function(p,v){print("p:"+p+"-"+v); if(p=="a"){ this.b = {get x(){print("456"); return null}, set x(_){print("whoa")}} } return v})
> 
> Expected: "whoa" not printed
> Actual: "whoa" printed
> 
> jjs> JSON.parse('{"a":0,"b":1}', function(p,v){print("p:"+p+"-"+v); if(p=="a"){ this.b=Object.defineProperty({},"0",{value:123,enumerable:1}) } return (p!="0"?v:456) }).b[0]
> 
> Expected: returns 123
> Actual: returns 456
> 
> jjs> JSON.stringify({get x(){print("getter called")}}, ["x", "x"])
> 
> Expected: "getter called" appears once
> Actual: "getter called" appears twice
> 
> jjs> JSON.parse('[0,]')
> 
> Expected: JSON SyntaxError
> Actual: No SyntaxError
> 
> jjs> JSON.parse('{"a":0,}')
> 
> Expected: JSON SyntaxError
> Actual: No SyntaxError
> 
> jjs> JSON.stringify({},[],new Number(Infinity))
> 
> Expected: no ClassCastException
> Actual: ClassCastException thrown
> 
> jjs> JSON.stringify({},[],(n = new Number(0), n.valueOf = function(){throw "blubb"}, n))
> 
> Expected: "blubb" is thrown
> Actual: no exception
> 
> jjs> JSON.stringify({},[],(n = new String(""), n.toString = function(){throw "blubb"}, n))
> 
> Expected: "blubb" is thrown
> Actual: no exception
> 
> jjs> (function f(a){ Object.defineProperty(arguments,"0",{get value(){print("arrrgh")}})  })(0)
> 
> Expected: "arrrgh" printed once
> Actual: "arrrgh" printed twice
> 
> jjs> new RegExp({toString:function(){print("str1")}},{toString:function(){print("str2")}})
> 
> Expected: "str1" and then "str2"
> Actual: "str2" and then "str1"
> 
> jjs> new RegExp(/asdf/, {toString:function(){throw "blubb"}})
> 
> Expected: throw TypError instead of "blubb"
> Actual: "blubb" is thrown
> 
> jjs> "use strict"; Object.defineProperty(Object.defineProperty(/a/.exec("a"),"0",{configurable:0}), "length", {value:0}).length
> 
> Expected: throws TypeError
> Actual: returns 0
> 
> jjs> try{Object.defineProperty(a=[],"length",{writable:false, value:-1})}catch(e){}
> 
> Expected(?): a can still perform bulk ops
> Actual: IS_LENGTH_NOT_WRITABLE flag is set for a
> 
> jjs> (function(a){ Object.defineProperty(arguments,"0",{get configurable(){a=3; return true}, get:function(){return 2}}); return [a,arguments[0]] })(0)
> 
> Expected: returns array [3,2]
> Actual: returns array [0, 3]
> 
> jjs> Object.defineProperties(Object.defineProperty({},"a",{configurable:false}),{get a(){print("a");return{get value(){return 0}}},get b(){print("b");return{}}})
> 
> Expected: prints "a" and "b" then throws TypeError
> Actual: prints "a" then throws TypeError
> 
> jjs> Object.defineProperty({},"foo",{get configurable(){print("get configurable")}, get value(){print("get value")}, get get(){print("get get")}})
> 
> Expected: prints "get configurable", "get value", "get get" and then TypeError
> Actual: immediately throws TypeError
> 
> jjs> [1,2,3].splice(0)
> 
> Expected: returns [1,2,3] for web compat
> Actual: returns []
> 
> jjs> "0" in Array.prototype.slice.call(Object.create({length: 1}), 0, 1)
> 
> Expected: returns false
> Actual: returns true
> 
> jjs> [0].map(function(){ return this === (1,eval)("this") }, null)
> 
> Expected: returns [true]
> Actual: returns [false]
> 
> jjs> Object.defineProperty(Boolean.prototype, "length", {configurable:true, get:function(){obj=this; return 1}})[0] = "blubb"
> jjs> Array.prototype.reduce.call(false, function(a,b,i,o){print("same:"+(obj===o))}, 0)
> 
> Expected: prints "same:true"
> Actual: prints "same:false"
> 
> jjs> Object.defineProperty({},"",{get writable(){print("w")}, get enumerable(){print("e")}, get configurable(){print("c")}, get value(){print("v")}})
> 
> Expected: order is "e c v w"
> Actual: order is "c e w v"
> 
> jjs> Object.defineProperty({},"",{get enumerable(){print("e")}, get configurable(){print("c")}})
> 
> Expected: order is "e c"
> Actual: order is "c e"
> 
> jjs> Object.defineProperty({},"",{get enumerable(){print("e")}, get configurable(){print("c")}, get get(){print("g")}, get set(){print("s")}})
> 
> Expected: order is "e c g s"
> Actual: order is "c e g s"
> 
> jjs> Object.defineProperty([], "length", {value:{valueOf:function(){Object.prototype.get = 0; return 0}}})
> 
> Expected: no TypeError
> Actual: throws TypeError
> 
> jjs> Object.defineProperty(a=[1,2,3], "length", {value:{valueOf:function(){a[5] = 0; Object.seal(a); return 3}}})
> 
> Expected: TypeError is thrown
> Actual: no TypeError
> 
> jjs> Object.defineProperty(a=[0], "length", {value:{valueOf:function(){Object.defineProperty(a,1,{get:function(){return -1}}); return 1}}})[1]
> 
> Expected: throw TypeError
> Actual: returns -1 and array invariant violation
> 
> jjs> Object.prototype.get = 0; Object.defineProperty([],0,{__proto__: null, value:1})
> 
> Expected: returns array [1]
> Actual: TypeError is thrown
> 
> jjs> Object.defineProperty([],"length",{value:{valueOf:function(){print("asdf"); return 0}}}).length
> 
> Expected: print "asdf" twice
> Actual: "asdf" is printed only once
> 
> jjs> def = function(o,i){return Object.defineProperty(o,i,{configurable:true, get:function(){print("getter:"+i); o.length=0; return void 0}})}
> jjs> def(def([1,2,3],0),1).concat([])
> 
> Expected: don't print "getter:1"
> Actual: "getter:1" is printed
> 
> jjs> def = function(o,i){return Object.defineProperty(o,i,{configurable:true, get:function(){o.length=0; return void 0}})}
> jjs> "1" in def(def([1,2,3],0),1).concat([])
> 
> Expected: returns false
> Acual: returns true
> 
> jjs> Array.prototype.pop.call(Object.defineProperty({},"length",{get:function(){java.util.Objects.requireNonNull(null)}}))
> 
> Expected(?): don't swallow ClassCastExceptions and NullPointerExceptions in Array.prototype.pop et al.
> Actual: throws a TypeError
> 
> jjs> [].shift.call(o={length:2, 0:0}); "0" in o
> 
> Expected: returns false
> Actual: returns true
> 
> jjs> "0" in [].slice.call({length:1})
> 
> Expected: returns false
> Actual: returns true
> 
> jjs> Object.defineProperty([],0,{get:function(){print("ggett")}}).unshift(1)
> 
> Expected: "ggett" printed and then TypeError thrown
> Actual: returns 2
> 
> jjs> [].indexOf(null, {valueOf:function(){throw "not reached"}})
> 
> Expected: returns -1
> Actual: throws "not reached"
> 
> jjs> String.prototype.charAt.call({toString:function(){print("toStr")}}, {valueOf:function(){print("valueOf")}})
> 
> Expected: first "toStr" and then "valueOf" printed
> Actual: "valueOf" and then "toStr" printed
> 
> jjs> String.prototype.charCodeAt.call({toString:function(){print("toStr")}}, {valueOf:function(){print("valueOf")}})
> 
> Expected: first "toStr" and then "valueOf" printed
> Actual: "valueOf" and then "toStr" printed
> 
> jjs> "aa aa".match(/\b/g).length
> 
> Expected: returns 4
> Actual: returns 6
> (Note: spec bug https://bugs.ecmascript.org/show_bug.cgi?id=1467)
> 
> jjs> "aa aa".replace(/\b/g, "c")
> 
> Expected: returns "caac caac"
> Actual: returns "caacc caacc"
> (Note: spec bug https://bugs.ecmascript.org/show_bug.cgi?id=1467)
> 
> NativeString#splitString(), line 884: Why LinkedList instead of ArrayList?
> 
> jjs> "ababab".replace(/b/g, function(){return RegExp.leftContext})
> 
> Expected: returns "aaaabaaababa" (web compat)
> Actual: returns "aaa"
> 
> jjs> (r = /a/g, r.lastIndex = 0x100000000, r).test("a")
> 
> Expected: returns false
> Actual: returns true
> 
> jjs> parseFloat("2e2.")
> 
> Expected: returns 200
> Actual: returns NaN
> 
> jjs> parseInt("", {valueOf:function(){throw "blubb"}})
> 
> Expected: throws "blubb"
> Actual: returns NaN
> 
> jjs> parseInt("12345678901234567890", 10)+""
> 
> Expected: 12345678901234567000
> Actual:   12345678901234570000
> 
> jjs> (function f(){return eval("arguments"); var arguments})(); (function f(){return eval("arguments"); function arguments(){}})();
> jjs> (function (){return eval("arguments"); var arguments})(); (function (){return eval("arguments"); function arguments(){}})();
> java.lang.ClassCastException: Cannot cast jdk.nashorn.internal.scripts.JO1P0 to jdk.nashorn.internal.scripts.JO2P0
> 
> (Execute both lines after each other in a fresh shell)
> 
> Expected: return `function arguments(){}` for both lines
> Actual: first lines returns undefined and then ClassCastException