JSTests/es6/well-known_symbols_Symbol.toPrimitive.js

function test() {

var a = {}, b = {}, c = {};
var passed = 0;
a[Symbol.toPrimitive] = function(hint) { passed += hint === "number";  return 0; };
b[Symbol.toPrimitive] = function(hint) { passed += hint === "string";  return 0; };
c[Symbol.toPrimitive] = function(hint) { passed += hint === "default"; return 0; };

a >= 0;
b in {};
c == 0;
return passed === 3;
      
}

if (!test())
    throw new Error("Test failed");