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// uneval works on objects with no callable .toSource method.
var obj = Object.create(null);
assertEq(uneval(obj), "({})");
assertEq(Function.prototype.toSource.call(obj), "({})");
obj.x = 1;
obj.y = 2;
assertEq(uneval(obj), "({x:1, y:2})");
var d = new Date();
delete Date.prototype.toSource;
assertEq(uneval(d), "({})");
delete Object.prototype.toSource;
assertEq(uneval({p: 2+2}), "({p:4})");
assertEq(uneval({toSource: [0]}), "({toSource:[0]})");
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