michael@0: var g = newGlobal();
michael@0: 
michael@0: function cloneableFunction(body) {
michael@0:     return evaluate("(function () { " + body + " })", {compileAndGo: false});
michael@0: }
michael@0: 
michael@0: g.f = cloneableFunction('return function(x) { return x };');
michael@0: assertEq(g.eval("clone(f)()(9)"), 9);
michael@0: 
michael@0: g.f = cloneableFunction('return function(x) { let(y = x+1) { return y } };');
michael@0: assertEq(g.eval("clone(f)()(9)"), 10);
michael@0: 
michael@0: g.f = cloneableFunction('return function(x) { let(y = x, z = 1) { return y+z } };');
michael@0: assertEq(g.eval("clone(f)()(9)"), 10);
michael@0: 
michael@0: g.f = cloneableFunction('return function(x) { return x.search(/ponies/) };');
michael@0: assertEq(g.eval("clone(f)()('123ponies')"), 3);
michael@0: 
michael@0: g.f = cloneableFunction('return function(x,y) { return x.search(/a/) + y.search(/b/) };');
michael@0: assertEq(g.eval("clone(f)()('12a','foo')"), 1);
michael@0: 
michael@0: g.f = cloneableFunction('return [function(x) x+2, function(y) let(z=y+1) z];');
michael@0: assertEq(g.eval("let ([f,g] = clone(f)()) f(g(4))"), 7);
michael@0: 
michael@0: g.f = cloneableFunction('return function(x) { switch(x) { case "a": return "b"; case null: return "c" } };');
michael@0: assertEq(g.eval("clone(f)()('a')"), "b");
michael@0: assertEq(g.eval("clone(f)()(null)"), "c");
michael@0: assertEq(g.eval("clone(f)()(3)"), undefined);