src/third_party/mozjs-45/js/src/tests/js1_8_5/reflect-parse/lexicals.js

// |reftest| skip-if(!xulRuntime.shell)
function test() {

// global let is var
assertGlobalDecl("let {x:y} = foo;", letDecl([{ id: objPatt([assignProp("x", ident("y"))]),
                                                init: ident("foo") }]));
// function-global let is let
assertLocalDecl("let {x:y} = foo;", letDecl([{ id: objPatt([assignProp("x", ident("y"))]),
                                               init: ident("foo") }]));
// block-local let is let
assertBlockDecl("let {x:y} = foo;", letDecl([{ id: objPatt([assignProp("x", ident("y"))]),
                                               init: ident("foo") }]));

assertDecl("const {x:y} = foo;", constDecl([{ id: objPatt([assignProp("x", ident("y"))]),
                                              init: ident("foo") }]));

}

runtest(test);