test/nashorn/script/basic/es6/let-const-switch.js

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 * 
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 * 
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 */

/**
 * JDK-8057980: let & const: remaining issues with lexical scoping
 *
 * @test
 * @run
 * @option --language=es6
 */

function tryEval(s) {
    try {
        eval(s);
    } catch (e) {
        print(String(e).replace(/\\/g, "/"));
    }
}

tryEval('var x = 0; switch (x) { case 0: { let   x = 1; print(x); } case 1: { let   x = 2; print(x); }} print(x);');
tryEval('var x = 0; switch (x) { case 0: { const x = 1; print(x); } case 1: { const x = 2; print(x); }} print(x);');

// TODO: the following should not throw
tryEval('switch (x) { case 0: let x = 1; }');
tryEval('switch (x) { case 0: const x = 1; }');