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/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* NASHORN-207 : Implement strict mode.
*
* @test
* @run
*/
// make sure that 'use strict' as first directive inside eval
// also works the same way (as eval called from strict mode caller).
try {
eval("'use strict'; foo = 4;");
fail("#1 should have thrown ReferenceError");
} catch (e) {
if (! (e instanceof ReferenceError)) {
fail("#2 expected ReferenceError but got " + e);
}
}
if (typeof foo !== 'undefined') {
fail("#3 strict mode eval defined var in global scope!");
}
try {
eval("'use strict'; var let = 23;");
fail("#4 should have thrown SyntaxError");
} catch (e) {
if (! (e instanceof SyntaxError)) {
fail("#5 SyntaxError expected but got " + e);
}
}
// non-strict mode, some of the future reserved words can be used
// as identifiers. These include "let", "implements", "yield" etc.
var let = 30;
var implements = "hello";
function yield() {}
function public() {}
var private = false;
var protected = "hello";
var interface = "interface";
function f(package) {}
function static() {}
// in strict mode, arguments does not alias named access
function func(x, y) {
'use strict';
if (x !== arguments[0]) {
fail("#6 arguments[0] !== x");
}
if (y !== arguments[1]) {
fail("#7 arguments[1] !== y");
}
arguments[0] = 1;
arguments[1] = 2;
if (x === arguments[0]) {
fail("#8 arguments[0] === x after assignment to it");
}
if (y === arguments[1]) {
fail("#9 arguments[1] === y after assignment to it ");
}
}
func();
// functions can not be declared everywhere!!
try {
eval("'use strict'; if (true) { function func() {} }");
fail("#10 should have thrown SyntaxError");
} catch (e) {
if (! (e instanceof SyntaxError)) {
fail("#11 SyntaxError expected got " + e);
}
}
// arguments.caller and arguments.callee can't read or written in strict mode
function func2() {
'use strict';
try {
print(arguments.callee);
fail("#12 arguments.callee should have thrown TypeError");
} catch (e) {
if (! (e instanceof TypeError)) {
fail("#13 TypeError expected, got " + e);
}
}
try {
print(arguments.caller);
fail("#14 arguments.caller should have thrown TypeError");
} catch (e) {
if (! (e instanceof TypeError)) {
fail("#15 TypeError expected, got " + e);
}
}
try {
arguments.caller = 10;
fail("#16 arguments.caller assign should have thrown TypeError");
} catch (e) {
if (! (e instanceof TypeError)) {
fail("#17 TypeError expected, got " + e);
}
}
try {
arguments.callee = true;
fail("#18 arguments.callee assign should have thrown TypeError");
} catch (e) {
if (! (e instanceof TypeError)) {
fail("#19 TypeError expected, got " + e);
}
}
}
func2();
// func.caller and func.arguments can't read or written in strict mode
function func3() {
'use strict';
try {
print(func3.arguments);
fail("#20 func.arguments should have thrown TypeError");
} catch (e) {
if (! (e instanceof TypeError)) {
fail("#21 TypeError expected, got " + e);
}
}
try {
print(func3.caller);
fail("#22 func3.caller should have thrown TypeError");
} catch (e) {
if (! (e instanceof TypeError)) {
fail("#23 TypeError expected, got " + e);
}
}
try {
func3.arguments = 10;
fail("#24 func3.arguments assign should have thrown TypeError");
} catch (e) {
if (! (e instanceof TypeError)) {
fail("#25 TypeError expected, got " + e);
}
}
try {
func3.caller = true;
fail("#26 func3.caller assign should have thrown TypeError");
} catch (e) {
if (! (e instanceof TypeError)) {
fail("#27 TypeError expected, got " + e);
}
}
}
func3();
try {
eval("function eval() { 'use strict'; }");
fail("#28 should have thrown SyntaxError");
} catch (e) {
if (! (e instanceof SyntaxError)) {
fail("#29 SyntaxError expected, got " + e);
}
}
function func4() {
'use \
strict';
// The use strict directive can't contain line continuation.
// So this is not a strict mode function!!
with({}) {}
}
func4();
function func5() {
'use\u2028strict';
// The use strict directive can't contain unicode whitespace escapes
// So this is not a strict mode function!!
with({}) {}
}
func5();
function func6() {
'use\u2029strict';
// The use strict directive can't contain unicode whitespace escapes
// So this is not a strict mode function!!
with({}) {}
}
func6();
try {
eval("'bogus directive'; 'use strict'; eval = 10");
fail("#30 SyntaxError expected from eval");
} catch (e) {
if (! (e instanceof SyntaxError)) {
fail("#31 SyntaxError expected but got " + e);
}
}
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