test/script/basic/NASHORN-207_2.js

Tue, 21 Mar 2017 13:41:57 -0700

author
asaha
date
Tue, 21 Mar 2017 13:41:57 -0700
changeset 2160
1df40fe54cd6
parent 962
ac62e33a99b0
child 1205
4112748288bb
permissions
-rw-r--r--

Merge

     1 /*
     2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  */
    24 /**
    25  * NASHORN-207 : Implement strict mode.
    26  *
    27  * @test
    28  * @run
    29  */
    31 // make sure that 'use strict' as first directive inside eval
    32 // also works the same way (as eval called from strict mode caller).
    34 try {
    35     eval("'use strict'; foo = 4;");
    36     fail("#1 should have thrown ReferenceError");
    37 } catch (e) {
    38     if (! (e instanceof ReferenceError)) {
    39         fail("#2 expected ReferenceError but got " + e);
    40     }
    41 }
    43 if (typeof foo !== 'undefined') {
    44     fail("#3 strict mode eval defined var in global scope!");
    45 }
    47 try {
    48     eval("'use strict'; var let = 23;");
    49     fail("#4 should have thrown SyntaxError");
    50 } catch (e) {
    51     if (! (e instanceof SyntaxError)) {
    52         fail("#5 SyntaxError expected but got " + e);
    53     }
    54 }
    56 // non-strict mode, some of the future reserved words can be used
    57 // as identifiers. These include "let", "implements", "yield" etc.
    58 var let = 30;
    59 var implements = "hello";
    60 function yield() {}
    61 function public() {}
    62 var private = false;
    63 var protected = "hello";
    64 var interface = "interface";
    65 function f(package) {}
    66 function static() {}
    68 // in strict mode, arguments does not alias named access
    69 function func(x, y) {
    70     'use strict';
    72     if (x !== arguments[0]) {
    73         fail("#6 arguments[0] !== x");
    74     }
    76     if (y !== arguments[1]) {
    77         fail("#7 arguments[1] !== y");
    78     }
    80     arguments[0] = 1;
    81     arguments[1] = 2;
    83     if (x === arguments[0]) {
    84         fail("#8 arguments[0] === x after assignment to it");
    85     }
    87     if (y === arguments[1]) {
    88         fail("#9 arguments[1] === y after assignment to it ");
    89     }
    90 }
    92 func();
    94 // functions can not be declared everywhere!!
    95 try {
    96     eval("'use strict'; if (true) { function func() {} }");
    97     fail("#10 should have thrown SyntaxError");
    98 } catch (e) {
    99     if (! (e instanceof SyntaxError)) {
   100         fail("#11 SyntaxError expected got " + e);
   101     }
   102 }
   104 // arguments.caller and arguments.callee can't read or written in strict mode
   105 function func2() {
   106     'use strict';
   108     try {
   109         print(arguments.callee);
   110         fail("#12 arguments.callee should have thrown TypeError");
   111     } catch (e) {
   112         if (! (e instanceof TypeError)) {
   113             fail("#13 TypeError expected, got " + e);
   114         }
   115     }
   117     try {
   118         print(arguments.caller);
   119         fail("#14 arguments.caller should have thrown TypeError");
   120     } catch (e) {
   121         if (! (e instanceof TypeError)) {
   122             fail("#15 TypeError expected, got " + e);
   123         }
   124     }
   126     try {
   127         arguments.caller = 10;
   128         fail("#16 arguments.caller assign should have thrown TypeError");
   129     } catch (e) {
   130         if (! (e instanceof TypeError)) {
   131             fail("#17 TypeError expected, got " + e);
   132         }
   133     }
   135     try {
   136         arguments.callee = true;
   137         fail("#18 arguments.callee assign should have thrown TypeError");
   138     } catch (e) {
   139         if (! (e instanceof TypeError)) {
   140             fail("#19 TypeError expected, got " + e);
   141         }
   142     }
   143 }
   145 func2();
   147 // func.caller and func.arguments can't read or written in strict mode
   148 function func3() {
   149     'use strict';
   151     try {
   152         print(func3.arguments);
   153         fail("#20 func.arguments should have thrown TypeError");
   154     } catch (e) {
   155         if (! (e instanceof TypeError)) {
   156             fail("#21 TypeError expected, got " + e);
   157         }
   158     }
   160     try {
   161         print(func3.caller);
   162         fail("#22 func3.caller should have thrown TypeError");
   163     } catch (e) {
   164         if (! (e instanceof TypeError)) {
   165             fail("#23 TypeError expected, got " + e);
   166         }
   167     }
   169     try {
   170         func3.arguments = 10;
   171         fail("#24 func3.arguments assign should have thrown TypeError");
   172     } catch (e) {
   173         if (! (e instanceof TypeError)) {
   174             fail("#25 TypeError expected, got " + e);
   175         }
   176     }
   178     try {
   179         func3.caller = true;
   180         fail("#26 func3.caller assign should have thrown TypeError");
   181     } catch (e) {
   182         if (! (e instanceof TypeError)) {
   183             fail("#27 TypeError expected, got " + e);
   184         }
   185     }
   186 }
   188 func3();
   190 try {
   191     eval("function eval() { 'use strict'; }");
   192     fail("#28 should have thrown SyntaxError");
   193 } catch (e) {
   194     if (! (e instanceof SyntaxError)) {
   195         fail("#29 SyntaxError expected, got " + e);
   196     }
   197 }
   199 function func4() {
   200   'use \
   201 strict';
   203     // The use strict directive can't contain line continuation.
   204     // So this is not a strict mode function!!
   205     with({}) {}
   206 }
   208 func4();
   210 function func5() {
   211    'use\u2028strict';
   213     // The use strict directive can't contain unicode whitespace escapes
   214     // So this is not a strict mode function!!
   215     with({}) {}
   216 }
   218 func5();
   220 function func6() {
   221    'use\u2029strict';
   223     // The use strict directive can't contain unicode whitespace escapes
   224     // So this is not a strict mode function!!
   225     with({}) {}
   226 }
   228 func6();
   230 try {
   231     eval("'bogus directive'; 'use strict'; eval = 10");
   232     fail("#30 SyntaxError expected from eval");
   233 } catch (e) {
   234     if (! (e instanceof SyntaxError)) {
   235         fail("#31 SyntaxError expected but got " + e);
   236     }
   237 }

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