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      1 // Copyright 2013 the V8 project authors. All rights reserved.
      2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions
      6 // are met:
      7 // 1.  Redistributions of source code must retain the above copyright
      8 //     notice, this list of conditions and the following disclaimer.
      9 // 2.  Redistributions in binary form must reproduce the above copyright
     10 //     notice, this list of conditions and the following disclaimer in the
     11 //     documentation and/or other materials provided with the distribution.
     12 //
     13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 description(
     25 'This test checks break and continue behaviour in the presence of multiple labels.'
     26 );
     27 
     28 function test1()
     29 {
     30     var s = "";
     31 
     32     a:
     33     b:
     34     for (var i = 1; i < 10; i++) {
     35        if (i == 4)
     36             continue a;
     37        s += i;
     38     }
     39 
     40     return s;
     41 }
     42 
     43 shouldBe("test1()", "'12356789'");
     44 
     45 function test2()
     46 {
     47     var s = "";
     48 
     49     a:
     50     b:
     51     for (var i = 1; i < 10; i++) {
     52         if (i == 4)
     53             break a;
     54         s += i;
     55     }
     56 
     57     return s;
     58 }
     59 
     60 shouldBe("test2()", "'123'");
     61 
     62 function test3()
     63 {
     64     var i;
     65     for (i = 1; i < 10; i++) {
     66         try {
     67             continue;
     68         } finally {
     69             innerLoop:
     70             while (1) {
     71                 break innerLoop;
     72             }
     73         }
     74     }
     75 
     76     return i;
     77 }
     78 
     79 shouldBe("test3()", "10");
     80 
     81 function test4()
     82 {
     83     var i = 0;
     84 
     85     a:
     86     i++;
     87     while (1) {
     88         break;
     89     }
     90 
     91     return i;
     92 }
     93 
     94 shouldBe("test4()", "1");
     95 
     96 function test5()
     97 {
     98     var i = 0;
     99 
    100     switch (1) {
    101     default:
    102         while (1) {
    103             break;
    104         }
    105         i++;
    106     }
    107 
    108     return i;
    109 }
    110 
    111 shouldBe("test5()", "1");
    112