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      1 // Copyright 2011 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 function f() {
     29   var i = 10;
     30   var c = 0;
     31   while (i-- > 0) {
     32     c++;
     33     if (i == 5) ;
     34   }
     35   assertEquals(10, c);
     36 }
     37 f();
     38 
     39 
     40 function f2() {
     41   var i = 10;
     42   var c = 0;
     43   while (i-- > 0) {
     44     c++;
     45     if (i == 5) break;
     46   }
     47   assertEquals(5, c);
     48 }
     49 f2();
     50 
     51 
     52 function f3() {
     53   var i = 10;
     54   var c = 0;
     55   outer: while (i-- > 0) {
     56     var j = 10;
     57     inner1: inner2: inner3: while (j-- > 0) {
     58       c++;
     59       if (i == 8)
     60         break inner2;
     61       if (i == 6)
     62         break outer;
     63     }
     64   }
     65   assertEquals(22, c);
     66 }
     67 f3();
     68 
     69 outer2: {
     70   break outer2;
     71   assertUnreachable();
     72 }
     73 
     74 
     75 outer3: break outer3;  // nop
     76 l1: l2: l3: break l2;  // nop
     77