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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 // Test that we can handle function calls with up to 32766 arguments, and
     29 // that function calls with more arguments throw an exception.  Apply a
     30 // similar limit to the number of function parameters.
     31 
     32 // See http://code.google.com/p/v8/issues/detail?id=1122 and
     33 // http://code.google.com/p/v8/issues/detail?id=1413.
     34 
     35 function function_with_n_params_and_m_args(n, m) {
     36   test_prefix = 'prefix ';
     37   test_suffix = ' suffix';
     38   var source = 'test_prefix + (function f(';
     39   for (var arg = 0; arg < n ; arg++) {
     40     if (arg != 0) source += ',';
     41     source += 'arg' + arg;
     42   }
     43   source += ') { return arg' + (n - n % 2) / 2 + '; })(';
     44   for (var arg = 0; arg < m ; arg++) {
     45     if (arg != 0) source += ',';
     46     source += arg;
     47   }
     48   source += ') + test_suffix';
     49   return eval(source);
     50 }
     51 
     52 assertEquals('prefix 4000 suffix',
     53              function_with_n_params_and_m_args(8000, 8000));
     54 assertEquals('prefix 3000 suffix',
     55              function_with_n_params_and_m_args(6000, 8000));
     56 assertEquals('prefix 5000 suffix',
     57              function_with_n_params_and_m_args(10000, 8000));
     58 assertEquals('prefix 9000 suffix',
     59              function_with_n_params_and_m_args(18000, 18000));
     60 assertEquals('prefix 16000 suffix',
     61              function_with_n_params_and_m_args(32000, 32000));
     62 assertEquals('prefix undefined suffix',
     63              function_with_n_params_and_m_args(32000, 10000));
     64 
     65 assertThrows("function_with_n_params_and_m_args(66000, 30000)");
     66 assertThrows("function_with_n_params_and_m_args(30000, 66000)");
     67