github.com/igggame/nebulas-go@v2.1.0+incompatible/nf/nvm/test/instruction_counter_tests/switch.js (about)

     1  // Copyright (C) 2017 go-nebulas authors
     2  //
     3  // This file is part of the go-nebulas library.
     4  //
     5  // the go-nebulas library is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // the go-nebulas library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU General Public License
    16  // along with the go-nebulas library.  If not, see <http://www.gnu.org/licenses/>.
    17  //
    18  const assert = require('assert.js');
    19  
    20  function assertEqual(func, args, expected, expected_count, msg) {
    21      const count_of_helper_statement = 46;
    22      var count = _instruction_counter.count;
    23      assert.equal(func.apply(null, args), expected);
    24      assert.equal(_instruction_counter.count - count - count_of_helper_statement, expected_count, msg);
    25  };
    26  
    27  
    28  // test1.
    29  var gen1X = function (a) {
    30      var o = {};
    31      o.get = function () {
    32          return a;
    33      }
    34      return o;
    35  }
    36  var test1 = function (x) {
    37      var ret = 0;
    38      switch (x.get()) {
    39          case 1:
    40              ret = 1 + 2;
    41              break;
    42          case 2:
    43              ret = 2 * 2;
    44              break;
    45          case 3:
    46              ret = 3 * 3;
    47          case 4:
    48              ret += 4 * 4;
    49              break;
    50          case 100:
    51              return 100;
    52          case 101:
    53              return 3 * x.get();
    54          default:
    55              ret = x.get() * 2 + 13;
    56      }
    57      return ret;
    58  };
    59  assertEqual(test1, [gen1X(1)], 3, 18);
    60  assertEqual(test1, [gen1X(2)], 4, 18);
    61  assertEqual(test1, [gen1X(3)], 25, 24);
    62  assertEqual(test1, [gen1X(4)], 16, 18);
    63  assertEqual(test1, [gen1X(100)], 100, 12);
    64  assertEqual(test1, [gen1X(101)], 303, 27);
    65  assertEqual(test1, [gen1X(50)], 113, 33);
    66  
    67  // test2.
    68  var gen2X = function (a) {
    69      return [a];
    70  }
    71  var test2 = function (x) {
    72      var ret = 0;
    73      switch (x[0]) {
    74          case 1:
    75              ret = 1 + 2;
    76              break;
    77          case 2:
    78              ret = 2 * 2;
    79              break;
    80          case 3:
    81              ret = 3 * 3;
    82          case 4:
    83              ret += 4 * 4;
    84              break;
    85          case 100:
    86              return 100;
    87          case 101:
    88              return 3 * x[0];
    89          default:
    90              ret = x[0] * 2 + 13;
    91      }
    92      return ret;
    93  };
    94  assertEqual(test2, [gen2X(1)], 3, 10);
    95  assertEqual(test2, [gen2X(2)], 4, 10);
    96  assertEqual(test2, [gen2X(3)], 25, 16);
    97  assertEqual(test2, [gen2X(4)], 16, 10);
    98  assertEqual(test2, [gen2X(100)], 100, 4);
    99  assertEqual(test2, [gen2X(101)], 303, 11);
   100  assertEqual(test2, [gen2X(50)], 113, 17);