github.com/alanchchen/go-ethereum@v1.6.6-0.20170601190819-6171d01b1195/core/vm/gas_table_test.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package vm
    18  
    19  import (
    20  	"math"
    21  	"testing"
    22  )
    23  
    24  func TestMemoryGasCost(t *testing.T) {
    25  	size := uint64(math.MaxUint64 - 64)
    26  	_, err := memoryGasCost(&Memory{}, size)
    27  	if err != nil {
    28  		t.Error("didn't expect error:", err)
    29  	}
    30  
    31  	_, err = memoryGasCost(&Memory{}, size+32)
    32  	if err != nil {
    33  		t.Error("didn't expect error:", err)
    34  	}
    35  
    36  	_, err = memoryGasCost(&Memory{}, size+33)
    37  	if err == nil {
    38  		t.Error("expected error")
    39  	}
    40  }