github.com/bloxroute-labs/bor@v0.1.4/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 "testing"
    20  
    21  func TestMemoryGasCost(t *testing.T) {
    22  	tests := []struct {
    23  		size     uint64
    24  		cost     uint64
    25  		overflow bool
    26  	}{
    27  		{0x1fffffffe0, 36028809887088637, false},
    28  		{0x1fffffffe1, 0, true},
    29  	}
    30  	for i, tt := range tests {
    31  		v, err := memoryGasCost(&Memory{}, tt.size)
    32  		if (err == errGasUintOverflow) != tt.overflow {
    33  			t.Errorf("test %d: overflow mismatch: have %v, want %v", i, err == errGasUintOverflow, tt.overflow)
    34  		}
    35  		if v != tt.cost {
    36  			t.Errorf("test %d: gas cost mismatch: have %v, want %v", i, v, tt.cost)
    37  		}
    38  	}
    39  }