github.com/klaytn/klaytn@v1.10.2/blockchain/vm/intpool_test.go (about)

     1  // Modifications Copyright 2018 The klaytn Authors
     2  // Copyright 2018 The go-ethereum Authors
     3  // This file is part of the go-ethereum library.
     4  //
     5  // The go-ethereum library is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Lesser 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-ethereum 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 Lesser General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public License
    16  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    17  //
    18  // This file is derived from core/vm/intpool_test.go (2018/06/04).
    19  // Modified and improved for the klaytn development.
    20  
    21  package vm
    22  
    23  import (
    24  	"testing"
    25  )
    26  
    27  func TestIntPoolPoolGet(t *testing.T) {
    28  	poolOfIntPools.pools = make([]*intPool, 0, poolDefaultCap)
    29  
    30  	nip := poolOfIntPools.get()
    31  	if nip == nil {
    32  		t.Fatalf("Invalid pool allocation")
    33  	}
    34  }
    35  
    36  func TestIntPoolPoolPut(t *testing.T) {
    37  	poolOfIntPools.pools = make([]*intPool, 0, poolDefaultCap)
    38  
    39  	nip := poolOfIntPools.get()
    40  	if len(poolOfIntPools.pools) != 0 {
    41  		t.Fatalf("Pool got added to list when none should have been")
    42  	}
    43  
    44  	poolOfIntPools.put(nip)
    45  	if len(poolOfIntPools.pools) == 0 {
    46  		t.Fatalf("Pool did not get added to list when one should have been")
    47  	}
    48  }
    49  
    50  func TestIntPoolPoolReUse(t *testing.T) {
    51  	poolOfIntPools.pools = make([]*intPool, 0, poolDefaultCap)
    52  	nip := poolOfIntPools.get()
    53  	poolOfIntPools.put(nip)
    54  	poolOfIntPools.get()
    55  
    56  	if len(poolOfIntPools.pools) != 0 {
    57  		t.Fatalf("Invalid number of pools. Got %d, expected %d", len(poolOfIntPools.pools), 0)
    58  	}
    59  }