github.com/linapex/ethereum-dpos-chinese@v0.0.0-20190316121959-b78b3a4a1ece/core/vm/runtime/runtime_test.go (about)

     1  
     2  //<developer>
     3  //    <name>linapex 曹一峰</name>
     4  //    <email>linapex@163.com</email>
     5  //    <wx>superexc</wx>
     6  //    <qqgroup>128148617</qqgroup>
     7  //    <url>https://jsq.ink</url>
     8  //    <role>pku engineer</role>
     9  //    <date>2019-03-16 12:09:36</date>
    10  //</624342623963844608>
    11  
    12  
    13  package runtime
    14  
    15  import (
    16  	"math/big"
    17  	"strings"
    18  	"testing"
    19  
    20  	"github.com/ethereum/go-ethereum/accounts/abi"
    21  	"github.com/ethereum/go-ethereum/common"
    22  	"github.com/ethereum/go-ethereum/core/state"
    23  	"github.com/ethereum/go-ethereum/core/vm"
    24  	"github.com/ethereum/go-ethereum/ethdb"
    25  )
    26  
    27  func TestDefaults(t *testing.T) {
    28  	cfg := new(Config)
    29  	setDefaults(cfg)
    30  
    31  	if cfg.Difficulty == nil {
    32  		t.Error("expected difficulty to be non nil")
    33  	}
    34  
    35  	if cfg.Time == nil {
    36  		t.Error("expected time to be non nil")
    37  	}
    38  	if cfg.GasLimit == 0 {
    39  		t.Error("didn't expect gaslimit to be zero")
    40  	}
    41  	if cfg.GasPrice == nil {
    42  		t.Error("expected time to be non nil")
    43  	}
    44  	if cfg.Value == nil {
    45  		t.Error("expected time to be non nil")
    46  	}
    47  	if cfg.GetHashFn == nil {
    48  		t.Error("expected time to be non nil")
    49  	}
    50  	if cfg.BlockNumber == nil {
    51  		t.Error("expected block number to be non nil")
    52  	}
    53  }
    54  
    55  func TestEVM(t *testing.T) {
    56  	defer func() {
    57  		if r := recover(); r != nil {
    58  			t.Fatalf("crashed with: %v", r)
    59  		}
    60  	}()
    61  
    62  	Execute([]byte{
    63  		byte(vm.DIFFICULTY),
    64  		byte(vm.TIMESTAMP),
    65  		byte(vm.GASLIMIT),
    66  		byte(vm.PUSH1),
    67  		byte(vm.ORIGIN),
    68  		byte(vm.BLOCKHASH),
    69  		byte(vm.COINBASE),
    70  	}, nil, nil)
    71  }
    72  
    73  func TestExecute(t *testing.T) {
    74  	ret, _, err := Execute([]byte{
    75  		byte(vm.PUSH1), 10,
    76  		byte(vm.PUSH1), 0,
    77  		byte(vm.MSTORE),
    78  		byte(vm.PUSH1), 32,
    79  		byte(vm.PUSH1), 0,
    80  		byte(vm.RETURN),
    81  	}, nil, nil)
    82  	if err != nil {
    83  		t.Fatal("didn't expect error", err)
    84  	}
    85  
    86  	num := new(big.Int).SetBytes(ret)
    87  	if num.Cmp(big.NewInt(10)) != 0 {
    88  		t.Error("Expected 10, got", num)
    89  	}
    90  }
    91  
    92  func TestCall(t *testing.T) {
    93  	state, _ := state.New(common.Hash{}, state.NewDatabase(ethdb.NewMemDatabase()))
    94  	address := common.HexToAddress("0x0a")
    95  	state.SetCode(address, []byte{
    96  		byte(vm.PUSH1), 10,
    97  		byte(vm.PUSH1), 0,
    98  		byte(vm.MSTORE),
    99  		byte(vm.PUSH1), 32,
   100  		byte(vm.PUSH1), 0,
   101  		byte(vm.RETURN),
   102  	})
   103  
   104  	ret, _, err := Call(address, nil, &Config{State: state})
   105  	if err != nil {
   106  		t.Fatal("didn't expect error", err)
   107  	}
   108  
   109  	num := new(big.Int).SetBytes(ret)
   110  	if num.Cmp(big.NewInt(10)) != 0 {
   111  		t.Error("Expected 10, got", num)
   112  	}
   113  }
   114  
   115  func BenchmarkCall(b *testing.B) {
   116  	var definition = `[{"constant":true,"inputs":[],"name":"seller","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"abort","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"value","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":false,"inputs":[],"name":"refund","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"buyer","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmReceived","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmPurchase","outputs":[],"type":"function"},{"inputs":[],"type":"constructor"},{"anonymous":false,"inputs":[],"name":"Aborted","type":"event"},{"anonymous":false,"inputs":[],"name":"PurchaseConfirmed","type":"event"},{"anonymous":false,"inputs":[],"name":"ItemReceived","type":"event"},{"anonymous":false,"inputs":[],"name":"Refunded","type":"event"}]`
   117  
   118  	var code = common.Hex2Bytes("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")
   119  
   120  	abi, err := abi.JSON(strings.NewReader(definition))
   121  	if err != nil {
   122  		b.Fatal(err)
   123  	}
   124  
   125  	cpurchase, err := abi.Pack("confirmPurchase")
   126  	if err != nil {
   127  		b.Fatal(err)
   128  	}
   129  	creceived, err := abi.Pack("confirmReceived")
   130  	if err != nil {
   131  		b.Fatal(err)
   132  	}
   133  	refund, err := abi.Pack("refund")
   134  	if err != nil {
   135  		b.Fatal(err)
   136  	}
   137  
   138  	b.ResetTimer()
   139  	for i := 0; i < b.N; i++ {
   140  		for j := 0; j < 400; j++ {
   141  			Execute(code, cpurchase, nil)
   142  			Execute(code, creceived, nil)
   143  			Execute(code, refund, nil)
   144  		}
   145  	}
   146  }
   147