github.com/linapex/ethereum-dpos-chinese@v0.0.0-20190316121959-b78b3a4a1ece/tests/state_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 12:09:50</date>
    10  //</624342686119235584>
    11  
    12  //
    13  //
    14  //
    15  //
    16  //
    17  //
    18  //
    19  //
    20  //
    21  //
    22  //
    23  //
    24  //
    25  //
    26  //
    27  
    28  package tests
    29  
    30  import (
    31  	"bytes"
    32  	"fmt"
    33  	"reflect"
    34  	"testing"
    35  
    36  	"github.com/ethereum/go-ethereum/core/vm"
    37  )
    38  
    39  func TestState(t *testing.T) {
    40  	t.Parallel()
    41  
    42  	st := new(testMatcher)
    43  //
    44  	st.skipShortMode(`^stQuadraticComplexityTest/`)
    45  //
    46  st.skipLoad(`^stTransactionTest/OverflowGasRequire\.json`) //
    47  st.skipLoad(`^stTransactionTest/zeroSigTransa[^/]*\.json`) //
    48  //
    49  	st.fails(`^stRevertTest/RevertPrecompiledTouch\.json/EIP158`, "bug in test")
    50  	st.fails(`^stRevertTest/RevertPrecompiledTouch\.json/Byzantium`, "bug in test")
    51  
    52  	st.walk(t, stateTestDir, func(t *testing.T, name string, test *StateTest) {
    53  		for _, subtest := range test.Subtests() {
    54  			subtest := subtest
    55  			key := fmt.Sprintf("%s/%d", subtest.Fork, subtest.Index)
    56  			name := name + "/" + key
    57  			t.Run(key, func(t *testing.T) {
    58  				if subtest.Fork == "Constantinople" {
    59  					t.Skip("constantinople not supported yet")
    60  				}
    61  				withTrace(t, test.gasLimit(subtest), func(vmconfig vm.Config) error {
    62  					_, err := test.Run(subtest, vmconfig)
    63  					return st.checkFailure(t, name, err)
    64  				})
    65  			})
    66  		}
    67  	})
    68  }
    69  
    70  //
    71  const traceErrorLimit = 400000
    72  
    73  func withTrace(t *testing.T, gasLimit uint64, test func(vm.Config) error) {
    74  	err := test(vm.Config{})
    75  	if err == nil {
    76  		return
    77  	}
    78  	t.Error(err)
    79  	if gasLimit > traceErrorLimit {
    80  		t.Log("gas limit too high for EVM trace")
    81  		return
    82  	}
    83  	tracer := vm.NewStructLogger(nil)
    84  	err2 := test(vm.Config{Debug: true, Tracer: tracer})
    85  	if !reflect.DeepEqual(err, err2) {
    86  		t.Errorf("different error for second run: %v", err2)
    87  	}
    88  	buf := new(bytes.Buffer)
    89  	vm.WriteTrace(buf, tracer.StructLogs())
    90  	if buf.Len() == 0 {
    91  		t.Log("no EVM operation logs generated")
    92  	} else {
    93  		t.Log("EVM operation log:\n" + buf.String())
    94  	}
    95  	t.Logf("EVM output: 0x%x", tracer.Output())
    96  	t.Logf("EVM error: %v", tracer.Error())
    97  }
    98