github.com/oskarth/go-ethereum@v1.6.8-0.20191013093314-dac24a9d3494/tests/state_test.go (about)

     1  // Copyright 2015 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 tests
    18  
    19  import (
    20  	"bytes"
    21  	"fmt"
    22  	"reflect"
    23  	"testing"
    24  
    25  	"github.com/ethereum/go-ethereum/core/vm"
    26  )
    27  
    28  func TestState(t *testing.T) {
    29  	t.Parallel()
    30  
    31  	st := new(testMatcher)
    32  	// Long tests:
    33  	st.slow(`^stAttackTest/ContractCreationSpam`)
    34  	st.slow(`^stBadOpcode/badOpcodes`)
    35  	st.slow(`^stPreCompiledContracts/modexp`)
    36  	st.slow(`^stQuadraticComplexityTest/`)
    37  	st.slow(`^stStaticCall/static_Call50000`)
    38  	st.slow(`^stStaticCall/static_Return50000`)
    39  	st.slow(`^stStaticCall/static_Call1MB`)
    40  	st.slow(`^stSystemOperationsTest/CallRecursiveBomb`)
    41  	st.slow(`^stTransactionTest/Opcodes_TransactionInit`)
    42  	// Broken tests:
    43  	st.skipLoad(`^stTransactionTest/OverflowGasRequire\.json`) // gasLimit > 256 bits
    44  	st.skipLoad(`^stTransactionTest/zeroSigTransa[^/]*\.json`) // EIP-86 is not supported yet
    45  	// Expected failures:
    46  	st.fails(`^stRevertTest/RevertPrecompiledTouch\.json/EIP158`, "bug in test")
    47  	st.fails(`^stRevertTest/RevertPrecompiledTouch\.json/Byzantium`, "bug in test")
    48  	st.fails(`^stRevertTest/RevertPrecompiledTouch.json/Constantinople`, "bug in test")
    49  
    50  	st.walk(t, stateTestDir, func(t *testing.T, name string, test *StateTest) {
    51  		for _, subtest := range test.Subtests() {
    52  			subtest := subtest
    53  			key := fmt.Sprintf("%s/%d", subtest.Fork, subtest.Index)
    54  			name := name + "/" + key
    55  			t.Run(key, func(t *testing.T) {
    56  				withTrace(t, test.gasLimit(subtest), func(vmconfig vm.Config) error {
    57  					_, err := test.Run(subtest, vmconfig)
    58  					return st.checkFailure(t, name, err)
    59  				})
    60  			})
    61  		}
    62  	})
    63  }
    64  
    65  // Transactions with gasLimit above this value will not get a VM trace on failure.
    66  const traceErrorLimit = 400000
    67  
    68  func withTrace(t *testing.T, gasLimit uint64, test func(vm.Config) error) {
    69  	err := test(vm.Config{})
    70  	if err == nil {
    71  		return
    72  	}
    73  	t.Error(err)
    74  	if gasLimit > traceErrorLimit {
    75  		t.Log("gas limit too high for EVM trace")
    76  		return
    77  	}
    78  	tracer := vm.NewStructLogger(nil)
    79  	err2 := test(vm.Config{Debug: true, Tracer: tracer})
    80  	if !reflect.DeepEqual(err, err2) {
    81  		t.Errorf("different error for second run: %v", err2)
    82  	}
    83  	buf := new(bytes.Buffer)
    84  	vm.WriteTrace(buf, tracer.StructLogs())
    85  	if buf.Len() == 0 {
    86  		t.Log("no EVM operation logs generated")
    87  	} else {
    88  		t.Log("EVM operation log:\n" + buf.String())
    89  	}
    90  	t.Logf("EVM output: 0x%x", tracer.Output())
    91  	t.Logf("EVM error: %v", tracer.Error())
    92  }