diff options
Diffstat (limited to 'vm/vm_test.go')
| -rw-r--r-- | vm/vm_test.go | 170 |
1 files changed, 1 insertions, 169 deletions
diff --git a/vm/vm_test.go b/vm/vm_test.go index 0e1f2f93d..9bd147a72 100644 --- a/vm/vm_test.go +++ b/vm/vm_test.go @@ -1,171 +1,3 @@ package vm -import ( - "bytes" - "fmt" - "io/ioutil" - "log" - "math/big" - "os" - "testing" - - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/ethutil" - "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/state" - "github.com/ethereum/go-ethereum/trie" - // "github.com/obscuren/mutan" -) - -type TestEnv struct{} - -func (TestEnv) Origin() []byte { return nil } -func (TestEnv) BlockNumber() *big.Int { return nil } -func (TestEnv) BlockHash() []byte { return nil } -func (TestEnv) PrevHash() []byte { return nil } -func (TestEnv) Coinbase() []byte { return nil } -func (TestEnv) Time() int64 { return 0 } -func (TestEnv) GasLimit() *big.Int { return nil } -func (TestEnv) Difficulty() *big.Int { return nil } -func (TestEnv) Value() *big.Int { return nil } -func (TestEnv) AddLog(state.Log) {} - -func (TestEnv) Transfer(from, to Account, amount *big.Int) error { - return nil -} - -// This is likely to fail if anything ever gets looked up in the state trie :-) -func (TestEnv) State() *state.State { - return state.New(trie.New(nil, "")) -} - -const mutcode = ` -var x = 0; -for i := 0; i < 10; i++ { - x = i -} - -return x` - -func setup(level logger.LogLevel, typ Type) (*Closure, VirtualMachine) { - code, err := ethutil.Compile(mutcode, true) - if err != nil { - log.Fatal(err) - } - - // Pipe output to /dev/null - logger.AddLogSystem(logger.NewStdLogSystem(ioutil.Discard, log.LstdFlags, level)) - - ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "") - - stateObject := state.NewStateObject([]byte{'j', 'e', 'f', 'f'}) - callerClosure := NewClosure(nil, stateObject, stateObject, code, big.NewInt(1000000), big.NewInt(0)) - - return callerClosure, New(TestEnv{}, typ) -} - -var big9 = ethutil.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000009") - -func TestDebugVm(t *testing.T) { - // if mutan.Version < "0.6" { - // t.Skip("skipping for mutan version", mutan.Version, " < 0.6") - // } - - closure, vm := setup(logger.DebugLevel, DebugVmTy) - ret, _, e := closure.Call(vm, nil) - if e != nil { - t.Fatalf("Call returned error: %v", e) - } - if !bytes.Equal(ret, big9) { - t.Errorf("Wrong return value '%x', want '%x'", ret, big9) - } -} - -func TestVm(t *testing.T) { - // if mutan.Version < "0.6" { - // t.Skip("skipping for mutan version", mutan.Version, " < 0.6") - // } - - closure, vm := setup(logger.DebugLevel, StandardVmTy) - ret, _, e := closure.Call(vm, nil) - if e != nil { - t.Fatalf("Call returned error: %v", e) - } - if !bytes.Equal(ret, big9) { - t.Errorf("Wrong return value '%x', want '%x'", ret, big9) - } -} - -func BenchmarkDebugVm(b *testing.B) { - closure, vm := setup(logger.InfoLevel, DebugVmTy) - - b.ResetTimer() - - for i := 0; i < b.N; i++ { - closure.Call(vm, nil) - } -} - -func BenchmarkVm(b *testing.B) { - closure, vm := setup(logger.InfoLevel, StandardVmTy) - - b.ResetTimer() - - for i := 0; i < b.N; i++ { - closure.Call(vm, nil) - } -} - -func RunCode(mutCode string, typ Type) []byte { - code, err := ethutil.Compile(mutCode, true) - if err != nil { - log.Fatal(err) - } - - logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.InfoLevel)) - - ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "") - - stateObject := state.NewStateObject([]byte{'j', 'e', 'f', 'f'}) - closure := NewClosure(nil, stateObject, stateObject, code, big.NewInt(1000000), big.NewInt(0)) - - vm := New(TestEnv{}, typ) - ret, _, e := closure.Call(vm, nil) - if e != nil { - fmt.Println(e) - } - - return ret -} - -func TestBuildInSha256(t *testing.T) { - ret := RunCode(` - var in = 42 - var out = 0 - - call(0x2, 0, 10000, in, out) - - return out - `, DebugVmTy) - - exp := crypto.Sha256(ethutil.LeftPadBytes([]byte{42}, 32)) - if bytes.Compare(ret, exp) != 0 { - t.Errorf("Expected %x, got %x", exp, ret) - } -} - -func TestBuildInRipemd(t *testing.T) { - ret := RunCode(` - var in = 42 - var out = 0 - - call(0x3, 0, 10000, in, out) - - return out - `, DebugVmTy) - - exp := ethutil.RightPadBytes(crypto.Ripemd160(ethutil.LeftPadBytes([]byte{42}, 32)), 32) - if bytes.Compare(ret, exp) != 0 { - t.Errorf("Expected %x, got %x", exp, ret) - } -} +// Tests have been removed in favour of general tests. If anything implementation specific needs testing, put it here |