go-ethereum/mobile/interface_test.go

91 lines
4.2 KiB
Go

// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package geth
import (
"fmt"
"math/big"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/common"
)
func TestInterfaceGetSet(t *testing.T) {
var tests = []struct {
method string
input interface{}
expect interface{}
}{
{"Bool", true, true},
{"Bool", false, false},
{"Bools", &Bools{[]bool{false, true}}, &Bools{[]bool{false, true}}},
{"String", "go-ethereum", "go-ethereum"},
{"Strings", &Strings{strs: []string{"hello", "world"}}, &Strings{strs: []string{"hello", "world"}}},
{"Binary", []byte{0x01, 0x02}, []byte{0x01, 0x02}},
{"Binaries", &Binaries{[][]byte{{0x01, 0x02}, {0x03, 0x04}}}, &Binaries{[][]byte{{0x01, 0x02}, {0x03, 0x04}}}},
{"Address", &Address{common.HexToAddress("deadbeef")}, &Address{common.HexToAddress("deadbeef")}},
{"Addresses", &Addresses{[]common.Address{common.HexToAddress("deadbeef"), common.HexToAddress("cafebabe")}}, &Addresses{[]common.Address{common.HexToAddress("deadbeef"), common.HexToAddress("cafebabe")}}},
{"Hash", &Hash{common.HexToHash("deadbeef")}, &Hash{common.HexToHash("deadbeef")}},
{"Hashes", &Hashes{[]common.Hash{common.HexToHash("deadbeef"), common.HexToHash("cafebabe")}}, &Hashes{[]common.Hash{common.HexToHash("deadbeef"), common.HexToHash("cafebabe")}}},
{"Int8", int8(1), int8(1)},
{"Int16", int16(1), int16(1)},
{"Int32", int32(1), int32(1)},
{"Int64", int64(1), int64(1)},
{"Int8s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
{"Int16s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
{"Int32s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
{"Int64s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
{"Uint8", NewBigInt(1), NewBigInt(1)},
{"Uint16", NewBigInt(1), NewBigInt(1)},
{"Uint32", NewBigInt(1), NewBigInt(1)},
{"Uint64", NewBigInt(1), NewBigInt(1)},
{"Uint8s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
{"Uint16s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
{"Uint32s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
{"Uint64s", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
{"BigInt", NewBigInt(1), NewBigInt(1)},
{"BigInts", &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}, &BigInts{[]*big.Int{big.NewInt(1), big.NewInt(2)}}},
}
args := NewInterfaces(len(tests))
callFn := func(receiver interface{}, method string, arg interface{}) interface{} {
rval := reflect.ValueOf(receiver)
rval.MethodByName(fmt.Sprintf("Set%s", method)).Call([]reflect.Value{reflect.ValueOf(arg)})
res := rval.MethodByName(fmt.Sprintf("Get%s", method)).Call(nil)
if len(res) > 0 {
return res[0].Interface()
}
return nil
}
for index, c := range tests {
// In theory the change of iface shouldn't effect the args value
iface, _ := args.Get(index)
result := callFn(iface, c.method, c.input)
if !reflect.DeepEqual(result, c.expect) {
t.Errorf("Interface get/set mismatch, want %v, got %v", c.expect, result)
}
// Check whether the underlying value in args is still zero
iface, _ = args.Get(index)
if iface.object != nil {
t.Error("Get operation is not write safe")
}
}
}