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