73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
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package abi
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import (
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"bytes"
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"math/big"
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"reflect"
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"testing"
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)
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func TestNumberTypes(t *testing.T) {
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ubytes := make([]byte, 32)
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ubytes[31] = 1
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sbytesmin := []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
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unsigned := U256(big.NewInt(1))
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if !bytes.Equal(unsigned, ubytes) {
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t.Error("expected %x got %x", ubytes, unsigned)
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}
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signed := S256(big.NewInt(1))
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if !bytes.Equal(signed, ubytes) {
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t.Error("expected %x got %x", ubytes, unsigned)
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}
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signed = S256(big.NewInt(-1))
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if !bytes.Equal(signed, sbytesmin) {
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t.Error("expected %x got %x", ubytes, unsigned)
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}
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}
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func TestPackNumber(t *testing.T) {
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ubytes := make([]byte, 32)
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ubytes[31] = 1
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sbytesmin := []byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
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maxunsigned := []byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255}
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packed := packNum(reflect.ValueOf(1), IntTy)
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if !bytes.Equal(packed, ubytes) {
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t.Errorf("expected %x got %x", ubytes, packed)
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}
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packed = packNum(reflect.ValueOf(-1), IntTy)
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if !bytes.Equal(packed, sbytesmin) {
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t.Errorf("expected %x got %x", ubytes, packed)
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}
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packed = packNum(reflect.ValueOf(1), UintTy)
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if !bytes.Equal(packed, ubytes) {
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t.Errorf("expected %x got %x", ubytes, packed)
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}
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packed = packNum(reflect.ValueOf(-1), UintTy)
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if !bytes.Equal(packed, maxunsigned) {
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t.Errorf("expected %x got %x", maxunsigned, packed)
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}
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packed = packNum(reflect.ValueOf("string"), UintTy)
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if packed != nil {
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t.Errorf("expected 'string' to pack to nil. got %x instead", packed)
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}
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}
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func TestSigned(t *testing.T) {
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if isSigned(reflect.ValueOf(uint(10))) {
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t.Error()
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}
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if !isSigned(reflect.ValueOf(int(10))) {
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t.Error()
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}
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if !isSigned(reflect.ValueOf(big.NewInt(10))) {
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t.Error()
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}
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}
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