// Copyright 2016 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 . package abi import ( "math/big" "reflect" "testing" "github.com/davecgh/go-spew/spew" "github.com/ethereum/go-ethereum/common" ) // typeWithoutStringer is a alias for the Type type which simply doesn't implement // the stringer interface to allow printing type details in the tests below. type typeWithoutStringer Type // Tests that all allowed types get recognized by the type parser. func TestTypeRegexp(t *testing.T) { tests := []struct { blob string kind Type }{ {"bool", Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}}, {"bool[]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]bool(nil)), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[]"}}, {"bool[2]", Type{Size: 2, Kind: reflect.Array, T: ArrayTy, Type: reflect.TypeOf([2]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[2]"}}, {"bool[2][]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([][2]bool{}), Elem: &Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[2]"}, stringKind: "bool[2][]"}}, {"bool[][]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([][]bool{}), Elem: &Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[]"}, stringKind: "bool[][]"}}, {"bool[][2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2][]bool{}), Elem: &Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[]"}, stringKind: "bool[][2]"}}, {"bool[2][2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2][2]bool{}), Elem: &Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[2]"}, stringKind: "bool[2][2]"}}, {"bool[2][][2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2][][2]bool{}), Elem: &Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([][2]bool{}), Elem: &Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[2]"}, stringKind: "bool[2][]"}, stringKind: "bool[2][][2]"}}, {"bool[2][2][2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2][2][2]bool{}), Elem: &Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2][2]bool{}), Elem: &Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[2]"}, stringKind: "bool[2][2]"}, stringKind: "bool[2][2][2]"}}, {"bool[][][]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([][][]bool{}), Elem: &Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([][]bool{}), Elem: &Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[]"}, stringKind: "bool[][]"}, stringKind: "bool[][][]"}}, {"bool[][2][]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([][2][]bool{}), Elem: &Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2][]bool{}), Elem: &Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([]bool{}), Elem: &Type{Kind: reflect.Bool, T: BoolTy, Type: reflect.TypeOf(bool(false)), stringKind: "bool"}, stringKind: "bool[]"}, stringKind: "bool[][2]"}, stringKind: "bool[][2][]"}}, {"int8", Type{Kind: reflect.Int8, Type: int8T, Size: 8, T: IntTy, stringKind: "int8"}}, {"int16", Type{Kind: reflect.Int16, Type: int16T, Size: 16, T: IntTy, stringKind: "int16"}}, {"int32", Type{Kind: reflect.Int32, Type: int32T, Size: 32, T: IntTy, stringKind: "int32"}}, {"int64", Type{Kind: reflect.Int64, Type: int64T, Size: 64, T: IntTy, stringKind: "int64"}}, {"int256", Type{Kind: reflect.Ptr, Type: bigT, Size: 256, T: IntTy, stringKind: "int256"}}, {"int8[]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]int8{}), Elem: &Type{Kind: reflect.Int8, Type: int8T, Size: 8, T: IntTy, stringKind: "int8"}, stringKind: "int8[]"}}, {"int8[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]int8{}), Elem: &Type{Kind: reflect.Int8, Type: int8T, Size: 8, T: IntTy, stringKind: "int8"}, stringKind: "int8[2]"}}, {"int16[]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]int16{}), Elem: &Type{Kind: reflect.Int16, Type: int16T, Size: 16, T: IntTy, stringKind: "int16"}, stringKind: "int16[]"}}, {"int16[2]", Type{Size: 2, Kind: reflect.Array, T: ArrayTy, Type: reflect.TypeOf([2]int16{}), Elem: &Type{Kind: reflect.Int16, Type: int16T, Size: 16, T: IntTy, stringKind: "int16"}, stringKind: "int16[2]"}}, {"int32[]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]int32{}), Elem: &Type{Kind: reflect.Int32, Type: int32T, Size: 32, T: IntTy, stringKind: "int32"}, stringKind: "int32[]"}}, {"int32[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]int32{}), Elem: &Type{Kind: reflect.Int32, Type: int32T, Size: 32, T: IntTy, stringKind: "int32"}, stringKind: "int32[2]"}}, {"int64[]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]int64{}), Elem: &Type{Kind: reflect.Int64, Type: int64T, Size: 64, T: IntTy, stringKind: "int64"}, stringKind: "int64[]"}}, {"int64[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]int64{}), Elem: &Type{Kind: reflect.Int64, Type: int64T, Size: 64, T: IntTy, stringKind: "int64"}, stringKind: "int64[2]"}}, {"int256[]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]*big.Int{}), Elem: &Type{Kind: reflect.Ptr, Type: bigT, Size: 256, T: IntTy, stringKind: "int256"}, stringKind: "int256[]"}}, {"int256[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]*big.Int{}), Elem: &Type{Kind: reflect.Ptr, Type: bigT, Size: 256, T: IntTy, stringKind: "int256"}, stringKind: "int256[2]"}}, {"uint8", Type{Kind: reflect.Uint8, Type: uint8T, Size: 8, T: UintTy, stringKind: "uint8"}}, {"uint16", Type{Kind: reflect.Uint16, Type: uint16T, Size: 16, T: UintTy, stringKind: "uint16"}}, {"uint32", Type{Kind: reflect.Uint32, Type: uint32T, Size: 32, T: UintTy, stringKind: "uint32"}}, {"uint64", Type{Kind: reflect.Uint64, Type: uint64T, Size: 64, T: UintTy, stringKind: "uint64"}}, {"uint256", Type{Kind: reflect.Ptr, Type: bigT, Size: 256, T: UintTy, stringKind: "uint256"}}, {"uint8[]", Type{Kind: reflect.Slice, T: SliceTy, Type: reflect.TypeOf([]uint8{}), Elem: &Type{Kind: reflect.Uint8, Type: uint8T, Size: 8, T: UintTy, stringKind: "uint8"}, stringKind: "uint8[]"}}, {"uint8[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]uint8{}), Elem: &Type{Kind: reflect.Uint8, Type: uint8T, Size: 8, T: UintTy, stringKind: "uint8"}, stringKind: "uint8[2]"}}, {"uint16[]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([]uint16{}), Elem: &Type{Kind: reflect.Uint16, Type: uint16T, Size: 16, T: UintTy, stringKind: "uint16"}, stringKind: "uint16[]"}}, {"uint16[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]uint16{}), Elem: &Type{Kind: reflect.Uint16, Type: uint16T, Size: 16, T: UintTy, stringKind: "uint16"}, stringKind: "uint16[2]"}}, {"uint32[]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([]uint32{}), Elem: &Type{Kind: reflect.Uint32, Type: uint32T, Size: 32, T: UintTy, stringKind: "uint32"}, stringKind: "uint32[]"}}, {"uint32[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]uint32{}), Elem: &Type{Kind: reflect.Uint32, Type: uint32T, Size: 32, T: UintTy, stringKind: "uint32"}, stringKind: "uint32[2]"}}, {"uint64[]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([]uint64{}), Elem: &Type{Kind: reflect.Uint64, Type: uint64T, Size: 64, T: UintTy, stringKind: "uint64"}, stringKind: "uint64[]"}}, {"uint64[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]uint64{}), Elem: &Type{Kind: reflect.Uint64, Type: uint64T, Size: 64, T: UintTy, stringKind: "uint64"}, stringKind: "uint64[2]"}}, {"uint256[]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([]*big.Int{}), Elem: &Type{Kind: reflect.Ptr, Type: bigT, Size: 256, T: UintTy, stringKind: "uint256"}, stringKind: "uint256[]"}}, {"uint256[2]", Type{Kind: reflect.Array, T: ArrayTy, Type: reflect.TypeOf([2]*big.Int{}), Size: 2, Elem: &Type{Kind: reflect.Ptr, Type: bigT, Size: 256, T: UintTy, stringKind: "uint256"}, stringKind: "uint256[2]"}}, {"bytes32", Type{Kind: reflect.Array, T: FixedBytesTy, Size: 32, Type: reflect.TypeOf([32]byte{}), stringKind: "bytes32"}}, {"bytes[]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([][]byte{}), Elem: &Type{Kind: reflect.Slice, Type: reflect.TypeOf([]byte{}), T: BytesTy, stringKind: "bytes"}, stringKind: "bytes[]"}}, {"bytes[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2][]byte{}), Elem: &Type{T: BytesTy, Type: reflect.TypeOf([]byte{}), Kind: reflect.Slice, stringKind: "bytes"}, stringKind: "bytes[2]"}}, {"bytes32[]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([][32]byte{}), Elem: &Type{Kind: reflect.Array, Type: reflect.TypeOf([32]byte{}), T: FixedBytesTy, Size: 32, stringKind: "bytes32"}, stringKind: "bytes32[]"}}, {"bytes32[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2][32]byte{}), Elem: &Type{Kind: reflect.Array, T: FixedBytesTy, Size: 32, Type: reflect.TypeOf([32]byte{}), stringKind: "bytes32"}, stringKind: "bytes32[2]"}}, {"string", Type{Kind: reflect.String, T: StringTy, Type: reflect.TypeOf(""), stringKind: "string"}}, {"string[]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([]string{}), Elem: &Type{Kind: reflect.String, Type: reflect.TypeOf(""), T: StringTy, stringKind: "string"}, stringKind: "string[]"}}, {"string[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]string{}), Elem: &Type{Kind: reflect.String, T: StringTy, Type: reflect.TypeOf(""), stringKind: "string"}, stringKind: "string[2]"}}, {"address", Type{Kind: reflect.Array, Type: addressT, Size: 20, T: AddressTy, stringKind: "address"}}, {"address[]", Type{T: SliceTy, Kind: reflect.Slice, Type: reflect.TypeOf([]common.Address{}), Elem: &Type{Kind: reflect.Array, Type: addressT, Size: 20, T: AddressTy, stringKind: "address"}, stringKind: "address[]"}}, {"address[2]", Type{Kind: reflect.Array, T: ArrayTy, Size: 2, Type: reflect.TypeOf([2]common.Address{}), Elem: &Type{Kind: reflect.Array, Type: addressT, Size: 20, T: AddressTy, stringKind: "address"}, stringKind: "address[2]"}}, // TODO when fixed types are implemented properly // {"fixed", Type{}}, // {"fixed128x128", Type{}}, // {"fixed[]", Type{}}, // {"fixed[2]", Type{}}, // {"fixed128x128[]", Type{}}, // {"fixed128x128[2]", Type{}}, } for _, tt := range tests { typ, err := NewType(tt.blob) if err != nil { t.Errorf("type %q: failed to parse type string: %v", tt.blob, err) } if !reflect.DeepEqual(typ, tt.kind) { t.Errorf("type %q: parsed type mismatch:\nGOT %s\nWANT %s ", tt.blob, spew.Sdump(typeWithoutStringer(typ)), spew.Sdump(typeWithoutStringer(tt.kind))) } } } func TestTypeCheck(t *testing.T) { for i, test := range []struct { typ string input interface{} err string }{ {"uint", big.NewInt(1), "unsupported arg type: uint"}, {"int", big.NewInt(1), "unsupported arg type: int"}, {"uint256", big.NewInt(1), ""}, {"uint256[][3][]", [][3][]*big.Int{{{}}}, ""}, {"uint256[][][3]", [3][][]*big.Int{{{}}}, ""}, {"uint256[3][][]", [][][3]*big.Int{{{}}}, ""}, {"uint256[3][3][3]", [3][3][3]*big.Int{{{}}}, ""}, {"uint8[][]", [][]uint8{}, ""}, {"int256", big.NewInt(1), ""}, {"uint8", uint8(1), ""}, {"uint16", uint16(1), ""}, {"uint32", uint32(1), ""}, {"uint64", uint64(1), ""}, {"int8", int8(1), ""}, {"int16", int16(1), ""}, {"int32", int32(1), ""}, {"int64", int64(1), ""}, {"uint24", big.NewInt(1), ""}, {"uint40", big.NewInt(1), ""}, {"uint48", big.NewInt(1), ""}, {"uint56", big.NewInt(1), ""}, {"uint72", big.NewInt(1), ""}, {"uint80", big.NewInt(1), ""}, {"uint88", big.NewInt(1), ""}, {"uint96", big.NewInt(1), ""}, {"uint104", big.NewInt(1), ""}, {"uint112", big.NewInt(1), ""}, {"uint120", big.NewInt(1), ""}, {"uint128", big.NewInt(1), ""}, {"uint136", big.NewInt(1), ""}, {"uint144", big.NewInt(1), ""}, {"uint152", big.NewInt(1), ""}, {"uint160", big.NewInt(1), ""}, {"uint168", big.NewInt(1), ""}, {"uint176", big.NewInt(1), ""}, {"uint184", big.NewInt(1), ""}, {"uint192", big.NewInt(1), ""}, {"uint200", big.NewInt(1), ""}, {"uint208", big.NewInt(1), ""}, {"uint216", big.NewInt(1), ""}, {"uint224", big.NewInt(1), ""}, {"uint232", big.NewInt(1), ""}, {"uint240", big.NewInt(1), ""}, {"uint248", big.NewInt(1), ""}, {"int24", big.NewInt(1), ""}, {"int40", big.NewInt(1), ""}, {"int48", big.NewInt(1), ""}, {"int56", big.NewInt(1), ""}, {"int72", big.NewInt(1), ""}, {"int80", big.NewInt(1), ""}, {"int88", big.NewInt(1), ""}, {"int96", big.NewInt(1), ""}, {"int104", big.NewInt(1), ""}, {"int112", big.NewInt(1), ""}, {"int120", big.NewInt(1), ""}, {"int128", big.NewInt(1), ""}, {"int136", big.NewInt(1), ""}, {"int144", big.NewInt(1), ""}, {"int152", big.NewInt(1), ""}, {"int160", big.NewInt(1), ""}, {"int168", big.NewInt(1), ""}, {"int176", big.NewInt(1), ""}, {"int184", big.NewInt(1), ""}, {"int192", big.NewInt(1), ""}, {"int200", big.NewInt(1), ""}, {"int208", big.NewInt(1), ""}, {"int216", big.NewInt(1), ""}, {"int224", big.NewInt(1), ""}, {"int232", big.NewInt(1), ""}, {"int240", big.NewInt(1), ""}, {"int248", big.NewInt(1), ""}, {"uint30", uint8(1), "abi: cannot use uint8 as type ptr as argument"}, {"uint8", uint16(1), "abi: cannot use uint16 as type uint8 as argument"}, {"uint8", uint32(1), "abi: cannot use uint32 as type uint8 as argument"}, {"uint8", uint64(1), "abi: cannot use uint64 as type uint8 as argument"}, {"uint8", int8(1), "abi: cannot use int8 as type uint8 as argument"}, {"uint8", int16(1), "abi: cannot use int16 as type uint8 as argument"}, {"uint8", int32(1), "abi: cannot use int32 as type uint8 as argument"}, {"uint8", int64(1), "abi: cannot use int64 as type uint8 as argument"}, {"uint16", uint16(1), ""}, {"uint16", uint8(1), "abi: cannot use uint8 as type uint16 as argument"}, {"uint16[]", []uint16{1, 2, 3}, ""}, {"uint16[]", [3]uint16{1, 2, 3}, ""}, {"uint16[]", []uint32{1, 2, 3}, "abi: cannot use []uint32 as type [0]uint16 as argument"}, {"uint16[3]", [3]uint32{1, 2, 3}, "abi: cannot use [3]uint32 as type [3]uint16 as argument"}, {"uint16[3]", [4]uint16{1, 2, 3}, "abi: cannot use [4]uint16 as type [3]uint16 as argument"}, {"uint16[3]", []uint16{1, 2, 3}, ""}, {"uint16[3]", []uint16{1, 2, 3, 4}, "abi: cannot use [4]uint16 as type [3]uint16 as argument"}, {"address[]", []common.Address{{1}}, ""}, {"address[1]", []common.Address{{1}}, ""}, {"address[1]", [1]common.Address{{1}}, ""}, {"address[2]", [1]common.Address{{1}}, "abi: cannot use [1]array as type [2]array as argument"}, {"bytes32", [32]byte{}, ""}, {"bytes31", [31]byte{}, ""}, {"bytes30", [30]byte{}, ""}, {"bytes29", [29]byte{}, ""}, {"bytes28", [28]byte{}, ""}, {"bytes27", [27]byte{}, ""}, {"bytes26", [26]byte{}, ""}, {"bytes25", [25]byte{}, ""}, {"bytes24", [24]byte{}, ""}, {"bytes23", [23]byte{}, ""}, {"bytes22", [22]byte{}, ""}, {"bytes21", [21]byte{}, ""}, {"bytes20", [20]byte{}, ""}, {"bytes19", [19]byte{}, ""}, {"bytes18", [18]byte{}, ""}, {"bytes17", [17]byte{}, ""}, {"bytes16", [16]byte{}, ""}, {"bytes15", [15]byte{}, ""}, {"bytes14", [14]byte{}, ""}, {"bytes13", [13]byte{}, ""}, {"bytes12", [12]byte{}, ""}, {"bytes11", [11]byte{}, ""}, {"bytes10", [10]byte{}, ""}, {"bytes9", [9]byte{}, ""}, {"bytes8", [8]byte{}, ""}, {"bytes7", [7]byte{}, ""}, {"bytes6", [6]byte{}, ""}, {"bytes5", [5]byte{}, ""}, {"bytes4", [4]byte{}, ""}, {"bytes3", [3]byte{}, ""}, {"bytes2", [2]byte{}, ""}, {"bytes1", [1]byte{}, ""}, {"bytes32", [33]byte{}, "abi: cannot use [33]uint8 as type [32]uint8 as argument"}, {"bytes32", common.Hash{1}, ""}, {"bytes31", common.Hash{1}, "abi: cannot use common.Hash as type [31]uint8 as argument"}, {"bytes31", [32]byte{}, "abi: cannot use [32]uint8 as type [31]uint8 as argument"}, {"bytes", []byte{0, 1}, ""}, {"bytes", [2]byte{0, 1}, "abi: cannot use array as type slice as argument"}, {"bytes", common.Hash{1}, "abi: cannot use array as type slice as argument"}, {"string", "hello world", ""}, {"string", string(""), ""}, {"string", []byte{}, "abi: cannot use slice as type string as argument"}, {"bytes32[]", [][32]byte{{}}, ""}, {"function", [24]byte{}, ""}, {"bytes20", common.Address{}, ""}, {"address", [20]byte{}, ""}, {"address", common.Address{}, ""}, {"bytes32[]]", "", "invalid arg type in abi"}, {"invalidType", "", "unsupported arg type: invalidType"}, {"invalidSlice[]", "", "unsupported arg type: invalidSlice"}, } { typ, err := NewType(test.typ) if err != nil && len(test.err) == 0 { t.Fatal("unexpected parse error:", err) } else if err != nil && len(test.err) != 0 { if err.Error() != test.err { t.Errorf("%d failed. Expected err: '%v' got err: '%v'", i, test.err, err) } continue } err = typeCheck(typ, reflect.ValueOf(test.input)) if err != nil && len(test.err) == 0 { t.Errorf("%d failed. Expected no err but got: %v", i, err) continue } if err == nil && len(test.err) != 0 { t.Errorf("%d failed. Expected err: %v but got none", i, test.err) continue } if err != nil && len(test.err) != 0 && err.Error() != test.err { t.Errorf("%d failed. Expected err: '%v' got err: '%v'", i, test.err, err) } } }