github.com/klaytn/klaytn@v1.12.1/blockchain/asm/lex_test.go (about)

     1  // Modifications Copyright 2018 The klaytn Authors
     2  // Copyright 2017 The go-ethereum Authors
     3  // This file is part of the go-ethereum library.
     4  //
     5  // The go-ethereum library is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Lesser General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // The go-ethereum library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  // GNU Lesser General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public License
    16  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    17  //
    18  // This file is derived from core/asm/lex_test.go (2018/06/04).
    19  // Modified and improved for the klaytn development.
    20  
    21  package asm
    22  
    23  import (
    24  	"reflect"
    25  	"testing"
    26  )
    27  
    28  func lexAll(src string) []token {
    29  	ch := Lex([]byte(src), false)
    30  
    31  	var tokens []token
    32  	for i := range ch {
    33  		tokens = append(tokens, i)
    34  	}
    35  	return tokens
    36  }
    37  
    38  func TestLexer(t *testing.T) {
    39  	tests := []struct {
    40  		input  string
    41  		tokens []token
    42  	}{
    43  		{
    44  			input:  ";; this is a comment",
    45  			tokens: []token{{typ: lineStart}, {typ: eof}},
    46  		},
    47  		{
    48  			input:  "0x12345678",
    49  			tokens: []token{{typ: lineStart}, {typ: number, text: "0x12345678"}, {typ: eof}},
    50  		},
    51  		{
    52  			input:  "0x123ggg",
    53  			tokens: []token{{typ: lineStart}, {typ: number, text: "0x123"}, {typ: element, text: "ggg"}, {typ: eof}},
    54  		},
    55  		{
    56  			input:  "12345678",
    57  			tokens: []token{{typ: lineStart}, {typ: number, text: "12345678"}, {typ: eof}},
    58  		},
    59  		{
    60  			input:  "123abc",
    61  			tokens: []token{{typ: lineStart}, {typ: number, text: "123"}, {typ: element, text: "abc"}, {typ: eof}},
    62  		},
    63  		{
    64  			input:  "0123abc",
    65  			tokens: []token{{typ: lineStart}, {typ: number, text: "0123"}, {typ: element, text: "abc"}, {typ: eof}},
    66  		},
    67  	}
    68  
    69  	for _, test := range tests {
    70  		tokens := lexAll(test.input)
    71  		if !reflect.DeepEqual(tokens, test.tokens) {
    72  			t.Errorf("input %q\ngot:  %+v\nwant: %+v", test.input, tokens, test.tokens)
    73  		}
    74  	}
    75  }