github.com/devfans/go-ethereum@v1.5.10-0.20170326212234-7419d0c38291/core/asm/lex_test.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package asm
    18  
    19  import "testing"
    20  
    21  func lexAll(src string) []token {
    22  	ch := Lex("test.asm", []byte(src), false)
    23  
    24  	var tokens []token
    25  	for i := range ch {
    26  		tokens = append(tokens, i)
    27  	}
    28  	return tokens
    29  }
    30  
    31  func TestComment(t *testing.T) {
    32  	tokens := lexAll(";; this is a comment")
    33  	if len(tokens) != 2 { // {new line, EOF}
    34  		t.Error("expected no tokens")
    35  	}
    36  }