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package org.json.simple.parser; |
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import java.io.IOException; |
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import java.io.StringReader; |
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import junit.framework.TestCase; |
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public class YylexTest extends TestCase { |
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public void testYylex() throws Exception{ |
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String s="\"\\/\""; |
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System.out.println(s); |
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StringReader in = new StringReader(s); |
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Yylex lexer=new Yylex(in); |
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Yytoken token=lexer.yylex(); |
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assertEquals(Yytoken.TYPE_VALUE,token.type); |
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assertEquals("/",token.value); |
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s="\"abc\\/\\r\\b\\n\\t\\f\\\\\""; |
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System.out.println(s); |
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in = new StringReader(s); |
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lexer=new Yylex(in); |
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token=lexer.yylex(); |
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assertEquals(Yytoken.TYPE_VALUE,token.type); |
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assertEquals("abc/\r\b\n\t\f\\",token.value); |
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|
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s="[\t \n\r\n{ \t \t\n\r}"; |
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System.out.println(s); |
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in = new StringReader(s); |
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lexer=new Yylex(in); |
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token=lexer.yylex(); |
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assertEquals(Yytoken.TYPE_LEFT_SQUARE,token.type); |
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token=lexer.yylex(); |
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assertEquals(Yytoken.TYPE_LEFT_BRACE,token.type); |
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token=lexer.yylex(); |
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assertEquals(Yytoken.TYPE_RIGHT_BRACE,token.type); |
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s="\b\f{"; |
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System.out.println(s); |
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in = new StringReader(s); |
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lexer=new Yylex(in); |
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ParseException err=null; |
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try{ |
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token=lexer.yylex(); |
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} |
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catch(ParseException e){ |
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err=e; |
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System.out.println("error:"+err); |
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assertEquals(ParseException.ERROR_UNEXPECTED_CHAR, e.getErrorType()); |
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assertEquals(0,e.getPosition()); |
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assertEquals(new Character('\b'),e.getUnexpectedObject()); |
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} |
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catch(IOException ie){ |
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throw ie; |
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} |
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assertTrue(err!=null); |
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|
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s="{a : b}"; |
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System.out.println(s); |
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in = new StringReader(s); |
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lexer=new Yylex(in); |
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err=null; |
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try{ |
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lexer.yylex(); |
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token=lexer.yylex(); |
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} |
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catch(ParseException e){ |
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err=e; |
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System.out.println("error:"+err); |
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assertEquals(ParseException.ERROR_UNEXPECTED_CHAR, e.getErrorType()); |
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assertEquals(new Character('a'),e.getUnexpectedObject()); |
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assertEquals(1,e.getPosition()); |
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} |
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catch(IOException ie){ |
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throw ie; |
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} |
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assertTrue(err!=null); |
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} |
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|
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} |