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LexerTest.java
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81 lines (63 loc) · 2.58 KB
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package tests;
import java.util.Arrays;
import java.util.List;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import translator.LexException;
import translator.Lexer;
import translator.Token;
import translator.TokenType;
import static translator.TokenType.*;
@RunWith(Parameterized.class)
public class LexerTest extends Assert {
private Lexer l;
private String input;
private boolean res;
private List<TokenType> tokenList;
@Parameterized.Parameters
public static List<Object[]> isEmptyData() {
return Arrays.asList(new Object[][] {
{ "$aa=3;", true, Arrays.asList(VAR, ASSIGN, INT, SEMICOLON) },
{ "$a=$a+3;", true, Arrays.asList(VAR, ASSIGN, VAR, OPP, INT, SEMICOLON) },
{ "$a=$a-3;", true, Arrays.asList(VAR, ASSIGN, VAR, OPP, INT, SEMICOLON) },
{ "$a=$a%3;", true, Arrays.asList(VAR, ASSIGN, VAR, OPM, INT, SEMICOLON) },
{ "echo $a;", true, Arrays.asList(ECHO, WHITESPACE, VAR, SEMICOLON) },
{ "print $a;", true, Arrays.asList(PRINT, WHITESPACE, VAR, SEMICOLON) },
{ "echo \"Text1\";", true, Arrays.asList(ECHO, WHITESPACE, TEXT, SEMICOLON) },
{ "f(2);", true, Arrays.asList(FUNAME, OPEN, INT, CLOSE, SEMICOLON)},
{ "for($a = 0; $a < 5; $a++) {", true,
Arrays.asList(FOR, OPEN, VAR, WHITESPACE, ASSIGN, WHITESPACE, INT, SEMICOLON,
WHITESPACE, VAR, WHITESPACE, UNEQUAL, WHITESPACE, INT, SEMICOLON,
WHITESPACE, VAR, INC, CLOSE, WHITESPACE, OPEN2)},
{ "}", true, Arrays.asList(CLOSE2)},
{"while($a < 5) {", true,
Arrays.asList(WHILE, OPEN, VAR, WHITESPACE, UNEQUAL, WHITESPACE, INT,
CLOSE, WHITESPACE, OPEN2) },
{"$a++", true, Arrays.asList(VAR, INC)},
{"$k=5.123", true, Arrays.asList(VAR, ASSIGN, FLOAT)},
{"echo $string_var.\"\\n\";", true,
Arrays.asList(ECHO, WHITESPACE, VAR, DOT, TEXT,SEMICOLON)},
{"echo \"String 1\".\" \".$string_var;", true,
Arrays.asList(ECHO, WHITESPACE, TEXT, DOT, TEXT, DOT, VAR, SEMICOLON)}
});
}
@Before
public void prepare(){
}
public LexerTest(final String s, final boolean result, final List<TokenType> tl) {
l = new Lexer();
input = s;
res = result;
tokenList = tl;
}
@Test
public void testLexer() throws LexException{
List<Token> tokens = l.read(input);
for (int i = 0; i < tokens.size(); i++) {
assertEquals(tokenList.get(i), tokens.get(i).name);
}
}
}