TokenParserTransformTest.java

import static org.junit.Assert.*;

import org.junit.*;

public class TokenParserTransformTest {

 TokenParser parser = new TokenParser();

 @Test
 public void transformOfATokenShouldReturnTheToken() {
 Token t = parser.transform("<=");
 assertSame("TOKEN should have code 22", t.getCode(), 22);
 assertEquals("TOKEN should have value of <=", t.getValue(), "<=");
 assertEquals("TOKEN should have type of <=", t.getValue(), "<=");
 assertEquals(t.getType(), "<=");
 }

 @Test
 public void transformOfASpaceShouldReturnTheToken() {
 Token t = parser.transform(" ");
 assertSame("SPACE should have code 26", t.getCode(), 26);
 assertEquals("SPACE should have value \" \"", t.getValue(), " ");
 assertEquals("SPACE should have type SPACE", t.getType(), "SPACE");
 }

 @Test
 public void transformOfAnEOLShouldReturnTheToken() {
 Token t = parser.transform("\n");
 assertSame("EOL should have code 27", t.getCode(), 27);
 assertEquals("EOL should have value \\n", t.getValue(), "\n");
 assertEquals("EOL should have type EOL", t.getType(), "EOL");
 }

 @Test
 public void transformOfAStringShouldReturnTheToken() {
 Token t = parser.transform("\"HELLO\"");
 assertSame("STRING should have value 3", t.getCode(), 3);
 assertEquals("STRING should have value \"HELLO\"", t.getValue(), "\"HELLO\"");
 assertEquals("STRING should have type STRING", t.getType(), "STRING");
 }

 @Test
 public void transformOfANumberShouldReturnTheToken() {
 Token t = parser.transform("10.124");
 assertSame("NUMBER should have value 29", t.getCode(), 29);
 assertEquals("NUMBER should have value 10.124", t.getValue(), "10.124");
 assertEquals("NUMBER should have value NUMBER", t.getType(), "NUMBER");
 }

 @Test
 public void transformOfAnIdentifierShouldReturnTheToken() {
 Token t = parser.transform("ABC");
 assertSame("IDENTIFIER should have value 28", t.getCode(), 28);
 assertEquals("IDENTIFIER should have value ABC", t.getValue(), "ABC");
 assertEquals("IDENTIFIER should have value IDENTIFIER", t.getType(), "IDENTIFIER");
 }

}