public void unterminatedStringsAreTokenised() {
assertTokens("'Tristan", isToken(TokenType.UNTERMINATED_STRING, "'Tristan"));
}
@Test
public void arrowsAreTokenised() {
<BUG>assertTokens("=>=>", isToken(TokenType.ARROW, "=>"), isToken(TokenType.ARROW, "=>"));
</BUG>
}
@Test
public void classesAreTokenised() {

public void unterminatedStringsAreTokenised() {
assertTokens("'Tristan", isToken(TokenType.UNTERMINATED_STRING, "'Tristan"));
}
@Test
public void arrowsAreTokenised() {
assertTokens("=>=>", isToken(TokenType.SYMBOL, "=>"), isToken(TokenType.SYMBOL, "=>"));
}
@Test
public void classesAreTokenised() {
