public void testLongToInt() {
IdExpression expression = new IdExpression("l");
expression.type = LongType.instance;
Cast cast = new Cast(expression);
cast.type = IntegerType.instance;
ExpressionVisitor visitor = new ExpressionVisitor(new SymbolTable());
assertEquals(cast, visitor.visit(cast));
}
public void testConcatCantOptimize() {
IdExpression id = new IdExpression("a");
id.type = new IdType("A");
Text text = new Text("a");
text.type = TextType.instance;
Plus plus = new Plus(text, id);
plus.type = TextType.instance;
ExpressionVisitor expressionVisitor = new ExpressionVisitor(new SymbolTable());
Expression expression = expressionVisitor.visit(plus);
assertTrue(expression instanceof Concat);
Concat concat = (Concat) expression;
assertEquals(text, concat.left);
assertEquals(id, concat.right);
}
private void multiplyWithOne(boolean oneOnLeft) {
Times t = new Times();
t.type = IntegerType.instance;
IdExpression id = new IdExpression("mult");
id.type = IntegerType.instance;
if (oneOnLeft) {
t.left = new Number(1);
t.right = id;
} else {
t.right = new Number(1);
t.left = id;
}
IdExpression idExp =
(IdExpression)
expressionSimplificationTester(t, IdExpression.class, IntegerType.instance, 0, false);
assertEquals(idExp.id, id.id);
}