Method testStringFuncs

test/org/apache/pig/test/TestBuiltin.java:1778–2023

()

    }

    @Test
    public void testStringFuncs() throws Exception {
        // Since String functions are trivial we add test on per case basis
        String inputStr = "Hello World!";
        String inputStrLower = "hello world!";
        String inputStrUpper = "HELLO WORLD!";
        String inputStrCamel = "hello World!";
        String inputStroWitha = "Hella Warld!";
        String inputStrSpaceRight = "Hello World!   ";
        String inputStrSpaceLeft = "   Hello World!";
        String inputStrSpaceBoth = "   Hello World!   ";

        List<Object> l = new LinkedList<Object>();
        l.add(inputStr);
        l.add("o");

        String expected = null;
        Tuple input;
        String output;
        Integer intOutput;
        EvalFunc<String> strFunc;
        EvalFunc<Integer> intFunc;

        strFunc = new LCFIRST();
        input = TupleFactory.getInstance().newTuple(inputStr);
        expected = inputStrCamel;
        output = strFunc.exec(input);
        assertTrue(output.equals(expected));

        strFunc = new UCFIRST();
        input = TupleFactory.getInstance().newTuple(inputStrCamel);
        expected = inputStr;
        output = strFunc.exec(input);
        assertTrue(output.equals(expected));

        intFunc = new LAST_INDEX_OF();
        input = TupleFactory.getInstance().newTuple(l);
        intOutput = intFunc.exec(input);
        assertTrue(intOutput.intValue()==7);

        intFunc = new INDEXOF();
        input = TupleFactory.getInstance().newTuple(l);
        intOutput = intFunc.exec(input);
        assertTrue(intOutput.intValue()==4);

        strFunc = new UPPER();
        input = TupleFactory.getInstance().newTuple(inputStr);
        expected = inputStrUpper;
        output = strFunc.exec(input);
        assertTrue(output.equals(expected));

        strFunc = new LOWER();
        input = TupleFactory.getInstance().newTuple(inputStr);
        expected = inputStrLower;
        output = strFunc.exec(input);
        assertTrue(output.equals(expected));

        strFunc = new REPLACE();