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From "Dmitri Blinov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (JEXL-270) Wrong Script$Curried creation when script.curry() method is called inside script
Date Tue, 28 Aug 2018 09:43:00 GMT
Dmitri Blinov created JEXL-270:
----------------------------------

             Summary: Wrong Script$Curried creation when script.curry() method is called inside
script
                 Key: JEXL-270
                 URL: https://issues.apache.org/jira/browse/JEXL-270
             Project: Commons JEXL
          Issue Type: Bug
    Affects Versions: 3.1
            Reporter: Dmitri Blinov


I have noticed that when i call lambda.curry() method inside the script, then the curried
lamba is created with wrong source text. I expect the source text of the curried lambda to
be always equal to that of original, but that is not the case now. To illustrate this I have
prepared two testcases, from which {{testCurryScript2}} fails with 

[ERROR] Failures:
[ERROR]   LambdaTest.testCurryScript2:307 expected:<true> but was:<false>
{code:java}
    @Test
    public void testCurryScript() throws Exception {
        JexlEngine jexl = new Engine();
        JexlScript base = jexl.createScript("(x, y, z)->{ x + y + z }");
        String text = base.toString();
        JexlScript script = base.curry(5, 15);
        Assert.assertEquals(text, script.toString());

        JexlEvalContext ctxt = new JexlEvalContext();
        ctxt.set("s", base);
        script = jexl.createScript("return s");
        Object result = script.execute(ctxt);
        Assert.assertEquals(text, result.toString());

        script = jexl.createScript("return s.curry(1)");
        result = script.execute(ctxt);
        Assert.assertEquals(text, result.toString());
    }

    @Test
    public void testCurryScript2() throws Exception {
        JexlEngine jexl = new Engine();
        JexlScript base = jexl.createScript("var base = 0; var sum = (y, z) -> {var x =
base; x += y; return x}; base = 2; var y = sum.curry(1); y.toString() eq sum.toString()");
        Object result = base.execute(null);
        Assert.assertEquals(Boolean.TRUE, result);
    }
{code}



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