Examples of exportFunction()

Examples of webit.script.Context.exportFunction()

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    public void test() throws ResourceNotFoundException {

        Context context = EngineManager.getTemplate("/functionExportTest.wit").merge(new DiscardOut());

        //plus
        Function plus = context.exportFunction("plus");

        assertNotNull(plus);

        assertEquals(1, plus.invoke(0, 1));
        assertEquals(5, plus.invoke(2, 3));
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Examples of webit.script.Context.exportFunction()

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        assertEquals(1, plus.invoke(0, 1));
        assertEquals(5, plus.invoke(2, 3));
        assertEquals(1, plus.invoke(-2, 3));

        //counter
        Function counter = context.exportFunction("counter");

        assertNotNull(counter);

        assertEquals(0, counter.invoke());
        assertEquals(1, counter.invoke());
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Examples of webit.script.Context.exportFunction()

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        assertEquals(0, counter.invoke());
        assertEquals(1, counter.invoke());
        assertEquals(2, counter.invoke());

        //counter
        Function counter2 = context.exportFunction("counter2");

        assertNotNull(counter2);

        assertEquals(0, counter2.invoke());
        assertEquals(1, counter2.invoke());
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Examples of webit.script.Context.exportFunction()

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        assertEquals(0, counter2.invoke());
        assertEquals(1, counter2.invoke());
        assertEquals(2, counter2.invoke());

        //str_len
        Function str_len = context.exportFunction("str_len");

        assertNotNull(str_len);

        assertEquals(0, str_len.invoke(""));
        assertEquals(1, str_len.invoke("a"));
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Examples of webit.script.Context.exportFunction()

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        assertEquals(0, str_len.invoke(""));
        assertEquals(1, str_len.invoke("a"));
        assertEquals(4, str_len.invoke("abcd"));

        //print
        Function print = context.exportFunction("print");
        StringWriter writer;

        assertNotNull(print);

        writer = new StringWriter();
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Examples of webit.script.Context.exportFunction()

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        //Exception cases:
        //
        Exception exception = null;
        try {
            context.exportFunction("notExistFunction");
        } catch (NotFunctionException e) {
            exception = e;
        }
        assertNotNull(exception);
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Examples of webit.script.Context.exportFunction()

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        assertEquals("Not a function but a [null].", exception.getMessage());

        //
        exception = null;
        try {
            context.exportFunction("count");
        } catch (NotFunctionException e) {
            exception = e;
        }
        assertNotNull(exception);
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