Examples of java.beans.Statement.execute()

java.beans.Statement.execute()
The execute method finds a method whose name is the same as the methodName property, and invokes the method on the target. When the target's class defines many methods with the given name the implementation should choose the most specific method using the algorithm specified in the Java Language Specification (15.11). The dynamic class of the target and arguments are used in place of the compile-time type information and, like the java.lang.reflect.Method class itself, conversion between primitive values and their associated wrapper classes is handled internally.
The following method types are handled as special cases:
- Static methods may be called by using a class object as the target.
- The reserved method name "new" may be used to call a class's constructor as if all classes defined static "new" methods. Constructor invocations are typically considered Expressions rather than Statements as they return a value.
- The method names "get" and "set" defined in the java.util.List interface may also be applied to array instances, mapping to the static methods of the same name in the Array class.

        Statement t = new Statement(Class.class, "forName", arguments);
        t.execute();


        t = new Statement(String.class, "forName",
                new Object[] { "java.lang.String" });
        t.execute();
    }


    /*
     * Test the method execute() with a normal array object, the method name
     * "get" and valid and invalid arguments.

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     */
    public void testExecute_ArrayGet() throws Exception {
        Object[] array = new Object[] { "test" };
        Statement t = new Statement(array, "get",
                new Object[] { new Integer(0) });
        t.execute();


        array = new Object[] { "test" };
        t = new Statement(array, "get", new Object[0]);
        try {
            t.execute();

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        t.execute();


        array = new Object[] { "test" };
        t = new Statement(array, "get", new Object[0]);
        try {
            t.execute();
            fail("Should throw ArrayIndexOutOfBoundsException!");
        } catch (ArrayIndexOutOfBoundsException ex) {
            // expected
        }
    }

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     */
    public void testExecute_ArraySet() throws Exception {
        Object[] array = new Object[] { "test" };
        Statement t = new Statement(array, "set", new Object[] {
                new Integer(0), "test2" });
        t.execute();
        assertEquals("test2", array[0]);
    }


    /*
     * Test the method execute() with a normal array object, the method name

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    public void testExecute_ArrayNullIndex() throws Exception {
        Object[] array = new Object[] { "test" };
        Statement t = new Statement(array, "set",
                new Object[] { null, "test2" });
        try {
            t.execute();
            fail("Should throw NullPointerException!");
        } catch (NullPointerException ex) {
            // expected
        }
    }

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     */
    public void testExecute_ArrayInvalidSet() throws Exception {
        Object[] array = new Object[] { "test" };
        Statement t = new Statement(array, "set", new Object[] {
                new Integer(0), "test2" });
        t.execute();
        assertEquals("test2", array[0]);


        try {
            t = new Statement(array, "set", new Object[] { "testtest", "test2",
                    new Object() });

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            // expected
        }


        t = new Statement(array, "set", new Object[] { new Integer(0) });
        try {
            t.execute();
            fail("Should throw ArrayIndexOutOfBoundsException!");
        } catch (ArrayIndexOutOfBoundsException ex) {
            // expected
        }
    }

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    public void testExecute_ArrayInvalidSetInt() throws Exception {
        int[] array = new int[] { 1 };
        Statement t = new Statement(array, "getInt",
                new Object[] { new Integer(0) });
        try {
            t.execute();
            fail("Should throw NoSuchMethodException!");
        } catch (NoSuchMethodException ex) {
            // expected
        }
    }

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    public void testExecute_ArrayInvalidName() throws Exception {
        Object[] array = new Object[] { "test" };
        Statement t = new Statement(array, "gets", new Object[] {
                new Integer(0), new Object() });
        try {
            t.execute();
            fail("Should throw NoSuchMethodException!");
        } catch (NoSuchMethodException ex) {
            // expected
        }
    }

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     */
    public void testExecute_PrimitiveVSWrapper() throws Exception {
        MockObject mo = new MockObject(false);
        Object[] arguments = new Object[] { new Integer(1) };
        Statement t = new Statement(mo, "methodB", arguments);
        t.execute();
        MockObject.assertCalled("methodB1", arguments);


        arguments = new Object[] { Boolean.FALSE };
        t = new Statement(mo, "methodB", arguments);
        t.execute();

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