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.

     */
    public void testExecute_ExceptionalMethod() throws Exception {
        MockObject mo = new MockObject(false);
        Statement t = new Statement(mo, "method", new Object[] { null, null });
        try {
            t.execute();
            fail("Should throw NullPointerException!");
        } catch (NullPointerException ex) {
            // expected
        }
        MockObject.assertCalled("method4", new Object[] { null, null });

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    public void testExecute_NonExistingMethod() throws Exception {
        MockObject mo = new MockObject(false);
        Statement t = new Statement(mo, "method_not_existing", new Object[] {
                null, null });
        try {
            t.execute();
            fail("Should throw NoSuchMethodException!");
        } catch (NoSuchMethodException ex) {
            // expected
        }
    }

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     */
    public void testExecute_NullTarget() throws Exception {
        Statement t = new Statement(null, "method_not_existing", new Object[] {
                null, null });
        try {
            t.execute();
            fail("Should throw NullPointerException!");
        } catch (NullPointerException ex) {
            // expected
        }
    }

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    public void testExecute_InvalidArguments() throws Exception {
        MockObject mo = new MockObject(false);
        Statement t = new Statement(mo, "method", new Object[] { new Object(),
                new Object(), new Object() });
        try {
            t.execute();
            fail("Should throw NoSuchMethodException!");
        } catch (NoSuchMethodException ex) {
            // expected
        }
    }

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        Object[] arguments;
        Statement t;


        arguments = new Object[] { new Object() };
        t = new Statement(mo, "method", arguments);
        t.execute();
        MockObject.assertCalled("method2", arguments);


        arguments = new Object[] { "test" };
        t = new Statement(mo, "method", arguments);
        t.execute();

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        t.execute();
        MockObject.assertCalled("method2", arguments);


        arguments = new Object[] { "test" };
        t = new Statement(mo, "method", arguments);
        t.execute();
        MockObject.assertCalled("method3", arguments);


        arguments = new Object[] { new Integer(117) };
        t = new Statement(mo, "method", arguments);
        t.execute();

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        t.execute();
        MockObject.assertCalled("method3", arguments);


        arguments = new Object[] { new Integer(117) };
        t = new Statement(mo, "method", arguments);
        t.execute();
        MockObject.assertCalled("method1-3", arguments);
    }


    /*
     * Test the method execute() with a normal object, the method name "new" and

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     * Test the method execute() with a normal object, the method name "new" and
     * valid arguments.
     */
    public void testExecute_NormalConstructor() throws Exception {
        Statement t = new Statement(MockObject.class, "new", new Object[0]);
        t.execute();
        MockObject.assertCalled("new0", new Object[0]);
        t = new Statement(MockObject.class, "new", null);
        t.execute();
        MockObject.assertCalled("new0", new Object[0]);
    }

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    public void testExecute_NormalConstructor() throws Exception {
        Statement t = new Statement(MockObject.class, "new", new Object[0]);
        t.execute();
        MockObject.assertCalled("new0", new Object[0]);
        t = new Statement(MockObject.class, "new", null);
        t.execute();
        MockObject.assertCalled("new0", new Object[0]);
    }


    /*
     * Test the method execute() with a normal object, normal constructor ("new"

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    public void testExecute_NormalConstructorNull() throws Exception {
        Object[] arguments = new Object[] { null, null };
        Statement t = new Statement(MockObject.class, "new", arguments);


        try {
            t.execute();
            fail("Should throw NullPointerException!");
        } catch (NullPointerException ex) {
            // expected
        }
        MockObject.assertCalled("new4", arguments);

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