@Test
    public void testBoolOverrideTrue() {
        material("Common/MatDefs/Light/Lighting.j3md");
        inputMp(mpoBool("UseMaterialColors", false));
        inputMpo(mpoBool("UseMaterialColors", true));
        outDefines(def("MATERIAL_COLORS", VarType.Boolean, true));
        outUniforms(uniform("UseMaterialColors", VarType.Boolean, true));
    }
Validates {@link MatParam}s.

@author Kirill Vainer
jme3-core/src/test/java/com/jme3/material/MaterialMatParamTest.java