Examples with FunctionExpression org.geotools.filter.FunctionExpression used on opensource projects

Example 6 with FunctionExpression

use of org.geotools.filter.FunctionExpression in project sldeditor by robward-scisys.

the class FunctionManagerTest method testCreateExpression.

/**
 * Test method for
 * {@link com.sldeditor.filter.v2.function.FunctionManager#createExpression(org.opengis.filter.capability.FunctionName)}.
 */
@Test
public void testCreateExpression() {
    DefaultFunctionFactory functionFactory = new DefaultFunctionFactory();
    List<FunctionName> functionNameList = functionFactory.getFunctionNames();
    FunctionName functionName = null;
    Expression expression = FunctionManager.getInstance().createExpression(functionName);
    assertNull(expression);
    functionName = functionNameList.get(0);
    expression = FunctionManager.getInstance().createExpression(functionName);
    assertNotNull(expression);
    FunctionExpression funcExpression = (FunctionExpression) expression;
    assertTrue(functionName.getName().compareTo(funcExpression.getName()) == 0);
}