src/test/groovy/IfPropertyTest.groovy

/*
 * Copyright 2003-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package groovy

class IfPropertyTest extends GroovyTestCase {

    def dummy

    // This is because normal classes are not extensible, but scripts are extensible by default.
    Object get(String key) {
        println("asking for def " + key)
        return dummy
    }

    void set(Object key, Object value) {
        println("setting the def " + key + " to: " + value)
        dummy = value
    }

    void testIfNullPropertySet() {
        def cheese = null
        if (cheese == null) {
            cheese = 1
        }
        if (cheese != 1) {
            fail("Didn't change cheese")
        }
        assert cheese == 1
    }

    void testIfNullPropertySetRecheck() {
        def cheese = null
        if (cheese == null) {
            cheese = 1
        }
        if (cheese == 1) {
            cheese = 2
        }
        assert cheese == 2
    }

}