| import groovy.test.GroovyTestCase |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| class ScriptsAndClassesSpecTest extends GroovyTestCase { |
| void testMainMethod() { |
| assertScript ''' |
| // tag::groovy_class_with_main_method[] |
| class Main { // <1> |
| static void main(String... args) { // <2> |
| println 'Groovy world!' // <3> |
| } |
| } |
| // end::groovy_class_with_main_method[] |
| ''' |
| assertScript ''' |
| // tag::groovy_script[] |
| println 'Groovy world!' |
| // end::groovy_script[] |
| ''' |
| |
| assertScript ''' |
| // tag::groovy_script_equiv[] |
| import org.codehaus.groovy.runtime.InvokerHelper |
| class Main extends Script { // <1> |
| def run() { // <2> |
| println 'Groovy world!' // <3> |
| } |
| static void main(String[] args) { // <4> |
| InvokerHelper.runScript(Main, args) // <5> |
| } |
| } |
| // end::groovy_script_equiv[] |
| ''' |
| } |
| |
| void testMethodDefinition() { |
| assertScript ''' |
| // tag::method_in_script[] |
| int fib(int n) { |
| n < 2 ? 1 : fib(n-1) + fib(n-2) |
| } |
| assert fib(10)==89 |
| // end::method_in_script[] |
| ''' |
| |
| assertScript ''' |
| // tag::multiple_methods_assembly[] |
| println 'Hello' // <1> |
| |
| int power(int n) { 2**n } // <2> |
| |
| println "2^6==${power(6)}" // <3> |
| // end::multiple_methods_assembly[] |
| ''' |
| |
| assertScript ''' |
| // tag::multiple_methods_assembly_equiv[] |
| import org.codehaus.groovy.runtime.InvokerHelper |
| class Main extends Script { |
| int power(int n) { 2** n} // <1> |
| def run() { |
| println 'Hello' // <2> |
| println "2^6==${power(6)}" // <3> |
| } |
| static void main(String[] args) { |
| InvokerHelper.runScript(Main, args) |
| } |
| } |
| // end::multiple_methods_assembly_equiv[] |
| ''' |
| } |
| |
| void testScriptVariables() { |
| assertScript ''' |
| // tag::script_with_variables[] |
| int x = 1 |
| int y = 2 |
| assert x+y == 3 |
| // end::script_with_variables[] |
| ''' |
| assertScript ''' |
| // tag::script_with_untyped_variables[] |
| x = 1 |
| y = 2 |
| assert x+y == 3 |
| // end::script_with_untyped_variables[] |
| ''' |
| } |
| } |