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Groovy example source code file (OptionalReturnTest.groovy)
The Groovy OptionalReturnTest.groovy source code/* * 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 OptionalReturnTest extends GroovyTestCase { def y void testSingleExpression() { def value = foo() assert value == 'fooReturn' } void testLastExpressionIsSimple() { def value = bar() assert value == 'barReturn' } void testLastExpressionIsBooleanExpression() { def value = foo2() assert value value = foo3() assert value == false } void testLastExpressionIsAssignment() { def value = assign() assert value == 'assignReturn' value = assignField() assert value == 'assignFieldReturn' } void testLastExpressionIsMethodCall() { def value = methodCall() assert value == 'fooReturn' } void testEmptyExpression() { def value = nullReturn() assert value == null } // now this is not a compile time error in jsr-03 void testVoidMethod() { def value = voidMethod() assert value == null } void testNonAssignmentLastExpressions() { def value = lastIsAssert() assert value == null } def foo() { 'fooReturn' } def bar() { def x = 'barReturn' x } def foo2() { def x = 'cheese' x == 'cheese' } def foo3() { def x = 'cheese' x == 'edam' } def assign() { def x = 'assignReturn' } def assignField() { y = 'assignFieldReturn' } def nullReturn() { } def lastIsAssert() { assert 1 == 1 } def methodCall() { foo() } void voidMethod() { foo() } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy OptionalReturnTest.groovy source code file: |
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