| class OptionalReturnTest extends GroovyTestCase { |
| |
| property y |
| |
| void testSingleExpression() { |
| value = foo() |
| |
| assert value == 'fooReturn' |
| } |
| |
| void testLastExpressionIsSimple() { |
| value = bar() |
| |
| assert value == 'barReturn' |
| } |
| |
| void testLastExpressionIsBooleanExpression() { |
| value = foo2() |
| |
| assert value |
| |
| value = foo3() |
| |
| assert value == false |
| } |
| |
| void testLastExpressionIsAssignment() { |
| value = assign() |
| |
| assert value == 'assignReturn' |
| |
| value = assignField() |
| |
| assert value == 'assignFieldReturn' |
| } |
| |
| void testLastExpressionIsMethodCall() { |
| value = methodCall() |
| |
| assert value == 'fooReturn' |
| } |
| |
| void testEmptyExpression() { |
| value = nullReturn() |
| |
| assert value == null |
| } |
| |
| // now is a compile time error |
| // void testVoidMethod() { |
| // value = voidMethod() |
| // |
| // assert value == null |
| // } |
| |
| void testNonAssignmentLastExpressions() { |
| value = lastIsAssert() |
| |
| assert value == null |
| } |
| |
| foo() { |
| 'fooReturn' |
| } |
| |
| bar() { |
| x = 'barReturn' |
| x |
| } |
| |
| foo2() { |
| x = 'cheese' |
| x == 'cheese' |
| } |
| |
| foo3() { |
| x = 'cheese' |
| x == 'edam' |
| } |
| |
| assign() { |
| x = 'assignReturn' |
| } |
| |
| assignField() { |
| y = 'assignFieldReturn' |
| } |
| |
| nullReturn() { |
| } |
| |
| lastIsAssert() { |
| assert 1 == 1 |
| } |
| |
| methodCall() { |
| foo() |
| } |
| |
| void voidMethod() { |
| foo() |
| } |
| } |