groovy662.groovy

来自「Groovy动态语言 运行在JVM中的动态语言 可以方便的处理业务逻辑变化大的业」· GROOVY 代码 · 共 67 行

package groovy.bugs

//  The order of the classes is crucial, the first must be the GroovyTestCase.  Its name doesn't
//  matter it just has to be first.

/**
 * Test class and support to realize the GROOVY-662 test.  There is a difference between
 * improper uses of properties between Groovy defined classes and Java defined classes.  There
 * is no difference between correct uses so this is not a problem just an anti-regression test.
 *
 *  @author Russel Winder
 *  @version $Revision: 2592 $
 */ 
class Groovy662 extends GroovyTestCase {
  private String expected = "Hello"
  private usePropertyCorrectly ( def object ) { return object.@myProperty }
  private usePropertyIncorrectly ( def object ) { return object.myProperty }
  private useMethod ( def object ) { return object.getMyProperty ( ) }
  private void doAssertions ( def object ) {
    assertTrue ( useMethod ( object ) == expected )
    assertTrue ( usePropertyCorrectly ( object ) == expected )
  }
  private String theTestScriptDefinitions = """
String expected = "Hello"
def usePropertyCorrectly ( def object ) { return object.@myProperty }
def usePropertyIncorrectly ( def object ) { return object.myProperty }
def useMethod ( def object ) { return object.getMyProperty ( ) }
"""
  private String theTestScriptAssertions = """
assert useMethod ( object ) == expected
assert usePropertyCorrectly ( object ) == expected
"""
  public void testJavaClass ( ) {
    def object = new groovy.bugs.Groovy662_JavaClass ( ) 
    doAssertions ( object )
    assertTrue ( usePropertyIncorrectly ( object ) == null )
  }
  public void testGroovyClass ( ) {
    def object = new Groovy662_GroovyClass ( ) 
    doAssertions ( object )
    assertTrue ( usePropertyIncorrectly ( object ) == expected )
  }
  public void testJavaClassAsScript ( ) { assertScript ( theTestScriptDefinitions + """
def object = new groovy.bugs.Groovy662_JavaClass ( )
""" + theTestScriptAssertions + """
assert usePropertyIncorrectly ( object ) == null
""") }
  public void testGroovyClassAsScript ( ) {
    assertScript ( theTestScriptDefinitions + """
class Groovy662_GroovyClass extends HashMap {
  String myProperty = "Hello"
  public String getMyProperty ( ) { return myProperty }
}
def object = new Groovy662_GroovyClass ( )
""" + theTestScriptAssertions + """
assert usePropertyIncorrectly ( object ) == expected
""")
  }
}

class Groovy662_GroovyClass extends HashMap {
  String myProperty = "Hello"
  public String getMyProperty ( ) {
    return myProperty
  }
}