www.pudn.com > ThinkinginJava4thEdition(SourceCode).zip > AtUnitExample2.java

//: annotations/AtUnitExample2.java 
// Assertions and exceptions can be used in @Tests. 
package annotations; 
import java.io.*; 
import net.mindview.atunit.*; 
import net.mindview.util.*; 
 
public class AtUnitExample2 { 
  public String methodOne() { 
    return "This is methodOne"; 
  } 
  public int methodTwo() { 
    System.out.println("This is methodTwo"); 
    return 2; 
  } 
  @Test void assertExample() { 
    assert methodOne().equals("This is methodOne"); 
  } 
  @Test void assertFailureExample() { 
    assert 1 == 2: "What a surprise!"; 
  } 
  @Test void exceptionExample() throws IOException { 
    new FileInputStream("nofile.txt"); // Throws 
  } 
  @Test boolean assertAndReturn() { 
    // Assertion with message: 
    assert methodTwo() == 2: "methodTwo must equal 2"; 
    return methodOne().equals("This is methodOne"); 
  } 
  public static void main(String[] args) throws Exception { 
    OSExecute.command( 
      "java net.mindview.atunit.AtUnit AtUnitExample2"); 
  } 
} /* Output: 
annotations.AtUnitExample2 
  . assertExample 
  . assertFailureExample java.lang.AssertionError: What a surprise! 
(failed) 
  . exceptionExample java.io.FileNotFoundException: nofile.txt (The system cannot find the file specified) 
(failed) 
  . assertAndReturn This is methodTwo 
 
(4 tests) 
 
>>> 2 FAILURES <<< 
  annotations.AtUnitExample2: assertFailureExample 
  annotations.AtUnitExample2: exceptionExample 
*///:~