ServerThread testMailServer = new ServerThread(); Thread server = new Thread(testMailServer); server.start(); ClientThread testMailClient = new ClientThread(); testMailClient.from("Mail Message <EmailTaskTest@ant.apache.org>"); testMailClient.to("to@you.com"); testMailClient.setSubject("Test subject"); testMailClient.setMessage( "test line 1\n" + "test line 2" ); Thread client = new Thread(testMailClient); client.start(); try { server.join(60 * 1000); // 60s client.join(30 * 1000); // a further 30s } catch (InterruptedException ie ) { fail("InterruptedException: " + ie); } String result = testMailServer.getResult(); String expectedResult = "220 test SMTP EmailTaskTest\r\n" + "HELO " + local + "\r\n" + "250 " + local + " Hello " + local + " [127.0.0.1], pleased to meet you\r\n" + "MAIL FROM: <EmailTaskTest@ant.apache.org>\r\n" + "250\r\n" + "RCPT TO: <to@you.com>\r\n" + "250\r\n" + "DATA\r\n" + "354\r\n" + "Subject: Test subject\r\n" + "From: Mail Message <EmailTaskTest@ant.apache.org>\r\n" + "To: to@you.com\r\n" + "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n" + "\r\n" + "test line 1\r\n" + "test line 2\r\n" + "\r\n" + ".\r\n" + "250\r\n" + "QUIT\r\n" + "221\r\n"; assertEquals(expectedResult.length(), result.length()); assertEquals(expectedResult, result); // order of headers cannot be guaranteed if (testMailClient.isFailed()) { fail(testMailClient.getFailMessage()); }
ServerThread testMailServer = new ServerThread(); Thread server = new Thread(testMailServer); server.start(); ClientThread testMailClient = new ClientThread(); testMailClient.from("Mail Message <EmailTaskTest@ant.apache.org>"); testMailClient.to("to@you.com"); testMailClient.setMessage( "test line 1\n" + "test line 2" ); Thread client = new Thread(testMailClient); client.start(); try { server.join(60 * 1000); // 60s client.join(30 * 1000); // a further 30s } catch (InterruptedException ie ) { fail( "InterruptedException: " + ie ); } String result = testMailServer.getResult(); String expectedResult = "220 test SMTP EmailTaskTest\r\n" + "HELO " + local + "\r\n" + "250 " + local + " Hello " + local + " [127.0.0.1], pleased to meet you\r\n" + "MAIL FROM: <EmailTaskTest@ant.apache.org>\r\n" + "250\r\n" + "RCPT TO: <to@you.com>\r\n" + "250\r\n" + "DATA\r\n" + "354\r\n" + "From: Mail Message <EmailTaskTest@ant.apache.org>\r\n" + "To: to@you.com\r\n" + "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n" + "\r\n" + "test line 1\r\n" + "test line 2\r\n" + "\r\n" + ".\r\n" + "250\r\n" + "QUIT\r\n" + "221\r\n"; assertEquals( expectedResult.length(), result.length() ); assertEquals( expectedResult, result ); if ( testMailClient.isFailed() ) { fail( testMailClient.getFailMessage() ); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java
Method name: void testToOnly() Method name: void testNoSubject()
Number of AST nodes: 19 Number of AST nodes: 18
1
ServerThread testMailServer = new ServerThread();
1
ServerThread testMailServer = new ServerThread();
2
        Thread server = new Thread(testMailServer);
2
        Thread server = new Thread(testMailServer);
3
        server.start();
3
        server.start();
4
        ClientThread testMailClient = new ClientThread();
4
        ClientThread testMailClient = new ClientThread();
5
        testMailClient.from("Mail Message <EmailTaskTest@ant.apache.org>");
5
        testMailClient.from("Mail Message <EmailTaskTest@ant.apache.org>");
6
        testMailClient.to("to@you.com");
6
        testMailClient.to("to@you.com");
7
        testMailClient.setSubject("Test subject");
8
        testMailClient.setMessage( "test line 1\n" +
7
        testMailClient.setMessage( "test line 1\n" +
9
            "test line 2" );
8
            "test line 2" );
10
        Thread client = new Thread(testMailClient);
9
        Thread client = new Thread(testMailClient);
11
        client.start();
10
        client.start();
12
        try {
11
        try {
13
            server.join(60 * 1000); // 60s
12
            server.join(60 * 1000); // 60s
14
            client.join(30 * 1000); // a further 30s
13
            client.join(30 * 1000); // a further 30s
15
        } catch (InterruptedException ie ) {
14
        } catch (InterruptedException ie ) {
16
            fail("InterruptedException: " + ie);
15
            fail( "InterruptedException: " + ie );
17
        }
16
        }
18
        String result = testMailServer.getResult();
17
        String result = testMailServer.getResult();
19
        String expectedResult = "220 test SMTP EmailTaskTest\r\n" +
18
        String expectedResult = "220 test SMTP EmailTaskTest\r\n" +
20
        "HELO " + local + "\r\n" +
19
        "HELO " + local + "\r\n" +
21
        "250 " + local + " Hello " + local + " [127.0.0.1], pleased to meet you\r\n" +
20
        "250 " + local + " Hello " + local + " [127.0.0.1], pleased to meet you\r\n" +
22
        "MAIL FROM: <EmailTaskTest@ant.apache.org>\r\n" +
21
        "MAIL FROM: <EmailTaskTest@ant.apache.org>\r\n" +
23
        "250\r\n" +
22
        "250\r\n" +
24
        "RCPT TO: <to@you.com>\r\n" +
23
        "RCPT TO: <to@you.com>\r\n" +
25
        "250\r\n" +
24
        "250\r\n" +
26
        "DATA\r\n" +
25
        "DATA\r\n" +
27
        "354\r\n" +
26
        "354\r\n" +
28
        "Subject: Test subject\r\n" +
29
            "From: Mail Message <EmailTaskTest@ant.apache.org>\r\n" +
27
        "From: Mail Message <EmailTaskTest@ant.apache.org>\r\n" +
30
            "To: to@you.com\r\n" +
28
            "To: to@you.com\r\n" +
31
        "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n" +
29
        "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n" +
32
        "\r\n" +
30
        "\r\n" +
33
        "test line 1\r\n" +
31
        "test line 1\r\n" +
34
        "test line 2\r\n" +
32
        "test line 2\r\n" +
35
        "\r\n" +
33
        "\r\n" +
36
        ".\r\n" +
34
        ".\r\n" +
37
        "250\r\n" +
35
        "250\r\n" +
38
        "QUIT\r\n" +
36
        "QUIT\r\n" +
39
        "221\r\n";
37
        "221\r\n";
40
        assertEquals(expectedResult.length(), result.length());
38
        assertEquals( expectedResult.length(), result.length() );
41
        assertEquals(expectedResult, result); // order of headers cannot be guaranteed
39
        assertEquals( expectedResult, result );
42
        if (testMailClient.isFailed()) {
40
        if ( testMailClient.isFailed() ) {
43
            fail(testMailClient.getFailMessage());
41
            fail( testMailClient.getFailMessage() );
44
        }
42
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.4
Clones locationClones are declared in the same class
Number of node comparisons102
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements18
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)6.4
    Clone typeType 3
    Mapped Statements
    ID Statement ID Statement
    1
    ServerThread testMailServer = new ServerThread();
    1
    ServerThread testMailServer = new ServerThread();
    2
    Thread server = new Thread(testMailServer);
    2
    Thread server = new Thread(testMailServer);
    3
    server.start();
    3
    server.start();
    4
    ClientThread testMailClient = new ClientThread();
    4
    ClientThread testMailClient = new ClientThread();
    5
    testMailClient.from("Mail Message <EmailTaskTest@ant.apache.org>");
    5
    testMailClient.from("Mail Message <EmailTaskTest@ant.apache.org>");
    6
    testMailClient.to("to@you.com");
    6
    testMailClient.to("to@you.com");
    7
    testMailClient.setSubject("Test subject");
                                                                                              
    8
    testMailClient.setMessage("test line 1\n" + "test line 2");
    7
    testMailClient.setMessage("test line 1\n" + "test line 2");
    9
    Thread client = new Thread(testMailClient);
    8
    Thread client = new Thread(testMailClient);
    10
    client.start();
    9
    client.start();
    11
    try
    10
    try
    12
    server.join(60 * 1000);
    11
    server.join(60 * 1000);
    13
    client.join(30 * 1000);
    12
    client.join(30 * 1000);
    14
    String result = testMailServer.getResult();
    13
    String result = testMailServer.getResult();
    15
    String expectedResult = "220 test SMTP EmailTaskTest\r\n" + "HELO " + local + "\r\n" + "250 " + local + " Hello " + local + " [127.0.0.1], pleased to meet you\r\n" + "MAIL FROM: <EmailTaskTest@ant.apache.org>\r\n" + "250\r\n" + "RCPT TO: <to@you.com>\r\n" + "250\r\n" + "DATA\r\n" + "354\r\n" + "Subject: Test subject\r\n" + "From: Mail Message <EmailTaskTest@ant.apache.org>\r\n" + "To: to@you.com\r\n" + "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n" + "\r\n" + "test line 1\r\n" + "test line 2\r\n" + "\r\n" + ".\r\n" + "250\r\n" + "QUIT\r\n" + "221\r\n";
    15
    String expectedResult = "220 test SMTP EmailTaskTest\r\n" + "HELO " + local + "\r\n" + "250 " + local + " Hello " + local + " [127.0.0.1], pleased to meet you\r\n" + "MAIL FROM: <EmailTaskTest@ant.apache.org>\r\n" + "250\r\n" + "RCPT TO: <to@you.com>\r\n" + "250\r\n" + "DATA\r\n" + "354\r\n" + "Subject: Test subject\r\n" + "From: Mail Message <EmailTaskTest@ant.apache.org>\r\n" + "To: to@you.com\r\n" + "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n" + "\r\n" + "test line 1\r\n" + "test line 2\r\n" + "\r\n" + ".\r\n" + "250\r\n" + "QUIT\r\n" + "221\r\n";
    14
    String expectedResult = "220 test SMTP EmailTaskTest\r\n" + "HELO " + local + "\r\n" + "250 " + local + " Hello " + local + " [127.0.0.1], pleased to meet you\r\n" + "MAIL FROM: <EmailTaskTest@ant.apache.org>\r\n" + "250\r\n" + "RCPT TO: <to@you.com>\r\n" + "250\r\n" + "DATA\r\n" + "354\r\n" + "From: Mail Message <EmailTaskTest@ant.apache.org>\r\n" + "To: to@you.com\r\n" + "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n" + "\r\n" + "test line 1\r\n" + "test line 2\r\n" + "\r\n" + ".\r\n" + "250\r\n" + "QUIT\r\n" + "221\r\n";
    Differences
    Expression1Expression2Difference
    "220 test SMTP EmailTaskTest\r\n" + "HELO " + local + "\r\n"+ "250 "+ local+ " Hello "+ local+ " [127.0.0.1], pleased to meet you\r\n"+ "MAIL FROM: \r\n"+ "250\r\n"+ "RCPT TO: \r\n"+ "250\r\n"+ "DATA\r\n"+ "354\r\n"+ "Subject: Test subject\r\n"+ "From: Mail Message \r\n"+ "To: to@you.com\r\n"+ "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n"+ "\r\n"+ "test line 1\r\n"+ "test line 2\r\n"+ "\r\n"+ ".\r\n"+ "250\r\n"+ "QUIT\r\n"+ "221\r\n""220 test SMTP EmailTaskTest\r\n" + "HELO " + local + "\r\n"+ "250 "+ local+ " Hello "+ local+ " [127.0.0.1], pleased to meet you\r\n"+ "MAIL FROM: \r\n"+ "250\r\n"+ "RCPT TO: \r\n"+ "250\r\n"+ "DATA\r\n"+ "354\r\n"+ "From: Mail Message \r\n"+ "To: to@you.com\r\n"+ "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n"+ "\r\n"+ "test line 1\r\n"+ "test line 2\r\n"+ "\r\n"+ ".\r\n"+ "250\r\n"+ "QUIT\r\n"+ "221\r\n"INFIX_EXTENDED_OPERAND_NUMBER_MISMATCH
    14
    String expectedResult = "220 test SMTP EmailTaskTest\r\n" + "HELO " + local + "\r\n" + "250 " + local + " Hello " + local + " [127.0.0.1], pleased to meet you\r\n" + "MAIL FROM: <EmailTaskTest@ant.apache.org>\r\n" + "250\r\n" + "RCPT TO: <to@you.com>\r\n" + "250\r\n" + "DATA\r\n" + "354\r\n" + "From: Mail Message <EmailTaskTest@ant.apache.org>\r\n" + "To: to@you.com\r\n" + "X-Mailer: org.apache.tools.mail.MailMessage (ant.apache.org)\r\n" + "\r\n" + "test line 1\r\n" + "test line 2\r\n" + "\r\n" + ".\r\n" + "250\r\n" + "QUIT\r\n" + "221\r\n";
    16
    assertEquals(expectedResult.length(), result.length());
    15
    assertEquals(expectedResult.length(), result.length());
    17
    assertEquals(expectedResult, result);
    16
    assertEquals(expectedResult, result);
    18
    if (testMailClient.isFailed())
    17
    if (testMailClient.isFailed())
    19
    fail(testMailClient.getFailMessage());
    18
    fail(testMailClient.getFailMessage());
    Precondition Violations (1)
    Row Violation
    1Clone fragment #1 returns variables testMailClient , while Clone fragment #2 returns variables