1 /*

     2  * @test /nodynamiccopyright/

     3  * @bug 8050993

     4  * @summary Verify that the condition in the conditional lexpression gets a LineNumberTable entry

     5  * @modules jdk.jdeps/com.sun.tools.classfile

     6  * @compile -g T8050993.java

     7  * @run main T8050993

     8  */

     9 

    10 import java.io.IOException;

    11 import java.util.Arrays;

    12 import java.util.HashSet;

    13 import java.util.Objects;

    14 import java.util.Set;

    15 import java.util.stream.Collectors;

    16 

    17 import com.sun.tools.classfile.*;

    18 

    19 public class T8050993 {

    20     public static void main(String[] args) throws IOException, ConstantPoolException {

    21         ClassFile someTestIn = ClassFile.read(T8050993.class.getResourceAsStream("T8050993.class"));

    22         Set<Integer> expectedLineNumbers = new HashSet<>(Arrays.asList(48, 49, 46, 47));

    23         for (Method m : someTestIn.methods) {

    24             if ("method".equals(m.getName(someTestIn.constant_pool))) {

    25                 Code_attribute code_attribute = (Code_attribute) m.attributes.get(Attribute.Code);

    26                 for (Attribute at : code_attribute.attributes) {

    27                     if (Attribute.LineNumberTable.equals(at.getName(someTestIn.constant_pool))) {

    28                         LineNumberTable_attribute att = (LineNumberTable_attribute) at;

    29                         Set<Integer> actualLinesNumbers = Arrays.stream(att.line_number_table)

    30                                                                 .map(e -> e.line_number)

    31                                                                 .collect(Collectors.toSet());

    32                         if (!Objects.equals(expectedLineNumbers, actualLinesNumbers)) {

    33                             throw new AssertionError("Expected LineNumber entries not found;" +

    34                                                      "actual=" + actualLinesNumbers + ";" +

    35                                                      "expected=" + expectedLineNumbers);

    36                         }

    37                     }

    38                 }

    39             }

    40         }

    41     }

    42 

    43     public static int field;

    44 

    45     public static String method() {

    46         String s =

    47                 field % 2 == 0 ?

    48                 "true" + field :

    49                 "false" + field;

    50         return s;

    51     }

    52 

    53 }