test/lib/testlibrary/jdk/testlibrary/Utils.java

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 35,50 ****
--- 35,53 ----
  import java.net.ServerSocket;
  import java.net.UnknownHostException;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Arrays;
+ import java.util.LinkedList;
+ import java.nio.file.Paths;
  import java.util.Collections;
  import java.util.Objects;
  import java.util.regex.Pattern;
  import java.util.regex.Matcher;
  import java.util.concurrent.TimeUnit;
  import java.util.function.Function;
+ import java.nio.file.Files;
  
  /**
   * Common library for various test helper functions.
   */
  public final class Utils {
*** 409,414 ****
--- 412,443 ----
              out.write(buffer, 0, read);
              transferred += read;
          }
          return transferred;
      }
+ 
+     // Parses the specified source file for "@{id} breakpoint" tags and returns
+     // list of the line numbers containing the tag.
+     // Example:
+     //   System.out.println("BP is here");  // @1 breakpoint
+     public static List<Integer> parseBreakpoints(String filePath, int id) {
+         final String pattern = "@" + id + " breakpoint";
+         int lineNum = 1;
+         List<Integer> result = new LinkedList<>();
+         try {
+             for (String line: Files.readAllLines(Paths.get(filePath))) {
+                 if (line.contains(pattern)) {
+                     result.add(lineNum);
+                 }
+                 lineNum++;
+             }
+         } catch (IOException ex) {
+             throw new RuntimeException("failed to parse " + filePath, ex);
+         }
+         return result;
+     }
+ 
+     // gets full test source path for the given test filename
+     public static String getTestSourcePath(String fileName) {
+         return Paths.get(System.getProperty("test.src")).resolve(fileName).toString();
+     }
  }