test/testlibrary/com/oracle/java/testlibrary/OutputAnalyzer.java

rev 7753 : 8071909: Port testlibrary improvments in jdk/test to hotspot/test as required for DCMD test port
Reviewed-by:

*** 22,31 ****
--- 22,33 ----
   */
  
  package com.oracle.java.testlibrary;
  
  import java.io.IOException;
+ import java.util.ArrayList;
+ import java.util.List;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  public final class OutputAnalyzer {
  
*** 67,76 ****
--- 69,130 ----
      this.stderr = stderr;
      exitValue = -1;
    }
  
    /**
+    * Verify that the stdout contents of output buffer is empty
+    *
+    * @throws RuntimeException
+    *             If stdout was not empty
+    */
+   public void stdoutShouldBeEmpty() {
+     if (!getStdout().isEmpty()) {
+       reportDiagnosticSummary();
+       throw new RuntimeException("stdout was not empty");
+     }
+   }
+ 
+   /**
+    * Verify that the stderr contents of output buffer is empty
+    *
+    * @throws RuntimeException
+    *             If stderr was not empty
+    */
+   public void stderrShouldBeEmpty() {
+     if (!getStderr().isEmpty()) {
+       reportDiagnosticSummary();
+       throw new RuntimeException("stderr was not empty");
+     }
+   }
+ 
+   /**
+    * Verify that the stdout contents of output buffer is not empty
+    *
+    * @throws RuntimeException
+    *             If stdout was empty
+    */
+   public void stdoutShouldNotBeEmpty() {
+     if (getStdout().isEmpty()) {
+       reportDiagnosticSummary();
+       throw new RuntimeException("stdout was empty");
+     }
+   }
+ 
+   /**
+    * Verify that the stderr contents of output buffer is not empty
+    *
+    * @throws RuntimeException
+    *             If stderr was empty
+    */
+   public void stderrShouldNotBeEmpty() {
+     if (getStderr().isEmpty()) {
+       reportDiagnosticSummary();
+       throw new RuntimeException("stderr was empty");
+     }
+   }
+ 
+     /**
     * Verify that the stdout and stderr contents of output buffer contains the string
     *
     * @param expectedString String that buffer should contain
     * @throws RuntimeException If the string was not found
     */
*** 363,368 ****
--- 417,441 ----
     * @return Process exit value
     */
    public int getExitValue() {
      return exitValue;
    }
+ 
+   /**
+    * Get the contents of the output buffer (stdout and stderr) as list of strings.
+    * Output will be split by system property 'line.separator'.
+    *
+    * @return Contents of the output buffer as list of strings
+    */
+   public List<String> asLines() {
+     return asLines(getOutput());
+   }
+ 
+   private List<String> asLines(String buffer) {
+     List<String> l = new ArrayList<>();
+     String[] a = buffer.split(Utils.NEW_LINE);
+     for (String string : a) {
+       l.add(string);
+     }
+     return l;
+   }
  }