--- jsr166/src/test/tck/JSR166TestCase.java	2015/10/12 23:52:44	1.177
+++ jsr166/src/test/tck/JSR166TestCase.java	2015/11/09 06:06:54	1.181
@@ -112,8 +112,7 @@ import junit.framework.TestSuite;
  * methods as there are exceptions the method can throw. Sometimes
  * there are multiple tests per JSR166 method when the different
  * "normal" behaviors differ significantly. And sometimes testcases
- * cover multiple methods when they cannot be tested in
- * isolation.
+ * cover multiple methods when they cannot be tested in isolation.
  *
  * <li>The documentation style for testcases is to provide as javadoc
  * a simple sentence or two describing the property that the testcase
@@ -176,6 +175,12 @@ public class JSR166TestCase extends Test
     private static final int suiteRuns =
         Integer.getInteger("jsr166.suiteRuns", 1);
 
+    /**
+     * The scaling factor to apply to standard delays used in tests.
+     */
+    private static final int delayFactor =
+        Integer.getInteger("jsr166.delay.factor", 1);
+
     public JSR166TestCase() { super(); }
     public JSR166TestCase(String name) { super(name); }
 
@@ -273,6 +278,34 @@ public class JSR166TestCase extends Test
         main(suite(), args);
     }
 
+    static class PithyResultPrinter extends junit.textui.ResultPrinter {
+        PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
+        long runTime;
+        public void startTest(Test test) {}
+        protected void printHeader(long runTime) {
+            this.runTime = runTime; // defer printing for later
+        }
+        protected void printFooter(TestResult result) {
+            if (result.wasSuccessful()) {
+                getWriter().println("OK (" + result.runCount() + " tests)"
+                    + "  Time: " + elapsedTimeAsString(runTime));
+            } else {
+                getWriter().println("Time: " + elapsedTimeAsString(runTime));
+                super.printFooter(result);
+            }
+        }
+    }
+
+    /**
+     * Returns a TestRunner that doesn't bother with unnecessary
+     * fluff, like printing a "." for each test case.
+     */
+    static junit.textui.TestRunner newPithyTestRunner() {
+        junit.textui.TestRunner runner = new junit.textui.TestRunner();
+        runner.setPrinter(new PithyResultPrinter(System.out));
+        return runner;
+    }
+
     /**
      * Runs all unit tests in the given test suite.
      * Actual behavior influenced by jsr166.* system properties.
@@ -284,7 +317,7 @@ public class JSR166TestCase extends Test
             System.setSecurityManager(new SecurityManager());
         }
         for (int i = 0; i < suiteRuns; i++) {
-            TestResult result = junit.textui.TestRunner.run(suite);
+            TestResult result = newPithyTestRunner().doRun(suite);
             if (!result.wasSuccessful())
                 System.exit(1);
             System.gc();
@@ -521,11 +554,11 @@ public class JSR166TestCase extends Test
     public static long LONG_DELAY_MS;
 
     /**
-     * Returns the shortest timed delay. This could
-     * be reimplemented to use for example a Property.
+     * Returns the shortest timed delay. This can be scaled up for
+     * slow machines using the jsr166.delay.factor system property.
      */
     protected long getShortDelay() {
-        return 50;
+        return 50 * delayFactor;
     }
 
     /**