This is an automated email from the ASF dual-hosted git repository. markt pushed a commit to branch 9.0.x in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/9.0.x by this push: new 12529b5336 Re-work test to make it more reliable 12529b5336 is described below commit 12529b533604c11d5d013aa2b23da21a2fd636b7 Author: Mark Thomas <ma...@apache.org> AuthorDate: Tue Sep 24 09:58:18 2024 +0100 Re-work test to make it more reliable --- .../tomcat/util/http/TestFastHttpDateFormat.java | 80 ++++++++++++---------- 1 file changed, 44 insertions(+), 36 deletions(-) diff --git a/test/org/apache/tomcat/util/http/TestFastHttpDateFormat.java b/test/org/apache/tomcat/util/http/TestFastHttpDateFormat.java index fca12e21b6..e50a60cc9f 100644 --- a/test/org/apache/tomcat/util/http/TestFastHttpDateFormat.java +++ b/test/org/apache/tomcat/util/http/TestFastHttpDateFormat.java @@ -22,44 +22,52 @@ import org.junit.Test; public class TestFastHttpDateFormat { @Test - public void testGetCurrentDateInSameSecond() { - long now = System.currentTimeMillis(); - try { - Thread.sleep(1000L - now % 1000); - } catch (InterruptedException e) { - // Ignore - } - now = System.currentTimeMillis(); - String s1 = FastHttpDateFormat.getCurrentDate(); - long lastMillisInSameSecond = now - now % 1000 + 900L; - try { - Thread.sleep(lastMillisInSameSecond - now); - } catch (InterruptedException e) { - // Ignore - } - String s2 = FastHttpDateFormat.getCurrentDate(); - Assert.assertEquals("Two same RFC5322 format dates are expected.", s1, s2); - } + public void testGetCurrentDate() { + /* + * Run three iterations of the test. The runs are offset by 1300 seconds to ensure that FastHttpDateFormat is + * using a 1s window aligned with the start of a second. + */ + for (int i = 0; i < 3; i++) { + if (i > 0) { + try { + Thread.sleep(1300); + } catch (InterruptedException e) { + Assert.fail("InterruptedException observed"); + } + } + String d1 = FastHttpDateFormat.getCurrentDate(); + long start = System.currentTimeMillis() / 1000; - @Test - public void testGetCurrentDateNextToAnotherSecond() { - long now = System.currentTimeMillis(); + long t1 = 0; + long t2 = 0; + long t3 = start; + String d2 = d1; - try { - Thread.sleep(2000L - now % 1000 + 500L); - } catch (InterruptedException e) { - // Ignore - } - now = System.currentTimeMillis(); - String s1 = FastHttpDateFormat.getCurrentDate(); - long firstMillisOfNextSecond = now - now % 1000 + 1100L; - try { - Thread.sleep(firstMillisOfNextSecond - now); - } catch (InterruptedException e) { - // Ignore - } + /* + * Run this test for 3s. Should normally see 3 changes of date. May, very rarely, see 2. + */ + int changes = 0; + while (t3 - start < 3) { + + // Copy results to next slot, dropping the oldest (t3 and d2) + d2 = d1; + t3 = t2; + t2 = t1; - String s2 = FastHttpDateFormat.getCurrentDate(); - Assert.assertFalse("Two different RFC5322 format dates are expected.", s1.equals(s2)); + // Get current results. The date must be obtained before the current time. + d1 = FastHttpDateFormat.getCurrentDate(); + t1 = System.currentTimeMillis() / 1000; + + // Has the formatted date changed + if (!d2.equals(d1)) { + changes++; + // Then the second must have changed + if (t1 == t2 && t2 == t3) { + Assert.fail("Formatted date changed withint the same second"); + } + } + } + Assert.assertTrue("Saw [" + changes + "] in formatted date", changes > 1 && changes < 4); + } } } --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org