From a873b03ebb24076b3664ba694eeed4ab07d176d9 Mon Sep 17 00:00:00 2001
From: Barry Warsaw <barry@python.org>
Date: Thu, 3 Aug 2000 15:50:37 +0000
Subject: [PATCH] Added a -l/--leakdebug option which turns on DEBUG_LEAK if
 the gc module is importable.

---
 Lib/test/regrtest.py | 35 +++++++++++++++++++++++------------
 1 file changed, 23 insertions(+), 12 deletions(-)

diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index e96ba818fd..69bbf14b1e 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -8,12 +8,13 @@ additional facilities.
 
 Command line options:
 
--v: verbose  -- run tests in verbose mode with output to stdout
--q: quiet    -- don't print anything except if a test fails
--g: generate -- write the output file for a test instead of comparing it
--x: exclude  -- arguments are tests to *exclude*
--s: single   -- run only a single test (see below)
--r: random   -- randomize test execution order
+-v: verbose   -- run tests in verbose mode with output to stdout
+-q: quiet     -- don't print anything except if a test fails
+-g: generate  -- write the output file for a test instead of comparing it
+-x: exclude   -- arguments are tests to *exclude*
+-s: single    -- run only a single test (see below)
+-r: random    -- randomize test execution order
+-l: leakdebug -- if cycle garbage collection is enabled, run with DEBUG_LEAK
 
 If non-option arguments are present, they are names for tests to run,
 unless -x is given, in which case they are names for tests not to run.
@@ -39,7 +40,7 @@ import random
 import test_support
 
 def main(tests=None, testdir=None, verbose=0, quiet=0, generate=0,
-         exclude=0, single=0, randomize=0):
+         exclude=0, single=0, randomize=0, leakdebug=0):
     """Execute a test suite.
 
     This also parses command-line options and modifies its behavior
@@ -56,14 +57,15 @@ def main(tests=None, testdir=None, verbose=0, quiet=0, generate=0,
     command-line will be used.  If that's empty, too, then all *.py
     files beginning with test_ will be used.
 
-    The other six default arguments (verbose, quiet, generate, exclude,
-    single, and randomize) allow programmers calling main() directly to
-    set the values that would normally be set by flags on the command
-    line.
+    The other seven default arguments (verbose, quiet, generate, exclude,
+    single, randomize, and leakdebug) allow programmers calling main()
+    directly to set the values that would normally be set by flags on the
+    command line.
+
     """
     
     try:
-        opts, args = getopt.getopt(sys.argv[1:], 'vgqxsr')
+        opts, args = getopt.getopt(sys.argv[1:], 'vgqxsrl')
     except getopt.error, msg:
         print msg
         print __doc__
@@ -75,6 +77,7 @@ def main(tests=None, testdir=None, verbose=0, quiet=0, generate=0,
         if o == '-x': exclude = 1
         if o == '-s': single = 1
         if o == '-r': randomize = 1
+        if o == '-l': leakdebug = 1
     if generate and verbose:
         print "-g and -v don't go together!"
         return 2
@@ -82,6 +85,14 @@ def main(tests=None, testdir=None, verbose=0, quiet=0, generate=0,
     bad = []
     skipped = []
 
+    if leakdebug:
+        try:
+            import gc
+        except ImportError:
+            print 'cycle garbage collection not available'
+        else:
+            gc.set_debug(gc.DEBUG_LEAK)
+
     if single:
         from tempfile import gettempdir
         filename = os.path.join(gettempdir(), 'pynexttest')
-- 
2.40.0