https://git.ruby-lang.org/ruby.git/commit/?id=79eb5e1aca

From 79eb5e1acac2339c6ec71db723298bdfcd92b233 Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@a...>
Date: Thu, 12 Dec 2019 03:31:13 +0900
Subject: call GC.compact after each test.

RUBY_TEST_GC_COMPACT=1 enables GC.compact checker which calls
GC.compact after each test.

diff --git a/tool/lib/gc_compact_checker.rb b/tool/lib/gc_compact_checker.rb
new file mode 100644
index 0000000..a6ef3d3
--- /dev/null
+++ b/tool/lib/gc_compact_checker.rb
@@ -0,0 +1,10 @@ https://github.com/ruby/ruby/blob/trunk/tool/lib/gc_compact_checker.rb#L1
+# frozen_string_literal: true
+
+module GCCompactChecker
+  def after_teardown
+    super
+    GC.compact
+  end
+end
+
+Test::Unit::TestCase.include GCCompactChecker if ENV['RUBY_TEST_GC_COMPACT']
diff --git a/tool/test/runner.rb b/tool/test/runner.rb
index 708d654..60d9af2 100644
--- a/tool/test/runner.rb
+++ b/tool/test/runner.rb
@@ -9,6 +9,7 @@ require "profile_test_all" if ENV.key?('RUBY_TEST_ALL_PROFILE') https://github.com/ruby/ruby/blob/trunk/tool/test/runner.rb#L9
 require "tracepointchecker"
 require "zombie_hunter"
 require "iseq_loader_checker"
+require "gc_compact_checker"
 require_relative "../test-coverage.rb" if ENV.key?('COVERAGE')
 
 case $0
-- 
cgit v0.10.2


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