From 46706e7808b897703f759d4d96b65fdf4b2bf9d0 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Tue, 14 Jun 2022 22:40:49 -0700
Subject: MJIT: Add a test for Process.waitall handling

---
 test/ruby/test_rubyvm_mjit.rb | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_rubyvm_mjit.rb b/test/ruby/test_rubyvm_mjit.rb
index 94b773c4e6..92733a2b15 100644
--- a/test/ruby/test_rubyvm_mjit.rb
+++ b/test/ruby/test_rubyvm_mjit.rb
@@ -51,6 +51,19 @@ class TestRubyVMMJIT < Test::Unit::TestCase
     ) unless RUBY_PLATFORM.match?(/mswin|mingw/) # compaction is not supported on Windows yet
   end
 
+  def test_pause_after_waitall
+    out, err = eval_with_jit(<<~'EOS', verbose: 1, min_calls: 1, wait: false)
+      def test() = nil
+      test
+      Process.waitall
+      print RubyVM::MJIT.pause
+    EOS
+    assert_equal(
+      1, err.scan(/#{JITSupport::JIT_SUCCESS_PREFIX}/).size,
+      "unexpected stdout:\n```\n#{out}```\n\nstderr:\n```\n#{err}```",
+    )
+  end
+
   def test_pause_does_not_hang_on_full_units
     out, _ = eval_with_jit(<<~'EOS', verbose: 1, min_calls: 1, max_cache: 10, wait: false)
       i = 0
-- 
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