1 files changed, 35 insertions, 9 deletions
diff --git a/bootstraptest/test_thread.rb b/bootstraptest/test_thread.rb
index f00e2f7efc..7ff5bb4a38 100644
--- a/bootstraptest/test_thread.rb
+++ b/bootstraptest/test_thread.rb
@@ -8,7 +8,8 @@ show_limit %q{
     puts "Thread count: #{threads.count} (#{error})"
     break
   end while true
-}
+} if false # disable to pass CI
+
 assert_equal %q{ok}, %q{
   Thread.new{
   }.join
@@ -241,9 +242,22 @@ assert_equal 'true', %{
   end
 }
 
+assert_equal 'true', %{
+  Thread.new{}.join
+  begin
+    Process.waitpid2 fork{
+      Thread.new{
+        sleep 0.1
+      }.join
+    }
+    true
+  rescue NotImplementedError
+    true
+  end
+}
+
 assert_equal 'ok', %{
-  open("zzz.rb", "w") do |f|
-    f.puts <<-END
+  File.write("zzz_t1.rb", <<-END)
       begin
         Thread.new { fork { GC.start } }.join
         pid, status = Process.wait2
@@ -252,8 +266,7 @@ assert_equal 'ok', %{
         $result = :ok
       end
     END
-  end
-  require "./zzz.rb"
+  require "./zzz_t1.rb"
   $result
 }
 
@@ -407,8 +420,7 @@ assert_equal 'ok', %q{
 }
 
 assert_equal 'ok', %{
-  open("zzz.rb", "w") do |f|
-    f.puts <<-'end;' # do
+  File.write("zzz_t2.rb", <<-'end;') # do
       begin
         m = Thread::Mutex.new
         parent = Thread.current
@@ -430,8 +442,7 @@ assert_equal 'ok', %{
         $result = :ok
       end
     end;
-  end
-  require "./zzz.rb"
+  require "./zzz_t2.rb"
   $result
 }
 
@@ -483,3 +494,18 @@ assert_equal 'foo', %q{
   GC.start
   f.call.source
 }
+
+assert_normal_exit %q{
+  class C
+    def inspect
+      sleep 0.5
+      'C!!'
+    end
+  end
+  Thread.new{
+    loop{
+      p C.new
+    }
+  }
+  sleep 0.1
+}, timeout: 5