3 files changed, 43 insertions, 5 deletions
diff --git a/spec/ruby/core/thread/shared/exit.rb b/spec/ruby/core/thread/shared/exit.rb
index 40dc478947..13e8832684 100644
--- a/spec/ruby/core/thread/shared/exit.rb
+++ b/spec/ruby/core/thread/shared/exit.rb
@@ -66,6 +66,26 @@ describe :thread_exit, shared: true do
     ScratchPad.recorded.should == nil
   end
 
+  it "does not reset $!" do
+    ScratchPad.record []
+
+    exc = RuntimeError.new("foo")
+    thread = Thread.new do
+      begin
+        raise exc
+      ensure
+        ScratchPad << $!
+        begin
+          Thread.current.send(@method)
+        ensure
+          ScratchPad << $!
+        end
+      end
+    end
+    thread.join
+    ScratchPad.recorded.should == [exc, exc]
+  end
+
   it "cannot be rescued" do
     thread = Thread.new do
       begin
@@ -73,7 +93,7 @@ describe :thread_exit, shared: true do
       rescue Exception
         ScratchPad.record :in_rescue
       end
-     ScratchPad.record :end_of_thread_block
+      ScratchPad.record :end_of_thread_block
     end
 
     thread.join
@@ -93,6 +113,25 @@ describe :thread_exit, shared: true do
     ScratchPad.recorded.should == nil
   end
 
+  it "kills other fibers of that thread without running their ensure clauses" do
+    t = Thread.new do
+      f = Fiber.new do
+        ScratchPad.record :fiber_resumed
+        begin
+          Fiber.yield
+        ensure
+          ScratchPad.record :fiber_ensure
+        end
+      end
+      f.resume
+      sleep
+    end
+    Thread.pass until t.stop?
+    t.send(@method)
+    t.join
+    ScratchPad.recorded.should == :fiber_resumed
+  end
+
   # This spec is a mess. It fails randomly, it hangs on MRI, it needs to be removed
   quarantine! do
   it "killing dying running does nothing" do
diff --git a/spec/ruby/core/thread/shared/to_s.rb b/spec/ruby/core/thread/shared/to_s.rb
index 45c04af627..43640deb33 100644
--- a/spec/ruby/core/thread/shared/to_s.rb
+++ b/spec/ruby/core/thread/shared/to_s.rb
@@ -1,12 +1,10 @@
 require_relative '../fixtures/classes'
 
 describe :thread_to_s, shared: true do
-  sep = ruby_version_is("2.7") ? " " : "@"
-
   it "returns a description including file and line number" do
     thread, line = Thread.new { "hello" }, __LINE__
     thread.join
-    thread.send(@method).should =~ /^#<Thread:([^ ]*?)#{sep}#{Regexp.escape __FILE__}:#{line} \w+>$/
+    thread.send(@method).should =~ /^#<Thread:([^ ]*?) #{Regexp.escape __FILE__}:#{line} \w+>$/
   end
 
   it "has a binary encoding" do
diff --git a/spec/ruby/core/thread/shared/wakeup.rb b/spec/ruby/core/thread/shared/wakeup.rb
index f111edf0fd..6f010fea25 100644
--- a/spec/ruby/core/thread/shared/wakeup.rb
+++ b/spec/ruby/core/thread/shared/wakeup.rb
@@ -36,7 +36,7 @@ describe :thread_wakeup, shared: true do
 
   it "does not result in a deadlock" do
     t = Thread.new do
-      100.times { Thread.stop }
+      10.times { Thread.stop }
     end
 
     while t.status
@@ -47,6 +47,7 @@ describe :thread_wakeup, shared: true do
         t.status.should == false
       end
       Thread.pass
+      sleep 0.001
     end
 
     t.status.should == false