1 files changed, 50 insertions, 4 deletions
diff --git a/spec/ruby/core/thread/to_s_spec.rb b/spec/ruby/core/thread/to_s_spec.rb
index 85976177dc..2aef426de8 100644
--- a/spec/ruby/core/thread/to_s_spec.rb
+++ b/spec/ruby/core/thread/to_s_spec.rb
@@ -1,8 +1,54 @@
 require_relative '../../spec_helper'
-require_relative 'shared/to_s'
+require_relative 'fixtures/classes'
 
-ruby_version_is "2.5" do
-  describe "Thread#to_s" do
-    it_behaves_like :thread_to_s, :to_s
+describe "Thread#to_s" do
+  it "returns a description including file and line number" do
+    thread, line = Thread.new { "hello" }, __LINE__
+    thread.join
+    thread.to_s.should =~ /^#<Thread:([^ ]*?) #{Regexp.escape __FILE__}:#{line} \w+>$/
+  end
+
+  it "has a binary encoding" do
+    ThreadSpecs.status_of_current_thread.to_s.encoding.should == Encoding::BINARY
+  end
+
+  it "can check it's own status" do
+    ThreadSpecs.status_of_current_thread.to_s.should.include?('run')
+  end
+
+  it "describes a running thread" do
+    ThreadSpecs.status_of_running_thread.to_s.should.include?('run')
+  end
+
+  it "describes a sleeping thread" do
+    ThreadSpecs.status_of_sleeping_thread.to_s.should.include?('sleep')
+  end
+
+  it "describes a blocked thread" do
+    ThreadSpecs.status_of_blocked_thread.to_s.should.include?('sleep')
+  end
+
+  it "describes a completed thread" do
+    ThreadSpecs.status_of_completed_thread.to_s.should.include?('dead')
+  end
+
+  it "describes a killed thread" do
+    ThreadSpecs.status_of_killed_thread.to_s.should.include?('dead')
+  end
+
+  it "describes a thread with an uncaught exception" do
+    ThreadSpecs.status_of_thread_with_uncaught_exception.to_s.should.include?('dead')
+  end
+
+  it "describes a dying sleeping thread" do
+    ThreadSpecs.status_of_dying_sleeping_thread.to_s.should.include?('sleep')
+  end
+
+  it "reports aborting on a killed thread" do
+    ThreadSpecs.status_of_dying_running_thread.to_s.should.include?('aborting')
+  end
+
+  it "reports aborting on a killed thread after sleep" do
+    ThreadSpecs.status_of_dying_thread_after_sleep.to_s.should.include?('aborting')
   end
 end