1 files changed, 51 insertions, 0 deletions
diff --git a/spec/ruby/core/exception/signal_exception_spec.rb b/spec/ruby/core/exception/signal_exception_spec.rb
index e0b30236f7..e494e18cde 100644
--- a/spec/ruby/core/exception/signal_exception_spec.rb
+++ b/spec/ruby/core/exception/signal_exception_spec.rb
@@ -30,6 +30,12 @@ describe "SignalException.new" do
     -> { SignalException.new("NONEXISTENT") }.should raise_error(ArgumentError)
   end
 
+  ruby_version_is "2.6" do
+    it "raises an exception with an invalid first argument type" do
+      -> { SignalException.new(Object.new) }.should raise_error(ArgumentError)
+    end
+  end
+
   it "takes a signal symbol without SIG prefix as the first argument" do
     exc = SignalException.new(:INT)
     exc.signo.should == Signal.list["INT"]
@@ -72,3 +78,48 @@ describe "rescuing SignalException" do
     end
   end
 end
+
+describe "SignalException" do
+  it "can be rescued" do
+    ruby_exe(<<-RUBY)
+      begin
+        raise SignalException, 'SIGKILL'
+      rescue SignalException
+        exit(0)
+      end
+      exit(1)
+    RUBY
+
+    $?.exitstatus.should == 0
+  end
+
+  platform_is_not :windows do
+    it "runs after at_exit" do
+      output = ruby_exe(<<-RUBY)
+        at_exit do
+          puts "hello"
+          $stdout.flush
+        end
+
+        raise SignalException, 'SIGKILL'
+      RUBY
+
+      $?.termsig.should == Signal.list.fetch("KILL")
+      output.should == "hello\n"
+    end
+
+    it "cannot be trapped with Signal.trap" do
+      ruby_exe(<<-RUBY)
+        Signal.trap("PROF") {}
+        raise(SignalException, "PROF")
+      RUBY
+
+      $?.termsig.should == Signal.list.fetch("PROF")
+    end
+
+    it "self-signals for USR1" do
+      ruby_exe("raise(SignalException, 'USR1')")
+      $?.termsig.should == Signal.list.fetch('USR1')
+    end
+  end
+end