1 files changed, 55 insertions, 6 deletions
diff --git a/spec/ruby/core/exception/signal_exception_spec.rb b/spec/ruby/core/exception/signal_exception_spec.rb
index 3b2d1aad61..010181bc55 100644
--- a/spec/ruby/core/exception/signal_exception_spec.rb
+++ b/spec/ruby/core/exception/signal_exception_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../../spec_helper', __FILE__)
+require_relative '../../spec_helper'
 
 describe "SignalException.new" do
   it "takes a signal number as the first argument" do
@@ -9,7 +9,7 @@ describe "SignalException.new" do
   end
 
   it "raises an exception with an invalid signal number" do
-    lambda { SignalException.new(100000) }.should raise_error(ArgumentError)
+    -> { SignalException.new(100000) }.should.raise(ArgumentError)
   end
 
   it "takes a signal name without SIG prefix as the first argument" do
@@ -27,7 +27,11 @@ describe "SignalException.new" do
   end
 
   it "raises an exception with an invalid signal name" do
-    lambda { SignalException.new("NONEXISTANT") }.should raise_error(ArgumentError)
+    -> { SignalException.new("NONEXISTENT") }.should.raise(ArgumentError)
+  end
+
+  it "raises an exception with an invalid first argument type" do
+    -> { SignalException.new(Object.new) }.should.raise(ArgumentError)
   end
 
   it "takes a signal symbol without SIG prefix as the first argument" do
@@ -45,7 +49,7 @@ describe "SignalException.new" do
   end
 
   it "raises an exception with an invalid signal name" do
-    lambda { SignalException.new(:NONEXISTANT) }.should raise_error(ArgumentError)
+    -> { SignalException.new(:NONEXISTENT) }.should.raise(ArgumentError)
   end
 
   it "takes an optional message argument with a signal number" do
@@ -56,11 +60,11 @@ describe "SignalException.new" do
   end
 
   it "raises an exception for an optional argument with a signal name" do
-    lambda { SignalException.new("INT","name") }.should raise_error(ArgumentError)
+    -> { SignalException.new("INT","name") }.should.raise(ArgumentError)
   end
 end
 
-describe "rescueing SignalException" do
+describe "rescuing SignalException" do
   it "raises a SignalException when sent a signal" do
     begin
       Process.kill :TERM, Process.pid
@@ -72,3 +76,48 @@ describe "rescueing 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, exit_status: :SIGKILL)
+        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, exit_status: :SIGPROF)
+        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')", exit_status: :SIGUSR1)
+      $?.termsig.should == Signal.list.fetch('USR1')
+    end
+  end
+end