Add more #at_exit specs

Author: eregon

spec/ruby/core/kernel/at_exit_spec.rb

@@ -37,6 +37,23 @@
     result.lines.should.include?("The exception matches: true (message=foo)\n")
   end
 
+  it "both exceptions in at_exit and in the main script are printed" do
+    result = ruby_exe('at_exit { raise "at_exit_error" }; raise "main_script_error"', args: "2>&1")
+    result.should.include?('at_exit_error (RuntimeError)')
+    result.should.include?('main_script_error (RuntimeError)')
+  end
+
+  it "decides the exit status if both at_exit and the main script raise SystemExit" do
+    ruby_exe('at_exit { exit 43 }; exit 42', args: "2>&1")
+    $?.exitstatus.should == 43
+  end
+
+  it "runs all at_exit even if some raise exceptions" do
+    code = 'at_exit { STDERR.puts "last" }; at_exit { exit 43 }; at_exit { STDERR.puts "first" }; exit 42'
+    result = ruby_exe(code, args: "2>&1")
+    result.should == "first\nlast\n"
+    $?.exitstatus.should == 43
+  end
 end
 
 describe "Kernel#at_exit" do

spec/ruby/shared/process/exit.rb

@@ -92,6 +92,12 @@
     $?.exitstatus.should == 21
   end
 
+  it "skips at_exit handlers" do
+    out = ruby_exe("at_exit { STDERR.puts 'at_exit' }; #{@object}.send(:exit!, 21)", args: '2>&1')
+    out.should == ""
+    $?.exitstatus.should == 21
+  end
+
   it "overrides the original exception and exit status when called from #at_exit" do
     code = <<-RUBY
     at_exit do

spec/tags/core/kernel/at_exit_tags.txt

@@ -2,3 +2,6 @@ slow:Kernel.at_exit runs after all other code
 slow:Kernel.at_exit runs in reverse order of registration
 slow:Kernel.at_exit allows calling exit inside at_exit handler
 slow:Kernel.at_exit gives access to the last raised exception
+slow:Kernel.at_exit both exceptions in at_exit and in the main script are printed
+slow:Kernel.at_exit decides the exit status if both at_exit and the main script raise SystemExit
+slow:Kernel.at_exit runs all at_exit even if some raise exceptions

spec/tags/core/kernel/exit_tags.txt

@@ -6,3 +6,5 @@ slow:Kernel.exit! exits when called from a thread
 slow:Kernel.exit! exits when called from a fiber
 slow:Kernel#exit! overrides the original exception and exit status when called from #at_exit
 slow:Kernel.exit! overrides the original exception and exit status when called from #at_exit
+slow:Kernel#exit! skips at_exit handlers
+slow:Kernel.exit! skips at_exit handlers

spec/tags/core/process/exit_tags.txt

@@ -2,3 +2,4 @@ slow:Process.exit! exits with the given status
 slow:Process.exit! exits when called from a thread
 slow:Process.exit! exits when called from a fiber
 slow:Process.exit! overrides the original exception and exit status when called from #at_exit
+slow:Process.exit! skips at_exit handlers