1 files changed, 44 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/at_exit_spec.rb b/spec/ruby/core/kernel/at_exit_spec.rb
new file mode 100644
index 0000000000..9fcb99148c
--- /dev/null
+++ b/spec/ruby/core/kernel/at_exit_spec.rb
@@ -0,0 +1,44 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Kernel.at_exit" do
+  it "is a private method" do
+    Kernel.should have_private_instance_method(:at_exit)
+  end
+
+  it "runs after all other code" do
+    ruby_exe("at_exit {print 5}; print 6").should == "65"
+  end
+
+  it "runs in reverse order of registration" do
+    code = "at_exit {print 4};at_exit {print 5}; print 6; at_exit {print 7}"
+    ruby_exe(code).should == "6754"
+  end
+
+  it "allows calling exit inside at_exit handler" do
+    code = "at_exit {print 3}; at_exit {print 4; exit; print 5}; at_exit {print 6}"
+    ruby_exe(code).should == "643"
+  end
+
+  it "gives access to the last raised exception" do
+    code = <<-EOC
+      at_exit do
+        puts "The exception matches: \#{$! == $exception}"
+      end
+
+      begin
+        raise "foo"
+      rescue => $exception
+        raise
+      end
+    EOC
+
+    result = ruby_exe(code, args: "2>&1", escape: true)
+    result.should =~ /The exception matches: true/
+  end
+
+end
+
+describe "Kernel#at_exit" do
+  it "needs to be reviewed for spec completeness"
+end