1 files changed, 30 insertions, 0 deletions
diff --git a/spec/mspec/lib/mspec/guards/bug.rb b/spec/mspec/lib/mspec/guards/bug.rb
new file mode 100644
index 0000000000..31de6e080d
--- /dev/null
+++ b/spec/mspec/lib/mspec/guards/bug.rb
@@ -0,0 +1,30 @@
+require 'mspec/guards/version'
+
+class BugGuard < VersionGuard
+  def initialize(bug, version)
+    @bug = bug
+    if String === version
+      MSpec.deprecate "ruby_bug with a single version", 'an exclusive range ("2.1"..."2.3")'
+      @version = SpecVersion.new version, true
+    else
+      super(version)
+    end
+    @parameters = [@bug, @version]
+  end
+
+  def match?
+    return false if MSpec.mode? :no_ruby_bug
+    return false unless PlatformGuard.standard?
+    if Range === @version
+      super
+    else
+      FULL_RUBY_VERSION <= @version
+    end
+  end
+end
+
+class Object
+  def ruby_bug(bug, version, &block)
+    BugGuard.new(bug, version).run_unless(:ruby_bug, &block)
+  end
+end