1 files changed, 25 insertions, 0 deletions
diff --git a/spec/ruby/core/array/pack/comment_spec.rb b/spec/ruby/core/array/pack/comment_spec.rb
new file mode 100644
index 0000000000..00c5fb6ecd
--- /dev/null
+++ b/spec/ruby/core/array/pack/comment_spec.rb
@@ -0,0 +1,25 @@
+# -*- encoding: ascii-8bit -*-
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "Array#pack" do
+  it "ignores directives text from '#' to the first newline" do
+    [1, 2, 3].pack("c#this is a comment\nc").should == "\x01\x02"
+  end
+
+  it "ignores directives text from '#' to the end if no newline is present" do
+    [1, 2, 3].pack("c#this is a comment c").should == "\x01"
+  end
+
+  it "ignores comments at the start of the directives string" do
+    [1, 2, 3].pack("#this is a comment\nc").should == "\x01"
+  end
+
+  it "ignores the entire directive string if it is a comment" do
+    [1, 2, 3].pack("#this is a comment").should == ""
+  end
+
+  it "ignores multiple comments" do
+    [1, 2, 3].pack("c#comment\nc#comment\nc#c").should == "\x01\x02\x03"
+  end
+end