Additional test case

Author: nattsw

spec/lib/content_splitter_spec.rb

@@ -15,6 +15,11 @@ def set_limit(value)
     expect(described_class.split("")).to eq([""])
   end
 
+  it "handles content with only spaces" do
+    expect(described_class.split(" ")).to eq([" "])
+    expect(described_class.split("  ")).to eq(["  "])
+  end
+
   it "handles nil input" do
     expect(described_class.split(nil)).to eq([])
   end