Added testing to actually validate new sleep functionality

1 files changed, 6 insertions, 0 deletions

diff --git a/spec/blumfump_spec.rb b/spec/blumfump_spec.rb
index 3ab30ba..eeee98a 100644
--- a/spec/blumfump_spec.rb
+++ b/spec/blumfump_spec.rb
@@ -1,3 +1,9 @@
 RSpec.describe Blumfump do
   specify { expect(Blumfump::VERSION).not_to be_nil }
+
+  it 'should cause sleep to do nothing' do
+    start_time = Time.now
+    sleep(10)
+    expect(Time.now).to be_within(9).of start_time
+  end
 end