1 files changed, 10 insertions, 0 deletions
diff --git a/spec/warning_spec.rb b/spec/warning_spec.rb
new file mode 100644
index 00000000..3f7328ce
--- /dev/null
+++ b/spec/warning_spec.rb
@@ -0,0 +1,10 @@
+RSpec.describe Pry::Warning do
+  describe "#warn" do
+    it "prints a warning with file and line" do
+      expect(Kernel).to receive(:warn).with(
+        "#{__FILE__}:#{__LINE__ + 2}: warning: foo bar"
+      )
+      described_class.warn('foo bar')
+    end
+  end
+end