1 files changed, 24 insertions, 0 deletions
diff --git a/spec/bundler/bundler/digest_spec.rb b/spec/bundler/bundler/digest_spec.rb
new file mode 100644
index 0000000000..f876827964
--- /dev/null
+++ b/spec/bundler/bundler/digest_spec.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require "openssl"
+require "bundler/digest"
+
+RSpec.describe Bundler::Digest do
+  context "SHA1" do
+    subject { Bundler::Digest }
+    let(:stdlib) { OpenSSL::Digest::SHA1 }
+
+    it "is compatible with stdlib" do
+      random_strings = ["foo", "skfjsdlkfjsdf", "3924m", "ldskfj"]
+
+      # https://www.rfc-editor.org/rfc/rfc3174#section-7.3
+      rfc3174_test_cases = ["abc", "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", "a", "01234567" * 8]
+
+      (random_strings + rfc3174_test_cases).each do |payload|
+        sha1 = subject.sha1(payload)
+        sha1_stdlib = stdlib.hexdigest(payload)
+        expect(sha1).to be == sha1_stdlib, "#{payload}'s sha1 digest (#{sha1}) did not match stlib's result (#{sha1_stdlib})"
+      end
+    end
+  end
+end