1 files changed, 11 insertions, 4 deletions
diff --git a/spec/bundler/bundler/digest_spec.rb b/spec/bundler/bundler/digest_spec.rb
index d6bb043fd0..f876827964 100644
--- a/spec/bundler/bundler/digest_spec.rb
+++ b/spec/bundler/bundler/digest_spec.rb
@@ -1,16 +1,23 @@
 # frozen_string_literal: true
 
-require "digest"
+require "openssl"
 require "bundler/digest"
 
 RSpec.describe Bundler::Digest do
   context "SHA1" do
     subject { Bundler::Digest }
-    let(:stdlib) { ::Digest::SHA1 }
+    let(:stdlib) { OpenSSL::Digest::SHA1 }
 
     it "is compatible with stdlib" do
-      ["foo", "skfjsdlkfjsdf", "3924m", "ldskfj"].each do |payload|
-        expect(subject.sha1(payload)).to be == stdlib.hexdigest(payload)
+      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