1 files changed, 22 insertions, 0 deletions
diff --git a/spec/rubyspec/library/base64/urlsafe_encode64_spec.rb b/spec/rubyspec/library/base64/urlsafe_encode64_spec.rb
new file mode 100644
index 0000000000..32fce72603
--- /dev/null
+++ b/spec/rubyspec/library/base64/urlsafe_encode64_spec.rb
@@ -0,0 +1,22 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+require 'base64'
+
+describe "Base64#urlsafe_encode64" do
+  it "uses '_' instead of '/'" do
+    encoded = Base64.urlsafe_encode64('Where am I? Who am I? Am I? I?')
+    encoded.should == "V2hlcmUgYW0gST8gV2hvIGFtIEk_IEFtIEk_IEk_"
+  end
+
+  it "uses '-' instead of '+'" do
+    encoded = Base64.urlsafe_encode64('"Being disintegrated makes me ve-ry an-gry!" <huff, huff>')
+    encoded.should == 'IkJlaW5nIGRpc2ludGVncmF0ZWQgbWFrZXMgbWUgdmUtcnkgYW4tZ3J5ISIgPGh1ZmYsIGh1ZmY-'
+  end
+
+  ruby_version_is "2.3" do
+    it "makes padding optional" do
+      Base64.urlsafe_encode64("1", padding: false).should == "MQ"
+      Base64.urlsafe_encode64("1").should == "MQ=="
+    end
+  end
+end