Add failing test case.

Author: ioquatix

.github/workflows/coverage.yaml

@@ -14,7 +14,7 @@ jobs:
     name: ${{matrix.ruby}} on ${{matrix.os}}
     runs-on: ${{matrix.os}}-latest
     env:
-      BUNDLER_GEMFILE: ${{matrix.gemfile}}
+      BUNDLE_GEMFILE: ${{matrix.gemfile}}
 
     strategy:
       matrix:

.github/workflows/test.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{matrix.os}}-latest
     continue-on-error: ${{matrix.experimental}}
     env:
-      BUNDLER_GEMFILE: ${{matrix.gemfile}}
+      BUNDLE_GEMFILE: ${{matrix.gemfile}}
 
     strategy:
       matrix:

gems/gems.rb

@@ -0,0 +1,8 @@
+source "https://rubygems.org"
+
+gem "async-http"
+gem "bake-test"
+gem "bake-test-external"
+gem "sus"
+gem "sus-fixtures-async-http"
+gem "covered"

gems/rack-v1.rb

@@ -3,6 +3,6 @@
 # Released under the MIT License.
 # Copyright, 2022, by Samuel Williams.
 
-eval_gemfile("../gems.rb")
+eval_gemfile("gems.rb")
 
 gem "rack", "~> 1.0"

gems/rack-v1.rb.lock

@@ -0,0 +1,71 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    async (2.5.1)
+      console (~> 1.10)
+      io-event (~> 1.1)
+      timers (~> 4.1)
+    async-http (0.60.1)
+      async (>= 1.25)
+      async-io (>= 1.28)
+      async-pool (>= 0.2)
+      protocol-http (~> 0.24.0)
+      protocol-http1 (~> 0.15.0)
+      protocol-http2 (~> 0.15.0)
+      traces (>= 0.8.0)
+    async-io (1.34.3)
+      async
+    async-pool (0.4.0)
+      async (>= 1.25)
+    bake (0.18.2)
+      samovar (~> 2.1)
+    bake-test (0.2.0)
+      bake
+    bake-test-external (0.3.2)
+      bake
+    console (1.16.2)
+      fiber-local
+    covered (0.20.2)
+      console (~> 1.0)
+      msgpack (~> 1.0)
+    fiber-local (1.0.0)
+    io-event (1.2.2)
+    mapping (1.1.1)
+    msgpack (1.7.1)
+    protocol-hpack (1.4.2)
+    protocol-http (0.24.2)
+    protocol-http1 (0.15.0)
+      protocol-http (~> 0.22)
+    protocol-http2 (0.15.1)
+      protocol-hpack (~> 1.4)
+      protocol-http (~> 0.18)
+    rack (1.6.13)
+    samovar (2.1.4)
+      console (~> 1.0)
+      mapping (~> 1.0)
+    sus (0.20.3)
+    sus-fixtures-async (0.1.1)
+      async
+      sus (~> 0.10)
+    sus-fixtures-async-http (0.3.0)
+      async-http (~> 0.54)
+      async-io (~> 1.34)
+      sus (~> 0.10)
+      sus-fixtures-async (~> 0.1)
+    timers (4.3.5)
+    traces (0.9.1)
+
+PLATFORMS
+  arm64-darwin-22
+
+DEPENDENCIES
+  async-http
+  bake-test
+  bake-test-external
+  covered
+  rack (~> 1.0)
+  sus
+  sus-fixtures-async-http
+
+BUNDLED WITH
+   2.4.7

gems/rack-v2.rb

@@ -3,6 +3,6 @@
 # Released under the MIT License.
 # Copyright, 2022, by Samuel Williams.
 
-eval_gemfile("../gems.rb")
+eval_gemfile("gems.rb")
 
 gem "rack", "~> 2.0"

gems/rack-v3.rb

@@ -3,6 +3,6 @@
 # Released under the MIT License.
 # Copyright, 2022, by Samuel Williams.
 
-eval_gemfile("../gems.rb")
+eval_gemfile("gems.rb")
 
 gem "rack", "~> 3.0"

lib/protocol/rack/adapter.rb

@@ -11,7 +11,7 @@
 module Protocol
 	module Rack
 		module Adapter
-			if ::Rack::RELEASE >= "3"
+			if ::Rack.release >= "3"
 				IMPLEMENTATION = Rack3
 			else
 				IMPLEMENTATION = Rack2

test/protocol/rack/adapter.rb

@@ -75,6 +75,21 @@
 		end
 	end
 
+	with 'non-string header value' do
+		let(:app) do
+			lambda do |env|
+				[200, {'x-custom' => 123}, ["Hello World!"]]
+			end
+		end
+		
+		let(:response) {client.get("/")}
+		
+		it "get valid response" do
+			expect(response.read).to be == "Hello World!"
+			expect(response.headers['x-custom']).to be == ['123']
+		end
+	end
+	
 	with 'REQUEST_URI', timeout: 1 do
 		let(:app) do
 			lambda do |env|