Fix compatibility with --frozen-string-literal

rails · Jun 10, 2024 · 9d796d8 · 9d796d8
1 parent c5987d5
commit 9d796d8
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -8,19 +8,22 @@ jobs:
       matrix:
         ruby: [ '3.1', '3.2', '3.3', 'head' ]
         rails: [ '7.1', 'edge' ]
+        rubyopt: [""]
         include:
           - ruby: '2.7'
             rails: '6.1'
           - ruby: '3.0'
             rails: '6.1'
           - ruby: '3.1'
             rails: '7.0'
+          - ruby-version: '3.3'
+            rubyopt: "--enable-frozen-string-literal"
 
     env:
       RAILS_VERSION: ${{ matrix.rails }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
@@ -29,10 +32,10 @@ jobs:
           bundler-cache: true
 
       - name: Run unit tests
-        run: bundle exec rake test:unit
+        run: bundle exec rake test:unit RUBYOPT="${{ matrix.rubyopt }}"
         timeout-minutes: 3
 
       - name: Run acceptance tests
-        run: bundle exec rake test:acceptance
+        run: bundle exec rake test:acceptance RUBYOPT="${{ matrix.rubyopt }}"
         timeout-minutes: 10
         if: ${{ matrix.rails != 'edge' && matrix.ruby != 'head' }} # Acceptance tests use `gem install rails && rails new`
diff --git a/lib/spring/json.rb b/lib/spring/json.rb
@@ -364,7 +364,7 @@ def unquote(q)
             end
           end
           if rubydoesenc?
-            a[w] = '' << uchar
+            a[w] = +'' << uchar
             w += 1
           else
             w += ucharenc(a, w, uchar)