Merge pull request ruby#62 from eregon/truffleruby-ci

Add truffleruby-head in CI

Author: hsbt

.github/workflows/test.yml

@@ -7,6 +7,7 @@ jobs:
     uses: ruby/actions/.github/workflows/ruby_versions.yml@master
     with:
       engine: cruby
+      versions: '["truffleruby-head"]'
       min_version: 2.7
 
   build:
@@ -24,6 +25,8 @@ jobs:
         exclude:
           - ruby: head
             os: windows-latest
+          - ruby: truffleruby-head
+            os: windows-latest
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4

test/zlib/test_zlib.rb

@@ -506,6 +506,7 @@ def test_set_dictionary
     end
 
     def test_multithread_deflate
+      pend 'hangs' if RUBY_ENGINE == 'truffleruby'
       zd = Zlib::Deflate.new
 
       s = "x" * 10000
@@ -522,6 +523,7 @@ def test_multithread_deflate
     end
 
     def test_multithread_inflate
+      pend 'hangs' if RUBY_ENGINE == 'truffleruby'
       zi = Zlib::Inflate.new
 
       s = Zlib.deflate("x" * 10000)
@@ -792,7 +794,7 @@ def test_path
       }
     end
 
-    if defined? File::TMPFILE
+    if defined?(File::TMPFILE) and RUBY_ENGINE != 'truffleruby'
       def test_path_tmpfile
         sio = StringIO.new("".dup, 'w')
         gz = Zlib::GzipWriter.new(sio)