This commit was manufactured by cvs2svn to create branch 'ruby_1_8'.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@6866 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 58 insertions, 0 deletions

diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb
new file mode 100644
index 000000000..5a646cf8d
--- /dev/null
+++ b/test/zlib/test_zlib.rb
@@ -0,0 +1,58 @@
+require 'test/unit/testsuite'
+require 'test/unit/testcase'
+require 'stringio'
+
+begin
+  require 'zlib'
+rescue LoadError
+end
+
+if defined? Zlib
+  class TestZlibGzipReader < Test::Unit::TestCase
+    D0 = "\037\213\010\000S`\017A\000\003\003\000\000\000\000\000\000\000\000\000"
+    def test_read0
+      assert_equal("", Zlib::GzipReader.new(StringIO.new(D0)).read(0))
+    end
+
+    def test_ungetc # [ruby-dev:24060]
+      s = ""
+      w = Zlib::GzipWriter.new(StringIO.new(s))
+      w << (1...1000).to_a.inspect
+      w.close
+      r = Zlib::GzipReader.new(StringIO.new(s))
+      r.read(100)
+      r.ungetc ?a
+      assert_nothing_raised {
+        r.read(100)
+        r.read
+        r.close
+      }
+    end
+
+    def test_ungetc_paragraph # [ruby-dev:24065]
+      s = ""
+      w = Zlib::GzipWriter.new(StringIO.new(s))
+      w << "abc"
+      w.close
+      r = Zlib::GzipReader.new(StringIO.new(s))
+      $/ = ""
+      r.ungetc ?\n
+      assert_equal("abc", r.gets)
+      assert_nothing_raised {
+        r.read
+        r.close
+      }
+    end
+  end
+
+  class TestZlibGzipWriter < Test::Unit::TestCase
+    def test_invalid_new
+      # [ruby-dev:23228]
+      assert_raise(NoMethodError) { Zlib::GzipWriter.new(nil).close }
+      # [ruby-dev:23344]
+      assert_raise(NoMethodError) { Zlib::GzipWriter.new(true).close }
+      assert_raise(NoMethodError) { Zlib::GzipWriter.new(0).close }
+      assert_raise(NoMethodError) { Zlib::GzipWriter.new(:hoge).close }
+    end
+  end
+end