* test/zlib/test_zlib.rb: backport tests for 1.9

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@26317 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 250 insertions, 8 deletions

diff --git a/test/zlib/test_zlib.rb b/test/zlib/test_zlib.rb
index 54706099d9..0b66151a58 100644
--- a/test/zlib/test_zlib.rb
+++ b/test/zlib/test_zlib.rb
@@ -1,6 +1,6 @@
-require 'test/unit/testsuite'
-require 'test/unit/testcase'
+require 'test/unit'
 require 'stringio'
+require 'tempfile'
 
 begin
   require 'zlib'
@@ -42,16 +42,258 @@ if defined? Zlib
         r.close
       }
     end
+
+    def test_open
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
+
+      assert_raise(ArgumentError) { Zlib::GzipReader.open }
+
+      assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_equal("foo", f.read)
+      f.close
+    end
+
+    def test_rewind
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_equal("foo", f.read)
+      f.rewind
+      assert_equal("foo", f.read)
+      f.close
+    end
+
+    def test_unused
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_equal("foo", f.read(3))
+      f.unused
+      assert_equal("bar", f.read)
+      f.unused
+      f.close
+    end
+
+    def test_read
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      str = "\u3042\u3044\u3046"
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print(str) }
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_raise(ArgumentError) { f.read(-1) }
+      assert_equal(str, f.read)
+    end
+
+    def test_readpartial
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
+
+      f = Zlib::GzipReader.open(t.path)
+      if f.respond_to?(:readpartial)
+        assert("foo".start_with?(f.readpartial(3)))
+
+        f = Zlib::GzipReader.open(t.path)
+        s = ""
+        f.readpartial(3, s)
+        assert("foo".start_with?(s))
+
+        assert_raise(ArgumentError) { f.readpartial(-1) }
+      end
+    end
+
+    def test_getc
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
+
+      f = Zlib::GzipReader.open(t.path)
+      # .chr should not be needed in the future.
+      # f.getc of 1.9 returns "f" instead of 102.
+      "foobar".each_char {|c| assert_equal(c, f.getc.chr) }
+      assert_nil(f.getc)
+    end
+
+    def test_getbyte
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
+
+      f = Zlib::GzipReader.open(t.path)
+      if f.respond_to?(:getbyte)
+        "foobar".each_byte {|c| assert_equal(c, f.getbyte) }
+        assert_nil(f.getbyte)
+      end
+    end
+
+    def test_readchar
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
+
+      f = Zlib::GzipReader.open(t.path)
+      "foobar".each_byte {|c| assert_equal(c, f.readchar.ord) }
+      assert_raise(EOFError) { f.readchar }
+    end
+
+    def test_each_byte
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foobar") }
+
+      f = Zlib::GzipReader.open(t.path)
+      a = []
+      f.each_byte {|c| a << c }
+      assert_equal("foobar".each_byte.to_a, a)
+    end
+
+    def test_gets
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\n") }
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_equal("foo\n", f.gets)
+      assert_equal("bar\n", f.gets)
+      assert_equal("baz\n", f.gets)
+      assert_nil(f.gets)
+      f.close
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_equal("foo\nbar\nbaz\n", f.gets(nil))
+      f.close
+    end
+
+    def test_gets
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\n") }
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_equal("foo\n", f.readline)
+      assert_equal("bar\n", f.readline)
+      assert_equal("baz\n", f.readline)
+      assert_raise(EOFError) { f.readline }
+      f.close
+    end
+
+    def test_each
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\n") }
+
+      f = Zlib::GzipReader.open(t.path)
+      a = ["foo\n", "bar\n", "baz\n"]
+      f.each {|l| assert_equal(a.shift, l) }
+      f.close
+    end
+
+    def test_readlines
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo\nbar\nbaz\n") }
+
+      f = Zlib::GzipReader.open(t.path)
+      assert_equal(["foo\n", "bar\n", "baz\n"], f.readlines)
+      f.close
+    end
+
+    def test_reader_wrap
+      t = Tempfile.new("test_zlib_gzip_reader")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
+      f = open(t.path)
+      assert_equal("foo", Zlib::GzipReader.wrap(f) {|gz| gz.read })
+      assert_raise(IOError) { f.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 }
+      assert_raise(NoMethodError, "[ruby-dev:23228]") { Zlib::GzipWriter.new(nil).close }
+      assert_raise(NoMethodError, "[ruby-dev:23344]") { Zlib::GzipWriter.new(true).close }
+      assert_raise(NoMethodError, "[ruby-dev:23344]") { Zlib::GzipWriter.new(0).close }
+      assert_raise(NoMethodError, "[ruby-dev:23344]") { Zlib::GzipWriter.new(:hoge).close }
+    end
+
+    def test_open
+      assert_raise(ArgumentError) { Zlib::GzipWriter.open }
+
+      t = Tempfile.new("test_zlib_gzip_writer")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
+      assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
+
+      f = Zlib::GzipWriter.open(t.path)
+      f.print("bar")
+      f.close
+      assert_equal("bar", Zlib::GzipReader.open(t.path) {|gz| gz.read })
+
+      assert_raise(Zlib::StreamError) { Zlib::GzipWriter.open(t.path, 10000) }
+    end
+
+    def test_write
+      t = Tempfile.new("test_zlib_gzip_writer")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print("foo") }
+      assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
+
+      o = Object.new
+      def o.to_s; "bar"; end
+      Zlib::GzipWriter.open(t.path) {|gz| gz.print(o) }
+      assert_equal("bar", Zlib::GzipReader.open(t.path) {|gz| gz.read })
+    end
+
+    def test_putc
+      t = Tempfile.new("test_zlib_gzip_writer")
+      t.close
+      Zlib::GzipWriter.open(t.path) {|gz| gz.putc(?x) }
+      assert_equal("x", Zlib::GzipReader.open(t.path) {|gz| gz.read })
+
+      # todo: multibyte char
+    end
+
+    def test_writer_wrap
+      t = Tempfile.new("test_zlib_gzip_writer")
+      Zlib::GzipWriter.wrap(t) {|gz| gz.print("foo") }
+      t.close
+      assert_equal("foo", Zlib::GzipReader.open(t.path) {|gz| gz.read })
+    end
+  end
+
+  class TestZlib < Test::Unit::TestCase
+    def test_version
+      assert_instance_of(String, Zlib.zlib_version)
+      assert(Zlib.zlib_version.tainted?)
+    end
+
+    def test_adler32
+      assert_equal(0x00000001, Zlib.adler32)
+      assert_equal(0x02820145, Zlib.adler32("foo"))
+      assert_equal(0x02820145, Zlib.adler32("o", Zlib.adler32("fo")))
+      assert_equal(0x8a62c964, Zlib.adler32("abc\x01\x02\x03" * 10000))
+    end
+
+    def test_crc32
+      assert_equal(0x00000000, Zlib.crc32)
+      assert_equal(0x8c736521, Zlib.crc32("foo"))
+      assert_equal(0x8c736521, Zlib.crc32("o", Zlib.crc32("fo")))
+      assert_equal(0x07f0d68f, Zlib.crc32("abc\x01\x02\x03" * 10000))
+    end
+
+    def test_crc_table
+      t = Zlib.crc_table
+      assert_instance_of(Array, t)
+      t.each {|x| assert_kind_of(Integer, x) }
     end
   end
 end