Update to ruby/spec@6cf8ebe

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67030 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

33 files changed, 38 insertions, 42 deletions

diff --git a/spec/ruby/library/bigdecimal/divmod_spec.rb b/spec/ruby/library/bigdecimal/divmod_spec.rb
index 3a18b150dd..3946d6f208 100644
--- a/spec/ruby/library/bigdecimal/divmod_spec.rb
+++ b/spec/ruby/library/bigdecimal/divmod_spec.rb
@@ -163,7 +163,7 @@ describe "BigDecimal#divmod" do
     end
   end
 
-  it "returns an array of two zero if the diviend is zero" do
+  it "returns an array of two zero if the dividend is zero" do
     @zeroes.each do |zero|
       @regular_vals.each do |val|
         zero.divmod(val).should == [@zero, @zero]
diff --git a/spec/ruby/library/bigdecimal/sqrt_spec.rb b/spec/ruby/library/bigdecimal/sqrt_spec.rb
index 06a8348203..75182fcbc8 100644
--- a/spec/ruby/library/bigdecimal/sqrt_spec.rb
+++ b/spec/ruby/library/bigdecimal/sqrt_spec.rb
@@ -87,7 +87,7 @@ describe "BigDecimal#sqrt" do
     }.should raise_error(FloatDomainError)
   end
 
-  it "returns positive infitinity for infinity" do
+  it "returns positive infinity for infinity" do
     @infinity.sqrt(1).should == @infinity
   end
 
diff --git a/spec/ruby/library/cgi/rfc1123_date_spec.rb b/spec/ruby/library/cgi/rfc1123_date_spec.rb
index d94c026d9f..6904eeabaa 100644
--- a/spec/ruby/library/cgi/rfc1123_date_spec.rb
+++ b/spec/ruby/library/cgi/rfc1123_date_spec.rb
@@ -1,7 +1,7 @@
 require_relative '../../spec_helper'
 require 'cgi'
 
-describe "CGI.rfc1123_date when passsed Time" do
+describe "CGI.rfc1123_date when passed Time" do
   it "returns the passed Time formatted in RFC1123 ('Sat, 01 Dec 2007 15:56:42 GMT')" do
     input = Time.at(1196524602)
     expected = 'Sat, 01 Dec 2007 15:56:42 GMT'
diff --git a/spec/ruby/library/datetime/to_date_spec.rb b/spec/ruby/library/datetime/to_date_spec.rb
index a1b93305b8..48c05e7fed 100644
--- a/spec/ruby/library/datetime/to_date_spec.rb
+++ b/spec/ruby/library/datetime/to_date_spec.rb
@@ -30,7 +30,7 @@ describe "DateTime#to_date" do
   it "maintains the same julian day regardless of local time or zone" do
     dt = DateTime.new(2012, 12, 24, 12, 23, 00, '+05:00')
 
-    with_timezone("Pactific/Pago_Pago", -11) do
+    with_timezone("Pacific/Pago_Pago", -11) do
       dt.to_date.jd.should == dt.jd
     end
   end
diff --git a/spec/ruby/library/datetime/to_s_spec.rb b/spec/ruby/library/datetime/to_s_spec.rb
index c6b5bd90be..175fb807f4 100644
--- a/spec/ruby/library/datetime/to_s_spec.rb
+++ b/spec/ruby/library/datetime/to_s_spec.rb
@@ -10,7 +10,7 @@ describe "DateTime#to_s" do
   it "maintains timezone regardless of local time" do
     dt = DateTime.new(2012, 12, 24, 1, 2, 3, "+03:00")
 
-    with_timezone("Pactific/Pago_Pago", -11) do
+    with_timezone("Pacific/Pago_Pago", -11) do
       dt.to_s.should == "2012-12-24T01:02:03+03:00"
     end
   end
diff --git a/spec/ruby/library/datetime/to_time_spec.rb b/spec/ruby/library/datetime/to_time_spec.rb
index 1844cbd7eb..3bda369ca7 100644
--- a/spec/ruby/library/datetime/to_time_spec.rb
+++ b/spec/ruby/library/datetime/to_time_spec.rb
@@ -22,7 +22,7 @@ describe "DateTime#to_time" do
     it "preserves the same time regardless of local time or zone" do
       date = DateTime.new(2012, 12, 24, 12, 23, 00, '+03:00')
 
-      with_timezone("Pactific/Pago_Pago", -11) do
+      with_timezone("Pacific/Pago_Pago", -11) do
         time = date.to_time
 
         time.utc_offset.should == 3 * 3600
diff --git a/spec/ruby/library/delegate/delegator/frozen_spec.rb b/spec/ruby/library/delegate/delegator/frozen_spec.rb
index ca83c5f77c..bc91259b08 100644
--- a/spec/ruby/library/delegate/delegator/frozen_spec.rb
+++ b/spec/ruby/library/delegate/delegator/frozen_spec.rb
@@ -17,7 +17,7 @@ describe "Delegator when frozen" do
     @delegate.frozen?.should be_true
   end
 
-  it "is not writeable" do
+  it "is not writable" do
     lambda{ @delegate[0] += 2 }.should raise_error( RuntimeError )
   end
 
diff --git a/spec/ruby/library/getoptlong/terminate_spec.rb b/spec/ruby/library/getoptlong/terminate_spec.rb
index 287945fe9b..a12d1df2ef 100644
--- a/spec/ruby/library/getoptlong/terminate_spec.rb
+++ b/spec/ruby/library/getoptlong/terminate_spec.rb
@@ -19,7 +19,7 @@ describe "GetoptLong#terminate" do
     end
   end
 
-  it "returns self when option processsing is terminated" do
+  it "returns self when option processing is terminated" do
     @opts.terminate.should == @opts
   end
 
diff --git a/spec/ruby/library/logger/logger/new_spec.rb b/spec/ruby/library/logger/logger/new_spec.rb
index cf965ac03b..3a83968eb1 100644
--- a/spec/ruby/library/logger/logger/new_spec.rb
+++ b/spec/ruby/library/logger/logger/new_spec.rb
@@ -37,7 +37,7 @@ describe "Logger#new" do
     lambda { Logger.new(@log_file, 1).close }.should_not raise_error
   end
 
-  it "receivs a maximum logfile size as third argument" do
+  it "receives a maximum logfile size as third argument" do
     # This should create 2 small log files, logfile_test and logfile_test.0
     # in /tmp, each one with a different message.
     path = tmp("logfile_test.log")
diff --git a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb
index 8d47bed5e6..7552b7616c 100644
--- a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb
+++ b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvalues_spec.rb
@@ -8,7 +8,7 @@ describe "Matrix::EigenvalueDecomposition#eigenvalues" do
     [ Complex(1, -1), Complex(1, 1)]
   end
 
-  it "returns an array of real eigenvalues for a symetric matrix" do
+  it "returns an array of real eigenvalues for a symmetric matrix" do
     Matrix[[1, 2],
            [2, 1]].eigensystem.eigenvalues.sort.map!{|x| x.round(10)}.should ==
     [ -1, 3 ]
diff --git a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvector_matrix_spec.rb b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvector_matrix_spec.rb
index 38217ca373..09f229ee15 100644
--- a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvector_matrix_spec.rb
+++ b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvector_matrix_spec.rb
@@ -10,7 +10,7 @@ describe "Matrix::EigenvalueDecomposition#eigenvector_matrix" do
            [Complex(0, 1), Complex(0, -1)]]
   end
 
-  it "returns an real eigenvector matrix for a symetric matrix" do
+  it "returns an real eigenvector matrix for a symmetric matrix" do
     # Fix me: should test for linearity, not for equality
     Matrix[[1, 2],
            [2, 1]].eigensystem.eigenvector_matrix.should ==
diff --git a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvectors_spec.rb b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvectors_spec.rb
index 968d02e27c..2b6ce74ea8 100644
--- a/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvectors_spec.rb
+++ b/spec/ruby/library/matrix/eigenvalue_decomposition/eigenvectors_spec.rb
@@ -11,7 +11,7 @@ describe "Matrix::EigenvalueDecomposition#eigenvectors" do
     ]
   end
 
-  it "returns an array of real eigenvectors for a symetric matrix" do
+  it "returns an array of real eigenvectors for a symmetric matrix" do
     # Fix me: should test for linearity, not for equality
     Matrix[[1, 2],
            [2, 1]].eigensystem.eigenvectors.should ==
diff --git a/spec/ruby/library/net/ftp/quit_spec.rb b/spec/ruby/library/net/ftp/quit_spec.rb
index fdc3a2f795..8e3cb28b90 100644
--- a/spec/ruby/library/net/ftp/quit_spec.rb
+++ b/spec/ruby/library/net/ftp/quit_spec.rb
@@ -22,7 +22,7 @@ describe "Net::FTP#quit" do
     @ftp.last_response.should == "221 OK, bye\n"
   end
 
-  it "does not close the socket automagically" do
+  it "does not close the socket automatically" do
     @ftp.quit
     @ftp.closed?.should be_false
   end
diff --git a/spec/ruby/library/net/http/http/proxy_class_spec.rb b/spec/ruby/library/net/http/http/proxy_class_spec.rb
index 2aab804ed3..2d32a39f01 100644
--- a/spec/ruby/library/net/http/http/proxy_class_spec.rb
+++ b/spec/ruby/library/net/http/http/proxy_class_spec.rb
@@ -2,7 +2,7 @@ require_relative '../../../../spec_helper'
 require 'net/http'
 
 describe "Net::HTTP.proxy_class?" do
-  it "returns true if sels is a class created with Net::HTTP.Proxy" do
+  it "returns true if self is a class created with Net::HTTP.Proxy" do
     Net::HTTP.proxy_class?.should be_false
     Net::HTTP.Proxy("localhost").proxy_class?.should be_true
   end
diff --git a/spec/ruby/library/net/http/httpresponse/read_body_spec.rb b/spec/ruby/library/net/http/httpresponse/read_body_spec.rb
index 500155eb5b..a050eca594 100644
--- a/spec/ruby/library/net/http/httpresponse/read_body_spec.rb
+++ b/spec/ruby/library/net/http/httpresponse/read_body_spec.rb
@@ -76,7 +76,7 @@ describe "Net::HTTPResponse#read_body" do
   end
 
   describe "when passed buffer and block" do
-    it "rauses an ArgumentError" do
+    it "raises an ArgumentError" do
       @res.reading_body(@socket, true) do
         lambda { @res.read_body("") {} }.should raise_error(ArgumentError)
       end
diff --git a/spec/ruby/library/openstruct/frozen_spec.rb b/spec/ruby/library/openstruct/frozen_spec.rb
index 27931fe5ac..142adcb278 100644
--- a/spec/ruby/library/openstruct/frozen_spec.rb
+++ b/spec/ruby/library/openstruct/frozen_spec.rb
@@ -14,7 +14,7 @@ describe "OpenStruct.new when frozen" do
     @os.name.should == "John Smith"
   end
 
-  it "is not writeable" do
+  it "is not writable" do
     lambda{ @os.age = 42 }.should raise_error( RuntimeError )
   end
 
diff --git a/spec/ruby/library/rexml/attribute/initialize_spec.rb b/spec/ruby/library/rexml/attribute/initialize_spec.rb
index 3452b6c864..9f5e30c517 100644
--- a/spec/ruby/library/rexml/attribute/initialize_spec.rb
+++ b/spec/ruby/library/rexml/attribute/initialize_spec.rb
@@ -19,7 +19,7 @@ describe "REXML::Attribute#initialize" do
     copy.should == @name
   end
 
-  it "recives a parent node" do
+  it "receives a parent node" do
     last_name = REXML::Attribute.new("last_name", "McBrain", @e)
     last_name.element.should == @e
 
diff --git a/spec/ruby/library/securerandom/hex_spec.rb b/spec/ruby/library/securerandom/hex_spec.rb
index 1e647edebc..525b4d1e35 100644
--- a/spec/ruby/library/securerandom/hex_spec.rb
+++ b/spec/ruby/library/securerandom/hex_spec.rb
@@ -3,7 +3,7 @@ require_relative '../../spec_helper'
 require 'securerandom'
 
 describe "SecureRandom.hex" do
-  it "generates a random hex string of length twice the specified argement" do
+  it "generates a random hex string of length twice the specified argument" do
     (1..64).each do |idx|
       hex = SecureRandom.hex(idx)
       hex.should be_kind_of(String)
diff --git a/spec/ruby/library/set/enumerable/to_set_spec.rb b/spec/ruby/library/set/enumerable/to_set_spec.rb
index 6d81710a2f..0f5504fef2 100644
--- a/spec/ruby/library/set/enumerable/to_set_spec.rb
+++ b/spec/ruby/library/set/enumerable/to_set_spec.rb
@@ -1,7 +1,7 @@
 require_relative '../../../spec_helper'
 require 'set'
 
-describe "Emumerable#to_set" do
+describe "Enumerable#to_set" do
   it "returns a new Set created from self" do
     [1, 2, 3].to_set.should == Set[1, 2, 3]
     {a: 1, b: 2}.to_set.should == Set[[:b, 2], [:a, 1]]
diff --git a/spec/ruby/library/set/exclusion_spec.rb b/spec/ruby/library/set/exclusion_spec.rb
index 407aa70032..c9fa0e287e 100644
--- a/spec/ruby/library/set/exclusion_spec.rb
+++ b/spec/ruby/library/set/exclusion_spec.rb
@@ -6,7 +6,7 @@ describe "Set#^" do
     @set = Set[1, 2, 3, 4]
   end
 
-  it "returns a new Set containing elements that are not in both self and the passed Enumberable" do
+  it "returns a new Set containing elements that are not in both self and the passed Enumerable" do
     (@set ^ Set[3, 4, 5]).should == Set[1, 2, 5]
     (@set ^ [3, 4, 5]).should == Set[1, 2, 5]
   end
diff --git a/spec/ruby/library/set/sortedset/exclusion_spec.rb b/spec/ruby/library/set/sortedset/exclusion_spec.rb
index 59f7615e83..59f9f1dfd8 100644
--- a/spec/ruby/library/set/sortedset/exclusion_spec.rb
+++ b/spec/ruby/library/set/sortedset/exclusion_spec.rb
@@ -6,7 +6,7 @@ describe "SortedSet#^" do
     @set = SortedSet[1, 2, 3, 4]
   end
 
-  it "returns a new SortedSet containing elements that are not in both self and the passed Enumberable" do
+  it "returns a new SortedSet containing elements that are not in both self and the passed Enumerable" do
     (@set ^ SortedSet[3, 4, 5]).should == SortedSet[1, 2, 5]
     (@set ^ [3, 4, 5]).should == SortedSet[1, 2, 5]
   end
diff --git a/spec/ruby/library/socket/addrinfo/ipv4_multicast_spec.rb b/spec/ruby/library/socket/addrinfo/ipv4_multicast_spec.rb
index 81a68d3d13..bdd14c1b00 100644
--- a/spec/ruby/library/socket/addrinfo/ipv4_multicast_spec.rb
+++ b/spec/ruby/library/socket/addrinfo/ipv4_multicast_spec.rb
@@ -7,7 +7,7 @@ describe "Addrinfo#ipv4_multicast?" do
     Addrinfo.ip('239.255.255.250').ipv4_multicast?.should == true
   end
 
-  it 'returns false for a regular addrss' do
+  it 'returns false for a regular address' do
     Addrinfo.ip('8.8.8.8').ipv4_multicast?.should == false
   end
 
diff --git a/spec/ruby/library/socket/ancillarydata/cmsg_is_spec.rb b/spec/ruby/library/socket/ancillarydata/cmsg_is_spec.rb
index bf93cd977e..50763e28b1 100644
--- a/spec/ruby/library/socket/ancillarydata/cmsg_is_spec.rb
+++ b/spec/ruby/library/socket/ancillarydata/cmsg_is_spec.rb
@@ -25,7 +25,7 @@ with_feature :ancillary_data do
         @data.cmsg_is?(:SOCKET, :RIGHTS).should == false
       end
 
-      it 'raises SocketError when comparign with :IPV6 and :RIGHTS' do
+      it 'raises SocketError when comparing with :IPV6 and :RIGHTS' do
         lambda { @data.cmsg_is?(:IPV6, :RIGHTS) }.should raise_error(SocketError)
       end
     end
diff --git a/spec/ruby/library/socket/basicsocket/getsockname_spec.rb b/spec/ruby/library/socket/basicsocket/getsockname_spec.rb
index a2c5980a9e..b33db088b6 100644
--- a/spec/ruby/library/socket/basicsocket/getsockname_spec.rb
+++ b/spec/ruby/library/socket/basicsocket/getsockname_spec.rb
@@ -7,7 +7,7 @@ describe "Socket::BasicSocket#getsockname" do
     @socket.close
   end
 
-  it "returns the sockaddr associacted with the socket" do
+  it "returns the sockaddr associated with the socket" do
     @socket = TCPServer.new("127.0.0.1", 0)
     sockaddr = Socket.unpack_sockaddr_in(@socket.getsockname)
     sockaddr.should == [@socket.addr[1], "127.0.0.1"]
diff --git a/spec/ruby/library/socket/ipsocket/getaddress_spec.rb b/spec/ruby/library/socket/ipsocket/getaddress_spec.rb
index 2ee35af5b5..8e14707d4f 100644
--- a/spec/ruby/library/socket/ipsocket/getaddress_spec.rb
+++ b/spec/ruby/library/socket/ipsocket/getaddress_spec.rb
@@ -17,11 +17,9 @@ describe "Socket::IPSocket#getaddress" do
   # There is no way to make this fail-proof on all machines, because
   # DNS servers like opendns return A records for ANY host, including
   # traditionally invalidly named ones.
-  quarantine! do
-    it "raises an error on unknown hostnames" do
-      lambda {
-        IPSocket.getaddress("rubyspecdoesntexist.fallingsnow.net")
-      }.should raise_error(SocketError)
-    end
+  it "raises an error on unknown hostnames" do
+    lambda {
+      IPSocket.getaddress("rubyspecdoesntexist.fallingsnow.net")
+    }.should raise_error(SocketError)
   end
 end
diff --git a/spec/ruby/library/socket/unixsocket/peeraddr_spec.rb b/spec/ruby/library/socket/unixsocket/peeraddr_spec.rb
index ec57b40970..e39c8a0570 100644
--- a/spec/ruby/library/socket/unixsocket/peeraddr_spec.rb
+++ b/spec/ruby/library/socket/unixsocket/peeraddr_spec.rb
@@ -16,7 +16,7 @@ describe "UNIXSocket#peeraddr" do
       SocketSpecs.rm_socket @path
     end
 
-    it "returns the address familly and path of the server end of the connection" do
+    it "returns the address family and path of the server end of the connection" do
       @client.peeraddr.should == ["AF_UNIX", @path]
     end
 
diff --git a/spec/ruby/library/syslog/log_spec.rb b/spec/ruby/library/syslog/log_spec.rb
index f92f69ea92..727fffbadf 100644
--- a/spec/ruby/library/syslog/log_spec.rb
+++ b/spec/ruby/library/syslog/log_spec.rb
@@ -23,7 +23,7 @@ platform_is_not :windows do
         }.should output_to_fd("rubyspec: Hello\nrubyspec: World\n", $stderr)
       end
 
-      it "accepts undefined priorites" do
+      it "accepts undefined priorities" do
         lambda {
           Syslog.open("rubyspec", Syslog::LOG_PERROR) do |s|
             s.log(1337, "Hello")
diff --git a/spec/ruby/library/tempfile/initialize_spec.rb b/spec/ruby/library/tempfile/initialize_spec.rb
index a3614971a1..ad3c2f6437 100644
--- a/spec/ruby/library/tempfile/initialize_spec.rb
+++ b/spec/ruby/library/tempfile/initialize_spec.rb
@@ -28,7 +28,7 @@ describe "Tempfile#initialize" do
   end
 
   platform_is_not :windows do
-    it "sets the permisssions on the tempfile to 0600" do
+    it "sets the permissions on the tempfile to 0600" do
       @tempfile.send(:initialize, "basename", tmp(""))
       File.stat(@tempfile.path).mode.should == 0100600
     end
diff --git a/spec/ruby/library/tmpdir/dir/mktmpdir_spec.rb b/spec/ruby/library/tmpdir/dir/mktmpdir_spec.rb
index 6f56f60425..a619f386a6 100644
--- a/spec/ruby/library/tmpdir/dir/mktmpdir_spec.rb
+++ b/spec/ruby/library/tmpdir/dir/mktmpdir_spec.rb
@@ -99,7 +99,7 @@ describe "Dir.mktmpdir when passed [Array]" do
     Dir.rmdir @tmpdir if File.directory? @tmpdir
   end
 
-  it "uses the first element of the passed Array as a prefix and the scond element as a suffix to the tmp-directory" do
+  it "uses the first element of the passed Array as a prefix and the second element as a suffix to the tmp-directory" do
     prefix = "before"
     suffix = "after"
 
diff --git a/spec/ruby/library/uri/plus_spec.rb b/spec/ruby/library/uri/plus_spec.rb
index 146cfddf90..4aede12216 100644
--- a/spec/ruby/library/uri/plus_spec.rb
+++ b/spec/ruby/library/uri/plus_spec.rb
@@ -31,7 +31,7 @@ describe "URI#+" do
     (URI.parse('http://a/b/c/../../../') + ".").should == URI("http://a/")
   end
 
-  it "doesn't conconicalize the path when adding to the empty string" do
+  it "doesn't canonicalize the path when adding to the empty string" do
     (URI.parse('http://a/b/c/../') + "").should == URI("http://a/b/c/../")
   end
 
diff --git a/spec/ruby/library/weakref/weakref_alive_spec.rb b/spec/ruby/library/weakref/weakref_alive_spec.rb
index 5bd7c3166b..173ea01485 100644
--- a/spec/ruby/library/weakref/weakref_alive_spec.rb
+++ b/spec/ruby/library/weakref/weakref_alive_spec.rb
@@ -8,7 +8,7 @@ describe "WeakRef#weakref_alive?" do
     ref.weakref_alive?.should == true
   end
 
-  it "returns a falsey value if the object is no longer reachable" do
+  it "returns a falsy value if the object is no longer reachable" do
     ref = WeakRefSpec.make_dead_weakref
     [false, nil].should include(ref.weakref_alive?)
   end
diff --git a/spec/ruby/library/yaml/parse_file_spec.rb b/spec/ruby/library/yaml/parse_file_spec.rb
index 8d307c5daf..8c59a2d7ef 100644
--- a/spec/ruby/library/yaml/parse_file_spec.rb
+++ b/spec/ruby/library/yaml/parse_file_spec.rb
@@ -2,9 +2,7 @@ require_relative '../../spec_helper'
 require_relative 'fixtures/common'
 
 describe "YAML#parse_file" do
-  quarantine! do
-    it "returns a YAML::Syck::Map object after parsing a YAML file" do
-      YAML.parse_file($test_parse_file).should be_kind_of(YAML::Syck::Map)
-    end
+  it "returns a YAML::Syck::Map object after parsing a YAML file" do
+    YAML.parse_file($test_parse_file).should be_kind_of(Psych::Nodes::Document)
   end
 end
diff --git a/spec/ruby/library/zlib/gzipreader/read_spec.rb b/spec/ruby/library/zlib/gzipreader/read_spec.rb
index a90b2bf498..67672eb0b8 100644
--- a/spec/ruby/library/zlib/gzipreader/read_spec.rb
+++ b/spec/ruby/library/zlib/gzipreader/read_spec.rb
@@ -49,7 +49,7 @@ describe "GzipReader#read" do
   end
 
   describe "at the end of data" do
-    it "returns empty string if length prameter is not specified or 0" do
+    it "returns empty string if length parameter is not specified or 0" do
       gz = Zlib::GzipReader.new @io
       gz.read # read till the end
       gz.read(0).should == ""
@@ -57,7 +57,7 @@ describe "GzipReader#read" do
       gz.read(nil).should == ""
     end
 
-    it "returns nil if length prameter is positive" do
+    it "returns nil if length parameter is positive" do
       gz = Zlib::GzipReader.new @io
       gz.read # read till the end
       gz.read(1).should be_nil