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-rw-r--r--spec/rubyspec/library/zlib/gzipreader/getc_spec.rb41
1 files changed, 41 insertions, 0 deletions
diff --git a/spec/rubyspec/library/zlib/gzipreader/getc_spec.rb b/spec/rubyspec/library/zlib/gzipreader/getc_spec.rb
new file mode 100644
index 0000000000..a3c4aecf76
--- /dev/null
+++ b/spec/rubyspec/library/zlib/gzipreader/getc_spec.rb
@@ -0,0 +1,41 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require 'stringio'
+require 'zlib'
+
+describe "GzipReader#getc" do
+
+ before :each do
+ @data = '12345abcde'
+ @zip = [31, 139, 8, 0, 44, 220, 209, 71, 0, 3, 51, 52, 50, 54, 49, 77,
+ 76, 74, 78, 73, 5, 0, 157, 5, 0, 36, 10, 0, 0, 0].pack('C*')
+ @io = StringIO.new @zip
+ end
+
+ it "returns the next character from the stream" do
+ gz = Zlib::GzipReader.new @io
+ gz.pos.should == 0
+
+ gz.getc.should == '1'
+ gz.getc.should == '2'
+ gz.getc.should == '3'
+ gz.getc.should == '4'
+ gz.getc.should == '5'
+ end
+
+ it "increments position" do
+ gz = Zlib::GzipReader.new @io
+ (0..@data.size).each do |i|
+ gz.pos.should == i
+ gz.getc
+ end
+ end
+
+ it "returns nil at the end of the stream" do
+ gz = Zlib::GzipReader.new @io
+ gz.read
+ pos = gz.pos
+ gz.getc.should be_nil
+ gz.pos.should == pos
+ end
+
+end