diff options
Diffstat (limited to 'spec/ruby/core/io/sysread_spec.rb')
-rw-r--r-- | spec/ruby/core/io/sysread_spec.rb | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/spec/ruby/core/io/sysread_spec.rb b/spec/ruby/core/io/sysread_spec.rb index e7f63cefec..8851214283 100644 --- a/spec/ruby/core/io/sysread_spec.rb +++ b/spec/ruby/core/io/sysread_spec.rb @@ -21,25 +21,25 @@ describe "IO#sysread on a file" do end it "reads the specified number of bytes from the file to the buffer" do - buf = "" # empty buffer + buf = +"" # empty buffer @file.sysread(15, buf).should == buf buf.should == "012345678901234" @file.rewind - buf = "ABCDE" # small buffer + buf = +"ABCDE" # small buffer @file.sysread(15, buf).should == buf buf.should == "012345678901234" @file.rewind - buf = "ABCDE" * 5 # large buffer + buf = +"ABCDE" * 5 # large buffer @file.sysread(15, buf).should == buf buf.should == "012345678901234" end it "coerces the second argument to string and uses it as a buffer" do - buf = "ABCDE" + buf = +"ABCDE" (obj = mock("buff")).should_receive(:to_str).any_number_of_times.and_return(buf) @file.sysread(15, obj).should == buf buf.should == "012345678901234" @@ -90,23 +90,30 @@ describe "IO#sysread on a file" do end it "immediately returns the given buffer if the length argument is 0" do - buffer = "existing content" + buffer = +"existing content" @file.sysread(0, buffer).should == buffer buffer.should == "existing content" end it "discards the existing buffer content upon successful read" do - buffer = "existing content" - @file.sysread(11, buffer) + buffer = +"existing content" + @file.sysread(11, buffer).should.equal?(buffer) buffer.should == "01234567890" end it "discards the existing buffer content upon error" do - buffer = "existing content" + buffer = +"existing content" @file.seek(0, :END) -> { @file.sysread(1, buffer) }.should raise_error(EOFError) buffer.should be_empty end + + it "preserves the encoding of the given buffer" do + buffer = ''.encode(Encoding::ISO_8859_1) + string = @file.sysread(10, buffer) + + buffer.encoding.should == Encoding::ISO_8859_1 + end end describe "IO#sysread" do |