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author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
commit | 1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch) | |
tree | a3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/core/io/ungetbyte_spec.rb | |
parent | 75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff) | |
download | ruby-1d15d5f08032acf1b7bceacbb450d617ff6e0931.tar.gz |
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory.
[Misc #13792] [ruby-core:82287]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/core/io/ungetbyte_spec.rb')
-rw-r--r-- | spec/ruby/core/io/ungetbyte_spec.rb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/spec/ruby/core/io/ungetbyte_spec.rb b/spec/ruby/core/io/ungetbyte_spec.rb new file mode 100644 index 0000000000..ee334b469b --- /dev/null +++ b/spec/ruby/core/io/ungetbyte_spec.rb @@ -0,0 +1,48 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "IO#ungetbyte" do + before :each do + @name = tmp("io_ungetbyte") + touch(@name) { |f| f.write "a" } + @io = new_io @name, "r" + end + + after :each do + @io.close unless @io.closed? + rm_r @name + end + + it "does nothing when passed nil" do + @io.ungetbyte(nil).should be_nil + @io.getbyte.should == 97 + end + + it "puts back each byte in a String argument" do + @io.ungetbyte("cat").should be_nil + @io.getbyte.should == 99 + @io.getbyte.should == 97 + @io.getbyte.should == 116 + @io.getbyte.should == 97 + end + + it "calls #to_str to convert the argument" do + str = mock("io ungetbyte") + str.should_receive(:to_str).and_return("dog") + + @io.ungetbyte(str).should be_nil + @io.getbyte.should == 100 + @io.getbyte.should == 111 + @io.getbyte.should == 103 + @io.getbyte.should == 97 + end + + it "puts back one byte for an Integer argument" do + @io.ungetbyte(4095).should be_nil + @io.getbyte.should == 255 + end + + it "raises an IOError if the IO is closed" do + @io.close + lambda { @io.ungetbyte(42) }.should raise_error(IOError) + end +end |