diff options
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/library/stringio/readline_spec.rb | |
parent | 75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff) |
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/library/stringio/readline_spec.rb')
-rw-r--r-- | spec/ruby/library/stringio/readline_spec.rb | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/readline_spec.rb b/spec/ruby/library/stringio/readline_spec.rb new file mode 100644 index 0000000000..90890e3ad1 --- /dev/null +++ b/spec/ruby/library/stringio/readline_spec.rb @@ -0,0 +1,122 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + + +describe "StringIO#readline when passed [separator]" do + before :each do + @io = StringIO.new("this>is>an>example") + end + + it "returns the data read till the next occurence of the passed separator" do + @io.readline(">").should == "this>" + @io.readline(">").should == "is>" + @io.readline(">").should == "an>" + @io.readline(">").should == "example" + end + + it "sets $_ to the read content" do + @io.readline(">") + $_.should == "this>" + @io.readline(">") + $_.should == "is>" + @io.readline(">") + $_.should == "an>" + @io.readline(">") + $_.should == "example" + end + + it "updates self's lineno by one" do + @io.readline(">") + @io.lineno.should eql(1) + + @io.readline(">") + @io.lineno.should eql(2) + + @io.readline(">") + @io.lineno.should eql(3) + end + + it "returns the next paragraph when the passed separator is an empty String" do + io = StringIO.new("this is\n\nan example") + io.readline("").should == "this is\n\n" + io.readline("").should == "an example" + end + + it "returns the remaining content starting at the current position when passed nil" do + io = StringIO.new("this is\n\nan example") + io.pos = 5 + io.readline(nil).should == "is\n\nan example" + end + + it "tries to convert the passed separator to a String using #to_str" do + obj = mock('to_str') + obj.should_receive(:to_str).and_return(">") + @io.readline(obj).should == "this>" + end +end + +describe "StringIO#readline when passed no argument" do + before :each do + @io = StringIO.new("this is\nan example\nfor StringIO#readline") + end + + it "returns the data read till the next occurence of $/ or till eof" do + @io.readline.should == "this is\n" + + begin + old_sep, $/ = $/, " " + @io.readline.should == "an " + @io.readline.should == "example\nfor " + @io.readline.should == "StringIO#readline" + ensure + $/ = old_sep + end + end + + it "sets $_ to the read content" do + @io.readline + $_.should == "this is\n" + @io.readline + $_.should == "an example\n" + @io.readline + $_.should == "for StringIO#readline" + end + + it "updates self's position" do + @io.readline + @io.pos.should eql(8) + + @io.readline + @io.pos.should eql(19) + + @io.readline + @io.pos.should eql(40) + end + + it "updates self's lineno" do + @io.readline + @io.lineno.should eql(1) + + @io.readline + @io.lineno.should eql(2) + + @io.readline + @io.lineno.should eql(3) + end + + it "raises an IOError if self is at the end" do + @io.pos = 40 + lambda { @io.readline }.should raise_error(IOError) + end +end + +describe "StringIO#readline when in write-only mode" do + it "raises an IOError" do + io = StringIO.new("xyz", "w") + lambda { io.readline }.should raise_error(IOError) + + io = StringIO.new("xyz") + io.close_read + lambda { io.readline }.should raise_error(IOError) + end +end |