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authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commit1d15d5f08032acf1b7bceacbb450d617ff6e0931 (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/stringio/readline_spec.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (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.rb122
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
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+++ 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