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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/gets_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/gets_spec.rb')
-rw-r--r-- | spec/ruby/core/io/gets_spec.rb | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/spec/ruby/core/io/gets_spec.rb b/spec/ruby/core/io/gets_spec.rb new file mode 100644 index 0000000000..d984e795c2 --- /dev/null +++ b/spec/ruby/core/io/gets_spec.rb @@ -0,0 +1,313 @@ +# -*- encoding: utf-8 -*- +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../shared/gets_ascii', __FILE__) + +describe "IO#gets" do + it_behaves_like :io_gets_ascii, :gets +end + +describe "IO#gets" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + @count = 0 + end + + after :each do + @io.close if @io + end + + it "assigns the returned line to $_" do + IOSpecs.lines.each do |line| + @io.gets + $_.should == line + end + end + + it "returns nil if called at the end of the stream" do + IOSpecs.lines.length.times { @io.gets } + @io.gets.should == nil + end + + it "raises IOError on closed stream" do + lambda { IOSpecs.closed_io.gets }.should raise_error(IOError) + end + + describe "with no separator" do + it "returns the next line of string that is separated by $/" do + IOSpecs.lines.each { |line| line.should == @io.gets } + end + + it "returns tainted strings" do + while line = @io.gets + line.tainted?.should == true + end + end + + it "updates lineno with each invocation" do + while @io.gets + @io.lineno.should == @count += 1 + end + end + + it "updates $. with each invocation" do + while @io.gets + $..should == @count += 1 + end + end + end + + describe "with nil separator" do + it "returns the entire contents" do + @io.gets(nil).should == IOSpecs.lines.join("") + end + + it "returns tainted strings" do + while line = @io.gets(nil) + line.tainted?.should == true + end + end + + it "updates lineno with each invocation" do + while @io.gets(nil) + @io.lineno.should == @count += 1 + end + end + + it "updates $. with each invocation" do + while @io.gets(nil) + $..should == @count += 1 + end + end + end + + describe "with an empty String separator" do + # Two successive newlines in the input separate paragraphs. + # When there are more than two successive newlines, only two are kept. + it "returns the next paragraph" do + @io.gets("").should == IOSpecs.lines[0,3].join("") + @io.gets("").should == IOSpecs.lines[4,3].join("") + @io.gets("").should == IOSpecs.lines[7,2].join("") + end + + it "reads until the beginning of the next paragraph" do + # There are three newlines between the first and second paragraph + @io.gets("") + @io.gets.should == IOSpecs.lines[4] + end + + it "returns tainted strings" do + while line = @io.gets("") + line.tainted?.should == true + end + end + + it "updates lineno with each invocation" do + while @io.gets("") + @io.lineno.should == @count += 1 + end + end + + it "updates $. with each invocation" do + while @io.gets("") + $..should == @count += 1 + end + end + end + + describe "with an arbitrary String separator" do + it "reads up to and including the separator" do + @io.gets("la linea").should == "Voici la ligne une.\nQui \303\250 la linea" + end + + it "returns tainted strings" do + while line = @io.gets("la") + line.tainted?.should == true + end + end + + it "updates lineno with each invocation" do + while (@io.gets("la")) + @io.lineno.should == @count += 1 + end + end + + it "updates $. with each invocation" do + while @io.gets("la") + $..should == @count += 1 + end + end + end +end + +describe "IO#gets" do + before :each do + @name = tmp("io_gets") + end + + after :each do + rm_r @name + end + + it "raises an IOError if the stream is opened for append only" do + lambda { File.open(@name, fmode("a:utf-8")) { |f| f.gets } }.should raise_error(IOError) + end + + it "raises an IOError if the stream is opened for writing only" do + lambda { File.open(@name, fmode("w:utf-8")) { |f| f.gets } }.should raise_error(IOError) + end +end + +describe "IO#gets" do + before :each do + @name = tmp("io_gets") + touch(@name) { |f| f.write "one\n\ntwo\n\nthree\nfour\n" } + @io = new_io @name, fmode("r:utf-8") + end + + after :each do + @io.close if @io + rm_r @name + end + + it "calls #to_int to convert a single object argument to an Integer limit" do + obj = mock("io gets limit") + obj.should_receive(:to_int).and_return(6) + + @io.gets(obj).should == "one\n" + end + + it "calls #to_int to convert the second object argument to an Integer limit" do + obj = mock("io gets limit") + obj.should_receive(:to_int).and_return(2) + + @io.gets(nil, obj).should == "on" + end + + it "calls #to_str to convert the first argument to a String when passed a limit" do + obj = mock("io gets separator") + obj.should_receive(:to_str).and_return($/) + + @io.gets(obj, 5).should == "one\n" + end + + it "reads to the default seperator when passed a single argument greater than the number of bytes to the separator" do + @io.gets(6).should == "one\n" + end + + it "reads limit bytes when passed a single argument less than the number of bytes to the default separator" do + @io.gets(3).should == "one" + end + + it "reads limit bytes when passed nil and a limit" do + @io.gets(nil, 6).should == "one\n\nt" + end + + it "reads all bytes when the limit is higher than the available bytes" do + @io.gets(nil, 100).should == "one\n\ntwo\n\nthree\nfour\n" + end + + it "reads until the next paragraph when passed '' and a limit greater than the next paragraph" do + @io.gets("", 6).should == "one\n\n" + end + + it "reads limit bytes when passed '' and a limit less than the next paragraph" do + @io.gets("", 3).should == "one" + end + + it "reads all bytes when pass a separator and reading more than all bytes" do + @io.gets("\t", 100).should == "one\n\ntwo\n\nthree\nfour\n" + end +end + +describe "IO#gets" do + before :each do + @name = tmp("io_gets") + # create data "朝日" + "\xE3\x81" * 100 to avoid utf-8 conflicts + data = "朝日" + ([227,129].pack('C*') * 100).force_encoding('utf-8') + touch(@name) { |f| f.write data } + @io = new_io @name, fmode("r:utf-8") + end + + after :each do + @io.close if @io + rm_r @name + end + + it "reads limit bytes and extra bytes when limit is reached not at character boundary" do + [@io.gets(1), @io.gets(1)].should == ["朝", "日"] + end + + it "read limit bytes and extra bytes with maximum of 16" do + # create str "朝日\xE3" + "\x81\xE3" * 8 to avoid utf-8 conflicts + str = "朝日" + ([227] + [129,227] * 8).pack('C*').force_encoding('utf-8') + @io.gets(7).should == str + end +end + +describe "IO#gets" do + before :each do + @external = Encoding.default_external + @internal = Encoding.default_internal + + Encoding.default_external = Encoding::UTF_8 + Encoding.default_internal = nil + + @name = tmp("io_gets") + touch(@name) { |f| f.write "line" } + end + + after :each do + @io.close if @io + rm_r @name + Encoding.default_external = @external + Encoding.default_internal = @internal + end + + it "uses the default external encoding" do + @io = new_io @name, 'r' + @io.gets.encoding.should == Encoding::UTF_8 + end + + it "uses the IO object's external encoding, when set" do + @io = new_io @name, 'r' + @io.set_encoding Encoding::US_ASCII + @io.gets.encoding.should == Encoding::US_ASCII + end + + it "transcodes into the default internal encoding" do + Encoding.default_internal = Encoding::US_ASCII + @io = new_io @name, 'r' + @io.gets.encoding.should == Encoding::US_ASCII + end + + it "transcodes into the IO object's internal encoding, when set" do + Encoding.default_internal = Encoding::US_ASCII + @io = new_io @name, 'r' + @io.set_encoding Encoding::UTF_8, Encoding::UTF_16 + @io.gets.encoding.should == Encoding::UTF_16 + end + + it "overwrites the default external encoding with the IO object's own external encoding" do + Encoding.default_external = Encoding::ASCII_8BIT + Encoding.default_internal = Encoding::UTF_8 + @io = new_io @name, 'r' + @io.set_encoding Encoding::IBM866 + @io.gets.encoding.should == Encoding::UTF_8 + end + + it "ignores the internal encoding if the default external encoding is ASCII-8BIT" do + Encoding.default_external = Encoding::ASCII_8BIT + Encoding.default_internal = Encoding::UTF_8 + @io = new_io @name, 'r' + @io.gets.encoding.should == Encoding::ASCII_8BIT + end + + it "transcodes to internal encoding if the IO object's external encoding is ASCII-8BIT" do + Encoding.default_external = Encoding::ASCII_8BIT + Encoding.default_internal = Encoding::UTF_8 + @io = new_io @name, 'r' + @io.set_encoding Encoding::ASCII_8BIT, Encoding::UTF_8 + @io.gets.encoding.should == Encoding::UTF_8 + end +end |