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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/library/stringio/puts_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/library/stringio/puts_spec.rb')
-rw-r--r-- | spec/ruby/library/stringio/puts_spec.rb | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/puts_spec.rb b/spec/ruby/library/stringio/puts_spec.rb new file mode 100644 index 0000000000..93a676aa15 --- /dev/null +++ b/spec/ruby/library/stringio/puts_spec.rb @@ -0,0 +1,159 @@ +# -*- encoding: utf-8 -*- + +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "StringIO#puts when passed an Array" do + before :each do + @io = StringIO.new + end + + it "writes each element of the passed Array to self, separated by a newline" do + @io.puts([1, 2, 3, 4]) + @io.string.should == "1\n2\n3\n4\n" + + @io.puts([1, 2], [3, 4]) + @io.string.should == "1\n2\n3\n4\n1\n2\n3\n4\n" + end + + it "flattens nested Arrays" do + @io.puts([1, [2, [3, [4]]]]) + @io.string.should == "1\n2\n3\n4\n" + end + + it "handles self-recursive arrays correctly" do + (ary = [5]) + ary << ary + @io.puts(ary) + @io.string.should == "5\n[...]\n" + end + + it "does not honor the global output record separator $\\" do + begin + old_rs, $\ = $\, "test" + @io.puts([1, 2, 3, 4]) + @io.string.should == "1\n2\n3\n4\n" + ensure + $\ = old_rs + end + end + + it "first tries to convert each Array element to an Array using #to_ary" do + obj = mock("Object") + obj.should_receive(:to_ary).and_return(["to_ary"]) + @io.puts([obj]) + @io.string.should == "to_ary\n" + end + + it "then tries to convert each Array element to a String using #to_s" do + obj = mock("Object") + obj.should_receive(:to_s).and_return("to_s") + @io.puts([obj]) + @io.string.should == "to_s\n" + end +end + +describe "StringIO#puts when passed 1 or more objects" do + before :each do + @io = StringIO.new + end + + it "does not honor the global output record separator $\\" do + begin + old_rs, $\ = $\, "test" + @io.puts(1, 2, 3, 4) + @io.string.should == "1\n2\n3\n4\n" + ensure + $\ = old_rs + end + end + + it "does not put a \\n after each Objects that end in a newline" do + @io.puts("1\n", "2\n", "3\n") + @io.string.should == "1\n2\n3\n" + end + + it "first tries to convert each Object to an Array using #to_ary" do + obj = mock("Object") + obj.should_receive(:to_ary).and_return(["to_ary"]) + @io.puts(obj) + @io.string.should == "to_ary\n" + end + + it "then tries to convert each Object to a String using #to_s" do + obj = mock("Object") + obj.should_receive(:to_s).and_return("to_s") + @io.puts(obj) + @io.string.should == "to_s\n" + end + + it "prints a newline when passed an empty string" do + @io.puts '' + @io.string.should == "\n" + end +end + +describe "StringIO#puts when passed no arguments" do + before :each do + @io = StringIO.new + end + + it "returns nil" do + @io.puts.should be_nil + end + + it "prints a newline" do + @io.puts + @io.string.should == "\n" + end + + it "does not honor the global output record separator $\\" do + begin + old_rs, $\ = $\, "test" + @io.puts + @io.string.should == "\n" + ensure + $\ = old_rs + end + end +end + +describe "StringIO#puts when in append mode" do + before :each do + @io = StringIO.new("example", "a") + end + + it "appends the passed argument to the end of self" do + @io.puts(", just testing") + @io.string.should == "example, just testing\n" + + @io.puts(" and more testing") + @io.string.should == "example, just testing\n and more testing\n" + end + + it "correctly updates self's position" do + @io.puts(", testing") + @io.pos.should eql(17) + end +end + +describe "StringIO#puts when self is not writable" do + it "raises an IOError" do + io = StringIO.new("test", "r") + lambda { io.puts }.should raise_error(IOError) + + io = StringIO.new("test") + io.close_write + lambda { io.puts }.should raise_error(IOError) + end +end + +describe "StringIO#puts when passed an encoded string" do + it "stores the bytes unmodified" do + io = StringIO.new("") + io.puts "\x00\x01\x02" + io.puts "æåø" + + io.string.should == "\x00\x01\x02\næåø\n" + end +end |