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-rw-r--r--spec/ruby/library/stringio/shared/write.rb71
1 files changed, 61 insertions, 10 deletions
diff --git a/spec/ruby/library/stringio/shared/write.rb b/spec/ruby/library/stringio/shared/write.rb
index 0eb71466e3..404e08b93d 100644
--- a/spec/ruby/library/stringio/shared/write.rb
+++ b/spec/ruby/library/stringio/shared/write.rb
@@ -1,6 +1,6 @@
describe :stringio_write, shared: true do
before :each do
- @io = StringIO.new('12345')
+ @io = StringIO.new(+'12345')
end
it "tries to convert the passed Object to a String using #to_s" do
@@ -13,7 +13,7 @@ end
describe :stringio_write_string, shared: true do
before :each do
- @io = StringIO.new('12345')
+ @io = StringIO.new(+'12345')
end
# TODO: RDoc says that #write appends at the current position.
@@ -45,20 +45,71 @@ describe :stringio_write_string, shared: true do
@io.pos.should eql(4)
end
- ruby_version_is ""..."3.0" do
- it "does not taint self when the passed argument is tainted" do
- @io.send(@method, "test".taint)
- @io.tainted?.should be_false
- end
+ it "handles concurrent writes correctly" do
+ @io = StringIO.new
+ n = 8
+ go = false
+ threads = n.times.map { |i|
+ Thread.new {
+ Thread.pass until go
+ @io.write i.to_s
+ }
+ }
+ go = true
+ threads.each(&:join)
+ @io.string.size.should == n.times.map(&:to_s).join.size
+ end
+
+ it "handles writing non-ASCII UTF-8 after seek" do
+ @io.binmode
+ @io << "\x80"
+ @io.pos = 0
+ @io << "\x81"
+ @io.string.should == "\x812345".b
+ end
+
+ it "handles writing with position < buffer size" do
+ @io.pos = 2
+ @io.write "abc"
+ @io.string.should == "12abc"
+
+ @io.pos = 2
+ @io.write "de"
+ @io.string.should == "12dec"
+
+ @io.pos = 2
+ @io.write "fghi"
+ @io.string.should == "12fghi"
+ end
+
+ it "transcodes the given string when the external encoding is set and neither is BINARY" do
+ utf8_str = "hello"
+ io = StringIO.new.set_encoding(Encoding::UTF_16BE)
+ io.external_encoding.should == Encoding::UTF_16BE
+
+ io.send(@method, utf8_str)
+
+ expected = [0, 104, 0, 101, 0, 108, 0, 108, 0, 111] # UTF-16BE bytes for "hello"
+ io.string.bytes.should == expected
+ end
+
+ it "does not transcode the given string when the external encoding is set and the string encoding is BINARY" do
+ str = "été".b
+ io = StringIO.new.set_encoding(Encoding::UTF_16BE)
+ io.external_encoding.should == Encoding::UTF_16BE
+
+ io.send(@method, str)
+
+ io.string.bytes.should == str.bytes
end
end
describe :stringio_write_not_writable, shared: true do
it "raises an IOError" do
- io = StringIO.new("test", "r")
+ io = StringIO.new(+"test", "r")
-> { io.send(@method, "test") }.should raise_error(IOError)
- io = StringIO.new("test")
+ io = StringIO.new(+"test")
io.close_write
-> { io.send(@method, "test") }.should raise_error(IOError)
end
@@ -66,7 +117,7 @@ end
describe :stringio_write_append, shared: true do
before :each do
- @io = StringIO.new("example", "a")
+ @io = StringIO.new(+"example", "a")
end
it "appends the passed argument to the end of self" do