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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/append_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/append_spec.rb')
-rw-r--r--spec/ruby/library/stringio/append_spec.rb84
1 files changed, 84 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/append_spec.rb b/spec/ruby/library/stringio/append_spec.rb
new file mode 100644
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+++ b/spec/ruby/library/stringio/append_spec.rb
@@ -0,0 +1,84 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "StringIO#<< when passed [Object]" do
+ before :each do
+ @io = StringIO.new("example")
+ end
+
+ it "returns self" do
+ (@io << "just testing").should equal(@io)
+ end
+
+ it "writes the passed argument onto self" do
+ (@io << "just testing")
+ @io.string.should == "just testing"
+ (@io << " and more testing")
+ @io.string.should == "just testing and more testing"
+ end
+
+ it "writes the passed argument at the current position" do
+ @io.pos = 5
+ @io << "<test>"
+ @io.string.should == "examp<test>"
+ end
+
+ it "pads self with \\000 when the current position is after the end" do
+ @io.pos = 15
+ @io << "just testing"
+ @io.string.should == "example\000\000\000\000\000\000\000\000just testing"
+ end
+
+ it "taints self's String when the passed argument is tainted" do
+ (@io << "test".taint)
+ @io.string.tainted?.should be_true
+ end
+
+ it "does not taint self when the passed argument is tainted" do
+ (@io << "test".taint)
+ @io.tainted?.should be_false
+ end
+
+ it "updates self's position" do
+ @io << "test"
+ @io.pos.should eql(4)
+ end
+
+ it "tries to convert the passed argument to a String using #to_s" do
+ obj = mock("to_s")
+ obj.should_receive(:to_s).and_return("Test")
+
+ (@io << obj).string.should == "Testple"
+ end
+end
+
+describe "StringIO#<< when self is not writable" do
+ it "raises an IOError" do
+ io = StringIO.new("test", "r")
+ lambda { io << "test" }.should raise_error(IOError)
+
+ io = StringIO.new("test")
+ io.close_write
+ lambda { io << "test" }.should raise_error(IOError)
+ end
+end
+
+describe "StringIO#<< when in append mode" do
+ before :each do
+ @io = StringIO.new("example", "a")
+ end
+
+ it "appends the passed argument to the end of self, ignoring current position" do
+ (@io << ", just testing")
+ @io.string.should == "example, just testing"
+
+ @io.pos = 3
+ (@io << " and more testing")
+ @io.string.should == "example, just testing and more testing"
+ end
+
+ it "correctly updates self's position" do
+ @io << ", testing"
+ @io.pos.should eql(16)
+ end
+end