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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/initialize_spec.rb
parent75bfc6440d595bf339007f4fb280fd4d743e89c1 (diff)
downloadruby-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/initialize_spec.rb')
-rw-r--r--spec/ruby/library/stringio/initialize_spec.rb185
1 files changed, 185 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/initialize_spec.rb b/spec/ruby/library/stringio/initialize_spec.rb
new file mode 100644
index 0000000000..8b661a3790
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+++ b/spec/ruby/library/stringio/initialize_spec.rb
@@ -0,0 +1,185 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'stringio'
+
+describe "StringIO#initialize when passed [Object, mode]" do
+ before :each do
+ @io = StringIO.allocate
+ end
+
+ it "uses the passed Object as the StringIO backend" do
+ @io.send(:initialize, str = "example", "r")
+ @io.string.should equal(str)
+ end
+
+ it "sets the mode based on the passed mode" do
+ io = StringIO.allocate
+ io.send(:initialize, "example", "r")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "rb")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "r+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "rb+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "w")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "wb")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "w+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "wb+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "a")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "ab")
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "a+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", "ab+")
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+ end
+
+ it "allows passing the mode as an Integer" do
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::RDONLY)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_true
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::RDWR)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::WRONLY)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::WRONLY | IO::TRUNC)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::RDWR | IO::TRUNC)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::WRONLY | IO::APPEND)
+ io.closed_read?.should be_true
+ io.closed_write?.should be_false
+
+ io = StringIO.allocate
+ io.send(:initialize, "example", IO::RDWR | IO::APPEND)
+ io.closed_read?.should be_false
+ io.closed_write?.should be_false
+ end
+
+ it "raises a RuntimeError when passed a frozen String in truncate mode as StringIO backend" do
+ io = StringIO.allocate
+ lambda { io.send(:initialize, "example".freeze, IO::TRUNC) }.should raise_error(RuntimeError)
+ end
+
+ it "tries to convert the passed mode to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return("r")
+ @io.send(:initialize, "example", obj)
+
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_true
+ end
+
+ it "raises an Errno::EACCES error when passed a frozen string with a write-mode" do
+ (str = "example").freeze
+ lambda { @io.send(:initialize, str, "r+") }.should raise_error(Errno::EACCES)
+ lambda { @io.send(:initialize, str, "w") }.should raise_error(Errno::EACCES)
+ lambda { @io.send(:initialize, str, "a") }.should raise_error(Errno::EACCES)
+ end
+end
+
+describe "StringIO#initialize when passed [Object]" do
+ before :each do
+ @io = StringIO.allocate
+ end
+
+ it "uses the passed Object as the StringIO backend" do
+ @io.send(:initialize, str = "example")
+ @io.string.should equal(str)
+ end
+
+ it "sets the mode to read-write" do
+ @io.send(:initialize, "example")
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ end
+
+ it "tries to convert the passed Object to a String using #to_str" do
+ obj = mock('to_str')
+ obj.should_receive(:to_str).and_return("example")
+ @io.send(:initialize, obj)
+ @io.string.should == "example"
+ end
+
+ it "automatically sets the mode to read-only when passed a frozen string" do
+ (str = "example").freeze
+ @io.send(:initialize, str)
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_true
+ end
+end
+
+describe "StringIO#initialize when passed no arguments" do
+ before :each do
+ @io = StringIO.allocate
+ end
+
+ it "is private" do
+ StringIO.should have_private_instance_method(:initialize)
+ end
+
+ it "sets the mode to read-write" do
+ @io.send(:initialize, "example")
+ @io.closed_read?.should be_false
+ @io.closed_write?.should be_false
+ end
+
+ it "uses an empty String as the StringIO backend" do
+ @io.send(:initialize)
+ @io.string.should == ""
+ end
+end