aboutsummaryrefslogtreecommitdiffstats
path: root/spec/ruby/core/io/seek_spec.rb
diff options
context:
space:
mode:
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/core/io/seek_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/core/io/seek_spec.rb')
-rw-r--r--spec/ruby/core/io/seek_spec.rb79
1 files changed, 79 insertions, 0 deletions
diff --git a/spec/ruby/core/io/seek_spec.rb b/spec/ruby/core/io/seek_spec.rb
new file mode 100644
index 0000000000..f7e138cbe9
--- /dev/null
+++ b/spec/ruby/core/io/seek_spec.rb
@@ -0,0 +1,79 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/pos', __FILE__)
+
+describe "IO#seek" do
+ it_behaves_like :io_set_pos, :seek
+end
+
+describe "IO#seek" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close unless @io.closed?
+ end
+
+ it "moves the read position relative to the current position with SEEK_CUR" do
+ lambda { @io.seek(-1) }.should raise_error(Errno::EINVAL)
+ @io.seek(10, IO::SEEK_CUR)
+ @io.readline.should == "igne une.\n"
+ @io.seek(-5, IO::SEEK_CUR)
+ @io.readline.should == "une.\n"
+ end
+
+ it "moves the read position relative to the start with SEEK_SET" do
+ @io.seek(1)
+ @io.pos.should == 1
+ @io.rewind
+ @io.seek(43, IO::SEEK_SET)
+ @io.readline.should == "Aquí está la línea tres.\n"
+ @io.seek(5, IO::SEEK_SET)
+ @io.readline.should == " la ligne une.\n"
+ end
+
+ it "moves the read position relative to the end with SEEK_END" do
+ @io.seek(0, IO::SEEK_END)
+ @io.tell.should == 137
+ @io.seek(-25, IO::SEEK_END)
+ @io.readline.should == "cinco.\n"
+ end
+
+ it "moves the read position and clears EOF with SEEK_SET" do
+ value = @io.read
+ @io.seek(0, IO::SEEK_SET)
+ @io.eof?.should == false
+ value.should == @io.read
+ end
+
+ it "moves the read position and clears EOF with SEEK_CUR" do
+ value = @io.read
+ @io.seek(-1, IO::SEEK_CUR)
+ @io.eof?.should == false
+ value[-1].should == @io.read[0]
+ end
+
+ it "moves the read position and clears EOF with SEEK_END" do
+ value = @io.read
+ @io.seek(-1, IO::SEEK_END)
+ @io.eof?.should == false
+ value[-1].should == @io.read[0]
+ end
+
+ platform_is :darwin do
+ it "supports seek offsets greater than 2^32" do
+ begin
+ zero = File.open('/dev/zero')
+ offset = 2**33
+ zero.seek(offset, File::SEEK_SET)
+ pos = zero.pos
+
+ pos.should == offset
+ ensure
+ zero.close rescue nil
+ end
+ end
+ end
+end