diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
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committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-05-07 12:04:49 +0000 |
commit | 95e8c48dd3348503a8c7db5d0498894a1b676395 (patch) | |
tree | 9eef7f720314ebaff56845a74e203770e62284e4 /spec/rubyspec/core/io/advise_spec.rb | |
parent | ed7d803500de38186c74bce94d233e85ef51e503 (diff) |
Add in-tree mspec and ruby/spec
* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
These files can therefore be updated like any other file in MRI.
Instructions are provided in spec/README.
[Feature #13156] [ruby-core:79246]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/rubyspec/core/io/advise_spec.rb')
-rw-r--r-- | spec/rubyspec/core/io/advise_spec.rb | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/spec/rubyspec/core/io/advise_spec.rb b/spec/rubyspec/core/io/advise_spec.rb new file mode 100644 index 0000000000..bd3bf24bec --- /dev/null +++ b/spec/rubyspec/core/io/advise_spec.rb @@ -0,0 +1,96 @@ +# -*- encoding: utf-8 -*- +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "IO#advise" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + end + + after :each do + @io.close unless @io.closed? + end + + it "raises a TypeError if advise is not a Symbol" do + lambda { + @io.advise("normal") + }.should raise_error(TypeError) + end + + it "raises a TypeError if offsert cannot be coerced to an Integer" do + lambda { + @io.advise(:normal, "wat") + }.should raise_error(TypeError) + end + + it "raises a TypeError if len cannot be coerced to an Integer" do + lambda { + @io.advise(:normal, 0, "wat") + }.should raise_error(TypeError) + end + + it "raises a RangeError if offset is too big" do + lambda { + @io.advise(:normal, 10 ** 32) + }.should raise_error(RangeError) + end + + it "raises a RangeError if len is too big" do + lambda { + @io.advise(:normal, 0, 10 ** 32) + }.should raise_error(RangeError) + end + + it "raises a NotImplementedError if advise is not recognized" do + lambda{ + @io.advise(:foo) + }.should raise_error(NotImplementedError) + end + + it "supports the normal advice type" do + @io.advise(:normal).should be_nil + end + + it "supports the sequential advice type" do + @io.advise(:sequential).should be_nil + end + + it "supports the random advice type" do + @io.advise(:random).should be_nil + end + + it "supports the dontneed advice type" do + @io.advise(:dontneed).should be_nil + end + + it "supports the noreuse advice type" do + @io.advise(:noreuse).should be_nil + end + + platform_is_not :linux do + it "supports the willneed advice type" do + @io.advise(:willneed).should be_nil + end + end + + platform_is :linux do + require 'etc' + uname = if Etc.respond_to?(:uname) + Etc.uname[:release] + else + `uname -r`.chomp + end + if (uname.split('.').map(&:to_i) <=> [3,6]) < 0 + # [ruby-core:65355] tmpfs is not supported + else + it "supports the willneed advice type" do + @io.advise(:willneed).should be_nil + end + end + end + + it "raises an IOError if the stream is closed" do + @io.close + lambda { @io.advise(:normal) }.should raise_error(IOError) + end +end |