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* 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
54 lines
1.3 KiB
Ruby
54 lines
1.3 KiB
Ruby
# -*- encoding: utf-8 -*-
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require File.expand_path('../../fixtures/classes', __FILE__)
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describe :io_codepoints, shared: true do
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before :each do
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@io = IOSpecs.io_fixture "lines.txt"
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@enum = @io.send(@method)
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end
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after :each do
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@io.close
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end
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describe "when no block is given" do
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it "returns an Enumerator" do
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@enum.should be_an_instance_of(Enumerator)
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end
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describe "returned Enumerator" do
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describe "size" do
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it "should return nil" do
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@enum.size.should == nil
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end
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end
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end
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end
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it "yields each codepoint" do
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@enum.first(25).should == [
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86, 111, 105, 99, 105, 32, 108, 97, 32, 108, 105, 103, 110,
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101, 32, 117, 110, 101, 46, 10, 81, 117, 105, 32, 232
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]
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end
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it "yields each codepoint starting from the current position" do
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@io.pos = 130
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@enum.to_a.should == [101, 32, 115, 105, 120, 46, 10]
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end
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it "raises an error if reading invalid sequence" do
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@io.pos = 60 # inside of a multibyte sequence
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lambda { @enum.first }.should raise_error(ArgumentError)
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end
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it "does not change $_" do
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$_ = "test"
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@enum.to_a
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$_.should == "test"
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end
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it "raises an IOError when self is not readable" do
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lambda { IOSpecs.closed_io.send(@method).to_a }.should raise_error(IOError)
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end
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end
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