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describe :argf_each_byte, :shared => true do
before :each do
@file1_name = fixture __FILE__, "file1.txt"
@file2_name = fixture __FILE__, "file2.txt"
@bytes = []
File.read(@file1_name).each_byte { |b| @bytes << b }
File.read(@file2_name).each_byte { |b| @bytes << b }
end
after :each do
ARGF.close unless ARGF.closed?
end
it "yields each byte of all streams to the passed block" do
argv [@file1_name, @file2_name] do
bytes = []
ARGF.send(@method) { |b| bytes << b }
bytes.should == @bytes
end
end
it "returns self when passed a block" do
argv [@file1_name, @file2_name] do
ARGF.send(@method) {}.should equal(ARGF)
end
end
ruby_version_is "" ... "1.8.7" do
it "raises a LocalJumpError when passed no block" do
argv [@file1_name, @file2_name] do
lambda { ARGF.send(@method) }.should raise_error(LocalJumpError)
end
end
end
ruby_version_is "1.8.7" do
it "returns an Enumerator when passed no block" do
argv [@file1_name, @file2_name] do
enum = ARGF.send(@method)
enum.should be_an_instance_of(enumerator_class)
bytes = []
enum.each { |b| bytes << b }
bytes.should == @bytes
end
end
end
end
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