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1d15d5f080
* 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
77 lines
2.2 KiB
Ruby
77 lines
2.2 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../shared/read', __FILE__)
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describe "ARGF.readpartial" do
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it_behaves_like :argf_read, :readpartial
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before :each do
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@file1_name = fixture __FILE__, "file1.txt"
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@file2_name = fixture __FILE__, "file2.txt"
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@stdin_name = fixture __FILE__, "stdin.txt"
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@file1 = File.read @file1_name
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@file2 = File.read @file2_name
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@stdin = File.read @stdin_name
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end
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it "raises an ArgumentError if called without a maximum read length" do
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argf [@file1_name] do
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lambda { @argf.readpartial }.should raise_error(ArgumentError)
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end
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end
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it "reads maximum number of bytes from one file at a time" do
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argf [@file1_name, @file2_name] do
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len = @file1.size + @file2.size
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@argf.readpartial(len).should == @file1
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end
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end
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it "clears output buffer even if EOFError is raised because @argf is at end" do
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begin
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output = "to be cleared"
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argf [@file1_name] do
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@argf.read
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@argf.readpartial(1, output)
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end
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rescue EOFError
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output.should == ""
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end
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end
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it "reads maximum number of bytes from one file at a time" do
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argf [@file1_name, @file2_name] do
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len = @file1.size + @file2.size
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@argf.readpartial(len).should == @file1
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end
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end
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it "returns an empty string if EOFError is raised while reading any but the last file" do
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argf [@file1_name, @file2_name] do
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@argf.readpartial(@file1.size)
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@argf.readpartial(1).should == ""
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end
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end
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ruby_version_is "2.3" do
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it "raises an EOFError if the exception was raised while reading the last file" do
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argf [@file1_name, @file2_name] do
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@argf.readpartial(@file1.size)
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@argf.readpartial(1)
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@argf.readpartial(@file2.size)
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lambda { @argf.readpartial(1) }.should raise_error(EOFError)
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lambda { @argf.readpartial(1) }.should raise_error(EOFError)
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end
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end
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end
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it "raises an EOFError if the exception was raised while reading STDIN" do
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ruby_str = <<-STR
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print ARGF.readpartial(#{@stdin.size})
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ARGF.readpartial(1) rescue print $!.class
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STR
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stdin = ruby_exe(ruby_str, args: "< #{@stdin_name}", escape: true)
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stdin.should == @stdin + "EOFError"
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end
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end
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