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require_relative '../../spec_helper'
require_relative 'shared/read'
describe "ARGF.read" do
it_behaves_like :argf_read, :read
before :each do
@file1_name = fixture __FILE__, "file1.txt"
@file2_name = fixture __FILE__, "file2.txt"
@stdin_name = fixture __FILE__, "stdin.txt"
@file1 = File.read @file1_name
@file2 = File.read @file2_name
@stdin = File.read @stdin_name
end
it "reads the contents of a file" do
argf [@file1_name] do
@argf.read().should == @file1
end
end
it "treats first nil argument as no length limit" do
argf [@file1_name] do
@argf.read(nil).should == @file1
end
end
it "reads the contents of two files" do
argf [@file1_name, @file2_name] do
@argf.read.should == @file1 + @file2
end
end
it "reads the contents of one file and some characters from the second" do
argf [@file1_name, @file2_name] do
len = @file1.size + (@file2.size / 2)
@argf.read(len).should == (@file1 + @file2)[0,len]
end
end
it "reads across two files consecutively" do
argf [@file1_name, @file2_name] do
@argf.read(@file1.size - 2).should == @file1[0..-3]
@argf.read(2+5).should == @file1[-2..-1] + @file2[0,5]
end
end
it "reads the contents of stdin" do
stdin = ruby_exe("print ARGF.read", args: "< #{@stdin_name}")
stdin.should == @stdin
end
it "reads the contents of one file and stdin" do
stdin = ruby_exe("print ARGF.read", args: "#{@file1_name} - < #{@stdin_name}")
stdin.should == @file1 + @stdin
end
it "reads the contents of the same file twice" do
argf [@file1_name, @file1_name] do
@argf.read.should == @file1 + @file1
end
end
before :each do
@external = Encoding.default_external
@internal = Encoding.default_internal
Encoding.default_external = Encoding::UTF_8
Encoding.default_internal = nil
end
after :each do
Encoding.default_external = @external
Encoding.default_internal = @internal
end
it "reads the contents of the file with default encoding" do
Encoding.default_external = Encoding::US_ASCII
argf [@file1_name, @file2_name] do
@argf.read.encoding.should == Encoding::US_ASCII
end
end
end
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