1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/spec/ruby/core/argf/readpartial_spec.rb
eregon 1d15d5f080 Move spec/rubyspec to spec/ruby for consistency
* 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
2017-09-20 20:18:52 +00:00

77 lines
2.2 KiB
Ruby

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