1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "IO.binread" do
before :each do
@internal = Encoding.default_internal
@fname = tmp('io_read.txt')
@contents = "1234567890"
touch(@fname) { |f| f.write @contents }
end
after :each do
rm_r @fname
Encoding.default_internal = @internal
end
it "reads the contents of a file" do
IO.binread(@fname).should == @contents
end
it "reads the contents of a file up to a certain size when specified" do
IO.binread(@fname, 5).should == @contents.slice(0..4)
end
it "reads the contents of a file from an offset of a specific size when specified" do
IO.binread(@fname, 5, 3).should == @contents.slice(3, 5)
end
it "returns a String in BINARY encoding" do
IO.binread(@fname).encoding.should == Encoding::BINARY
end
it "returns a String in BINARY encoding regardless of Encoding.default_internal" do
Encoding.default_internal = Encoding::EUC_JP
IO.binread(@fname).encoding.should == Encoding::BINARY
end
it "raises an ArgumentError when not passed a valid length" do
-> { IO.binread @fname, -1 }.should raise_error(ArgumentError)
end
it "raises an Errno::EINVAL when not passed a valid offset" do
-> { IO.binread @fname, 0, -1 }.should raise_error(Errno::EINVAL)
end
ruby_version_is "3.3" do
# https://bugs.ruby-lang.org/issues/19630
it "warns about deprecation given a path with a pipe" do
cmd = "|echo ok"
-> {
IO.binread(cmd)
}.should complain(/IO process creation with a leading '\|'/)
end
end
end
|
