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
|
# -*- encoding: utf-8 -*-
require File.expand_path('../../fixtures/classes', __FILE__)
describe :io_codepoints, shared: true do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
@enum = @io.send(@method)
end
after :each do
@io.close
end
describe "when no block is given" do
it "returns an Enumerator" do
@enum.should be_an_instance_of(Enumerator)
end
describe "returned Enumerator" do
describe "size" do
it "should return nil" do
@enum.size.should == nil
end
end
end
end
it "yields each codepoint" do
@enum.first(25).should == [
86, 111, 105, 99, 105, 32, 108, 97, 32, 108, 105, 103, 110,
101, 32, 117, 110, 101, 46, 10, 81, 117, 105, 32, 232
]
end
it "yields each codepoint starting from the current position" do
@io.pos = 130
@enum.to_a.should == [101, 32, 115, 105, 120, 46, 10]
end
it "raises an error if reading invalid sequence" do
@io.pos = 60 # inside of a multibyte sequence
lambda { @enum.first }.should raise_error(ArgumentError)
end
it "does not change $_" do
$_ = "test"
@enum.to_a
$_.should == "test"
end
it "raises an IOError when self is not readable" do
lambda { IOSpecs.closed_io.send(@method).to_a }.should raise_error(IOError)
end
end
|
