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
|
# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "IO#rewind" do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
end
after :each do
@io.close unless @io.closed?
end
it "positions the instance to the beginning of input" do
@io.readline.should == "Voici la ligne une.\n"
@io.readline.should == "Qui รจ la linea due.\n"
@io.rewind
@io.readline.should == "Voici la ligne une.\n"
end
it "positions the instance to the beginning of input and clears EOF" do
value = @io.read
@io.rewind
@io.eof?.should == false
value.should == @io.read
end
it "sets lineno to 0" do
@io.readline.should == "Voici la ligne une.\n"
@io.lineno.should == 1
@io.rewind
@io.lineno.should == 0
end
it "raises IOError on closed stream" do
lambda { IOSpecs.closed_io.rewind }.should raise_error(IOError)
end
end
|
