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
|
require File.expand_path('../../../spec_helper', __FILE__)
describe "ARGF.rewind" do
before :each do
@file1_name = fixture __FILE__, "file1.txt"
@file2_name = fixture __FILE__, "file2.txt"
@file1 = File.readlines @file1_name
@file2 = File.readlines @file2_name
end
after :each do
ARGF.close unless ARGF.closed?
end
# NOTE: this test assumes that fixtures files have two lines each
it "goes back to beginning of current file" do
argv [@file1_name, @file2_name] do
ARGF.gets;
ARGF.rewind;
ARGF.gets.should == @file1.first
ARGF.gets # finish reading file1
ARGF.gets
ARGF.rewind
ARGF.gets.should == @file2.first
end
end
ruby_bug "#1693", "1.8" do
it "resets ARGF.lineno to 0" do
argv [@file2_name] do
ARGF.lineno = 0
ARGF.gets;
ARGF.lineno.should > 0
ARGF.rewind;
ARGF.lineno.should == 0
end
end
end
it "raises an ArgumentError when end of stream reached" do
argv [@file1_name, @file2_name] do
ARGF.read
lambda { ARGF.rewind }.should raise_error(ArgumentError)
end
end
end
|
