blob: 929ed0869854a057810c61041643c8c843f77e6e (
plain)
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
|
# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
ruby_version_is "2.5" do
platform_is_not :windows do
describe "IO#pwrite" do
before :each do
@fname = tmp("io_pwrite.txt")
@file = File.open(@fname, "w+")
end
after :each do
@file.close
rm_r @fname
end
it "returns the number of bytes written" do
@file.pwrite("foo", 0).should == 3
end
it "accepts a string and an offset" do
@file.pwrite("foo", 2)
@file.pread(3, 2).should == "foo"
end
it "does not advance the pointer in the file" do
@file.pwrite("bar", 3)
@file.write("foo")
@file.pread(6, 0).should == "foobar"
end
it "raises IOError when file is not open in write mode" do
File.open(@fname, "r") do |file|
-> { file.pwrite("foo", 1) }.should raise_error(IOError)
end
end
it "raises IOError when file is closed" do
file = File.open(@fname, "w+")
file.close
-> { file.pwrite("foo", 1) }.should raise_error(IOError)
end
end
end
end
|