File: close_write_spec.rb

package info (click to toggle)
ruby2.5 2.5.5-3%2Bdeb10u4
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 101,532 kB
  • sloc: ruby: 732,598; ansic: 669,262; xml: 25,363; yacc: 20,963; javascript: 6,680; sh: 3,610; lisp: 2,627; makefile: 596; python: 198; sed: 76; perl: 62; awk: 36; asm: 35
file content (36 lines) | stat: -rw-r--r-- 869 bytes parent folder | download | duplicates (2)
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
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)

describe "StringIO#close_write" do
  before :each do
    @io = StringIO.new("example")
  end

  it "returns nil" do
    @io.close_write.should be_nil
  end

  it "prevents further writing" do
    @io.close_write
    lambda { @io.write('x') }.should raise_error(IOError)
  end

  it "allows further reading" do
    @io.close_write
    @io.read(1).should == 'e'
  end

  it "raises an IOError when in read-only mode" do
    io = StringIO.new("example", "r")
    lambda { io.close_write }.should raise_error(IOError)

    io = StringIO.new("example")
    io.close_write
    ruby_version_is ''...'2.3' do
      lambda { io.close_write }.should raise_error(IOError)
    end
    ruby_version_is '2.3' do
      io.close_write.should == nil
    end
  end
end