File: hash_spec.rb

package info (click to toggle)
jruby 1.7.26-1%2Bdeb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 84,572 kB
  • sloc: ruby: 669,910; java: 253,056; xml: 35,152; ansic: 9,187; yacc: 7,267; cpp: 5,244; sh: 1,036; makefile: 345; jsp: 48; tcl: 40
file content (24 lines) | stat: -rw-r--r-- 803 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
require File.expand_path('../../../spec_helper', __FILE__)

describe "Range#hash" do
  it "is provided" do
    (0..1).respond_to?(:hash).should == true
    ('A'..'Z').respond_to?(:hash).should == true
    (0xfffd..0xffff).respond_to?(:hash).should == true
    (0.5..2.4).respond_to?(:hash).should == true
  end

  it "generates the same hash values for Ranges with the same start, end and exclude_end? values" do
    (0..1).hash.should == (0..1).hash
    (0...10).hash.should == (0...10).hash
    (0..10).hash.should_not == (0...10).hash
  end

  it "generates a Fixnum for the hash value" do
    (0..0).hash.should be_an_instance_of(Fixnum)
    (0..1).hash.should be_an_instance_of(Fixnum)
    (0...10).hash.should be_an_instance_of(Fixnum)
    (0..10).hash.should be_an_instance_of(Fixnum)
  end

end