File: kind_of.rb

package info (click to toggle)
ruby2.7 2.7.4-1%2Bdeb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 112,576 kB
  • sloc: ruby: 849,454; ansic: 697,834; yacc: 45,100; xml: 25,367; pascal: 10,051; javascript: 6,575; sh: 3,848; makefile: 759; cpp: 713; asm: 333; python: 295; lisp: 97; sed: 94; perl: 62; awk: 36
file content (55 lines) | stat: -rw-r--r-- 1,993 bytes parent folder | download | duplicates (7)
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
50
51
52
53
54
55
require_relative '../fixtures/classes'

describe :kernel_kind_of, shared: true do
  before :each do
    @o = KernelSpecs::KindaClass.new
  end

  it "returns true if given class is the object's class" do
    @o.send(@method, KernelSpecs::KindaClass).should == true
  end

  it "returns true if given class is an ancestor of the object's class" do
    @o.send(@method, KernelSpecs::AncestorClass).should == true
    @o.send(@method, String).should == true
    @o.send(@method, Object).should == true
  end

  it "returns false if the given class is not object's class nor an ancestor" do
    @o.send(@method, Array).should == false
  end

  it "returns true if given a Module that is included in object's class" do
    @o.send(@method, KernelSpecs::MyModule).should == true
  end

  it "returns true if given a Module that is included one of object's ancestors only" do
    @o.send(@method, KernelSpecs::AncestorModule).should == true
  end

  it "returns true if given a Module that object has been extended with" do
    @o.send(@method, KernelSpecs::MyExtensionModule).should == true
  end

  it "returns true if given a Module that object has been prepended with" do
    @o.send(@method, KernelSpecs::MyPrependedModule).should == true
  end

  it "returns false if given a Module not included nor prepended in object's class nor ancestors" do
    @o.send(@method, KernelSpecs::SomeOtherModule).should == false
  end

  it "raises a TypeError if given an object that is not a Class nor a Module" do
    -> { @o.send(@method, 1) }.should raise_error(TypeError)
    -> { @o.send(@method, 'KindaClass') }.should raise_error(TypeError)
    -> { @o.send(@method, :KindaClass) }.should raise_error(TypeError)
    -> { @o.send(@method, Object.new) }.should raise_error(TypeError)
  end

  it "does not take into account `class` method overriding" do
    def @o.class; Integer; end

    @o.send(@method, Integer).should == false
    @o.send(@method, KernelSpecs::KindaClass).should == true
  end
end