blob: 2fc6504ee5169945df9c4aed05a08b10864ce1ea (
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
46
|
require_relative '../../spec_helper'
describe 'Binding#local_variable_defined?' do
it 'returns false when a variable is not defined' do
binding.local_variable_defined?(:foo).should == false
end
it 'returns true when a regular local variable is defined' do
foo = 10
binding.local_variable_defined?(:foo).should == true
end
it 'returns true when a local variable is defined using eval()' do
bind = binding
bind.eval('foo = 10')
bind.local_variable_defined?(:foo).should == true
end
it 'returns true when a local variable is defined using Binding#local_variable_set' do
bind = binding
bind.local_variable_set(:foo, 10)
bind.local_variable_defined?(:foo).should == true
end
it 'returns true when a local variable is defined in a parent scope' do
foo = 10
-> {
binding.local_variable_defined?(:foo)
}.call.should == true
end
it 'allows usage of a String as the variable name' do
foo = 10
binding.local_variable_defined?('foo').should == true
end
it 'allows usage of an object responding to #to_str as the variable name' do
foo = 10
name = mock(:obj)
name.stub!(:to_str).and_return('foo')
binding.local_variable_defined?(name).should == true
end
end
|