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
|
describe :proc_call_block_args, shared: true do
it "can receive block arguments" do
Proc.new {|&b| b.send(@method)}.send(@method) {1 + 1}.should == 2
-> &b { b.send(@method)}.send(@method) {1 + 1}.should == 2
proc {|&b| b.send(@method)}.send(@method) {1 + 1}.should == 2
end
it "yields to the block given at declaration and not to the block argument" do
proc_creator = Object.new
def proc_creator.create
Proc.new do |&b|
yield
end
end
a_proc = proc_creator.create { 7 }
a_proc.send(@method) { 3 }.should == 7
end
it "can call its block argument declared with a block argument" do
proc_creator = Object.new
def proc_creator.create(method_name)
Proc.new do |&b|
yield + b.send(method_name)
end
end
a_proc = proc_creator.create(@method) { 7 }
a_proc.call { 3 }.should == 10
end
end
|
