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require_relative '../../../spec_helper'
require_relative '../fixtures/common'
describe :proc_equal, shared: true do
it "is a public method" do
Proc.should have_public_instance_method(@method, false)
end
it "returns true if self and other are the same object" do
p = proc { :foo }
p.send(@method, p).should be_true
p = Proc.new { :foo }
p.send(@method, p).should be_true
p = -> { :foo }
p.send(@method, p).should be_true
end
it "returns true if other is a dup of the original" do
p = proc { :foo }
p.send(@method, p.dup).should be_true
p = Proc.new { :foo }
p.send(@method, p.dup).should be_true
p = -> { :foo }
p.send(@method, p.dup).should be_true
end
# identical here means the same method invocation.
it "returns false when bodies are the same but capture env is not identical" do
a = ProcSpecs.proc_for_1
b = ProcSpecs.proc_for_1
a.send(@method, b).should be_false
end
it "returns false if procs are distinct but have the same body and environment" do
p = proc { :foo }
p2 = proc { :foo }
p.send(@method, p2).should be_false
end
it "returns false if lambdas are distinct but have same body and environment" do
x = -> { :foo }
x2 = -> { :foo }
x.send(@method, x2).should be_false
end
it "returns false if using comparing lambda to proc, even with the same body and env" do
p = -> { :foo }
p2 = proc { :foo }
p.send(@method, p2).should be_false
x = proc { :bar }
x2 = -> { :bar }
x.send(@method, x2).should be_false
end
it "returns false if other is not a Proc" do
p = proc { :foo }
p.send(@method, []).should be_false
p = Proc.new { :foo }
p.send(@method, Object.new).should be_false
p = -> { :foo }
p.send(@method, :foo).should be_false
end
it "returns false if self and other are both procs but have different bodies" do
p = proc { :bar }
p2 = proc { :foo }
p.send(@method, p2).should be_false
end
it "returns false if self and other are both lambdas but have different bodies" do
p = -> { :foo }
p2 = -> { :bar }
p.send(@method, p2).should be_false
end
end
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