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describe :proc_to_s, shared: true do
sep = ruby_version_is("2.7") ? " " : "@"
describe "for a proc created with Proc.new" do
it "returns a description including file and line number" do
Proc.new { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)#{sep}#{Regexp.escape __FILE__}:#{__LINE__ }>$/
end
it "has a binary encoding" do
Proc.new { "hello" }.send(@method).encoding.should == Encoding::BINARY
end
end
describe "for a proc created with lambda" do
it "returns a description including '(lambda)' and including file and line number" do
-> { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)#{sep}#{Regexp.escape __FILE__}:#{__LINE__ } \(lambda\)>$/
end
it "has a binary encoding" do
-> { "hello" }.send(@method).encoding.should == Encoding::BINARY
end
end
describe "for a proc created with proc" do
it "returns a description including file and line number" do
proc { "hello" }.send(@method).should =~ /^#<Proc:([^ ]*?)#{sep}#{Regexp.escape __FILE__}:#{__LINE__ }>$/
end
it "has a binary encoding" do
proc { "hello" }.send(@method).encoding.should == Encoding::BINARY
end
end
describe "for a proc created with UnboundMethod#to_proc" do
it "returns a description including '(lambda)' and optionally including file and line number" do
def hello; end
method("hello").to_proc.send(@method).should =~ /^#<Proc:([^ ]*?)(#{sep}#{Regexp.escape __FILE__}:#{__LINE__ })? \(lambda\)>$/
end
it "has a binary encoding" do
def hello; end
method("hello").to_proc.send(@method).encoding.should == Encoding::BINARY
end
end
describe "for a proc created with Symbol#to_proc" do
it "returns a description including '(&:symbol)'" do
proc = :foobar.to_proc
proc.send(@method).should =~ /^#<Proc:0x\h+\(&:foobar\)>$/
end
it "has a binary encoding" do
proc = :foobar.to_proc
proc.send(@method).encoding.should == Encoding::BINARY
end
end
end
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