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* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
60 lines
2 KiB
Ruby
60 lines
2 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/common', __FILE__)
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describe "Proc#lambda?" do
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it "returns true if the Proc was created from a block with the lambda keyword" do
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lambda {}.lambda?.should be_true
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end
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it "returns false if the Proc was created from a block with the proc keyword" do
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proc {}.lambda?.should be_false
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end
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it "returns false if the Proc was created from a block with Proc.new" do
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Proc.new {}.lambda?.should be_false
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end
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it "is preserved when passing a Proc with & to the lambda keyword" do
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lambda(&lambda{}).lambda?.should be_true
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lambda(&proc{}).lambda?.should be_false
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end
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it "is preserved when passing a Proc with & to the proc keyword" do
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proc(&lambda{}).lambda?.should be_true
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proc(&proc{}).lambda?.should be_false
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end
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it "is preserved when passing a Proc with & to Proc.new" do
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Proc.new(&lambda{}).lambda?.should be_true
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Proc.new(&proc{}).lambda?.should be_false
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end
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it "returns false if the Proc was created from a block with &" do
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ProcSpecs.new_proc_from_amp{}.lambda?.should be_false
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end
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it "is preserved when the Proc was passed using &" do
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ProcSpecs.new_proc_from_amp(&lambda{}).lambda?.should be_true
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ProcSpecs.new_proc_from_amp(&proc{}).lambda?.should be_false
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ProcSpecs.new_proc_from_amp(&Proc.new{}).lambda?.should be_false
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end
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it "returns true for a Method converted to a Proc" do
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m = :foo.method(:to_s)
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m.to_proc.lambda?.should be_true
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ProcSpecs.new_proc_from_amp(&m).lambda?.should be_true
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end
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# [ruby-core:24127]
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it "is preserved when a Proc is curried" do
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lambda{}.curry.lambda?.should be_true
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proc{}.curry.lambda?.should be_false
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Proc.new{}.curry.lambda?.should be_false
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end
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it "is preserved when a curried Proc is called without enough arguments" do
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lambda{|x,y|}.curry.call(42).lambda?.should be_true
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proc{|x,y|}.curry.call(42).lambda?.should be_false
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Proc.new{|x,y|}.curry.call(42).lambda?.should be_false
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end
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end
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