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describe :kernel_send, :shared => true do
it "invokes the named method" do
class KernelSpecs::Foo
def bar
'done'
end
end
KernelSpecs::Foo.new.send(@method, :bar).should == 'done'
end
it "invokes a class method if called on a class" do
class KernelSpecs::Foo
def self.bar
'done'
end
end
KernelSpecs::Foo.send(@method, :bar).should == 'done'
end
it "raises a NameError if the corresponding method can't be found" do
class KernelSpecs::Foo
def bar
'done'
end
end
lambda { KernelSpecs::Foo.new.send(@method, :syegsywhwua) }.should raise_error(NameError)
end
it "raises a NameError if the corresponding singleton method can't be found" do
class KernelSpecs::Foo
def self.bar
'done'
end
end
lambda { KernelSpecs::Foo.send(@method, :baz) }.should raise_error(NameError)
end
it "raises an ArgumentError if no arguments are given" do
lambda { KernelSpecs::Foo.new.send }.should raise_error(ArgumentError)
end
it "raises an ArgumentError if called with more arguments than available parameters" do
class KernelSpecs::Foo
def bar; end
end
lambda { KernelSpecs::Foo.new.send(:bar, :arg) }.should raise_error(ArgumentError)
end
it "raises an ArgumentError if called with fewer arguments than required parameters" do
class KernelSpecs::Foo
def foo(arg); end
end
lambda { KernelSpecs::Foo.new.send(@method, :foo) }.should raise_error(ArgumentError)
end
it "succeeds if passed an arbitrary number of arguments as a splat parameter" do
class KernelSpecs::Foo
def baz(*args) args end
end
begin
KernelSpecs::Foo.new.send(@method, :baz).should == []
KernelSpecs::Foo.new.send(@method, :baz, :quux).should == [:quux]
KernelSpecs::Foo.new.send(@method, :baz, :quux, :foo).should == [:quux, :foo]
rescue
fail
end
end
it "succeeds when passing 1 or more arguments as a required and a splat parameter" do
class KernelSpecs::Foo
def foo(first, *rest) [first, *rest] end
end
begin
KernelSpecs::Foo.new.send(@method, :baz, :quux).should == [:quux]
KernelSpecs::Foo.new.send(@method, :baz, :quux, :foo).should == [:quux, :foo]
rescue
fail
end
end
it "succeeds when passing 0 arguments to a method with one parameter with a default" do
class KernelSpecs::Foo
def foo(first = true) first end
end
begin
KernelSpecs::Foo.new.send(@method, :foo).should == true
KernelSpecs::Foo.new.send(@method, :foo, :arg).should == :arg
rescue
fail
end
end
not_compliant_on :rubinius do
# Confirm commit r24306
it "has an arity of -1" do
method(:__send__).arity.should == -1
end
end
deviates_on :rubinius do
it "has an arity of -2" do
method(:__send__).arity.should == -2
end
end
end
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