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describe :module_class_exec, :shared => true do
it "does not add defined methods to other classes" do
FalseClass.class_exec do
def foo
'foo'
end
end
lambda {42.foo}.should raise_error(NoMethodError)
end
it "defines method in the receiver's scope" do
ModuleSpecs::Subclass.send(@method) { def foo; end }
ModuleSpecs::Subclass.new.respond_to?(:foo).should == true
end
it "evaluates a given block in the context of self" do
ModuleSpecs::Subclass.send(@method) { self }.should == ModuleSpecs::Subclass
ModuleSpecs::Subclass.new.send(@method) { 1 + 1 }.should == 2
end
it "raises an LocalJumpError when no block is given" do
lambda { ModuleSpecs::Subclass.send(@method) }.should raise_error(LocalJumpError)
end
it "passes arguments to the block" do
a = ModuleSpecs::Subclass
a.send(@method, 1) { |b| b }.should equal(1)
end
end
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