diff options
Diffstat (limited to 'spec/rubyspec/core/kernel/block_given_spec.rb')
-rw-r--r-- | spec/rubyspec/core/kernel/block_given_spec.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/spec/rubyspec/core/kernel/block_given_spec.rb b/spec/rubyspec/core/kernel/block_given_spec.rb new file mode 100644 index 0000000000..9454c938ae --- /dev/null +++ b/spec/rubyspec/core/kernel/block_given_spec.rb @@ -0,0 +1,38 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe :kernel_block_given, shared: true do + it "returns true if and only if a block is supplied" do + @object.accept_block {}.should == true + @object.accept_block_as_argument {}.should == true + + @object.accept_block.should == false + @object.accept_block_as_argument.should == false + end + + # Clarify: Based on http://www.ruby-forum.com/topic/137822 it appears + # that Matz wanted this to be true in 1.9. + it "returns false when a method defined by define_method is called with a block" do + @object.defined_block {}.should == false + end +end + +describe "Kernel#block_given?" do + it_behaves_like :kernel_block_given, :block_given?, KernelSpecs::BlockGiven + + it "returns false outside of a method" do + block_given?.should == false + end + + it "is a private method" do + Kernel.should have_private_instance_method(:block_given?) + end +end + +describe "Kernel.block_given?" do + it_behaves_like :kernel_block_given, :block_given?, KernelSpecs::KernelBlockGiven +end + +describe "self.send(:block_given?)" do + it_behaves_like :kernel_block_given, :block_given?, KernelSpecs::SelfBlockGiven +end |