diff options
Diffstat (limited to 'spec/ruby/core/hash/initialize_spec.rb')
-rw-r--r-- | spec/ruby/core/hash/initialize_spec.rb | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/spec/ruby/core/hash/initialize_spec.rb b/spec/ruby/core/hash/initialize_spec.rb new file mode 100644 index 0000000000..aa943d333d --- /dev/null +++ b/spec/ruby/core/hash/initialize_spec.rb @@ -0,0 +1,40 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Hash#initialize" do + it "is private" do + Hash.should have_private_instance_method("initialize") + end + + it "can be used to reset default_proc" do + h = { "foo" => 1, "bar" => 2 } + h.default_proc.should == nil + h.instance_eval { initialize { |_, k| k * 2 } } + h.default_proc.should_not == nil + h["a"].should == "aa" + end + + it "receives the arguments passed to Hash#new" do + HashSpecs::NewHash.new(:one, :two)[0].should == :one + HashSpecs::NewHash.new(:one, :two)[1].should == :two + end + + it "returns self" do + h = Hash.new + h.send(:initialize).should equal(h) + end + + it "raises a RuntimeError if called on a frozen instance" do + block = lambda { HashSpecs.frozen_hash.instance_eval { initialize() }} + block.should raise_error(RuntimeError) + + block = lambda { HashSpecs.frozen_hash.instance_eval { initialize(nil) } } + block.should raise_error(RuntimeError) + + block = lambda { HashSpecs.frozen_hash.instance_eval { initialize(5) } } + block.should raise_error(RuntimeError) + + block = lambda { HashSpecs.frozen_hash.instance_eval { initialize { 5 } } } + block.should raise_error(RuntimeError) + end +end |