diff options
Diffstat (limited to 'spec/rubyspec/core/array/pack/w_spec.rb')
-rw-r--r-- | spec/rubyspec/core/array/pack/w_spec.rb | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/spec/rubyspec/core/array/pack/w_spec.rb b/spec/rubyspec/core/array/pack/w_spec.rb new file mode 100644 index 0000000000..9ada3e84cb --- /dev/null +++ b/spec/rubyspec/core/array/pack/w_spec.rb @@ -0,0 +1,42 @@ +# -*- encoding: ascii-8bit -*- +require File.expand_path('../../../../spec_helper', __FILE__) +require File.expand_path('../../fixtures/classes', __FILE__) +require File.expand_path('../shared/basic', __FILE__) +require File.expand_path('../shared/numeric_basic', __FILE__) + +describe "Array#pack with format 'w'" do + it_behaves_like :array_pack_basic, 'w' + it_behaves_like :array_pack_basic_non_float, 'w' + it_behaves_like :array_pack_arguments, 'w' + it_behaves_like :array_pack_numeric_basic, 'w' + + it "encodes a BER-compressed integer" do + [ [[0], "\x00"], + [[1], "\x01"], + [[9999], "\xce\x0f"], + [[2**65], "\x84\x80\x80\x80\x80\x80\x80\x80\x80\x00"] + ].should be_computed_by(:pack, "w") + end + + it "calls #to_int to convert the pack argument to an Integer" do + obj = mock('to_int') + obj.should_receive(:to_int).and_return(5) + [obj].pack("w").should == "\x05" + end + + it "ignores NULL bytes between directives" do + [1, 2, 3].pack("w\x00w").should == "\x01\x02" + end + + it "ignores spaces between directives" do + [1, 2, 3].pack("w w").should == "\x01\x02" + end + + it "raises an ArgumentError when passed a negative value" do + lambda { [-1].pack("w") }.should raise_error(ArgumentError) + end + + it "returns an ASCII-8BIT string" do + [1].pack('w').encoding.should == Encoding::ASCII_8BIT + end +end |