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Diffstat (limited to 'spec/rubyspec/optional/capi/integer_spec.rb')
| -rw-r--r-- | spec/rubyspec/optional/capi/integer_spec.rb | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/spec/rubyspec/optional/capi/integer_spec.rb b/spec/rubyspec/optional/capi/integer_spec.rb deleted file mode 100644 index 9a660cdb5c..0000000000 --- a/spec/rubyspec/optional/capi/integer_spec.rb +++ /dev/null @@ -1,275 +0,0 @@ -# -*- encoding: binary -*- -require File.expand_path('../spec_helper', __FILE__) - -load_extension("integer") - -describe "CApiIntegerSpecs" do - before :each do - @s = CApiIntegerSpecs.new - end - - describe "rb_integer_pack" do - it "converts zero" do - words = "\000" * 9 - result = @s.rb_integer_pack(0, words, 1, 9, 0, - CApiIntegerSpecs::BIG_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == 0 - words.should == "\x00\x00\x00\x00\x00\x00\x00\x00\x00" - end - - describe "without two's complement flag" do - before :each do - @value = 0x9876_abcd_4532_ef01_0123_4567_89ab_cdef - @words = "\000" * 16 - end - - describe "with big endian output" do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 2, 8, 0, - CApiIntegerSpecs::BIG_ENDIAN) - result.should == 1 - @words.should == "\x98\x76\xAB\xCD\x45\x32\xEF\x01\x01\x23\x45\x67\x89\xAB\xCD\xEF" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 2, 8, 0, - CApiIntegerSpecs::BIG_ENDIAN) - result.should == -1 - @words.should == "\x98\x76\xAB\xCD\x45\x32\xEF\x01\x01\x23\x45\x67\x89\xAB\xCD\xEF" - end - - it "converts a negative number exactly -2**(numwords*wordsize*8)" do - result = @s.rb_integer_pack(-2**(2*8*8), @words, 2, 8, 0, - CApiIntegerSpecs::BIG_ENDIAN) - result.should == -2 - @words.should == "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" - end - end - - describe "with little endian output" do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 2, 8, 0, - CApiIntegerSpecs::LITTLE_ENDIAN) - result.should == 1 - @words.should == "\xEF\xCD\xAB\x89\x67\x45\x23\x01\x01\xEF\x32\x45\xCD\xAB\x76\x98" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 2, 8, 0, - CApiIntegerSpecs::LITTLE_ENDIAN) - result.should == -1 - @words.should == "\xEF\xCD\xAB\x89\x67\x45\x23\x01\x01\xEF\x32\x45\xCD\xAB\x76\x98" - end - - it "converts a negative number exactly -2**(numwords*wordsize*8)" do - result = @s.rb_integer_pack(-2**(2*8*8), @words, 2, 8, 0, - CApiIntegerSpecs::LITTLE_ENDIAN) - result.should == -2 - @words.should == "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" - end - end - end - - describe "with two's complement flag" do - describe "with input less than 64 bits" do - before :each do - @value = 0x0123_4567_89ab_cdef - @words = "\000" * 8 - end - - describe "with big endian output" do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 1, 8, 0, - CApiIntegerSpecs::BIG_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == 1 - @words.should == "\x01\x23\x45\x67\x89\xAB\xCD\xEF" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 1, 8, 0, - CApiIntegerSpecs::BIG_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\xFE\xDC\xBA\x98\x76\x54\x32\x11" - end - end - - describe "with little endian output" do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 1, 8, 0, - CApiIntegerSpecs::LITTLE_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == 1 - @words.should == "\xEF\xCD\xAB\x89\x67\x45\x23\x01" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 1, 8, 0, - CApiIntegerSpecs::LITTLE_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\x11\x32\x54\x76\x98\xBA\xDC\xFE" - end - end - - describe "with native endian output" do - big_endian do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 1, 8, 0, - CApiIntegerSpecs::NATIVE|CApiIntegerSpecs::PACK_2COMP) - result.should == 1 - @words.should == "\x01\x23\x45\x67\x89\xAB\xCD\xEF" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 1, 8, 0, - CApiIntegerSpecs::NATIVE|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\xFE\xDC\xBA\x98\x76\x54\x32\x11" - end - end - - little_endian do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 1, 8, 0, - CApiIntegerSpecs::NATIVE|CApiIntegerSpecs::PACK_2COMP) - result.should == 1 - @words.should == "\xEF\xCD\xAB\x89\x67\x45\x23\x01" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 1, 8, 0, - CApiIntegerSpecs::NATIVE|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\x11\x32\x54\x76\x98\xBA\xDC\xFE" - end - end - end - end - - describe "with input greater than 64 bits" do - before :each do - @value = 0x9876_abcd_4532_ef01_0123_4567_89ab_cdef - @words = "\000" * 16 - end - - describe "with big endian output" do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 2, 8, 0, - CApiIntegerSpecs::BIG_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == 1 - @words.should == "\x98\x76\xAB\xCD\x45\x32\xEF\x01\x01\x23\x45\x67\x89\xAB\xCD\xEF" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 2, 8, 0, - CApiIntegerSpecs::BIG_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\x67\x89\x54\x32\xBA\xCD\x10\xFE\xFE\xDC\xBA\x98\x76\x54\x32\x11" - end - - describe "with overflow" do - before :each do - @words = "\000" * 9 - end - - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 1, 9, 0, - CApiIntegerSpecs::BIG_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == 2 - @words.should == "\x01\x01\x23\x45\x67\x89\xAB\xCD\xEF" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 1, 9, 0, - CApiIntegerSpecs::BIG_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == -2 - @words.should == "\xFE\xFE\xDC\xBA\x98\x76\x54\x32\x11" - end - - it "converts a negative number exactly -2**(numwords*wordsize*8)" do - result = @s.rb_integer_pack(-2**(9*8), @words, 1, 9, 0, - CApiIntegerSpecs::BIG_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\x00\x00\x00\x00\x00\x00\x00\x00\x00" - end - end - end - - describe "with little endian output" do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 2, 8, 0, - CApiIntegerSpecs::LITTLE_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == 1 - @words.should == "\xEF\xCD\xAB\x89\x67\x45\x23\x01\x01\xEF\x32\x45\xCD\xAB\x76\x98" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 2, 8, 0, - CApiIntegerSpecs::LITTLE_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\x11\x32\x54\x76\x98\xBA\xDC\xFE\xFE\x10\xCD\xBA\x32\x54\x89\x67" - end - - describe "with overflow" do - before :each do - @words = "\000" * 9 - end - - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 1, 9, 0, - CApiIntegerSpecs::LITTLE_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == 2 - @words.should == "\xEF\xCD\xAB\x89\x67\x45\x23\x01\x01" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 1, 9, 0, - CApiIntegerSpecs::LITTLE_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == -2 - @words.should == "\x11\x32\x54\x76\x98\xBA\xDC\xFE\xFE" - end - - it "converts a negative number exactly -2**(numwords*wordsize*8)" do - result = @s.rb_integer_pack(-2**(9*8), @words, 1, 9, 0, - CApiIntegerSpecs::LITTLE_ENDIAN|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\x00\x00\x00\x00\x00\x00\x00\x00\x00" - end - end - end - - describe "with native endian output" do - big_endian do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 1, 16, 0, - CApiIntegerSpecs::NATIVE|CApiIntegerSpecs::PACK_2COMP) - result.should == 1 - @words.should == "\x98\x76\xAB\xCD\x45\x32\xEF\x01\x01\x23\x45\x67\x89\xAB\xCD\xEF" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 1, 16, 0, - CApiIntegerSpecs::NATIVE|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\x67\x89\x54\x32\xBA\xCD\x10\xFE\xFE\xDC\xBA\x98\x76\x54\x32\x11" - end - end - - little_endian do - it "converts a positive number" do - result = @s.rb_integer_pack(@value, @words, 1, 16, 0, - CApiIntegerSpecs::NATIVE|CApiIntegerSpecs::PACK_2COMP) - result.should == 1 - @words.should == "\xEF\xCD\xAB\x89\x67\x45\x23\x01\x01\xEF\x32\x45\xCD\xAB\x76\x98" - end - - it "converts a negative number" do - result = @s.rb_integer_pack(-@value, @words, 1, 16, 0, - CApiIntegerSpecs::NATIVE|CApiIntegerSpecs::PACK_2COMP) - result.should == -1 - @words.should == "\x11\x32\x54\x76\x98\xBA\xDC\xFE\xFE\x10\xCD\xBA\x32\x54\x89\x67" - end - end - end - end - end - end -end |
