diff options
Diffstat (limited to 'spec/ruby/core/bignum/bit_and_spec.rb')
-rw-r--r-- | spec/ruby/core/bignum/bit_and_spec.rb | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/spec/ruby/core/bignum/bit_and_spec.rb b/spec/ruby/core/bignum/bit_and_spec.rb deleted file mode 100644 index 4bc5c11e1b..0000000000 --- a/spec/ruby/core/bignum/bit_and_spec.rb +++ /dev/null @@ -1,50 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) - -describe "Bignum#&" do - before :each do - @bignum = bignum_value(5) - end - - it "returns self bitwise AND other" do - @bignum = bignum_value(5) - (@bignum & 3).should == 1 - (@bignum & 52).should == 4 - (@bignum & bignum_value(9921)).should == 9223372036854775809 - - ((2*bignum_value) & 1).should == 0 - ((2*bignum_value) & (2*bignum_value)).should == 18446744073709551616 - end - - it "returns self bitwise AND other when one operand is negative" do - ((2*bignum_value) & -1).should == (2*bignum_value) - ((4*bignum_value) & -1).should == (4*bignum_value) - (@bignum & -0xffffffffffffff5).should == 9223372036854775809 - (@bignum & -@bignum).should == 1 - (@bignum & -0x8000000000000000).should == 9223372036854775808 - end - - it "returns self bitwise AND other when both operands are negative" do - (-@bignum & -0x4000000000000005).should == -13835058055282163717 - (-@bignum & -@bignum).should == -9223372036854775813 - (-@bignum & -0x4000000000000000).should == -13835058055282163712 - end - - it "returns self bitwise AND other when both are negative and a multiple in bitsize of Fixnum::MIN" do - val = - ((1 << 93) - 1) - (val & val).should == val - - val = - ((1 << 126) - 1) - (val & val).should == val - end - - it "raises a TypeError when passed a Float" do - lambda { (@bignum & 3.4) }.should raise_error(TypeError) - end - - it "raises a TypeError and does not call #to_int when defined on an object" do - obj = mock("bignum bit and") - obj.should_not_receive(:to_int) - - lambda { @bignum & obj }.should raise_error(TypeError) - end -end |