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Diffstat (limited to 'spec/ruby/core/fixnum/element_reference_spec.rb')
-rw-r--r-- | spec/ruby/core/fixnum/element_reference_spec.rb | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/spec/ruby/core/fixnum/element_reference_spec.rb b/spec/ruby/core/fixnum/element_reference_spec.rb deleted file mode 100644 index 736e8a549b..0000000000 --- a/spec/ruby/core/fixnum/element_reference_spec.rb +++ /dev/null @@ -1,80 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) - -describe "Fixnum#[]" do - it "behaves like (n >> b) & 1" do - 0b101[1].should == 0 - 0b101[2].should == 1 - end - - it "returns 1 if the nth bit is set" do - 15[1].should == 1 - end - - it "returns 1 if the nth bit is set (in two's-complement representation)" do - (-1)[1].should == 1 - end - - it "returns 0 if the nth bit is not set" do - 8[2].should == 0 - end - - it "returns 0 if the nth bit is not set (in two's-complement representation)" do - (-2)[0].should == 0 - end - - it "returns 0 if the nth bit is greater than the most significant bit" do - 2[3].should == 0 - end - - it "returns 1 if self is negative and the nth bit is greater than the most significant bit" do - (-1)[3].should == 1 - end - - it "returns 0 when passed a negative argument" do - 3[-1].should == 0 - (-1)[-1].should == 0 - end - - it "calls #to_int to convert the argument to an Integer and returns 1 if the nth bit is set" do - obj = mock('1') - obj.should_receive(:to_int).and_return(1) - - 2[obj].should == 1 - end - - it "calls #to_int to convert the argument to an Integer and returns 0 if the nth bit is set" do - obj = mock('0') - obj.should_receive(:to_int).and_return(0) - - 2[obj].should == 0 - end - - it "accepts a Float argument and returns 0 if the bit at the truncated value is not set" do - 13[1.3].should == 0 - end - - it "accepts a Float argument and returns 1 if the bit at the truncated value is set" do - 13[2.1].should == 1 - end - - it "raises a TypeError when passed a String" do - lambda { 3["3"] }.should raise_error(TypeError) - end - - it "raises a TypeError when #to_int does not return an Integer" do - obj = mock('asdf') - obj.should_receive(:to_int).and_return("asdf") - lambda { 3[obj] }.should raise_error(TypeError) - end - - it "calls #to_int to coerce a String to a Bignum and returns 0" do - obj = mock('bignum value') - obj.should_receive(:to_int).and_return(bignum_value) - - 3[obj].should == 0 - end - - it "returns 0 when passed a Float in the range of a Bignum" do - 3[bignum_value.to_f].should == 0 - end -end |