diff options
Diffstat (limited to 'spec/ruby/core/bignum/multiply_spec.rb')
| -rw-r--r-- | spec/ruby/core/bignum/multiply_spec.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/spec/ruby/core/bignum/multiply_spec.rb b/spec/ruby/core/bignum/multiply_spec.rb new file mode 100644 index 0000000000..486e36ecbc --- /dev/null +++ b/spec/ruby/core/bignum/multiply_spec.rb @@ -0,0 +1,20 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Bignum#*" do + before :each do + @bignum = bignum_value(772) + end + + it "returns self multiplied by the given Integer" do + (@bignum * (1/bignum_value(0xffff).to_f)).should be_close(1.0, TOLERANCE) + (@bignum * (1/bignum_value(0xffff).to_f)).should be_close(1.0, TOLERANCE) + (@bignum * 10).should == 92233720368547765800 + (@bignum * (@bignum - 40)).should == 85070591730234629737795195287525433200 + end + + it "raises a TypeError when given a non-Integer" do + lambda { @bignum * mock('10') }.should raise_error(TypeError) + lambda { @bignum * "10" }.should raise_error(TypeError) + lambda { @bignum * :symbol }.should raise_error(TypeError) + end +end |