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Diffstat (limited to 'spec/ruby/core/fixnum/divide_spec.rb')
-rw-r--r-- | spec/ruby/core/fixnum/divide_spec.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/spec/ruby/core/fixnum/divide_spec.rb b/spec/ruby/core/fixnum/divide_spec.rb new file mode 100644 index 0000000000..1e7c17e58f --- /dev/null +++ b/spec/ruby/core/fixnum/divide_spec.rb @@ -0,0 +1,35 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Fixnum#/" do + it "returns self divided by the given argument" do + (2 / 2).should == 1 + (3 / 2).should == 1 + end + + it "supports dividing negative numbers" do + (-1 / 10).should == -1 + end + + it "raises a ZeroDivisionError if the given argument is zero and not a Float" do + lambda { 1 / 0 }.should raise_error(ZeroDivisionError) + end + + it "does NOT raise ZeroDivisionError if the given argument is zero and is a Float" do + (1 / 0.0).to_s.should == 'Infinity' + (-1 / 0.0).to_s.should == '-Infinity' + end + + it "coerces fixnum and return self divided by other" do + (-1 / 50.4).should be_close(-0.0198412698412698, TOLERANCE) + (1 / bignum_value).should == 0 + end + + it "raises a TypeError when given a non-Integer" do + lambda { + (obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10) + 13 / obj + }.should raise_error(TypeError) + lambda { 13 / "10" }.should raise_error(TypeError) + lambda { 13 / :symbol }.should raise_error(TypeError) + end +end |