add core/fixnum/divide spec

This commit is contained in:
Laurent Sansonetti
2014-04-20 01:19:02 +02:00
parent 87f72af8e8
commit 5ccbcde97f

View File

@@ -0,0 +1,39 @@
class Core_Fixnum_Divide_Mock1 < Java::Lang::Object
def to_int
10
end
end
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 = Core_Fixnum_Divide_Mock1.new
13 / obj
}.should raise_error(TypeError)
lambda { 13 / "10" }.should raise_error(TypeError)
lambda { 13 / :symbol }.should raise_error(TypeError)
end
end