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-rw-r--r--spec/ruby/core/fixnum/divide_spec.rb35
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
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+++ b/spec/ruby/core/fixnum/divide_spec.rb
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+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