diff options
Diffstat (limited to 'spec/ruby/core/range/size_spec.rb')
-rw-r--r-- | spec/ruby/core/range/size_spec.rb | 85 |
1 files changed, 68 insertions, 17 deletions
diff --git a/spec/ruby/core/range/size_spec.rb b/spec/ruby/core/range/size_spec.rb index 0019c5ff00..a1fe3ce17d 100644 --- a/spec/ruby/core/range/size_spec.rb +++ b/spec/ruby/core/range/size_spec.rb @@ -4,42 +4,93 @@ describe "Range#size" do it "returns the number of elements in the range" do (1..16).size.should == 16 (1...16).size.should == 15 - - (1.0..16.0).size.should == 16 - (1.0...16.0).size.should == 15 - (1.0..15.9).size.should == 15 - (1.1..16.0).size.should == 15 - (1.1..15.9).size.should == 15 end it "returns 0 if last is less than first" do (16..0).size.should == 0 - (16.0..0.0).size.should == 0 - (Float::INFINITY..0).size.should == 0 end it 'returns Float::INFINITY for increasing, infinite ranges' do (0..Float::INFINITY).size.should == Float::INFINITY - (-Float::INFINITY..0).size.should == Float::INFINITY - (-Float::INFINITY..Float::INFINITY).size.should == Float::INFINITY end it 'returns Float::INFINITY for endless ranges if the start is numeric' do eval("(1..)").size.should == Float::INFINITY - eval("(0.5...)").size.should == Float::INFINITY end it 'returns nil for endless ranges if the start is not numeric' do eval("('z'..)").size.should == nil - eval("([]...)").size.should == nil end - ruby_version_is "2.7" do + ruby_version_is ""..."3.2" do it 'returns Float::INFINITY for all beginless ranges' do - eval("(..1)").size.should == Float::INFINITY - eval("(...0.5)").size.should == Float::INFINITY - eval("(..nil)").size.should == Float::INFINITY - eval("(...'o')").size.should == Float::INFINITY + (..1).size.should == Float::INFINITY + (...0.5).size.should == Float::INFINITY + (..nil).size.should == Float::INFINITY + (...'o').size.should == Float::INFINITY + end + end + + ruby_version_is "3.2"..."3.4" do + it 'returns Float::INFINITY for all beginless ranges if the end is numeric' do + (..1).size.should == Float::INFINITY + (...0.5).size.should == Float::INFINITY + end + + it 'returns nil for all beginless ranges if the end is not numeric' do + (...'o').size.should == nil + end + + it 'returns nil if the start and the end is both nil' do + (nil..nil).size.should == nil + end + end + + ruby_version_is ""..."3.4" do + it "returns the number of elements in the range" do + (1.0..16.0).size.should == 16 + (1.0...16.0).size.should == 15 + (1.0..15.9).size.should == 15 + (1.1..16.0).size.should == 15 + (1.1..15.9).size.should == 15 + end + + it "returns 0 if last is less than first" do + (16.0..0.0).size.should == 0 + (Float::INFINITY..0).size.should == 0 + end + + it 'returns Float::INFINITY for increasing, infinite ranges' do + (-Float::INFINITY..0).size.should == Float::INFINITY + (-Float::INFINITY..Float::INFINITY).size.should == Float::INFINITY + end + + it 'returns Float::INFINITY for endless ranges if the start is numeric' do + eval("(0.5...)").size.should == Float::INFINITY + end + + it 'returns nil for endless ranges if the start is not numeric' do + eval("([]...)").size.should == nil + end + end + + ruby_version_is "3.4" do + it 'raises TypeError if a range is not iterable' do + -> { (1.0..16.0).size }.should raise_error(TypeError, /can't iterate from/) + -> { (1.0...16.0).size }.should raise_error(TypeError, /can't iterate from/) + -> { (1.0..15.9).size }.should raise_error(TypeError, /can't iterate from/) + -> { (1.1..16.0).size }.should raise_error(TypeError, /can't iterate from/) + -> { (1.1..15.9).size }.should raise_error(TypeError, /can't iterate from/) + -> { (16.0..0.0).size }.should raise_error(TypeError, /can't iterate from/) + -> { (Float::INFINITY..0).size }.should raise_error(TypeError, /can't iterate from/) + -> { (-Float::INFINITY..0).size }.should raise_error(TypeError, /can't iterate from/) + -> { (-Float::INFINITY..Float::INFINITY).size }.should raise_error(TypeError, /can't iterate from/) + -> { (..1).size }.should raise_error(TypeError, /can't iterate from/) + -> { (...0.5).size }.should raise_error(TypeError, /can't iterate from/) + -> { (..nil).size }.should raise_error(TypeError, /can't iterate from/) + -> { (...'o').size }.should raise_error(TypeError, /can't iterate from/) + -> { eval("(0.5...)").size }.should raise_error(TypeError, /can't iterate from/) + -> { eval("([]...)").size }.should raise_error(TypeError, /can't iterate from/) end end |