diff options
Diffstat (limited to 'spec/ruby/core/range/bsearch_spec.rb')
-rw-r--r-- | spec/ruby/core/range/bsearch_spec.rb | 178 |
1 files changed, 88 insertions, 90 deletions
diff --git a/spec/ruby/core/range/bsearch_spec.rb b/spec/ruby/core/range/bsearch_spec.rb index d31c5d5d51..438c7ce314 100644 --- a/spec/ruby/core/range/bsearch_spec.rb +++ b/spec/ruby/core/range/bsearch_spec.rb @@ -215,118 +215,116 @@ describe "Range#bsearch" do end end - ruby_version_is "2.6" do - context "with endless ranges and Integer values" do - context "with a block returning true or false" do - it "returns minimum element if the block returns true for every element" do - eval("(-2..)").bsearch { |x| true }.should == -2 - end + context "with endless ranges and Integer values" do + context "with a block returning true or false" do + it "returns minimum element if the block returns true for every element" do + eval("(-2..)").bsearch { |x| true }.should == -2 + end - it "returns the smallest element for which block returns true" do - eval("(0..)").bsearch { |x| x >= 2 }.should == 2 - eval("(-1..)").bsearch { |x| x >= 1 }.should == 1 - end + it "returns the smallest element for which block returns true" do + eval("(0..)").bsearch { |x| x >= 2 }.should == 2 + eval("(-1..)").bsearch { |x| x >= 1 }.should == 1 end + end - context "with a block returning negative, zero, positive numbers" do - it "returns nil if the block returns less than zero for every element" do - eval("(0..)").bsearch { |x| -1 }.should be_nil - end + context "with a block returning negative, zero, positive numbers" do + it "returns nil if the block returns less than zero for every element" do + eval("(0..)").bsearch { |x| -1 }.should be_nil + end - it "returns nil if the block never returns zero" do - eval("(0..)").bsearch { |x| x > 5 ? -1 : 1 }.should be_nil - end + it "returns nil if the block never returns zero" do + eval("(0..)").bsearch { |x| x > 5 ? -1 : 1 }.should be_nil + end - it "accepts -Float::INFINITY from the block" do - eval("(0..)").bsearch { |x| -Float::INFINITY }.should be_nil - end + it "accepts -Float::INFINITY from the block" do + eval("(0..)").bsearch { |x| -Float::INFINITY }.should be_nil + end - it "returns an element at an index for which block returns 0.0" do - result = eval("(0..)").bsearch { |x| x < 2 ? 1.0 : x > 2 ? -1.0 : 0.0 } - result.should == 2 - end + it "returns an element at an index for which block returns 0.0" do + result = eval("(0..)").bsearch { |x| x < 2 ? 1.0 : x > 2 ? -1.0 : 0.0 } + result.should == 2 + end - it "returns an element at an index for which block returns 0" do - result = eval("(0..)").bsearch { |x| x < 1 ? 1 : x > 3 ? -1 : 0 } - [1, 2, 3].should include(result) - end + it "returns an element at an index for which block returns 0" do + result = eval("(0..)").bsearch { |x| x < 1 ? 1 : x > 3 ? -1 : 0 } + [1, 2, 3].should include(result) end end + end - context "with endless ranges and Float values" do - context "with a block returning true or false" do - it "returns nil if the block returns false for every element" do - eval("(0.1..)").bsearch { |x| x < 0.0 }.should be_nil - eval("(0.1...)").bsearch { |x| x < 0.0 }.should be_nil - end + context "with endless ranges and Float values" do + context "with a block returning true or false" do + it "returns nil if the block returns false for every element" do + eval("(0.1..)").bsearch { |x| x < 0.0 }.should be_nil + eval("(0.1...)").bsearch { |x| x < 0.0 }.should be_nil + end - it "returns nil if the block returns nil for every element" do - eval("(-0.0..)").bsearch { |x| nil }.should be_nil - eval("(-0.0...)").bsearch { |x| nil }.should be_nil - end + it "returns nil if the block returns nil for every element" do + eval("(-0.0..)").bsearch { |x| nil }.should be_nil + eval("(-0.0...)").bsearch { |x| nil }.should be_nil + end - it "returns minimum element if the block returns true for every element" do - eval("(-0.2..)").bsearch { |x| true }.should == -0.2 - eval("(-0.2...)").bsearch { |x| true }.should == -0.2 - end + it "returns minimum element if the block returns true for every element" do + eval("(-0.2..)").bsearch { |x| true }.should == -0.2 + eval("(-0.2...)").bsearch { |x| true }.should == -0.2 + end - it "returns the smallest element for which block returns true" do - eval("(0..)").bsearch { |x| x >= 2 }.should == 2 - eval("(-1.2..)").bsearch { |x| x >= 1 }.should == 1 - end + it "returns the smallest element for which block returns true" do + eval("(0..)").bsearch { |x| x >= 2 }.should == 2 + eval("(-1.2..)").bsearch { |x| x >= 1 }.should == 1 + end - it "works with infinity bounds" do - inf = Float::INFINITY - eval("(inf..)").bsearch { |x| true }.should == inf - eval("(inf...)").bsearch { |x| true }.should == nil - eval("(-inf..)").bsearch { |x| true }.should == -inf - eval("(-inf...)").bsearch { |x| true }.should == -inf - end + it "works with infinity bounds" do + inf = Float::INFINITY + eval("(inf..)").bsearch { |x| true }.should == inf + eval("(inf...)").bsearch { |x| true }.should == nil + eval("(-inf..)").bsearch { |x| true }.should == -inf + eval("(-inf...)").bsearch { |x| true }.should == -inf end + end - context "with a block returning negative, zero, positive numbers" do - it "returns nil if the block returns less than zero for every element" do - eval("(-2.0..)").bsearch { |x| -1 }.should be_nil - eval("(-2.0...)").bsearch { |x| -1 }.should be_nil - end + context "with a block returning negative, zero, positive numbers" do + it "returns nil if the block returns less than zero for every element" do + eval("(-2.0..)").bsearch { |x| -1 }.should be_nil + eval("(-2.0...)").bsearch { |x| -1 }.should be_nil + end - it "returns nil if the block returns greater than zero for every element" do - eval("(0.3..)").bsearch { |x| 1 }.should be_nil - eval("(0.3...)").bsearch { |x| 1 }.should be_nil - end + it "returns nil if the block returns greater than zero for every element" do + eval("(0.3..)").bsearch { |x| 1 }.should be_nil + eval("(0.3...)").bsearch { |x| 1 }.should be_nil + end - it "returns nil if the block never returns zero" do - eval("(0.2..)").bsearch { |x| x < 2 ? 1 : -1 }.should be_nil - end + it "returns nil if the block never returns zero" do + eval("(0.2..)").bsearch { |x| x < 2 ? 1 : -1 }.should be_nil + end - it "accepts (+/-)Float::INFINITY from the block" do - eval("(0.1..)").bsearch { |x| Float::INFINITY }.should be_nil - eval("(-5.0..)").bsearch { |x| -Float::INFINITY }.should be_nil - end + it "accepts (+/-)Float::INFINITY from the block" do + eval("(0.1..)").bsearch { |x| Float::INFINITY }.should be_nil + eval("(-5.0..)").bsearch { |x| -Float::INFINITY }.should be_nil + end - it "returns an element at an index for which block returns 0.0" do - result = eval("(0.0..)").bsearch { |x| x < 2 ? 1.0 : x > 2 ? -1.0 : 0.0 } - result.should == 2 - end + it "returns an element at an index for which block returns 0.0" do + result = eval("(0.0..)").bsearch { |x| x < 2 ? 1.0 : x > 2 ? -1.0 : 0.0 } + result.should == 2 + end - it "returns an element at an index for which block returns 0" do - result = eval("(0.1..)").bsearch { |x| x < 1 ? 1 : x > 3 ? -1 : 0 } - result.should >= 1 - result.should <= 3 - end + it "returns an element at an index for which block returns 0" do + result = eval("(0.1..)").bsearch { |x| x < 1 ? 1 : x > 3 ? -1 : 0 } + result.should >= 1 + result.should <= 3 + end - it "works with infinity bounds" do - inf = Float::INFINITY - eval("(inf..)").bsearch { |x| 1 }.should == nil - eval("(inf...)").bsearch { |x| 1 }.should == nil - eval("(inf..)").bsearch { |x| x == inf ? 0 : 1 }.should == inf - eval("(inf...)").bsearch { |x| x == inf ? 0 : 1 }.should == nil - eval("(-inf..)").bsearch { |x| x == -inf ? 0 : -1 }.should == -inf - eval("(-inf...)").bsearch { |x| x == -inf ? 0 : -1 }.should == -inf - eval("(-inf..)").bsearch { |x| 3 - x }.should == 3 - eval("(-inf...)").bsearch { |x| 3 - x }.should == 3 - eval("(0.0...)").bsearch { 0 }.should != inf - end + it "works with infinity bounds" do + inf = Float::INFINITY + eval("(inf..)").bsearch { |x| 1 }.should == nil + eval("(inf...)").bsearch { |x| 1 }.should == nil + eval("(inf..)").bsearch { |x| x == inf ? 0 : 1 }.should == inf + eval("(inf...)").bsearch { |x| x == inf ? 0 : 1 }.should == nil + eval("(-inf..)").bsearch { |x| x == -inf ? 0 : -1 }.should == -inf + eval("(-inf...)").bsearch { |x| x == -inf ? 0 : -1 }.should == -inf + eval("(-inf..)").bsearch { |x| 3 - x }.should == 3 + eval("(-inf...)").bsearch { |x| 3 - x }.should == 3 + eval("(0.0...)").bsearch { 0 }.should != inf end end end |