diff options
Diffstat (limited to 'spec/ruby/core/range/bsearch_spec.rb')
-rw-r--r-- | spec/ruby/core/range/bsearch_spec.rb | 44 |
1 files changed, 37 insertions, 7 deletions
diff --git a/spec/ruby/core/range/bsearch_spec.rb b/spec/ruby/core/range/bsearch_spec.rb index 9c93671d85..5254ab756c 100644 --- a/spec/ruby/core/range/bsearch_spec.rb +++ b/spec/ruby/core/range/bsearch_spec.rb @@ -9,22 +9,30 @@ describe "Range#bsearch" do it_behaves_like :enumeratorized_with_unknown_size, :bsearch, (1..3) it "raises a TypeError if the block returns an Object" do - -> { (0..1).bsearch { Object.new } }.should raise_error(TypeError) + -> { (0..1).bsearch { Object.new } }.should raise_error(TypeError, "wrong argument type Object (must be numeric, true, false or nil)") end - it "raises a TypeError if the block returns a String" do - -> { (0..1).bsearch { "1" } }.should raise_error(TypeError) + it "raises a TypeError if the block returns a String and boundaries are Integer values" do + -> { (0..1).bsearch { "1" } }.should raise_error(TypeError, "wrong argument type String (must be numeric, true, false or nil)") + end + + it "raises a TypeError if the block returns a String and boundaries are Float values" do + -> { (0.0..1.0).bsearch { "1" } }.should raise_error(TypeError, "wrong argument type String (must be numeric, true, false or nil)") end it "raises a TypeError if the Range has Object values" do value = mock("range bsearch") r = Range.new value, value - -> { r.bsearch { true } }.should raise_error(TypeError) + -> { r.bsearch { true } }.should raise_error(TypeError, "can't do binary search for MockObject") end it "raises a TypeError if the Range has String values" do - -> { ("a".."e").bsearch { true } }.should raise_error(TypeError) + -> { ("a".."e").bsearch { true } }.should raise_error(TypeError, "can't do binary search for String") + end + + it "raises TypeError when non-Numeric begin/end and block not passed" do + -> { ("a".."e").bsearch }.should raise_error(TypeError, "can't do binary search for String") end context "with Integer values" do @@ -94,6 +102,10 @@ describe "Range#bsearch" do (4..2).bsearch { 0 }.should == nil (4..2).bsearch { -1 }.should == nil end + + it "returns enumerator when block not passed" do + (0...3).bsearch.kind_of?(Enumerator).should == true + end end context "with Float values" do @@ -156,7 +168,6 @@ describe "Range#bsearch" do it "returns nil if the block returns greater than zero for every element" do (0.3..3.0).bsearch { |x| x <=> -1 }.should be_nil - end it "returns nil if the block never returns zero" do @@ -213,6 +224,10 @@ describe "Range#bsearch" do (0...inf).bsearch { |x| x >= Float::MAX ? 0 : 1 }.should == Float::MAX end end + + it "returns enumerator when block not passed" do + (0.1...2.3).bsearch.kind_of?(Enumerator).should == true + end end context "with endless ranges and Integer values" do @@ -250,6 +265,10 @@ describe "Range#bsearch" do [1, 2, 3].should include(result) end end + + it "returns enumerator when block not passed" do + eval("(-2..)").bsearch.kind_of?(Enumerator).should == true + end end context "with endless ranges and Float values" do @@ -327,8 +346,11 @@ describe "Range#bsearch" do eval("(0.0...)").bsearch { 0 }.should != inf end end - end + it "returns enumerator when block not passed" do + eval("(0.1..)").bsearch.kind_of?(Enumerator).should == true + end + end context "with beginless ranges and Integer values" do context "with a block returning true or false" do @@ -361,6 +383,10 @@ describe "Range#bsearch" do [1, 2, 3].should include(result) end end + + it "returns enumerator when block not passed" do + (..10).bsearch.kind_of?(Enumerator).should == true + end end context "with beginless ranges and Float values" do @@ -432,5 +458,9 @@ describe "Range#bsearch" do (...inf).bsearch { |x| 3 - x }.should == 3 end end + + it "returns enumerator when block not passed" do + (..-0.1).bsearch.kind_of?(Enumerator).should == true + end end end |