diff options
Diffstat (limited to 'spec/rubyspec/core/array/bsearch_index_spec.rb')
-rw-r--r-- | spec/rubyspec/core/array/bsearch_index_spec.rb | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/spec/rubyspec/core/array/bsearch_index_spec.rb b/spec/rubyspec/core/array/bsearch_index_spec.rb deleted file mode 100644 index 1ed11876b4..0000000000 --- a/spec/rubyspec/core/array/bsearch_index_spec.rb +++ /dev/null @@ -1,87 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../../enumerable/shared/enumeratorized', __FILE__) - -ruby_version_is "2.3" do - describe "Array#bsearch_index" do - context "when not passed a block" do - before :each do - @enum = [1, 2, 42, 100, 666].bsearch_index - end - - it "returns an Enumerator" do - @enum.should be_an_instance_of(Enumerator) - end - - it "returns an Enumerator with unknown size" do - @enum.size.should be_nil - end - - it "returns index of element when block condition is satisfied" do - @enum.each { |x| x >= 33 }.should == 2 - end - end - - it "raises a TypeError when block returns a String" do - lambda { [1, 2, 3].bsearch_index { "not ok" } }.should raise_error(TypeError) - end - - it "returns nil when block is empty" do - [1, 2, 3].bsearch_index {}.should be_nil - end - - context "minimum mode" do - before :each do - @array = [0, 4, 7, 10, 12] - end - - it "returns index of first element which satisfies the block" do - @array.bsearch_index { |x| x >= 4 }.should == 1 - @array.bsearch_index { |x| x >= 6 }.should == 2 - @array.bsearch_index { |x| x >= -1 }.should == 0 - end - - it "returns nil when block condition is never satisfied" do - @array.bsearch_index { false }.should be_nil - @array.bsearch_index { |x| x >= 100 }.should be_nil - end - end - - context "find any mode" do - before :each do - @array = [0, 4, 7, 10, 12] - end - - it "returns the index of any matched elements where element is between 4 <= x < 8" do - [1, 2].should include(@array.bsearch_index { |x| 1 - x / 4 }) - end - - it "returns the index of any matched elements where element is between 8 <= x < 10" do - @array.bsearch_index { |x| 4 - x / 2 }.should be_nil - end - - it "returns nil when block never returns 0" do - @array.bsearch_index { |x| 1 }.should be_nil - @array.bsearch_index { |x| -1 }.should be_nil - end - - it "returns the middle element when block always returns zero" do - @array.bsearch_index { |x| 0 }.should == 2 - end - - context "magnitude does not effect the result" do - it "returns the index of any matched elements where element is between 4n <= xn < 8n" do - [1, 2].should include(@array.bsearch_index { |x| (1 - x / 4) * (2**100) }) - end - - it "returns nil when block never returns 0" do - @array.bsearch_index { |x| 1 * (2**100) }.should be_nil - @array.bsearch_index { |x| (-1) * (2**100) }.should be_nil - end - - it "handles values from Bignum#coerce" do - [1, 2].should include(@array.bsearch_index { |x| (2**100).coerce((1 - x / 4) * (2**100)).first }) - end - end - end - end -end |