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Diffstat (limited to 'spec/ruby/core/range/shared/cover.rb')
-rw-r--r-- | spec/ruby/core/range/shared/cover.rb | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/spec/ruby/core/range/shared/cover.rb b/spec/ruby/core/range/shared/cover.rb new file mode 100644 index 0000000000..1d9c008a87 --- /dev/null +++ b/spec/ruby/core/range/shared/cover.rb @@ -0,0 +1,93 @@ +# -*- encoding: ascii-8bit -*- +require File.expand_path('../../../../spec_helper', __FILE__) +require File.expand_path('../../fixtures/classes', __FILE__) + +describe :range_cover, shared: true do + it "uses the range element's <=> to make the comparison" do + a = mock('a') + a.should_receive(:<=>).twice.and_return(-1,-1) + (a..'z').send(@method, 'b').should be_true + end + + it "uses a continuous inclusion test" do + ('a'..'f').send(@method, 'aa').should be_true + ('a'..'f').send(@method, 'babe').should be_true + ('a'..'f').send(@method, 'baby').should be_true + ('a'..'f').send(@method, 'ga').should be_false + (-10..-2).send(@method, -2.5).should be_true + end + + describe "on string elements" do + it "returns true if other is matched by element.succ" do + ('a'..'c').send(@method, 'b').should be_true + ('a'...'c').send(@method, 'b').should be_true + end + + it "returns true if other is not matched by element.succ" do + ('a'..'c').send(@method, 'bc').should be_true + ('a'...'c').send(@method, 'bc').should be_true + end + end + + describe "with weird succ" do + describe "when included end value" do + before :each do + @range = RangeSpecs::TenfoldSucc.new(1)..RangeSpecs::TenfoldSucc.new(99) + end + + it "returns false if other is less than first element" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(0)).should be_false + end + + it "returns true if other is equal as first element" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(1)).should be_true + end + + it "returns true if other is matched by element.succ" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(10)).should be_true + end + + it "returns true if other is not matched by element.succ" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(2)).should be_true + end + + it "returns true if other is equal as last element but not matched by element.succ" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(99)).should be_true + end + + it "returns false if other is greater than last element but matched by element.succ" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(100)).should be_false + end + end + + describe "when excluded end value" do + before :each do + @range = RangeSpecs::TenfoldSucc.new(1)...RangeSpecs::TenfoldSucc.new(99) + end + + it "returns false if other is less than first element" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(0)).should be_false + end + + it "returns true if other is equal as first element" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(1)).should be_true + end + + it "returns true if other is matched by element.succ" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(10)).should be_true + end + + it "returns true if other is not matched by element.succ" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(2)).should be_true + end + + it "returns false if other is equal as last element but not matched by element.succ" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(99)).should be_false + end + + it "returns false if other is greater than last element but matched by element.succ" do + @range.send(@method, RangeSpecs::TenfoldSucc.new(100)).should be_false + end + end + end +end |