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# -*- encoding: binary -*-
require_relative '../../../spec_helper'
require_relative '../fixtures/classes'
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
describe :range_cover_subrange, shared: true do
context "range argument" do
it "accepts range argument" do
(0..10).send(@method, (3..7)).should be_true
(0..10).send(@method, (3..15)).should be_false
(0..10).send(@method, (-2..7)).should be_false
(1.1..7.9).send(@method, (2.5..6.5)).should be_true
(1.1..7.9).send(@method, (2.5..8.5)).should be_false
(1.1..7.9).send(@method, (0.5..6.5)).should be_false
('c'..'i').send(@method, ('d'..'f')).should be_true
('c'..'i').send(@method, ('d'..'z')).should be_false
('c'..'i').send(@method, ('a'..'f')).should be_false
range_10_100 = RangeSpecs::TenfoldSucc.new(10)..RangeSpecs::TenfoldSucc.new(100)
range_20_90 = RangeSpecs::TenfoldSucc.new(20)..RangeSpecs::TenfoldSucc.new(90)
range_20_110 = RangeSpecs::TenfoldSucc.new(20)..RangeSpecs::TenfoldSucc.new(110)
range_0_90 = RangeSpecs::TenfoldSucc.new(0)..RangeSpecs::TenfoldSucc.new(90)
range_10_100.send(@method, range_20_90).should be_true
range_10_100.send(@method, range_20_110).should be_false
range_10_100.send(@method, range_0_90).should be_false
end
it "supports boundaries of different comparable types" do
(0..10).send(@method, (3.1..7.9)).should be_true
(0..10).send(@method, (3.1..15.9)).should be_false
(0..10).send(@method, (-2.1..7.9)).should be_false
end
it "returns false if types are not comparable" do
(0..10).send(@method, ('a'..'z')).should be_false
(0..10).send(@method, (RangeSpecs::TenfoldSucc.new(0)..RangeSpecs::TenfoldSucc.new(100))).should be_false
end
it "honors exclusion of right boundary (:exclude_end option)" do
# Integer
(0..10).send(@method, (0..10)).should be_true
(0...10).send(@method, (0...10)).should be_true
(0..10).send(@method, (0...10)).should be_true
(0...10).send(@method, (0..10)).should be_false
(0...11).send(@method, (0..10)).should be_true
(0..10).send(@method, (0...11)).should be_true
# Float
(0..10.1).send(@method, (0..10.1)).should be_true
(0...10.1).send(@method, (0...10.1)).should be_true
(0..10.1).send(@method, (0...10.1)).should be_true
(0...10.1).send(@method, (0..10.1)).should be_false
(0...11.1).send(@method, (0..10.1)).should be_true
(0..10.1).send(@method, (0...11.1)).should be_false
end
end
it "allows self to be a beginless range" do
(...10).send(@method, (3..7)).should be_true
(...10).send(@method, (3..15)).should be_false
(..7.9).send(@method, (2.5..6.5)).should be_true
(..7.9).send(@method, (2.5..8.5)).should be_false
(..'i').send(@method, ('d'..'f')).should be_true
(..'i').send(@method, ('d'..'z')).should be_false
end
it "allows self to be a endless range" do
eval("(0...)").send(@method, (3..7)).should be_true
eval("(5...)").send(@method, (3..15)).should be_false
eval("(1.1..)").send(@method, (2.5..6.5)).should be_true
eval("(3.3..)").send(@method, (2.5..8.5)).should be_false
eval("('a'..)").send(@method, ('d'..'f')).should be_true
eval("('p'..)").send(@method, ('d'..'z')).should be_false
end
it "accepts beginless range argument" do
(..10).send(@method, (...10)).should be_true
(0..10).send(@method, (...10)).should be_false
(1.1..7.9).send(@method, (...10.5)).should be_false
('c'..'i').send(@method, (..'i')).should be_false
end
it "accepts endless range argument" do
eval("(0..)").send(@method, eval("(0...)")).should be_true
(0..10).send(@method, eval("(0...)")).should be_false
(1.1..7.9).send(@method, eval("(0.8...)")).should be_false
('c'..'i').send(@method, eval("('a'..)")).should be_false
end
end
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