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-rw-r--r--spec/ruby/core/comparable/between_spec.rb25
-rw-r--r--spec/ruby/core/comparable/clamp_spec.rb223
-rw-r--r--spec/ruby/core/comparable/equal_value_spec.rb114
-rw-r--r--spec/ruby/core/comparable/fixtures/classes.rb37
-rw-r--r--spec/ruby/core/comparable/gt_spec.rb43
-rw-r--r--spec/ruby/core/comparable/gte_spec.rb47
-rw-r--r--spec/ruby/core/comparable/lt_spec.rb49
-rw-r--r--spec/ruby/core/comparable/lte_spec.rb46
8 files changed, 584 insertions, 0 deletions
diff --git a/spec/ruby/core/comparable/between_spec.rb b/spec/ruby/core/comparable/between_spec.rb
new file mode 100644
index 0000000000..fd79bb9b4c
--- /dev/null
+++ b/spec/ruby/core/comparable/between_spec.rb
@@ -0,0 +1,25 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Comparable#between?" do
+ it "returns true if self is greater than or equal to the first and less than or equal to the second argument" do
+ a = ComparableSpecs::Weird.new(-1)
+ b = ComparableSpecs::Weird.new(0)
+ c = ComparableSpecs::Weird.new(1)
+ d = ComparableSpecs::Weird.new(2)
+
+ a.between?(a, a).should == true
+ a.between?(a, b).should == true
+ a.between?(a, c).should == true
+ a.between?(a, d).should == true
+ c.between?(c, d).should == true
+ d.between?(d, d).should == true
+ c.between?(a, d).should == true
+
+ a.between?(b, b).should == false
+ a.between?(b, c).should == false
+ a.between?(b, d).should == false
+ c.between?(a, a).should == false
+ c.between?(a, b).should == false
+ end
+end
diff --git a/spec/ruby/core/comparable/clamp_spec.rb b/spec/ruby/core/comparable/clamp_spec.rb
new file mode 100644
index 0000000000..eb1dc1ff98
--- /dev/null
+++ b/spec/ruby/core/comparable/clamp_spec.rb
@@ -0,0 +1,223 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe 'Comparable#clamp' do
+ it 'raises an Argument error unless the 2 parameters are correctly ordered' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(3)
+
+ -> { c.clamp(two, one) }.should.raise(ArgumentError)
+ one.should_receive(:<=>).any_number_of_times.and_return(nil)
+ -> { c.clamp(one, two) }.should.raise(ArgumentError)
+ end
+
+ it 'returns self if within the given parameters' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ three = ComparableSpecs::WithOnlyCompareDefined.new(3)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(one, two).should.equal?(c)
+ c.clamp(two, two).should.equal?(c)
+ c.clamp(one, three).should.equal?(c)
+ c.clamp(two, three).should.equal?(c)
+ end
+
+ it 'returns the min parameter if less than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(0)
+
+ c.clamp(one, two).should.equal?(one)
+ end
+
+ it 'returns the max parameter if greater than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(3)
+
+ c.clamp(one, two).should.equal?(two)
+ end
+
+ context 'max is nil' do
+ it 'returns min if less than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(0)
+ c.clamp(one, nil).should.equal?(one)
+ end
+
+ it 'always returns self if greater than min' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(2)
+ c.clamp(one, nil).should.equal?(c)
+ end
+ end
+
+ context 'min is nil' do
+ it 'returns max if greater than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(2)
+ c.clamp(nil, one).should.equal?(one)
+ end
+
+ it 'always returns self if less than max' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(0)
+ c.clamp(nil, one).should.equal?(c)
+ end
+ end
+
+ it 'always returns self when min is nil and max is nil' do
+ c = ComparableSpecs::Weird.new(1)
+ c.clamp(nil, nil).should.equal?(c)
+ end
+
+ it 'returns self if within the given range parameters' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ three = ComparableSpecs::WithOnlyCompareDefined.new(3)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(one..two).should.equal?(c)
+ c.clamp(two..two).should.equal?(c)
+ c.clamp(one..three).should.equal?(c)
+ c.clamp(two..three).should.equal?(c)
+ end
+
+ it 'returns the minimum value of the range parameters if less than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(0)
+
+ c.clamp(one..two).should.equal?(one)
+ end
+
+ it 'returns the maximum value of the range parameters if greater than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(3)
+
+ c.clamp(one..two).should.equal?(two)
+ end
+
+ it 'raises an Argument error if the range parameter is exclusive' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(3)
+
+ -> { c.clamp(one...two) }.should.raise(ArgumentError)
+ end
+
+ context 'with nil as the max argument' do
+ it 'returns min argument if less than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ zero = ComparableSpecs::WithOnlyCompareDefined.new(0)
+ c = ComparableSpecs::Weird.new(0)
+
+ c.clamp(one, nil).should.equal?(one)
+ c.clamp(zero, nil).should.equal?(c)
+ end
+
+ it 'always returns self if greater than min argument' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(one, nil).should.equal?(c)
+ c.clamp(two, nil).should.equal?(c)
+ end
+ end
+
+ context 'with endless range' do
+ it 'returns minimum value of the range parameters if less than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ zero = ComparableSpecs::WithOnlyCompareDefined.new(0)
+ c = ComparableSpecs::Weird.new(0)
+
+ c.clamp(one..).should.equal?(one)
+ c.clamp(zero..).should.equal?(c)
+ end
+
+ it 'always returns self if greater than minimum value of the range parameters' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ two = ComparableSpecs::WithOnlyCompareDefined.new(2)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(one..).should.equal?(c)
+ c.clamp(two..).should.equal?(c)
+ end
+
+ it 'works with exclusive range' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(one...).should.equal?(c)
+ end
+ end
+
+ context 'with nil as the min argument' do
+ it 'returns max argument if greater than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(nil, one).should.equal?(one)
+ end
+
+ it 'always returns self if less than max argument' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ zero = ComparableSpecs::WithOnlyCompareDefined.new(0)
+ c = ComparableSpecs::Weird.new(0)
+
+ c.clamp(nil, one).should.equal?(c)
+ c.clamp(nil, zero).should.equal?(c)
+ end
+ end
+
+ context 'with beginless range' do
+ it 'returns maximum value of the range parameters if greater than it' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(..one).should.equal?(one)
+ end
+
+ it 'always returns self if less than maximum value of the range parameters' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ zero = ComparableSpecs::WithOnlyCompareDefined.new(0)
+ c = ComparableSpecs::Weird.new(0)
+
+ c.clamp(..one).should.equal?(c)
+ c.clamp(..zero).should.equal?(c)
+ end
+
+ it 'raises an Argument error if the range parameter is exclusive' do
+ one = ComparableSpecs::WithOnlyCompareDefined.new(1)
+ c = ComparableSpecs::Weird.new(0)
+
+ -> { c.clamp(...one) }.should.raise(ArgumentError)
+ end
+ end
+
+ context 'with nil as the min and the max argument' do
+ it 'always returns self' do
+ c = ComparableSpecs::Weird.new(1)
+
+ c.clamp(nil, nil).should.equal?(c)
+ end
+ end
+
+ context 'with beginless-and-endless range' do
+ it 'always returns self' do
+ c = ComparableSpecs::Weird.new(1)
+
+ c.clamp(nil..nil).should.equal?(c)
+ end
+
+ it 'works with exclusive range' do
+ c = ComparableSpecs::Weird.new(2)
+
+ c.clamp(nil...nil).should.equal?(c)
+ end
+ end
+end
diff --git a/spec/ruby/core/comparable/equal_value_spec.rb b/spec/ruby/core/comparable/equal_value_spec.rb
new file mode 100644
index 0000000000..3af40d1c7e
--- /dev/null
+++ b/spec/ruby/core/comparable/equal_value_spec.rb
@@ -0,0 +1,114 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Comparable#==" do
+ a = b = nil
+ before :each do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(10)
+ end
+
+ it "returns true if other is the same as self" do
+ (a == a).should == true
+ (b == b).should == true
+ end
+
+ it "calls #<=> on self with other and returns true if #<=> returns 0" do
+ a.should_receive(:<=>).once.and_return(0)
+ (a == b).should == true
+ end
+
+ it "calls #<=> on self with other and returns true if #<=> returns 0.0" do
+ a.should_receive(:<=>).once.and_return(0.0)
+ (a == b).should == true
+ end
+
+ it "returns false if calling #<=> on self returns a positive Integer" do
+ a.should_receive(:<=>).once.and_return(1)
+ (a == b).should == false
+ end
+
+ it "returns false if calling #<=> on self returns a negative Integer" do
+ a.should_receive(:<=>).once.and_return(-1)
+ (a == b).should == false
+ end
+
+ context "when #<=> returns nil" do
+ before :each do
+ a.should_receive(:<=>).once.and_return(nil)
+ end
+
+ it "returns false" do
+ (a == b).should == false
+ end
+ end
+
+ context "when #<=> returns nor nil neither an Integer" do
+ before :each do
+ a.should_receive(:<=>).once.and_return("abc")
+ end
+
+ it "raises an ArgumentError" do
+ -> { (a == b) }.should.raise(ArgumentError)
+ end
+ end
+
+ context "when #<=> raises an exception" do
+ context "if it is a StandardError" do
+ before :each do
+ a.should_receive(:<=>).once.and_raise(StandardError)
+ end
+
+ it "lets it go through" do
+ -> { (a == b) }.should.raise(StandardError)
+ end
+ end
+
+ context "if it is a subclass of StandardError" do
+ # TypeError < StandardError
+ before :each do
+ a.should_receive(:<=>).once.and_raise(TypeError)
+ end
+
+ it "lets it go through" do
+ -> { (a == b) }.should.raise(TypeError)
+ end
+ end
+
+ it "lets it go through if it is not a StandardError" do
+ a.should_receive(:<=>).once.and_raise(Exception)
+ -> { (a == b) }.should.raise(Exception)
+ end
+ end
+
+ context "when #<=> is not defined" do
+ before :each do
+ @a = ComparableSpecs::WithoutCompareDefined.new
+ @b = ComparableSpecs::WithoutCompareDefined.new
+ end
+
+ it "returns true for identical objects" do
+ @a.should == @a
+ end
+
+ it "returns false and does not recurse infinitely" do
+ @a.should_not == @b
+ end
+ end
+
+ context "when #<=> calls super" do
+ before :each do
+ @a = ComparableSpecs::CompareCallingSuper.new
+ @b = ComparableSpecs::CompareCallingSuper.new
+ end
+
+ it "returns true for identical objects" do
+ @a.should == @a
+ end
+
+ it "calls the defined #<=> only once for different objects" do
+ @a.should_not == @b
+ @a.calls.should == 1
+ end
+ end
+end
diff --git a/spec/ruby/core/comparable/fixtures/classes.rb b/spec/ruby/core/comparable/fixtures/classes.rb
new file mode 100644
index 0000000000..2bdabbf014
--- /dev/null
+++ b/spec/ruby/core/comparable/fixtures/classes.rb
@@ -0,0 +1,37 @@
+module ComparableSpecs
+ class WithOnlyCompareDefined
+ attr_reader :value
+
+ def initialize(value)
+ @value = value
+ end
+
+ def <=>(other)
+ return nil if other.nil?
+ self.value <=> other.value
+ end
+ end
+
+ class Weird < WithOnlyCompareDefined
+ include Comparable
+ end
+
+ class WithoutCompareDefined
+ include Comparable
+ end
+
+ class CompareCallingSuper
+ include Comparable
+
+ attr_reader :calls
+
+ def initialize
+ @calls = 0
+ end
+
+ def <=>(other)
+ @calls += 1
+ super(other)
+ end
+ end
+end
diff --git a/spec/ruby/core/comparable/gt_spec.rb b/spec/ruby/core/comparable/gt_spec.rb
new file mode 100644
index 0000000000..cebb5464ad
--- /dev/null
+++ b/spec/ruby/core/comparable/gt_spec.rb
@@ -0,0 +1,43 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Comparable#>" do
+ it "calls #<=> on self with other and returns true if #<=> returns any Integer greater than 0" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(20)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(1)
+ (a > b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0.1)
+ (a > b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(10000000)
+ (a > b).should == true
+ end
+
+ it "returns false if calling #<=> on self returns 0 or any Integer less than 0" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(10)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0)
+ (a > b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0.0)
+ (a > b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-1.0)
+ (a > b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-10000000)
+ (a > b).should == false
+ end
+
+ it "raises an ArgumentError if calling #<=> on self returns nil" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(20)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(nil)
+ -> { (a > b) }.should.raise(ArgumentError)
+ end
+end
diff --git a/spec/ruby/core/comparable/gte_spec.rb b/spec/ruby/core/comparable/gte_spec.rb
new file mode 100644
index 0000000000..16da81b3ea
--- /dev/null
+++ b/spec/ruby/core/comparable/gte_spec.rb
@@ -0,0 +1,47 @@
+require_relative 'fixtures/classes'
+require_relative '../../spec_helper'
+
+describe "Comparable#>=" do
+ it "calls #<=> on self with other and returns true if #<=> returns 0 or any Integer greater than 0" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(20)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0)
+ (a >= b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0.0)
+ (a >= b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(1)
+ (a >= b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0.1)
+ (a >= b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(10000000)
+ (a >= b).should == true
+ end
+
+ it "returns false if calling #<=> on self returns any Integer less than 0" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(10)
+
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-0.1)
+ (a >= b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-1.0)
+ (a >= b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-10000000)
+ (a >= b).should == false
+ end
+
+ it "raises an ArgumentError if calling #<=> on self returns nil" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(20)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(nil)
+ -> { (a >= b) }.should.raise(ArgumentError)
+ end
+end
diff --git a/spec/ruby/core/comparable/lt_spec.rb b/spec/ruby/core/comparable/lt_spec.rb
new file mode 100644
index 0000000000..175646d0d7
--- /dev/null
+++ b/spec/ruby/core/comparable/lt_spec.rb
@@ -0,0 +1,49 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Comparable#<" do
+ it "calls #<=> on self with other and returns true if #<=> returns any Integer less than 0" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(20)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-1)
+ (a < b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-0.1)
+ (a < b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-10000000)
+ (a < b).should == true
+ end
+
+ it "returns false if calling #<=> on self returns 0 or any Integer greater than 0" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(10)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0)
+ (a < b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0.0)
+ (a < b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(1.0)
+ (a < b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(10000000)
+ (a < b).should == false
+ end
+
+ it "raises an ArgumentError if calling #<=> on self returns nil" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(20)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(nil)
+ -> { (a < b) }.should.raise(ArgumentError)
+ end
+
+ it "raises an argument error with a message containing the value" do
+ -> { ("foo" < 7) }.should.raise(ArgumentError) { |e|
+ e.message.should.include? "String with 7 failed"
+ }
+ end
+end
diff --git a/spec/ruby/core/comparable/lte_spec.rb b/spec/ruby/core/comparable/lte_spec.rb
new file mode 100644
index 0000000000..8cbbd5ebb4
--- /dev/null
+++ b/spec/ruby/core/comparable/lte_spec.rb
@@ -0,0 +1,46 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+describe "Comparable#<=" do
+ it "calls #<=> on self with other and returns true if #<=> returns 0 or any Integer less than 0" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(20)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0)
+ (a <= b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0.0)
+ (a <= b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-1)
+ (a <= b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-0.1)
+ (a <= b).should == true
+
+ a.should_receive(:<=>).any_number_of_times.and_return(-10000000)
+ (a <= b).should == true
+ end
+
+ it "returns false if calling #<=> on self returns any Integer greater than 0" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(10)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(0.1)
+ (a <= b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(1.0)
+ (a <= b).should == false
+
+ a.should_receive(:<=>).any_number_of_times.and_return(10000000)
+ (a <= b).should == false
+ end
+
+ it "raises an ArgumentError if calling #<=> on self returns nil" do
+ a = ComparableSpecs::Weird.new(0)
+ b = ComparableSpecs::Weird.new(20)
+
+ a.should_receive(:<=>).any_number_of_times.and_return(nil)
+ -> { (a <= b) }.should.raise(ArgumentError)
+ end
+end
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-03 18:23:44 +0000