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-rw-r--r--spec/ruby/core/method/compose_spec.rb134
1 files changed, 66 insertions, 68 deletions
diff --git a/spec/ruby/core/method/compose_spec.rb b/spec/ruby/core/method/compose_spec.rb
index 0743dd4f8d..87cf61f7ad 100644
--- a/spec/ruby/core/method/compose_spec.rb
+++ b/spec/ruby/core/method/compose_spec.rb
@@ -2,101 +2,99 @@ require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative '../proc/shared/compose'
-ruby_version_is "2.6" do
- describe "Method#<<" do
- it "returns a Proc that is the composition of self and the passed Proc" do
- succ = MethodSpecs::Composition.new.method(:succ)
- upcase = proc { |s| s.upcase }
+describe "Method#<<" do
+ it "returns a Proc that is the composition of self and the passed Proc" do
+ succ = MethodSpecs::Composition.new.method(:succ)
+ upcase = proc { |s| s.upcase }
- (succ << upcase).call('Ruby').should == "RUBZ"
- end
+ (succ << upcase).call('Ruby').should == "RUBZ"
+ end
- it "calls passed Proc with arguments and then calls self with result" do
- pow_2_proc = proc { |x| x * x }
- double_proc = proc { |x| x + x }
+ it "calls passed Proc with arguments and then calls self with result" do
+ pow_2_proc = proc { |x| x * x }
+ double_proc = proc { |x| x + x }
- pow_2_method = MethodSpecs::Composition.new.method(:pow_2)
- double_method = MethodSpecs::Composition.new.method(:double)
+ pow_2_method = MethodSpecs::Composition.new.method(:pow_2)
+ double_method = MethodSpecs::Composition.new.method(:double)
- (pow_2_method << double_proc).call(2).should == 16
- (double_method << pow_2_proc).call(2).should == 8
- end
+ (pow_2_method << double_proc).call(2).should == 16
+ (double_method << pow_2_proc).call(2).should == 8
+ end
- it "accepts any callable object" do
- inc = MethodSpecs::Composition.new.method(:inc)
+ it "accepts any callable object" do
+ inc = MethodSpecs::Composition.new.method(:inc)
- double = Object.new
- def double.call(n); n * 2; end
+ double = Object.new
+ def double.call(n); n * 2; end
- (inc << double).call(3).should == 7
- end
+ (inc << double).call(3).should == 7
+ end
- it_behaves_like :proc_compose, :<<, -> { MethodSpecs::Composition.new.method(:upcase) }
+ it_behaves_like :proc_compose, :<<, -> { MethodSpecs::Composition.new.method(:upcase) }
- describe "composition" do
- it "is a lambda" do
- pow_2 = MethodSpecs::Composition.new.method(:pow_2)
- double = proc { |x| x + x }
+ describe "composition" do
+ it "is a lambda" do
+ pow_2 = MethodSpecs::Composition.new.method(:pow_2)
+ double = proc { |x| x + x }
- (pow_2 << double).is_a?(Proc).should == true
- ruby_version_is(''...'3.0') { (pow_2 << double).should.lambda? }
- ruby_version_is('3.0') { (pow_2 << double).should_not.lambda? }
- end
+ (pow_2 << double).is_a?(Proc).should == true
+ ruby_version_is(''...'3.0') { (pow_2 << double).should.lambda? }
+ ruby_version_is('3.0') { (pow_2 << double).should_not.lambda? }
+ end
- it "may accept multiple arguments" do
- inc = MethodSpecs::Composition.new.method(:inc)
- mul = proc { |n, m| n * m }
+ it "may accept multiple arguments" do
+ inc = MethodSpecs::Composition.new.method(:inc)
+ mul = proc { |n, m| n * m }
- (inc << mul).call(2, 3).should == 7
- end
+ (inc << mul).call(2, 3).should == 7
end
end
+end
- describe "Method#>>" do
- it "returns a Proc that is the composition of self and the passed Proc" do
- upcase = proc { |s| s.upcase }
- succ = MethodSpecs::Composition.new.method(:succ)
+describe "Method#>>" do
+ it "returns a Proc that is the composition of self and the passed Proc" do
+ upcase = proc { |s| s.upcase }
+ succ = MethodSpecs::Composition.new.method(:succ)
- (succ >> upcase).call('Ruby').should == "RUBZ"
- end
+ (succ >> upcase).call('Ruby').should == "RUBZ"
+ end
- it "calls passed Proc with arguments and then calls self with result" do
- pow_2_proc = proc { |x| x * x }
- double_proc = proc { |x| x + x }
+ it "calls passed Proc with arguments and then calls self with result" do
+ pow_2_proc = proc { |x| x * x }
+ double_proc = proc { |x| x + x }
- pow_2_method = MethodSpecs::Composition.new.method(:pow_2)
- double_method = MethodSpecs::Composition.new.method(:double)
+ pow_2_method = MethodSpecs::Composition.new.method(:pow_2)
+ double_method = MethodSpecs::Composition.new.method(:double)
- (pow_2_method >> double_proc).call(2).should == 8
- (double_method >> pow_2_proc).call(2).should == 16
- end
+ (pow_2_method >> double_proc).call(2).should == 8
+ (double_method >> pow_2_proc).call(2).should == 16
+ end
- it "accepts any callable object" do
- inc = MethodSpecs::Composition.new.method(:inc)
+ it "accepts any callable object" do
+ inc = MethodSpecs::Composition.new.method(:inc)
- double = Object.new
- def double.call(n); n * 2; end
+ double = Object.new
+ def double.call(n); n * 2; end
- (inc >> double).call(3).should == 8
- end
+ (inc >> double).call(3).should == 8
+ end
- it_behaves_like :proc_compose, :>>, -> { MethodSpecs::Composition.new.method(:upcase) }
+ it_behaves_like :proc_compose, :>>, -> { MethodSpecs::Composition.new.method(:upcase) }
- describe "composition" do
- it "is a lambda" do
- pow_2 = MethodSpecs::Composition.new.method(:pow_2)
- double = proc { |x| x + x }
+ describe "composition" do
+ it "is a lambda" do
+ pow_2 = MethodSpecs::Composition.new.method(:pow_2)
+ double = proc { |x| x + x }
- (pow_2 >> double).is_a?(Proc).should == true
- (pow_2 >> double).should.lambda?
- end
+ (pow_2 >> double).is_a?(Proc).should == true
+ (pow_2 >> double).should.lambda?
+ end
- it "may accept multiple arguments" do
- mul = MethodSpecs::Composition.new.method(:mul)
- inc = proc { |n| n + 1 }
+ it "may accept multiple arguments" do
+ mul = MethodSpecs::Composition.new.method(:mul)
+ inc = proc { |n| n + 1 }
- (mul >> inc).call(2, 3).should == 7
- end
+ (mul >> inc).call(2, 3).should == 7
end
end
end