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-rw-r--r--spec/ruby/core/enumerable/any_spec.rb139
1 files changed, 99 insertions, 40 deletions
diff --git a/spec/ruby/core/enumerable/any_spec.rb b/spec/ruby/core/enumerable/any_spec.rb
index 4a7511f649..4405d4740a 100644
--- a/spec/ruby/core/enumerable/any_spec.rb
+++ b/spec/ruby/core/enumerable/any_spec.rb
@@ -1,68 +1,66 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
describe "Enumerable#any?" do
before :each do
@enum = EnumerableSpecs::Numerous.new
- @empty = EnumerableSpecs::Empty.new()
- @enum1 = [0, 1, 2, -1]
- @enum2 = [nil, false, true]
+ @empty = EnumerableSpecs::Empty.new
+ @enum1 = EnumerableSpecs::Numerous.new(0, 1, 2, -1)
+ @enum2 = EnumerableSpecs::Numerous.new(nil, false, true)
end
it "always returns false on empty enumeration" do
- @empty.any?.should == false
+ @empty.should_not.any?
@empty.any? { nil }.should == false
- [].any?.should == false
+ [].should_not.any?
[].any? { false }.should == false
- {}.any?.should == false
+ {}.should_not.any?
{}.any? { nil }.should == false
end
- it "raises an ArgumentError when any arguments provided" do
- lambda { @enum.any?(Proc.new {}) }.should raise_error(ArgumentError)
- lambda { @enum.any?(nil) }.should raise_error(ArgumentError)
- lambda { @empty.any?(1) }.should raise_error(ArgumentError)
- lambda { @enum1.any?(1) {} }.should raise_error(ArgumentError)
- lambda { @enum2.any?(1, 2, 3) {} }.should raise_error(ArgumentError)
+ it "raises an ArgumentError when more than 1 argument is provided" do
+ -> { @enum.any?(1, 2, 3) }.should.raise(ArgumentError)
+ -> { [].any?(1, 2, 3) }.should.raise(ArgumentError)
+ -> { {}.any?(1, 2, 3) }.should.raise(ArgumentError)
end
it "does not hide exceptions out of #each" do
- lambda {
+ -> {
EnumerableSpecs::ThrowingEach.new.any?
- }.should raise_error(RuntimeError)
+ }.should.raise(RuntimeError)
- lambda {
+ -> {
EnumerableSpecs::ThrowingEach.new.any? { false }
- }.should raise_error(RuntimeError)
+ }.should.raise(RuntimeError)
end
describe "with no block" do
it "returns true if any element is not false or nil" do
- @enum.any?.should == true
- @enum1.any?.should == true
- @enum2.any?.should == true
- EnumerableSpecs::Numerous.new(true).any?.should == true
- EnumerableSpecs::Numerous.new('a','b','c').any?.should == true
- EnumerableSpecs::Numerous.new('a','b','c', nil).any?.should == true
- EnumerableSpecs::Numerous.new(1, nil, 2).any?.should == true
- EnumerableSpecs::Numerous.new(1, false).any?.should == true
- EnumerableSpecs::Numerous.new(false, nil, 1, false).any?.should == true
- EnumerableSpecs::Numerous.new(false, 0, nil).any?.should == true
+ @enum.should.any?
+ @enum1.should.any?
+ @enum2.should.any?
+ EnumerableSpecs::Numerous.new(true).should.any?
+ EnumerableSpecs::Numerous.new('a','b','c').should.any?
+ EnumerableSpecs::Numerous.new('a','b','c', nil).should.any?
+ EnumerableSpecs::Numerous.new(1, nil, 2).should.any?
+ EnumerableSpecs::Numerous.new(1, false).should.any?
+ EnumerableSpecs::Numerous.new(false, nil, 1, false).should.any?
+ EnumerableSpecs::Numerous.new(false, 0, nil).should.any?
end
it "returns false if all elements are false or nil" do
- EnumerableSpecs::Numerous.new(false).any?.should == false
- EnumerableSpecs::Numerous.new(false, false).any?.should == false
- EnumerableSpecs::Numerous.new(nil).any?.should == false
- EnumerableSpecs::Numerous.new(nil, nil).any?.should == false
- EnumerableSpecs::Numerous.new(nil, false, nil).any?.should == false
+ EnumerableSpecs::Numerous.new(false).should_not.any?
+ EnumerableSpecs::Numerous.new(false, false).should_not.any?
+ EnumerableSpecs::Numerous.new(nil).should_not.any?
+ EnumerableSpecs::Numerous.new(nil, nil).should_not.any?
+ EnumerableSpecs::Numerous.new(nil, false, nil).should_not.any?
end
it "gathers whole arrays as elements when each yields multiple" do
multi = EnumerableSpecs::YieldsMultiWithFalse.new
- multi.any?.should be_true
+ multi.any?.should == true
end
end
@@ -79,7 +77,7 @@ describe "Enumerable#any?" do
@enum2.any? { |i| i == nil }.should == true
end
- it "any? should return false if the block never returns other than false or nil" do
+ it "returns false if the block never returns other than false or nil" do
@enum.any? { false }.should == false
@enum.any? { nil }.should == false
@@ -120,22 +118,83 @@ describe "Enumerable#any?" do
end
it "does not hide exceptions out of the block" do
- lambda {
+ -> {
@enum.any? { raise "from block" }
- }.should raise_error(RuntimeError)
+ }.should.raise(RuntimeError)
end
it "gathers initial args as elements when each yields multiple" do
multi = EnumerableSpecs::YieldsMulti.new
- multi.any? {|e| e == 1 }.should be_true
+ yielded = []
+ multi.any? { |e| yielded << e; false }.should == false
+ yielded.should == [1, 3, 6]
end
it "yields multiple arguments when each yields multiple" do
multi = EnumerableSpecs::YieldsMulti.new
yielded = []
- multi.any? {|e, i| yielded << [e, i] }
- yielded.should == [[1, 2]]
+ multi.any? { |*args| yielded << args; false }.should == false
+ yielded.should == [[1, 2], [3, 4, 5], [6, 7, 8, 9]]
+ end
+ end
+
+ describe 'when given a pattern argument' do
+ it "calls `===` on the pattern the return value" do
+ pattern = EnumerableSpecs::Pattern.new { |x| x == 2 }
+ @enum1.any?(pattern).should == true
+ pattern.yielded.should == [[0], [1], [2]]
+ end
+
+ it "always returns false on empty enumeration" do
+ @empty.any?(Integer).should == false
+ [].any?(Integer).should == false
+ {}.any?(NilClass).should == false
end
+ it "does not hide exceptions out of #each" do
+ -> {
+ EnumerableSpecs::ThrowingEach.new.any?(Integer)
+ }.should.raise(RuntimeError)
+ end
+
+ it "returns true if the pattern ever returns a truthy value" do
+ @enum2.any?(NilClass).should == true
+ pattern = EnumerableSpecs::Pattern.new { |x| 42 }
+ @enum.any?(pattern).should == true
+
+ [1, 42, 3].any?(pattern).should == true
+
+ pattern = EnumerableSpecs::Pattern.new { |x| x == [:b, 2] }
+ {a: 1, b: 2}.any?(pattern).should == true
+ end
+
+ it "returns false if the block never returns other than false or nil" do
+ pattern = EnumerableSpecs::Pattern.new { |x| nil }
+ @enum1.any?(pattern).should == false
+ pattern.yielded.should == [[0], [1], [2], [-1]]
+
+ [1, 2, 3].any?(pattern).should == false
+ {a: 1}.any?(pattern).should == false
+ end
+
+ it "does not hide exceptions out of pattern#===" do
+ pattern = EnumerableSpecs::Pattern.new { raise "from pattern" }
+ -> {
+ @enum.any?(pattern)
+ }.should.raise(RuntimeError)
+ end
+
+ it "calls the pattern with gathered array when yielded with multiple arguments" do
+ multi = EnumerableSpecs::YieldsMulti.new
+ pattern = EnumerableSpecs::Pattern.new { false }
+ multi.any?(pattern).should == false
+ pattern.yielded.should == [[[1, 2]], [[3, 4, 5]], [[6, 7, 8, 9]]]
+ end
+
+ it "ignores the block if there is an argument" do
+ -> {
+ EnumerableSpecs::Numerous.new(1, 2, 3, 4, 5).any?(String) { true }.should == false
+ }.should complain(/given block not used/)
+ end
end
end