1 files changed, 49 insertions, 0 deletions
diff --git a/spec/ruby/core/array/any_spec.rb b/spec/ruby/core/array/any_spec.rb
new file mode 100644
index 0000000000..b51ce62f0f
--- /dev/null
+++ b/spec/ruby/core/array/any_spec.rb
@@ -0,0 +1,49 @@
+require_relative '../../spec_helper'
+require_relative 'shared/iterable_and_tolerating_size_increasing'
+
+describe "Array#any?" do
+  describe 'with no block given (a default block of { |x| x } is implicit)' do
+    it "is false if the array is empty" do
+      empty_array = []
+      empty_array.should_not.any?
+    end
+
+    it "is false if the array is not empty, but all the members of the array are falsy" do
+      falsy_array = [false, nil, false]
+      falsy_array.should_not.any?
+    end
+
+    it "is true if the array has any truthy members" do
+      not_empty_array = ['anything', nil]
+      not_empty_array.should.any?
+    end
+  end
+
+  describe 'with a block given' do
+    @value_to_return = -> _ { false }
+    it_behaves_like :array_iterable_and_tolerating_size_increasing, :any?
+
+    it 'is false if the array is empty' do
+      empty_array = []
+      empty_array.any? {|v| 1 == 1 }.should == false
+    end
+
+    it 'is true if the block returns true for any member of the array' do
+      array_with_members = [false, false, true, false]
+      array_with_members.any? {|v| v == true }.should == true
+    end
+
+    it 'is false if the block returns false for all members of the array' do
+      array_with_members = [false, false, true, false]
+      array_with_members.any? {|v| v == 42 }.should == false
+    end
+  end
+
+  describe 'when given a pattern argument' do
+    it "ignores the block if there is an argument" do
+      -> {
+        ['bar', 'foobar'].any?(/bar/) { false }.should == true
+      }.should complain(/given block not used/)
+    end
+  end
+end