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-rw-r--r--spec/rubyspec/core/array/shuffle_spec.rb102
1 files changed, 0 insertions, 102 deletions
diff --git a/spec/rubyspec/core/array/shuffle_spec.rb b/spec/rubyspec/core/array/shuffle_spec.rb
deleted file mode 100644
index 4c3b820186..0000000000
--- a/spec/rubyspec/core/array/shuffle_spec.rb
+++ /dev/null
@@ -1,102 +0,0 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-
-describe "Array#shuffle" do
- it "returns the same values, in a usually different order" do
- a = [1, 2, 3, 4]
- different = false
- 10.times do
- s = a.shuffle
- s.sort.should == a
- different ||= (a != s)
- end
- different.should be_true # Will fail once in a blue moon (4!^10)
- end
-
- it "is not destructive" do
- a = [1, 2, 3]
- 10.times do
- a.shuffle
- a.should == [1, 2, 3]
- end
- end
-
- it "does not return subclass instances with Array subclass" do
- ArraySpecs::MyArray[1, 2, 3].shuffle.should be_an_instance_of(Array)
- end
-
- it "attempts coercion via #to_hash" do
- obj = mock('hash')
- obj.should_receive(:to_hash).once.and_return({})
- [2, 3].shuffle(obj)
- end
-
- it "calls #rand on the Object passed by the :random key in the arguments Hash" do
- obj = mock("array_shuffle_random")
- obj.should_receive(:rand).at_least(1).times.and_return(0.5)
-
- result = [1, 2].shuffle(random: obj)
- result.size.should == 2
- result.should include(1, 2)
- end
-
- it "raises a NoMethodError if an object passed for the RNG does not define #rand" do
- obj = BasicObject.new
-
- lambda { [1, 2].shuffle(random: obj) }.should raise_error(NoMethodError)
- end
-
- it "accepts a Float for the value returned by #rand" do
- random = mock("array_shuffle_random")
- random.should_receive(:rand).at_least(1).times.and_return(0.3)
-
- [1, 2].shuffle(random: random).should be_an_instance_of(Array)
- end
-
- it "calls #to_int on the Object returned by #rand" do
- value = mock("array_shuffle_random_value")
- value.should_receive(:to_int).at_least(1).times.and_return(0)
- random = mock("array_shuffle_random")
- random.should_receive(:rand).at_least(1).times.and_return(value)
-
- [1, 2].shuffle(random: random).should be_an_instance_of(Array)
- end
-
- it "raises a RangeError if the value is less than zero" do
- value = mock("array_shuffle_random_value")
- value.should_receive(:to_int).and_return(-1)
- random = mock("array_shuffle_random")
- random.should_receive(:rand).and_return(value)
-
- lambda { [1, 2].shuffle(random: random) }.should raise_error(RangeError)
- end
-
- it "raises a RangeError if the value is equal to one" do
- value = mock("array_shuffle_random_value")
- value.should_receive(:to_int).at_least(1).times.and_return(1)
- random = mock("array_shuffle_random")
- random.should_receive(:rand).at_least(1).times.and_return(value)
-
- lambda { [1, 2].shuffle(random: random) }.should raise_error(RangeError)
- end
-end
-
-describe "Array#shuffle!" do
- it "returns the same values, in a usually different order" do
- a = [1, 2, 3, 4]
- original = a
- different = false
- 10.times do
- a = a.shuffle!
- a.sort.should == [1, 2, 3, 4]
- different ||= (a != [1, 2, 3, 4])
- end
- different.should be_true # Will fail once in a blue moon (4!^10)
- a.should equal(original)
- end
-
- it "raises a RuntimeError on a frozen array" do
- lambda { ArraySpecs.frozen_array.shuffle! }.should raise_error(RuntimeError)
- lambda { ArraySpecs.empty_frozen_array.shuffle! }.should raise_error(RuntimeError)
- end
-end