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Diffstat (limited to 'spec/rubyspec/core/array/shift_spec.rb')
| -rw-r--r-- | spec/rubyspec/core/array/shift_spec.rb | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/spec/rubyspec/core/array/shift_spec.rb b/spec/rubyspec/core/array/shift_spec.rb deleted file mode 100644 index e5d25e2050..0000000000 --- a/spec/rubyspec/core/array/shift_spec.rb +++ /dev/null @@ -1,134 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes', __FILE__) - -describe "Array#shift" do - it "removes and returns the first element" do - a = [5, 1, 1, 5, 4] - a.shift.should == 5 - a.should == [1, 1, 5, 4] - a.shift.should == 1 - a.should == [1, 5, 4] - a.shift.should == 1 - a.should == [5, 4] - a.shift.should == 5 - a.should == [4] - a.shift.should == 4 - a.should == [] - end - - it "returns nil when the array is empty" do - [].shift.should == nil - end - - it "properly handles recursive arrays" do - empty = ArraySpecs.empty_recursive_array - empty.shift.should == [] - empty.should == [] - - array = ArraySpecs.recursive_array - array.shift.should == 1 - array[0..2].should == ['two', 3.0, array] - end - - it "raises a RuntimeError on a frozen array" do - lambda { ArraySpecs.frozen_array.shift }.should raise_error(RuntimeError) - end - it "raises a RuntimeError on an empty frozen array" do - lambda { ArraySpecs.empty_frozen_array.shift }.should raise_error(RuntimeError) - end - - describe "passed a number n as an argument" do - it "removes and returns an array with the first n element of the array" do - a = [1, 2, 3, 4, 5, 6] - - a.shift(0).should == [] - a.should == [1, 2, 3, 4, 5, 6] - - a.shift(1).should == [1] - a.should == [2, 3, 4, 5, 6] - - a.shift(2).should == [2, 3] - a.should == [4, 5, 6] - - a.shift(3).should == [4, 5, 6] - a.should == [] - end - - it "does not corrupt the array when shift without arguments is followed by shift with an argument" do - a = [1, 2, 3, 4, 5] - - a.shift.should == 1 - a.shift(3).should == [2, 3, 4] - a.should == [5] - end - - it "returns a new empty array if there are no more elements" do - a = [] - popped1 = a.shift(1) - popped1.should == [] - a.should == [] - - popped2 = a.shift(2) - popped2.should == [] - a.should == [] - - popped1.should_not equal(popped2) - end - - it "returns whole elements if n exceeds size of the array" do - a = [1, 2, 3, 4, 5] - a.shift(6).should == [1, 2, 3, 4, 5] - a.should == [] - end - - it "does not return self even when it returns whole elements" do - a = [1, 2, 3, 4, 5] - a.shift(5).should_not equal(a) - - a = [1, 2, 3, 4, 5] - a.shift(6).should_not equal(a) - end - - it "raises an ArgumentError if n is negative" do - lambda{ [1, 2, 3].shift(-1) }.should raise_error(ArgumentError) - end - - it "tries to convert n to an Integer using #to_int" do - a = [1, 2, 3, 4] - a.shift(2.3).should == [1, 2] - - obj = mock('to_int') - obj.should_receive(:to_int).and_return(2) - a.should == [3, 4] - a.shift(obj).should == [3, 4] - a.should == [] - end - - it "raises a TypeError when the passed n can be coerced to Integer" do - lambda{ [1, 2].shift("cat") }.should raise_error(TypeError) - lambda{ [1, 2].shift(nil) }.should raise_error(TypeError) - end - - it "raises an ArgumentError if more arguments are passed" do - lambda{ [1, 2].shift(1, 2) }.should raise_error(ArgumentError) - end - - it "does not return subclass instances with Array subclass" do - ArraySpecs::MyArray[1, 2, 3].shift(2).should be_an_instance_of(Array) - end - - it "returns an untainted array even if the array is tainted" do - ary = [1, 2].taint - ary.shift(2).tainted?.should be_false - ary.shift(0).tainted?.should be_false - end - - it "keeps taint status" do - a = [1, 2].taint - a.shift(2) - a.tainted?.should be_true - a.shift(2) - a.tainted?.should be_true - end - end -end |
