Sha256: b1207e3be1b37202d33812b41601bb1637b6ea5427aff4224562bb32bc8be098
Contents?: true
Size: 968 Bytes
Versions: 6
Compression:
Stored size: 968 Bytes
Contents
describe "Array#at" do
it "returns the (n+1)'th element for the passed index n" do
a = [1, 2, 3, 4, 5, 6]
a.at(0).should == 1
a.at(1).should == 2
a.at(5).should == 6
end
it "returns nil if the given index is greater than or equal to the array's length" do
a = [1, 2, 3, 4, 5, 6]
a.at(6).should == nil
a.at(7).should == nil
end
it "returns the (-n)'th element from the last, for the given negative index n" do
a = [1, 2, 3, 4, 5, 6]
a.at(-1).should == 6
a.at(-2).should == 5
a.at(-6).should == 1
end
it "returns nil if the given index is less than -len, where len is the length of the array" do
a = [1, 2, 3, 4, 5, 6]
a.at(-7).should == nil
a.at(-8).should == nil
end
it "does not extend the array unless the given index is out of range" do
a = [1, 2, 3, 4, 5, 6]
a.length.should == 6
a.at(100)
a.length.should == 6
a.at(-100)
a.length.should == 6
end
end
Version data entries
6 entries across 6 versions & 1 rubygems