Sha256: 2de6708b8f43b6ec202bcb58b95f88fa5bf47375da5f3c8bed7fea8d0c1575d9
Contents?: true
Size: 1.07 KB
Versions: 21
Compression:
Stored size: 1.07 KB
Contents
describe "Enumerable#first" do
before :each do
@values = [4,3,2,1,0,-1]
@enum = EnumerableSpecs::Numerous.new(*@values)
end
it "returns the first element" do
EnumerableSpecs::Numerous.new.first.should == 2
EnumerableSpecs::Empty.new.first.should == nil
end
it "returns nil if self is empty" do
EnumerableSpecs::Empty.new.first.should == nil
end
it "returns the first count elements if given a count" do
@enum.first(2).should == [4, 3]
@enum.first(4).should == [4, 3, 2, 1]
end
it "returns an empty array when passed a count on an empty array" do
empty = EnumerableSpecs::Empty.new
empty.first(0).should == []
empty.first(1).should == []
empty.first(2).should == []
end
it "returns an empty array when passed count == 0" do
@enum.first(0).should == []
end
it "returns an array containing the first element when passed count == 1" do
@enum.first(1).should == [4]
end
it "returns the entire array when count > length" do
@enum.first(100).should == @values
@enum.first(8).should == @values
end
end
Version data entries
21 entries across 21 versions & 1 rubygems