Sha256: 7f9e641aab5f4609dbb1a51c3bd156cdb52dcc164cc9b02ecb4463317fc9af2a
Contents?: true
Size: 802 Bytes
Versions: 23
Compression:
Stored size: 802 Bytes
Contents
describe "Array#fetch" do
it "returns the element at the passed index" do
[1, 2, 3].fetch(1).should == 2
[nil].fetch(0).should == nil
end
it "counts negative indices backwards from end" do
[1, 2, 3, 4].fetch(-1).should == 4
end
it "raises an IndexError id there is no element at index" do
lambda { [1, 2, 3].fetch(3) }.should raise_error(IndexError)
lambda { [1, 2, 3].fetch(-4) }.should raise_error(IndexError)
lambda { [].fetch(0) }.should raise_error(IndexError)
end
it "returns default if there is no element at index if passed a default value" do
[1, 2, 3].fetch(5, :not_found).should == :not_found
[1, 2, 3].fetch(5, nil).should == nil
[1, 2, 3].fetch(-4, :not_found).should == :not_found
[nil].fetch(0, :not_found).should == nil
end
end
Version data entries
23 entries across 23 versions & 1 rubygems