Sha256: f585346534be41cca5d81fd7621868d1878a62390db5ac4c4426b32b360797a7
Contents?: true
Size: 807 Bytes
Versions: 29
Compression:
Stored size: 807 Bytes
Contents
describe "Hash#fetch" do
it "returns the value for key" do
{:a => 1, :b => -1}.fetch(:b).should == -1
end
it "raises and KeyError if key is not found" do
lambda { Hash.new.fetch(:a) }.should raise_error(KeyError)
lambda { Hash.new(5).fetch(:a) }.should raise_error(KeyError)
end
it "returns default if key is not found when passed a default" do
Hash.new.fetch(:a, nil).should == nil
Hash.new.fetch(:a, 'not here!').should == "not here!"
{:a => nil}.fetch(:a, 'not here!').should == nil
end
it "returns value of block if key is not found when passed a block" do
{}.fetch('a') { |k| k + '!' }.should == "a!"
end
it "gives precedence to the default block over the default argument when passed both" do
{}.fetch(9, :foo) { |i| i * i }.should == 81
end
end
Version data entries
29 entries across 29 versions & 1 rubygems