Sha256: 82beafd56778a6cad1031d34d2ab44ed32cac88af8d9ef3b450414b16deacbd8
Contents?: true
Size: 1008 Bytes
Versions: 26
Compression:
Stored size: 1008 Bytes
Contents
describe "Hash#[]" do
it "returns the value for the key" do
obj = Object.new
h = {1 => 2, 3 => 4, "foo" => "bar", obj => obj, [] => "baz"}
h[1].should == 2
h[3].should == 4
h["foo"].should == "bar"
h[obj].should == obj
end
it "returns nil as default default value" do
{0 => 0}[5].should == nil
end
it "returns the default (immediate) value for missing keys" do
h = Hash.new 5
h[:a].should == 5
h[:a] = 0
h[:a].should == 0
h[:b].should == 5
end
it "does not return default values for keys with nil values" do
h = Hash.new 5
h[:a] = nil
h[:a].should == nil
end
it "returns the default (dynamic) value for missing keys" do
h = Hash.new { |hsh, k| k.kind_of?(Numeric) ? hsh[k] = k + 2 : hsh[k] = k }
h[1].should == 3
h['this'].should == 'this'
h.should == {1 => 3, 'this' => 'this'}
i = 0
h = Hash.new { |hsh, key| i += 1 }
h[:foo].should == 1
h[:foo].should == 2
h[:bar].should == 3
end
end
Version data entries
26 entries across 26 versions & 1 rubygems