Sha256: 0616e76adb924133c39b802e09bd8a7719be704aef773494c5a6031e596d8b66
Contents?: true
Size: 518 Bytes
Versions: 29
Compression:
Stored size: 518 Bytes
Contents
describe "Hash#keep_if" do
it "yields two arguments: key and value" do
all_args = []
{1 => 2, 3 => 4}.keep_if { |*args| all_args << args }
all_args.should == [[1, 2], [3, 4]]
end
it "keeps every entry for which block is true and returns self" do
h = {:a => 1, :b => 2, :c => 3, :d => 4}
h.keep_if { |k,v| v % 2 == 0 }.should equal(h)
h.should == {:b => 2, :d => 4}
end
it "returns self even if unmodified" do
h = {1 => 2, 3 => 4}
h.keep_if { true }.should equal(h)
end
end
Version data entries
29 entries across 29 versions & 1 rubygems