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def it_acts_as_digest_algorithm(type : T.class) forall T
it "#hexdigest can update within a loop from explicit expr (#9483)" do
i = 0
type.hexdigest do |digest|
while i < 3
digest.update("")
i += 1
end
end
end
it "#hexdigest can update within a loop by indirect expr (#9483)" do
algorithm = {} of String => ::Digest::ClassMethods
algorithm["me"] = type
i = 0
algorithm["me"].hexdigest do |digest|
while i < 3
digest.update("")
i += 1
end
end
end
it "context are independent" do
algorithm = type
res = algorithm.hexdigest do |digest|
digest.update("a")
digest.update("b")
end
inner_res = nil
outer_res = algorithm.hexdigest do |outer|
outer.update("a")
inner_res = algorithm.hexdigest do |inner|
inner.update("a")
inner.update("b")
end
outer.update("b")
end
outer_res.should eq(res)
inner_res.should eq(res)
end
describe ".dup" do
it "preserves type" do
type.new.dup.class.should eq(type)
end
it "preserves value" do
digest1 = type.new
digest1.update("a")
digest2 = digest1.dup
digest1.final.should eq(digest2.final)
end
it "leads to not sharing state" do
digest1 = type.new
digest1.update("a")
digest2 = digest1.dup
digest1.update("b")
digest1.final.should_not eq(digest2.final)
end
it "leads to deterministic updates" do
digest1 = type.new
digest1.update("a")
digest2 = digest1.dup
digest1.update("b")
digest2.update("b")
digest1.final.should eq(digest2.final)
end
end
it "digest with file content" do
path = datapath("test_file.txt")
type.new.file(path).final.should eq(type.digest(File.read(path)))
end
end
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