dodb.cr/spec/test-common.cr

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require "spec"
require "./db-cars.cr"
describe "SPECDB::Common" do
it "basics, 3 values" do
car0 = Car.new "Corvet-0", "red", [] of String
car1 = Car.new "Corvet-1", "red", [] of String
car2 = Car.new "Corvet-2", "red", [] of String
car3 = Car.new "Corvet-3", "red", [] of String
db = SPECDB::Common(Car).new "", 3
db.data.keys.sort.should eq([] of Int32)
db << car0
db.data.keys.sort.should eq([0] of Int32)
db << car1
db.data.keys.sort.should eq([0, 1] of Int32)
db << car2
db.data.keys.sort.should eq([0, 1, 2] of Int32)
db[0] # Let's use the first value, it shouldn't be the one to be dropped.
db << car3
db.data.keys.sort.should eq([0, 2, 3] of Int32)
db.fifo.to_s.should eq "[ 3, 0, 2 ]"
db.delete 2
db.data.keys.sort.should eq([0, 3] of Int32)
db.fifo.to_s.should eq "[ 3, 0 ]"
end
end