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