16 lines
416 B
Crystal
16 lines
416 B
Crystal
require "../spec_helper"
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Spectator.describe Spectator::Lazy do
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it "returns the value of the block" do
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lazy = Spectator::Lazy(Int32).new
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expect { lazy.get { 42 } }.to eq(42)
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end
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it "caches the value" do
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lazy = Spectator::Lazy(Int32).new
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count = 0
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expect { lazy.get { count += 1 } }.to change { count }.from(0).to(1)
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expect { lazy.get { count += 1 } }.to_not change { count }
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end
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end
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