24 lines
697 B
Lua
24 lines
697 B
Lua
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local accumulate = require('accumulate')
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describe('accumulate', function()
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local function square(x) return x * x end
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it('should accumulate over an empty array', function()
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assert.are.same({}, accumulate({}, square))
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end)
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it('should accumulate over an array with a single element', function()
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assert.are.same({ 4 }, accumulate({ 2 }, square))
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end)
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it('should accumulate over an array with several elements', function()
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assert.are.same({ 1, 4, 9 }, accumulate({ 1, 2, 3 }, square))
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end)
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it('should accumulate over an array with a different function', function()
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assert.are.same({ 'HELLO', 'WORLD' }, accumulate({ 'hello', 'world' }, string.upper))
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end)
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end)
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