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https://github.com/koreader/koreader
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62 lines
2.4 KiB
Lua
62 lines
2.4 KiB
Lua
describe("Math module", function()
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local Math
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setup(function()
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require("commonrequire")
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Math = require("optmath")
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end)
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describe("tmin", function()
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it("should return nil on empty table", function()
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assert.is_nil(Math.tmin({}))
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end)
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it("should get minimum element in table", function()
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assert.are.same(5, Math.tmin({9,7,10,11,5,7}))
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end)
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it("should get minimum element in table using custom function", function()
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assert.are.same(5,
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Math.tmin({"9","7","10","11","5","7"}, function(a,b)
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return tonumber(a) > tonumber(b)
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end))
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end)
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end)
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describe("tmax", function()
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it("should return nil on empty table", function()
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assert.is_nil(Math.tmin({}))
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end)
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it("should get maximum element in table", function()
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assert.are.same(4, Math.tmax({9,7,10,11,5,7}))
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end)
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it("should get maximum element in table using custom function", function()
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assert.are.same(4,
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Math.tmax({"9","7","10","11","5","7"}, function(a,b)
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return tonumber(a) < tonumber(b)
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end))
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end)
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end)
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it("should round away from zero", function()
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assert.are.same(2, Math.roundAwayFromZero(1.5))
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assert.are.same(2, Math.roundAwayFromZero(1.4))
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assert.are.same(-2, Math.roundAwayFromZero(-1.4))
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assert.are.same(1, Math.roundAwayFromZero(0.2))
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assert.are.same(-1, Math.roundAwayFromZero(-0.2))
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end)
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it("should round", function()
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assert.are.same(2, Math.round(1.5))
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assert.are.same(1, Math.round(1.4))
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assert.are.same(-1, Math.round(-1.4))
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assert.are.same(0, Math.round(0.2))
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assert.are.same(0, Math.round(-0.2))
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end)
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it("should determine odd or even", function()
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assert.are.same("odd", Math.oddEven(1))
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assert.are.same("even", Math.oddEven(2))
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assert.are.same("odd", Math.oddEven(3))
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assert.are.same("even", Math.oddEven(4))
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assert.are.same("even", Math.oddEven(-4))
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assert.are.same("odd", Math.oddEven(-3))
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assert.are.same("even", Math.oddEven(0))
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end)
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end)
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