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136 lines
4.6 KiB
Lua
136 lines
4.6 KiB
Lua
describe("Time module", function()
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local time, dbg, dbg_on
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setup(function()
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require("commonrequire")
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time = require("ui/time")
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dbg = require("dbg")
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dbg_on = dbg.is_on
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end)
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after_each(function()
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if dbg_on then
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dbg:turnOn()
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else
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dbg:turnOff()
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end
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end)
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it("should set", function()
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local time1 = time.s(12)
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local time2 = time.ms(12)
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local time3 = time.us(12)
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assert.is.same(12000000, time1)
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assert.is.same(12000, time2)
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assert.is.same(12, time3)
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end)
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it("should convert", function()
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local time1 = 12000000
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local time2 = 12000
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local time3 = 12
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local time4 = time.s(12) + time.us(40)
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local time5 = time.s(12) + time.us(60)
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assert.is.same(12, time.to_s(time1))
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assert.is.same(12000, time.to_ms(time1))
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assert.is.same(12000000, time.to_us(time1))
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assert.is.same(0.012, time.to_s(time2))
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assert.is.same(12, time.to_ms(time2))
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assert.is.same(12000, time.to_us(time2))
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assert.is.same(0.000012, time.to_s(time3))
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assert.is.same(math.floor(0.012), time.to_ms(time3))
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assert.is.same(12, time.to_us(time3))
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assert.is.same(12.0000, time.to_number(time4))
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assert.is.same(12.0001, time.to_number(time5))
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end)
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it("should add", function()
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local time1 = time.s(5) + time.us(5000)
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local time2 = time.s(10) + time.us(6000)
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local time3 = time.s(10) + time.us(50000000)
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assert.is.same(time.s(15) + time.us(11000), time1 + time2)
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assert.is.same(time.s(65) + time.us(5000), time1 + time3)
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end)
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it("should subtract", function()
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local time1 = time.s(5.005)
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local time2 = time.s(10.006)
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assert.is.same(time.s(5.001), time2 - time1)
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local backwards_sub = time1 - time2
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assert.is.same(time.s(-5.001), backwards_sub)
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-- Check that to/from float conversions behave, even for negative values.
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assert.is.same(-5.001, time.to_number(backwards_sub))
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assert.is.same(time.s(-6) + time.us(999000), time.s(-5.001))
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local tv = time.s(-6) + time.us(1000)
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assert.is.is_true(math.abs(-5.999 - time.to_number(tv)) < 1e-9) -- we only have nano second precision
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assert.is.same(time.s(-6) + time.us(1000), time.s(-5.999))
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-- We lose precision because of rounding if we go higher resolution than a ms...
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tv = time.s(-6) + time.us(101)
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assert.is.is_true(math.abs(-5.9999 - time.to_number(tv)) < 1e-9) -- ns precision
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assert.is.same(time.s(-6) + time.us(100), time.s(-5.9999))
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-- ^ precision loss
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tv = time.s(-6) + time.us(11)
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assert.is.same(-6, time.to_number(tv))
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-- ^ precision loss
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assert.is.same(time.s(-6) + time.us(10), time.s(-5.99999))
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-- ^ precision loss
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tv = time.s(-6) + time.us(1)
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assert.is.same(-6, time.to_number(tv))
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-- ^ precision loss
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assert.is.same(time.s(-6) + time.us(1), time.s(-5.999999))
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end)
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it("should derive sec and usec from more than 1 sec worth of usec", function()
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local time1 = time.s(5) + time.us(5000000)
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assert.is.same(time.s(10), time1)
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end)
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it("should compare", function()
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local time1 = time.s(5) + time.us(5000)
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local time2 = time.s(10) + time.us(6000)
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local time3 = time.s(5) + time.us(5000)
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local time4 = time.s(5) + time.us(6000)
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assert.is_true(time2 > time1)
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assert.is_false(time2 < time1)
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assert.is_true(time2 >= time1)
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assert.is_true(time4 > time1)
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assert.is_false(time4 < time1)
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assert.is_true(time4 >= time1)
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assert.is_true(time1 < time2)
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assert.is_false(time1 > time2)
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assert.is_true(time1 <= time2)
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assert.is_true(time1 == time3)
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assert.is_false(time1 == time2)
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assert.is_true(time1 >= time3)
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assert.is_true(time1 <= time3)
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end)
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it("should calculate durations", function()
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local time1 = time.s(5) + time.us(500000)
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local function now() return time.s(10) end
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local now_save = time.now
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time.now = now
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assert.is.equal(time.to_s(time.s(4) + time.us(500000)), time.to_s(time.since(time1)))
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assert.is.equal(time.to_ms(time.s(4) + time.us(500000)), time.to_ms(time.since(time1)))
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assert.is.equal(time.to_us(time.s(4) + time.us(500000)), time.to_us(time.since(time1)))
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time.now = now_save
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end)
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end)
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