mirror of
https://github.com/koreader/koreader
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64 lines
1.9 KiB
Lua
64 lines
1.9 KiB
Lua
describe("TimeVal module", function()
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local TimeVal, dbg, dbg_on
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setup(function()
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require("commonrequire")
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TimeVal = require("ui/timeval")
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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 add", function()
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local timev1 = TimeVal:new{ sec = 5, usec = 5000}
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local timev2 = TimeVal:new{ sec = 10, usec = 6000}
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assert.is.same({sec = 15,usec = 11000}, timev1 + timev2)
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end)
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it("should subtract", function()
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local timev1 = TimeVal:new{ sec = 5, usec = 5000}
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local timev2 = TimeVal:new{ sec = 10, usec = 6000}
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assert.is.same({sec = 5,usec = 1000}, timev2 - timev1)
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assert.is.same({sec = -5,usec = -1000}, timev1 - timev2)
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end)
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it("should guard against reverse subtraction logic", function()
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dbg:turnOn()
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TimeVal = package.reload("ui/timeval")
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local timev1 = TimeVal:new{ sec = 5, usec = 5000}
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local timev2 = TimeVal:new{ sec = 10, usec = 5000}
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assert.has.errors(function() return timev1 - timev2 end)
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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 timev1 = TimeVal:new{ sec = 5, usec = 5000000}
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assert.is.same({sec = 10,usec = 0}, timev1)
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end)
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it("should compare", function()
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local timev1 = TimeVal:new{ sec = 5, usec = 5000}
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local timev2 = TimeVal:new{ sec = 10, usec = 6000}
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local timev3 = TimeVal:new{ sec = 5, usec = 5000}
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assert.is_true(timev2 > timev1)
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assert.is_true(timev2 >= timev1)
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assert.is_true(timev1 < timev2)
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assert.is_true(timev1 <= timev2)
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assert.is_true(timev1 == timev3)
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assert.is_true(timev1 >= timev3)
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assert.is_true(timev1 <= timev3)
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end)
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end)
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