75 lines
1.8 KiB
Lua
75 lines
1.8 KiB
Lua
local ok, task = pcall(require, "lb:task")
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if not ok then return end
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describe("spawn", function()
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test("callback receives args", function()
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task
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:spawn(function(...)
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assert(select("#", ...) == 0)
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end)
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:await()
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task
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:spawn(function(...)
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assert(select("#", ...) == 1)
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assert((...) == nil)
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end, nil)
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:await()
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task
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:spawn(function(...)
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assert(select("#", ...) == 4)
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local args = table.pack(...)
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assert(args[1] == 1 and args[2] == 2 and args[3] == nil and args[4] == 3)
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end, 1, 2, nil, 3)
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:await()
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end)
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test("await returns callback results", function()
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local res = table.pack(task
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:spawn(function()
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-- no returns
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end)
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:await())
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assert(res.n == 0)
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local res = table.pack(task
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:spawn(function()
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return nil
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end)
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:await())
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assert(res.n == 1 and res[1] == nil)
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local res = table.pack(task
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:spawn(function()
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return 1, 2, nil, 3
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end)
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:await())
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assert(res.n == 4 and res[1] == 1 and res[2] == 2 and res[3] == nil and res[4] == 3)
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end)
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test("callback args and results", function()
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local res = table.pack(task
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:spawn(function(...)
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assert(select("#", ...) == 5)
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local args = table.pack(...)
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assert(args[1] == 5 and args[2] == 4 and args[3] == nil and args[4] == 3, args[5] == nil)
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return 1, 3, nil
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end, 5, 4, nil, 3, nil)
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:await())
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assert(res.n == 3 and res[1] == 1 and res[2] == 3 and res[3] == nil)
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end)
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end)
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describe("sleep", function()
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test("sleep is asynchronous", function()
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local value
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spawn(function()
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value = "value"
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end)
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assert(value == nil)
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sleep(100) -- implicit await: if it's synchronous, value wouldn't change
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assert(value == "value")
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end)
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end)
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