mirror of https://github.com/minetest/minetest.git
114 lines
2.5 KiB
Lua
114 lines
2.5 KiB
Lua
_G.core = {}
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_G.vector = {metatable = {}}
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dofile("builtin/common/vector.lua")
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dofile("builtin/common/misc_helpers.lua")
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function core.get_last_run_mod() return "*test*" end
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function core.set_last_run_mod() end
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local do_step
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function core.register_globalstep(func)
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do_step = func
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end
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dofile("builtin/common/after.lua")
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describe("after", function()
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it("executes callbacks when expected", function()
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local result = ""
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core.after(0, function()
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result = result .. "a"
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end)
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core.after(1, function()
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result = result .. "b"
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end)
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core.after(1, function()
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result = result .. "c"
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end)
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core.after(2, function()
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result = result .. "d"
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end)
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local cancel = core.after(2, function()
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result = result .. "e"
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end)
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do_step(0)
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assert.same("a", result)
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do_step(1)
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assert.same("abc", result)
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core.after(2, function()
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result = result .. "f"
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end)
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core.after(1, function()
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result = result .. "g"
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end)
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core.after(-1, function()
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result = result .. "h"
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end)
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cancel:cancel()
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do_step(1)
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assert.same("abchdg", result)
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do_step(1)
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assert.same("abchdgf", result)
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end)
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it("defers jobs with delay 0", function()
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local result = ""
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core.after(0, function()
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core.after(0, function()
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result = result .. "b"
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end)
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result = result .. "a"
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end)
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do_step(1)
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assert.same("a", result)
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do_step(1)
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assert.same("ab", result)
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end)
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it("passes arguments", function()
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core.after(0, function(...)
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assert.same(0, select("#", ...))
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end)
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core.after(0, function(...)
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assert.same(4, select("#", ...))
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assert.same(1, (select(1, ...)))
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assert.same(nil, (select(2, ...)))
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assert.same("a", (select(3, ...)))
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assert.same(nil, (select(4, ...)))
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end, 1, nil, "a", nil)
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do_step(0)
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end)
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it("rejects invalid arguments", function()
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assert.has.errors(function() core.after() end)
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assert.has.errors(function() core.after(nil, nil) end)
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assert.has.errors(function() core.after(0) end)
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assert.has.errors(function() core.after(0, nil) end)
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assert.has.errors(function() core.after(nil, function() end) end)
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assert.has.errors(function() core.after(0 / 0, function() end) end)
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end)
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-- Make sure that the underlying heap is working correctly
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it("can be abused as a heapsort", function()
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local t = {}
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for i = 1, 1000 do
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t[i] = math.random(100)
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end
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local sorted = table.copy(t)
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table.sort(sorted)
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local i = 0
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for _, v in ipairs(t) do
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core.after(v, function()
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i = i + 1
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assert.equal(v, sorted[i])
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end)
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end
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do_step(math.max(unpack(t)))
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assert.equal(#t, i)
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end)
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end)
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