1cda87318b
* Implement Lua built-in function os.difftime * Test os.difftime --------- Co-authored-by: Zef Hemel <zef@zef.me>
23 lines
942 B
Lua
23 lines
942 B
Lua
local function assert_equal(a, b)
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if a ~= b then
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error("Assertion failed: " .. a .. " is not equal to " .. b)
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end
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end
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-- Basic OS functions
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assert(os.time() > 0)
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assert(os.date("%Y-%m-%d", os.time({ year = 2020, month = 1, day = 1 })) == "2020-01-01")
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-- Week calculations
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assert(os.date("%U %V %W", os.time({ year = 2051, month = 1, day = 1 })) == "01 52 00")
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local t = os.time()
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assert(os.difftime(t+10, t) == 10)
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assert(os.difftime(t, t+10) == -10)
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assert(os.difftime(t, t) == 0)
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assert(os.date("%U %V %W", os.time({ year = 2024, month = 1, day = 7 })) == "01 01 01")
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assert(os.date("%U %V %W", os.time({ year = 2025, month = 1, day = 5 })) == "01 01 00")
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assert(os.date("%U %V %W", os.time({ year = 2025, month = 1, day = 6 })) == "01 02 01")
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assert(os.date("%U %V %W", os.time({ year = 2025, month = 1, day = 7 })) == "01 02 01")
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assert(os.date("%U %V %W", os.time({ year = 2025, month = 5, day = 3 })) == "17 18 17")
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