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util.datetime: Add support for sub-second precision timestamps

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Lua since 5.3 raises a fuss when time functions are handed a number with
a fractional part and the underlying C functions are all based on
integer seconds without support for more precision.
This commit is contained in:
Kim Alvefur 2022-08-14 16:57:31 +02:00
parent d79609ddc9
commit c85c18b03a
3 changed files with 36 additions and 7 deletions
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13
spec/util_datetime_spec.lua
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@ -18,6 +18,9 @@ describe("util.datetime", function ()
it("should work", function ()
assert.equals("2006-01-02", date(1136239445));
end);
it("should ignore fractional parts", function ()
assert.equals("2006-01-02", date(1136239445.5));
end);
end);
describe("#time", function ()
local time = util_datetime.time;
@ -34,6 +37,9 @@ describe("util.datetime", function ()
it("should work", function ()
assert.equals("22:04:05", time(1136239445));
end);
it("should handle precision", function ()
assert.equal("14:46:32.158200", time(1660488392.1582))
end)
end);
describe("#datetime", function ()
local datetime = util_datetime.datetime;
@ -50,6 +56,9 @@ describe("util.datetime", function ()
it("should work", function ()
assert.equals("2006-01-02T22:04:05Z", datetime(1136239445));
end);
it("should handle precision", function ()
assert.equal("2022-08-14T14:46:32.158200Z", datetime(1660488392.1582))
end)
end);
describe("#legacy", function ()
local legacy = util_datetime.legacy;
@ -72,5 +81,9 @@ describe("util.datetime", function ()
-- https://xmpp.org/extensions/xep-0082.html#example-2 and 3
assert.equals(parse("1969-07-21T02:56:15Z"), parse("1969-07-20T21:56:15-05:00"));
end);
it("should handle precision", function ()
-- floating point comparison is not an exact science
assert.truthy(math.abs(1660488392.1582 - parse("2022-08-14T14:46:32.158200Z")) < 0.001)
end)
end);
end);