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If round to the fractional part of a timestamp, a carry will occur in cases such as 999 999 9. In that case, set usec to 0 and add/sub 1 to sec.
62 lines
1.4 KiB
PHP
62 lines
1.4 KiB
PHP
--TEST--
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Bug GH-14383 (DateTime::createFromTimestamp overflowed microseconds value)
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--INI--
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date.timezone=UTC
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--FILE--
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<?php
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$cases = [
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[0.999_999_0, '0.999_999_0'],
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[0.999_999_1, '0.999_999_1'],
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[0.999_999_8, '0.999_999_8'],
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[0.999_999_9, '0.999_999_9'],
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[1.000_000_0, '1.000_000_0'],
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[1.000_000_1, '1.000_000_1'],
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[1.000_000_8, '1.000_000_8'],
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[1.000_000_9, '1.000_000_9'],
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[1.000_001_0, '1.000_001_0'],
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[1.000_001_1, '1.000_001_1'],
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[1.000_001_8, '1.000_001_8'],
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[1.000_001_9, '1.000_001_9'],
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];
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echo "plus:\n";
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foreach ($cases as [$usec, $label]) {
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echo "{$label}: ";
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echo DateTime::createFromTimestamp($usec)->format('s.u'), "\n";
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}
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echo "\nminus:\n";
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foreach ($cases as [$usec, $label]) {
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echo "-{$label}: ";
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echo DateTime::createFromTimestamp(-$usec)->format('s.u'), "\n";
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}
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?>
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--EXPECT--
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plus:
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0.999_999_0: 00.999999
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0.999_999_1: 00.999999
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0.999_999_8: 01.000000
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0.999_999_9: 01.000000
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1.000_000_0: 01.000000
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1.000_000_1: 01.000000
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1.000_000_8: 01.000001
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1.000_000_9: 01.000001
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1.000_001_0: 01.000001
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1.000_001_1: 01.000001
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1.000_001_8: 01.000002
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1.000_001_9: 01.000002
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minus:
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-0.999_999_0: 59.000001
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-0.999_999_1: 59.000001
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-0.999_999_8: 59.000000
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-0.999_999_9: 59.000000
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-1.000_000_0: 59.000000
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-1.000_000_1: 59.000000
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-1.000_000_8: 58.999999
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-1.000_000_9: 58.999999
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-1.000_001_0: 58.999999
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-1.000_001_1: 58.999999
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-1.000_001_8: 58.999998
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-1.000_001_9: 58.999998
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