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Introduce functions to parse a duration from a string KT-45325

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This commit is contained in:
Ilya Gorbunov
2021-07-02 20:12:28 +03:00
committed by Space
parent 7ab6f6c9b2
commit 1c6ab08220
6 changed files with 244 additions and 21 deletions
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libraries/stdlib/test/time/DurationTest.kt
+34 -21
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@@ -454,38 +454,51 @@ class DurationTest {
}
@Test
fun toIsoString() {
fun isoStringFormatAndParse() {
fun test(duration: Duration, vararg isoStrings: String) {
assertEquals(isoStrings.first(), duration.toIsoString())
for (isoString in isoStrings) {
assertEquals(duration, Duration.parseIsoString(isoString), isoString)
assertEquals(duration, Duration.parse(isoString), isoString)
assertEquals(duration, Duration.parseIsoStringOrNull(isoString), isoString)
assertEquals(duration, Duration.parseOrNull(isoString), isoString)
}
}
// zero
assertEquals("PT0S", Duration.ZERO.toIsoString())
test(Duration.ZERO, "PT0S", "P0D", "PT0H", "PT0M", "P0DT0H", "PT0H0M", "PT0H0S")
// single unit
assertEquals("PT24H", Duration.days(1).toIsoString())
assertEquals("PT1H", Duration.hours(1).toIsoString())
assertEquals("PT1M", Duration.minutes(1).toIsoString())
assertEquals("PT1S", Duration.seconds(1).toIsoString())
assertEquals("PT0.001S", Duration.milliseconds(1).toIsoString())
assertEquals("PT0.000001S", Duration.microseconds(1).toIsoString())
assertEquals("PT0.000000001S", Duration.nanoseconds(1).toIsoString())
assertEquals("PT0.000000001S", Duration.nanoseconds(0.9).toIsoString())
test(Duration.days(1), "PT24H", "P1D", "PT1440M", "PT86400S")
test(Duration.hours(1), "PT1H")
test(Duration.minutes(1), "PT1M")
test(Duration.seconds(1), "PT1S")
test(Duration.milliseconds(1), "PT0.001S")
test(Duration.microseconds(1), "PT0.000001S")
test(Duration.nanoseconds(1), "PT0.000000001S", "PT0.0000000009S")
test(Duration.nanoseconds(0.9), "PT0.000000001S")
// rounded to zero
assertEquals("PT0S", Duration.nanoseconds(0.1).toIsoString())
test(Duration.nanoseconds(0.1), "PT0S")
test(Duration.ZERO, "PT0S", "PT0.0000000004S")
// several units combined
assertEquals("PT24H1M", (Duration.days(1) + Duration.minutes(1)).toIsoString())
assertEquals("PT24H0M1S", (Duration.days(1) + Duration.seconds(1)).toIsoString())
assertEquals("PT24H0M0.001S", (Duration.days(1) + Duration.milliseconds(1)).toIsoString())
assertEquals("PT1H30M", (Duration.hours(1) + Duration.minutes(30)).toIsoString())
assertEquals("PT1H0M0.500S", (Duration.hours(1) + Duration.milliseconds(500)).toIsoString())
assertEquals("PT2M0.500S", (Duration.minutes(2) + Duration.milliseconds(500)).toIsoString())
assertEquals("PT1M30.500S", (Duration.milliseconds(90_500)).toIsoString())
test(Duration.days(1) + Duration.minutes(1), "PT24H1M")
test(Duration.days(1) + Duration.seconds(1), "PT24H0M1S")
test(Duration.days(1) + Duration.milliseconds(1), "PT24H0M0.001S")
test(Duration.hours(1) + Duration.minutes(30), "PT1H30M")
test(Duration.hours(1) + Duration.milliseconds(500), "PT1H0M0.500S")
test(Duration.minutes(2) + Duration.milliseconds(500), "PT2M0.500S")
test(Duration.milliseconds(90_500), "PT1M30.500S")
// negative
assertEquals("-PT23H45M", (-Duration.days(1) + Duration.minutes(15)).toIsoString())
assertEquals("-PT24H15M", (-Duration.days(1) - Duration.minutes(15)).toIsoString())
test(-Duration.days(1) + Duration.minutes(15), "-PT23H45M", "PT-23H-45M", "PT-24H15M")
test(-Duration.days(1) - Duration.minutes(15), "-PT24H15M", "PT-24H-15M", "-PT25H-45M")
test(Duration.ZERO, "PT0S", "P1DT-24H", "PT-1H60M", "-PT1M-60S")
// infinite
assertEquals("PT9999999999999H", Duration.INFINITE.toIsoString())
test(Duration.INFINITE, "PT9999999999999H", "PT10000000000000H")
test(-Duration.INFINITE, "-PT9999999999999H", "-PT10000000000000H")
}
@Test