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Fix Tick::addTo/::between causing SOE (#8824)

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This commit is contained in:
Emily 2023-02-09 14:30:30 -03:00
parent 90cdec2283
commit b2b666ced2
1 changed files with 25 additions and 3 deletions
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28
patches/api/Add-Tick-TemporalUnit.patch
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@ -16,6 +16,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+import org.jetbrains.annotations.NotNull; +import org.jetbrains.annotations.NotNull;
+ +
+import java.time.Duration; +import java.time.Duration;
+import java.time.temporal.ChronoUnit;
+import java.time.temporal.Temporal; +import java.time.temporal.Temporal;
+import java.time.temporal.TemporalUnit; +import java.time.temporal.TemporalUnit;
+import java.util.Objects; +import java.util.Objects;
@ -68,7 +69,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ */ + */
+ public int fromDuration(@NotNull Duration duration) { + public int fromDuration(@NotNull Duration duration) {
+ Objects.requireNonNull(duration, "duration cannot be null"); + Objects.requireNonNull(duration, "duration cannot be null");
+ return Math.toIntExact(Math.floorDiv(duration.toMillis(), INSTANCE.milliseconds)); + return Math.toIntExact(Math.floorDiv(duration.toMillis(), this.milliseconds));
+ } + }
+ +
+ @Override + @Override
@ -96,12 +97,12 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ @SuppressWarnings("unchecked") // following ChronoUnit#addTo + @SuppressWarnings("unchecked") // following ChronoUnit#addTo
+ @Override + @Override
+ public <R extends Temporal> @NotNull R addTo(@NotNull R temporal, long amount) { + public <R extends Temporal> @NotNull R addTo(@NotNull R temporal, long amount) {
+ return (R) temporal.plus(amount, this); + return (R) temporal.plus(getDuration().multipliedBy(amount));
+ } + }
+ +
+ @Override + @Override
+ public long between(@NotNull Temporal start, @NotNull Temporal end) { + public long between(@NotNull Temporal start, @NotNull Temporal end) {
+ return start.until(end, this); + return start.until(end, ChronoUnit.MILLIS) / this.milliseconds;
+ } + }
+} +}
diff --git a/src/test/java/io/papermc/paper/util/TickTest.java b/src/test/java/io/papermc/paper/util/TickTest.java diff --git a/src/test/java/io/papermc/paper/util/TickTest.java b/src/test/java/io/papermc/paper/util/TickTest.java
@ -113,6 +114,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+package io.papermc.paper.util; +package io.papermc.paper.util;
+ +
+import java.time.Duration; +import java.time.Duration;
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+
+import org.junit.Test; +import org.junit.Test;
+ +
+import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertEquals;
@ -132,4 +136,22 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ assertEquals(1, Tick.tick().fromDuration(Duration.ofMillis(60))); + assertEquals(1, Tick.tick().fromDuration(Duration.ofMillis(60)));
+ assertEquals(2, Tick.tick().fromDuration(Duration.ofMillis(100))); + assertEquals(2, Tick.tick().fromDuration(Duration.ofMillis(100)));
+ } + }
+
+ @Test
+ public void testAddTickToInstant() {
+ Instant now = Instant.now();
+ assertEquals(now, now.plus(0, Tick.tick()));
+ assertEquals(now.plus(50, ChronoUnit.MILLIS), now.plus(1, Tick.tick()));
+ assertEquals(now.plus(100, ChronoUnit.MILLIS), now.plus(2, Tick.tick()));
+ assertEquals(now.plus(150, ChronoUnit.MILLIS), now.plus(3, Tick.tick()));
+ }
+
+ @Test
+ public void testTicksBetweenInstants() {
+ Instant now = Instant.now();
+ assertEquals(0, now.until(now.plus(20, ChronoUnit.MILLIS), Tick.tick()));
+ assertEquals(1, now.until(now.plus(50, ChronoUnit.MILLIS), Tick.tick()));
+ assertEquals(1, now.until(now.plus(60, ChronoUnit.MILLIS), Tick.tick()));
+ assertEquals(2, now.until(now.plus(100, ChronoUnit.MILLIS), Tick.tick()));
+ }
+} +}