Introduce Duration.isPositive method

libraries/stdlib/src/kotlin/time/Duration.kt

@@ -75,6 +75,9 @@ public inline class Duration internal constructor(internal val value: Double) :
     /** Returns true, if the duration value is less than zero. */
     public fun isNegative(): Boolean = value < 0
 
+    /** Returns true, if the duration value is greater than zero. */
+    public fun isPositive(): Boolean = value > 0
+
     /** Returns true, if the duration value is infinite. */
     public fun isInfinite(): Boolean = value.isInfinite()
 

libraries/stdlib/test/time/DurationTest.kt

@@ -199,7 +199,7 @@ class DurationTest {
     }
 
     @Test
-    fun isNegativeAndAbsoluteValue() {
+    fun signAndAbsoluteValue() {
         val negative = -1.seconds
         val positive = 1.seconds
         val zero = Duration.ZERO
@@ -208,6 +208,10 @@ class DurationTest {
         assertFalse(zero.isNegative())
         assertFalse(positive.isNegative())
 
+        assertFalse(negative.isPositive())
+        assertFalse(zero.isPositive())
+        assertTrue(positive.isPositive())
+
         assertEquals(positive, negative.absoluteValue)
         assertEquals(positive, positive.absoluteValue)
         assertEquals(zero, zero.absoluteValue)

libraries/tools/binary-compatibility-validator/reference-public-api/kotlin-stdlib-runtime-merged.txt

@@ -5317,6 +5317,7 @@ public final class kotlin/time/Duration : java/lang/Comparable {
 	public static final fun isFinite-impl (D)Z
 	public static final fun isInfinite-impl (D)Z
 	public static final fun isNegative-impl (D)Z
+	public static final fun isPositive-impl (D)Z
 	public static final fun minus-LRDsOJo (DD)D
 	public static final fun plus-LRDsOJo (DD)D
 	public static final fun times-impl (DD)D