[Tests] Add regression test for KT-82783: buildMap duplicate keys detection
diff --git a/libraries/stdlib/jvm/test/collections/MapBuilderTest.kt b/libraries/stdlib/jvm/test/collections/MapBuilderTest.kt
index e5a8c61..d156cdc 100644
--- a/libraries/stdlib/jvm/test/collections/MapBuilderTest.kt
+++ b/libraries/stdlib/jvm/test/collections/MapBuilderTest.kt
@@ -11,9 +11,40 @@
import kotlin.test.assertEquals
import kotlin.test.assertFails
import kotlin.test.Test
+import kotlin.test.assertTrue
class MapBuilderTest {
+ // Reproducer from KT-82783
+ @Test
+ fun buildMapDuplicatesReproducer() {
+ buildMap {
+ val map = this
+
+ map[148961824] = 1
+ map[148962400] = 1
+ map[148963552] = 1
+ map[148964704] = 1
+ map[148965856] = 1
+ map[148967008] = 1
+ map[148968160] = 1
+ map[148969312] = 1
+ map[148970464] = 1
+ map[148971616] = 1
+ map[148972768] = 1
+ map[148973920] = 1
+ map[148975072] = 1
+ map[148976224] = 1
+ map[148977376] = 1
+ map[148978528] = 1
+ map.remove(148961824)
+ map[148978528] = 1
+
+ val duplicates = map.keys.groupingBy { it }.eachCount().filterValues { it > 1 }
+ assertTrue(duplicates.isEmpty(), "Found duplicates: $duplicates")
+ }
+ }
+
@Test
fun capacityOverflow() {
val builderSize = 15
@@ -52,4 +83,4 @@
}
assertEquals(initialCapacity, builder.capacity)
}
-}
\ No newline at end of file
+}
