Scan functions for Sequences and Iterable #KT-7657

libraries/stdlib/jvm/build.gradle

@@ -147,6 +147,10 @@ compileTestKotlin {
     }
 }
 
+compileLongRunningTestKotlin {
+    kotlinOptions.freeCompilerArgs += "-Xuse-experimental=kotlin.ExperimentalStdlibApi"
+}
+
 task longRunningTest(type: Test, dependsOn: longRunningTestClasses) {
     group = "verification"
     testClassesDirs = sourceSets.longRunningTest.output.classesDirs

libraries/stdlib/jvm/testLongRunning/collections/IndexOverflowJVMTest.kt

@@ -139,6 +139,17 @@ class IndexOverflowJVMTest {
     }
 
 
+    @Test
+    fun scanIndexedOverflow() {
+        assertIndexOverflow { maxIndexSequence.scanIndexed("") { index, _, s -> checkIndexPositive(index); s }.forEach { } }
+    }
+
+    @Test
+    fun scanReduceIndexedOverflow() {
+        assertIndexOverflow { maxIndexSequence.scanReduceIndexed { index, _, s -> checkIndexPositive(index); s }.forEach { } }
+    }
+
+
     @Test
     fun dropTwiceMaxValue() {