Add test checking nullability info presence for all mapped JDK members

That should prevent issues like KT-67804 and KT-68193

Author: dzharkov

compiler/tests-java8/tests/org/jetbrains/kotlin/jvm/PredefinedNullabilityExhaustivenessTest.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.jvm
+
+import junit.framework.TestCase
+import org.jetbrains.kotlin.builtins.jvm.JvmBuiltInsSignatures
+import org.jetbrains.kotlin.load.java.typeEnhancement.PREDEFINED_FUNCTION_ENHANCEMENT_INFO_BY_SIGNATURE
+
+class PredefinedNullabilityExhaustivenessTest : TestCase() {
+    fun testNullabilityDefinedForAllVisibleMappedMembers() {
+        (JvmBuiltInsSignatures.VISIBLE_METHOD_SIGNATURES + JvmBuiltInsSignatures.VISIBLE_CONSTRUCTOR_SIGNATURES).forEach { signature ->
+            assertTrue(
+                "Unknown nullability for signature: $signature",
+                signature in PREDEFINED_FUNCTION_ENHANCEMENT_INFO_BY_SIGNATURE || signature in EXPECTED_TO_BE_EXCLUDED_FROM_PREDEFINED_NULLABILITY
+            )
+        }
+    }
+
+    companion object {
+        private val EXPECTED_TO_BE_EXCLUDED_FROM_PREDEFINED_NULLABILITY = setOf(
+            "java/lang/CharSequence.codePoints()Ljava/util/stream/IntStream;",
+            "java/lang/CharSequence.chars()Ljava/util/stream/IntStream;",
+            "java/lang/Iterable.forEach(Ljava/util/function/Consumer;)V",
+            "java/lang/Throwable.setStackTrace([Ljava/lang/StackTraceElement;)V",
+            "java/lang/Throwable.fillInStackTrace()Ljava/lang/Throwable;",
+            "java/lang/Throwable.getLocalizedMessage()Ljava/lang/String;",
+            "java/lang/Throwable.printStackTrace()V",
+            "java/lang/Throwable.printStackTrace(Ljava/io/PrintStream;)V",
+            "java/lang/Throwable.printStackTrace(Ljava/io/PrintWriter;)V",
+            "java/lang/Throwable.getStackTrace()[Ljava/lang/StackTraceElement;",
+            "java/lang/Throwable.initCause(Ljava/lang/Throwable;)Ljava/lang/Throwable;",
+            "java/lang/Throwable.getSuppressed()[Ljava/lang/Throwable;",
+            "java/lang/Throwable.addSuppressed(Ljava/lang/Throwable;)V",
+            "java/util/Collection.spliterator()Ljava/util/Spliterator;",
+            // It's ok because we've got a Kotlin defined signature in built-in class declaration
+            "java/util/Map.getOrDefault(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;",
+            "java/lang/Throwable.<init>(Ljava/lang/String;Ljava/lang/Throwable;ZZ)V"
+        )
+    }
+}