From 2e4aaa761a8790598362e1ee91ce7fb13483cb10 Mon Sep 17 00:00:00 2001
From: Vsevolod Tolstopyatov <qwwdfsad@gmail.com>
Date: Thu, 24 Feb 2022 01:48:42 -0800
Subject: [PATCH] Validate that throwing tryCopy does not crash with an
 internal error (#3063)

Motivated by #3031
---
 .../StackTraceRecoveryCustomExceptionsTest.kt  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/kotlinx-coroutines-core/jvm/test/exceptions/StackTraceRecoveryCustomExceptionsTest.kt b/kotlinx-coroutines-core/jvm/test/exceptions/StackTraceRecoveryCustomExceptionsTest.kt
index dba738a8d3..d4e19040a5 100644
--- a/kotlinx-coroutines-core/jvm/test/exceptions/StackTraceRecoveryCustomExceptionsTest.kt
+++ b/kotlinx-coroutines-core/jvm/test/exceptions/StackTraceRecoveryCustomExceptionsTest.kt
@@ -124,4 +124,22 @@ class StackTraceRecoveryCustomExceptionsTest : TestBase() {
         assertTrue(ex is CopyableWithCustomMessage)
         assertEquals("Recovered: [OK]", ex.message)
     }
+
+    @Test
+    fun testTryCopyThrows() = runTest {
+        class FailingException : Exception(), CopyableThrowable<FailingException> {
+            override fun createCopy(): FailingException? {
+                TODO("Not yet implemented")
+            }
+        }
+
+        val e = FailingException()
+        val result = runCatching {
+            coroutineScope<Unit> {
+                throw e
+            }
+        }
+
+        assertSame(e, result.exceptionOrNull())
+    }
 }