Adding throwsMany exception

modules/mockk-dsl/src/commonMain/kotlin/io/mockk/API.kt

@@ -2133,6 +2133,9 @@ class MockKStubScope<T, B>(
 
     infix fun throws(ex: Throwable) = answers(ThrowingAnswer(ex))
 
+    infix fun throwsMany(exList: List<Throwable>): MockKAdditionalAnswerScope<T, B> =
+        this answers (ManyAnswersAnswer(exList.map { ThrowingAnswer(it) }))
+
     infix fun answers(answer: MockKAnswerScope<T, B>.(Call) -> T) =
         answers(FunctionAnswer { MockKAnswerScope<T, B>(lambda, it).answer(it) })
 
@@ -2183,6 +2186,9 @@ class MockKAdditionalAnswerScope<T, B>(
 
     infix fun andThenThrows(ex: Throwable) = andThenAnswer(ThrowingAnswer(ex))
 
+    infix fun andThenThrowsMany(exList: List<Throwable>) =
+        andThenAnswer(ManyAnswersAnswer(exList.map { ThrowingAnswer(it) }))
+
     @Deprecated("Use andThenAnswer instead of andThen.")
     infix fun andThen(answer: MockKAnswerScope<T, B>.(Call) -> T) =
         andThenAnswer(FunctionAnswer { MockKAnswerScope<T, B>(lambda, it).answer(it) })

modules/mockk/src/commonTest/kotlin/io/mockk/it/AdditionalAnswerTest.kt

@@ -123,6 +123,53 @@ class AdditionalAnswerTest {
         }
     }
 
+    @Test
+    fun andThrowsMany() {
+        val exceptions = listOf(
+            IllegalArgumentException("error1"),
+            NullPointerException("error2"),
+            NoSuchElementException("error3")
+        )
+
+        every { mock.op(any()) } throwsMany exceptions
+
+        assertFailsWith(IllegalArgumentException::class) {
+            mock.op(2)
+        }
+        assertFailsWith(NullPointerException::class) {
+            mock.op(3)
+        }
+        assertFailsWith(NoSuchElementException::class) {
+            mock.op(3)
+        }
+        assertFailsWith(NoSuchElementException::class) {
+            mock.op(4)
+        }
+    }
+
+    @Test
+    fun andThenThrowsMany() {
+        val exceptions = listOf(
+            IllegalArgumentException("error1"),
+            NullPointerException("error2"),
+            NoSuchElementException("error3")
+        )
+        every { mock.op(any()) } returns 3 andThenThrowsMany exceptions andThen 2
+
+        assertEquals(3, mock.op(1))
+        assertFailsWith(IllegalArgumentException::class) {
+            mock.op(2)
+        }
+        assertFailsWith(NullPointerException::class) {
+            mock.op(3)
+        }
+        assertFailsWith(NoSuchElementException::class) {
+            mock.op(3)
+        }
+        assertEquals(2, mock.op(4))
+        assertEquals(2, mock.op(5))
+    }
+
     @Test
     fun arbitraryLengthCheck() {
         every {