From 48477313281cf5058d9497d9a01156b8eb468bdc Mon Sep 17 00:00:00 2001
From: Alexey Andreev <konsoletyper@gmail.com>
Date: Mon, 27 Mar 2017 22:27:59 +0300
Subject: [PATCH] Fix SOE when calling Throwable.getCause() Fix
 https://github.com/konsoletyper/teavm/issues/249

---
 .../teavm/classlib/java/lang/TThrowable.java  | 11 +++----
 .../classlib/java/lang/ThrowableTest.java     | 32 +++++++++++++++++++
 2 files changed, 37 insertions(+), 6 deletions(-)
 create mode 100644 tests/src/test/java/org/teavm/classlib/java/lang/ThrowableTest.java

diff --git a/classlib/src/main/java/org/teavm/classlib/java/lang/TThrowable.java b/classlib/src/main/java/org/teavm/classlib/java/lang/TThrowable.java
index f947296b9..0bd751f89 100644
--- a/classlib/src/main/java/org/teavm/classlib/java/lang/TThrowable.java
+++ b/classlib/src/main/java/org/teavm/classlib/java/lang/TThrowable.java
@@ -21,10 +21,6 @@ import org.teavm.interop.Remove;
 import org.teavm.interop.Rename;
 import org.teavm.interop.Superclass;
 
-/**
- *
- * @author Alexey Andreev
- */
 @Superclass("java.lang.Object")
 public class TThrowable extends RuntimeException {
     private static final long serialVersionUID = 2026791432677149320L;
@@ -115,8 +111,11 @@ public class TThrowable extends RuntimeException {
         return TString.wrap(getMessage());
     }
 
-    @Override
-    public TThrowable getCause() {
+    @Remove
+    public native TThrowable getCause();
+
+    @Rename("getCause")
+    public TThrowable getCause0() {
         return cause != this ? cause : null;
     }
 
diff --git a/tests/src/test/java/org/teavm/classlib/java/lang/ThrowableTest.java b/tests/src/test/java/org/teavm/classlib/java/lang/ThrowableTest.java
new file mode 100644
index 000000000..5eed36eef
--- /dev/null
+++ b/tests/src/test/java/org/teavm/classlib/java/lang/ThrowableTest.java
@@ -0,0 +1,32 @@
+/*
+ *  Copyright 2017 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.classlib.java.lang;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.teavm.junit.TeaVMTestRunner;
+
+@RunWith(TeaVMTestRunner.class)
+public class ThrowableTest {
+    @Test
+    public void causeWorks() {
+        RuntimeException e = new RuntimeException("fail", new RuntimeException("OK"));
+        assertTrue(e.getCause() instanceof RuntimeException);
+        assertEquals("OK", e.getCause().getMessage());
+    }
+}