Adding a regression test of memory allocation failure.

mttcr · May 13, 2021 · a158000 · a158000
1 parent 596650f
commit a158000
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/wasm/src/org.graalvm.wasm.test/src/org/graalvm/wasm/test/WasmJsApiSuite.java b/wasm/src/org.graalvm.wasm.test/src/org/graalvm/wasm/test/WasmJsApiSuite.java
@@ -81,6 +81,7 @@
 import org.junit.Test;
 
 import com.oracle.truffle.api.Truffle;
+import com.oracle.truffle.api.exception.AbstractTruffleException;
 import com.oracle.truffle.api.frame.VirtualFrame;
 import com.oracle.truffle.api.interop.ArityException;
 import com.oracle.truffle.api.interop.ExceptionType;
@@ -779,6 +780,20 @@ public void testTableImport() throws IOException, InterruptedException {
         });
     }
 
+    @Test
+    public void testMemoryAllocationFailure() {
+        // Memory allocation should either succeed or throw an interop
+        // exception (not an internal error like OutOfMemoryError).
+        try {
+            Object[] memories = new Object[5];
+            for (int i = 0; i < memories.length; i++) {
+                memories[i] = Memory.create(new MemoryDescriptor(32767, 32767));
+            }
+        } catch (AbstractTruffleException ex) {
+            Assert.assertTrue("Should throw interop exception", InteropLibrary.getUncached(ex).isException(ex));
+        }
+    }
+
     private static void runTest(Consumer<WasmContext> testCase) throws IOException {
         final Context.Builder contextBuilder = Context.newBuilder("wasm");
         contextBuilder.option("wasm.Builtins", "testutil:testutil");