From 64d23cd941ae1c1f2ce525c4163ac15a560ae1c7 Mon Sep 17 00:00:00 2001
From: Ryan Hunt <rhunt@eqrion.net>
Date: Fri, 15 Jan 2021 16:54:28 +0000
Subject: [PATCH] Bug 1637430 - Add tests. r=lth

Differential Revision: https://phabricator.services.mozilla.com/D74971
---
 .../jit-test/tests/wasm/ref-types/ref-func.js | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/js/src/jit-test/tests/wasm/ref-types/ref-func.js b/js/src/jit-test/tests/wasm/ref-types/ref-func.js
index 9fbda7e83f8b..cba653d760a3 100644
--- a/js/src/jit-test/tests/wasm/ref-types/ref-func.js
+++ b/js/src/jit-test/tests/wasm/ref-types/ref-func.js
@@ -242,3 +242,51 @@ for (let mutable of [true, false]) {
     }
   }
 }
+
+// Test invalid ref.func indices
+
+function testCodeRefFuncIndex(index) {
+  assertErrorMessage(() => {
+      new WebAssembly.Module(moduleWithSections(
+        [v2vSigSection,
+         declSection([0]), // One function
+         bodySection(
+          [funcBody(
+              {locals:[],
+               body:[
+                 RefFuncCode,
+                 ...varU32(index),
+                 DropCode
+                 ]})])
+          ]))
+    },
+    WebAssembly.CompileError,
+    /(function index out of range)|(function index out of bounds)/);
+}
+
+testCodeRefFuncIndex(1);
+testCodeRefFuncIndex(2);
+testCodeRefFuncIndex(10);
+testCodeRefFuncIndex(1000);
+
+function testGlobalRefFuncIndex(index) {
+  assertErrorMessage(() => {
+      new WebAssembly.Module(moduleWithSections(
+        [v2vSigSection,
+          globalSection([
+           {
+             valType: AnyFuncCode,
+             flags: 0,
+             initExpr: [RefFuncCode, ...varU32(index), EndCode],
+           }
+         ])
+        ]))
+    },
+    WebAssembly.CompileError,
+    /(function index out of range)|(function index out of bounds)/);
+}
+
+testGlobalRefFuncIndex(1);
+testGlobalRefFuncIndex(2);
+testGlobalRefFuncIndex(10);
+testGlobalRefFuncIndex(1000);