From b8993dbd780d4afd5ef9f7d86fe931aa651babe6 Mon Sep 17 00:00:00 2001
From: Zilin Zhu <zhuzilinallen@gmail.com>
Date: Sat, 6 Aug 2022 17:32:32 +0800
Subject: [PATCH] [wiptest] fix calling toBe in describe (#1000)

---
 src/bun.js/test/jest.zig | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/bun.js/test/jest.zig b/src/bun.js/test/jest.zig
index 7922c49409..6cbfe32268 100644
--- a/src/bun.js/test/jest.zig
+++ b/src/bun.js/test/jest.zig
@@ -365,6 +365,16 @@ pub const Expect = struct {
             );
             return js.JSValueMakeUndefined(ctx);
         }
+        if (this.scope.tests.items.len <= this.test_id) {
+            JSC.JSError(
+                getAllocator(ctx),
+                ".toBe() called in wrong scope",
+                .{},
+                ctx,
+                exception,
+            );
+            return js.JSValueMakeUndefined(ctx);
+        }
         this.scope.tests.items[this.test_id].counter.actual += 1;
         const left = JSValue.fromRef(arguments[0]);
         left.ensureStillAlive();
@@ -418,6 +428,16 @@ pub const Expect = struct {
             );
             return js.JSValueMakeUndefined(ctx);
         }
+        if (this.scope.tests.items.len <= this.test_id) {
+            JSC.JSError(
+                getAllocator(ctx),
+                ".toHaveLength() called in wrong scope",
+                .{},
+                ctx,
+                exception,
+            );
+            return js.JSValueMakeUndefined(ctx);
+        }
         this.scope.tests.items[this.test_id].counter.actual += 1;
 
         const expected = JSC.JSValue.fromRef(arguments[0]).toU32();