1 files changed, 23 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/maglev/math-round.js b/deps/v8/test/mjsunit/maglev/math-round.js
new file mode 100644
index 0000000000..2e16fd9fa5
--- /dev/null
+++ b/deps/v8/test/mjsunit/maglev/math-round.js
@@ -0,0 +1,23 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --maglev
+function f(o) {
+  return Math.round(o.a);
+}
+
+%PrepareFunctionForOptimization(f);
+f({a: {valueOf(){ return 7.5; }}});
+f({a: {valueOf(){ return 7.5; }}});
+f({a: {valueOf(){ return 7.5; }}});
+f({a: {valueOf(){ return 7.5; }}});
+%OptimizeMaglevOnNextCall(f);
+assertEquals(NaN, f({a:NaN}));
+assertEquals(Infinity, f({a:Infinity}));
+assertEquals(-Infinity, f({a:-Infinity}));
+assertEquals(-Infinity, 1/f({a:-0.5}));
+assertEquals(1, 1/f({a:0.5}));
+assertEquals(8, f({a: {valueOf(){
+  %DeoptimizeFunction(f);
+  return 7.5; }}}));