Upload Kmake

deps/v8/test/mjsunit/wasm/memory-toresizable-tofixedlength.js

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+// Copyright 2025 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 --js-staging
+// Flags: --experimental-wasm-rab-integration
+
+(function TestUnsharedTransitions() {
+  let mem = new WebAssembly.Memory({initial: 1, maximum: 2});
+  let ab0 = mem.buffer;
+  assertFalse(ab0.resizable);
+  let ab1 = mem.toResizableBuffer();
+  assertTrue(ab1.resizable);
+  assertFalse(ab0 === ab1);
+  assertTrue(ab0.detached);
+  assertFalse(ab1.detached);
+  let ab2 = mem.toFixedLengthBuffer();
+  assertFalse(ab2.resizable);
+  assertFalse(ab1 === ab2);
+  assertFalse(ab0 === ab2);
+  assertTrue(ab0.detached);
+  assertTrue(ab1.detached);
+  assertFalse(ab2.detached);
+})();
+
+(function TestSharedTransitions() {
+  let mem = new WebAssembly.Memory({initial: 1, maximum: 2, shared: true});
+  let ab0 = mem.buffer;
+  assertFalse(ab0.growable);
+  let ab1 = mem.toResizableBuffer();
+  assertTrue(ab1.growable);
+  assertFalse(ab0 === ab1);
+  let ab2 = mem.toFixedLengthBuffer();
+  assertFalse(ab2.growable);
+  assertFalse(ab1 === ab2);
+  assertFalse(ab0 === ab2);
+})();