diff options
Diffstat (limited to 'js/src/jit-test/tests/wasm/memory-cloning-new-global.js')
-rw-r--r-- | js/src/jit-test/tests/wasm/memory-cloning-new-global.js | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/memory-cloning-new-global.js b/js/src/jit-test/tests/wasm/memory-cloning-new-global.js new file mode 100644 index 0000000000..a7b632f3fd --- /dev/null +++ b/js/src/jit-test/tests/wasm/memory-cloning-new-global.js @@ -0,0 +1,12 @@ +// |jit-test| skip-if: !wasmThreadsEnabled() + +// Ensure we create the WebAssembly.Memory prototype object when deserializing a +// WebAssembly.Memory object in a new global. + +let mem1 = new WebAssembly.Memory({initial: 1, maximum: 1, shared: true}); +let buf = serialize(mem1, [], {SharedArrayBuffer: "allow"}); + +let g = newGlobal({sameCompartmentAs: this}); +let mem2 = g.deserialize(buf, {SharedArrayBuffer: "allow"}); +assertEq(mem2.buffer.byteLength, 65536); +assertEq(Object.getPrototypeOf(mem2), g.WebAssembly.Memory.prototype); |