js/src/jit-test/tests/wasm/stealing.js


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load(libdir + "wasm.js");

var exp = wasmEvalText(`(module
    (memory 1)
    (export "mem" memory)
    (func $f (result i32) (i32.load (i32.const 0)))
    (export "f" $f)
)`).exports;

var ab = exp.mem.buffer;
new Int32Array(ab)[0] = 42;

assertEq(exp.f(), 42);

assertThrowsInstanceOf(() => detachArrayBuffer(ab), Error);
assertEq(exp.f(), 42);

assertThrowsInstanceOf(() => serialize(ab, [ab]), Error);
assertEq(exp.f(), 42);