bug1684861.js - mozsearch

Enable keyboard shortcuts

const oob = /index out of bounds/;

const unaligned = /unaligned memory access/;

const RuntimeError = WebAssembly.RuntimeError;

// Test memory.atomic.notify unaligned access.

const module = new WebAssembly.Module(wasmTextToBinary(`(module

  (type (;0;) (func))

  (func $main (type 0)

    i32.const -64

    i32.const -63

    memory.atomic.notify offset=1

    unreachable)

  (memory (;0;) 4 4)

  (export "main" (func $main)))`));

const instance = new WebAssembly.Instance(module);

assertErrorMessage(() => instance.exports.main(), RuntimeError, unaligned);

// Test memory.atomic.notify oob access.

const module2 = new WebAssembly.Module(wasmTextToBinary(`(module

  (type (;0;) (func))

  (func $main (type 0)

    i32.const -64

    i32.const -63

    memory.atomic.notify offset=65536

    unreachable)

  (memory (;0;) 4 4)

  (export "main" (func $main)))`));

const instance2 = new WebAssembly.Instance(module2);

assertErrorMessage(() => instance2.exports.main(), RuntimeError, oob);

// Test memory.atomic.wait32 and .wait64 unaligned access.

const module3 = new WebAssembly.Module(wasmTextToBinary(`(module

  (type (;0;) (func))

  (func $wait32 (type 0)

    i32.const -64

    i32.const 42

    i64.const 0

    memory.atomic.wait32 offset=1

    unreachable)

  (func $wait64 (type 0)

    i32.const -64

    i64.const 43

    i64.const 0

    memory.atomic.wait64 offset=3

    unreachable)

  (memory (;0;) 4 4 shared)

  (export "wait32" (func $wait32))

  (export "wait64" (func $wait64)))`));

const instance3 = new WebAssembly.Instance(module3);

assertErrorMessage(() => instance3.exports.wait32(), RuntimeError, unaligned);

assertErrorMessage(() => instance3.exports.wait64(), RuntimeError, unaligned);