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// |jit-test| allow-oom; skip-if: !canRunHugeMemoryTests()
function testIt(s, addr) {
try {
var ins = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary(`
(module
(memory (export "mem") i64 65537)
(data (i64.const ${addr}) "${s}"))`)));
} catch (e) {
if (e instanceof WebAssembly.RuntimeError && String(e).match(/too many memory pages/)) {
return;
}
throw e;
}
var mem = new Uint8Array(ins.exports.mem.buffer);
assertEq(String.fromCodePoint(...mem.slice(addr, addr + s.length)), s)
}
// Test that an active data segment targeting the area above 4GB works as expected
testIt("hello, world!", 0x100000020);
// Ditto, but crosses the 4GB boundary
var s = "supercalifragilisticexpialidocious";
testIt(s, 0x100000000 - Math.floor(s.length / 2));
// This is OOB above the 4GB boundary - throws OOB during instantiation.
// But can also throw for OOM when trying to create the memory.
assertErrorMessage(() => new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary(`
(module
(memory (export "mem") i64 65537)
(data (i64.const ${65536*65537-10}) "supercalifragilisticexpialidocious"))`))),
WebAssembly.RuntimeError,
/(out of bounds)|(too many memory pages)/);