diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/wasm/jsapi/proto-from-ctor-realm.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/wasm/jsapi/proto-from-ctor-realm.html')
| -rw-r--r-- | testing/web-platform/tests/wasm/jsapi/proto-from-ctor-realm.html | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/testing/web-platform/tests/wasm/jsapi/proto-from-ctor-realm.html b/testing/web-platform/tests/wasm/jsapi/proto-from-ctor-realm.html new file mode 100644 index 0000000000..45405b5290 --- /dev/null +++ b/testing/web-platform/tests/wasm/jsapi/proto-from-ctor-realm.html @@ -0,0 +1,95 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>WebAssembly JS API: Default [[Prototype]] value is from NewTarget's Realm</title> +<link rel="help" href="https://webidl.spec.whatwg.org/#internally-create-a-new-object-implementing-the-interface"> +<link rel="help" href="https://tc39.es/ecma262/#sec-nativeerror"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="wasm-module-builder.js"></script> +<body> +<iframe id="constructor-iframe" hidden></iframe> +<iframe id="new-target-iframe" hidden></iframe> +<iframe id="other-iframe" hidden></iframe> +<script> +"use strict"; + +const constructorRealm = document.querySelector("#constructor-iframe").contentWindow; +const newTargetRealm = document.querySelector("#new-target-iframe").contentWindow; +const otherRealm = document.querySelector("#other-iframe").contentWindow; + +const emptyModuleBinary = new WasmModuleBuilder().toBuffer(); +const interfaces = [ + ["Module", emptyModuleBinary], + ["Instance", new WebAssembly.Module(emptyModuleBinary)], + ["Memory", {initial: 0}], + ["Table", {element: "anyfunc", initial: 0}], + ["Global", {value: "i32"}], + + // See step 2 of https://tc39.es/ecma262/#sec-nativeerror + ["CompileError"], + ["LinkError"], + ["RuntimeError"], +]; + +const primitives = [ + undefined, + null, + false, + true, + 0, + -1, + "", + "str", + Symbol(), +]; + +const getNewTargets = function* (realm) { + for (const primitive of primitives) { + const newTarget = new realm.Function(); + newTarget.prototype = primitive; + yield [newTarget, "cross-realm NewTarget with `" + format_value(primitive) + "` prototype"]; + } + + // GetFunctionRealm (https://tc39.es/ecma262/#sec-getfunctionrealm) coverage: + const bindOther = otherRealm.Function.prototype.bind; + const ProxyOther = otherRealm.Proxy; + + const bound = new realm.Function(); + bound.prototype = undefined; + yield [bindOther.call(bound), "bound cross-realm NewTarget with `undefined` prototype"]; + + const boundBound = new realm.Function(); + boundBound.prototype = null; + yield [bindOther.call(bindOther.call(boundBound)), "bound bound cross-realm NewTarget with `null` prototype"]; + + const boundProxy = new realm.Function(); + boundProxy.prototype = false; + yield [bindOther.call(new ProxyOther(boundProxy, {})), "bound Proxy of cross-realm NewTarget with `false` prototype"]; + + const proxy = new realm.Function(); + proxy.prototype = true; + yield [new ProxyOther(proxy, {}), "Proxy of cross-realm NewTarget with `true` prototype"]; + + const proxyProxy = new realm.Function(); + proxyProxy.prototype = -0; + yield [new ProxyOther(new ProxyOther(proxyProxy, {}), {}), "Proxy of Proxy of cross-realm NewTarget with `-0` prototype"]; + + const proxyBound = new realm.Function(); + proxyBound.prototype = NaN; + yield [new ProxyOther(bindOther.call(proxyBound), {}), "Proxy of bound cross-realm NewTarget with `NaN` prototype"]; +}; + +for (const [interfaceName, constructorArg] of interfaces) { + for (const [newTarget, testDescription] of getNewTargets(newTargetRealm)) { + test(() => { + const Constructor = constructorRealm.WebAssembly[interfaceName]; + const object = Reflect.construct(Constructor, [constructorArg], newTarget); + + const NewTargetConstructor = newTargetRealm.WebAssembly[interfaceName]; + assert_true(object instanceof NewTargetConstructor); + assert_equals(Object.getPrototypeOf(object), NewTargetConstructor.prototype); + }, `WebAssembly.${interfaceName}: ${testDescription}`); + } +} +</script> +</body> |