latest tests

nodejs · guybedford · Jul 11, 2025 · Jul 14, 2025 · Mar 23, 2026 · Mar 23, 2026
commit 213bf4cb6ff9964e201e6f476371d550fc807d6e
diff --git a/test/fixtures/wpt/README.md b/test/fixtures/wpt/README.md
@@ -31,7 +31,7 @@ Last update:
 - url: https://github.com/web-platform-tests/wpt/tree/fc3e651593/url
 - urlpattern: https://github.com/web-platform-tests/wpt/tree/a2e15ad405/urlpattern
 - user-timing: https://github.com/web-platform-tests/wpt/tree/5ae85bf826/user-timing
-- wasm/jsapi: https://github.com/web-platform-tests/wpt/tree/cde25e7e3c/wasm/jsapi
+- wasm/jsapi: https://github.com/web-platform-tests/wpt/tree/65a2134d50/wasm/jsapi
 - wasm/webapi: https://github.com/web-platform-tests/wpt/tree/fd1b23eeaa/wasm/webapi
 - web-locks: https://github.com/web-platform-tests/wpt/tree/10a122a6bc/web-locks
 - WebCryptoAPI: https://github.com/web-platform-tests/wpt/tree/caebe89c3b/WebCryptoAPI

diff --git a/test/fixtures/wpt/versions.json b/test/fixtures/wpt/versions.json
@@ -84,7 +84,7 @@
     "path": "user-timing"
   },
   "wasm/jsapi": {
-    "commit": "cde25e7e3c3b9d2280eb088a3fb9da988793d255",
+    "commit": "65a2134d50",
     "path": "wasm/jsapi"
   },
   "wasm/webapi": {

diff --git a/test/fixtures/wpt/wasm/jsapi/WEB_FEATURES.yml b/test/fixtures/wpt/wasm/jsapi/WEB_FEATURES.yml
@@ -0,0 +1,4 @@
+features:
+- name: wasm
+  files:
+  - "*"
diff --git a/test/fixtures/wpt/wasm/jsapi/assertions.js b/test/fixtures/wpt/wasm/jsapi/assertions.js
@@ -6,6 +6,7 @@ function assert_function_name(fn, name, description) {
   assert_true(propdesc.configurable, "configurable", `${description} name should be configurable`);
   assert_equals(propdesc.value, name, `${description} name should be ${name}`);
 }
+globalThis.assert_function_name = assert_function_name;
 
 function assert_function_length(fn, length, description) {
   const propdesc = Object.getOwnPropertyDescriptor(fn, "length");
@@ -15,6 +16,7 @@ function assert_function_length(fn, length, description) {
   assert_true(propdesc.configurable, "configurable", `${description} length should be configurable`);
   assert_equals(propdesc.value, length, `${description} length should be ${length}`);
 }
+globalThis.assert_function_length = assert_function_length;
 
 function assert_exported_function(fn, { name, length }, description) {
   if (WebAssembly.Function === undefined) {
@@ -28,6 +30,7 @@ function assert_exported_function(fn, { name, length }, description) {
   assert_function_name(fn, name, description);
   assert_function_length(fn, length, description);
 }
+globalThis.assert_exported_function = assert_exported_function;
 
 function assert_Instance(instance, expected_exports) {
   assert_equals(Object.getPrototypeOf(instance), WebAssembly.Instance.prototype,
@@ -77,6 +80,7 @@ function assert_Instance(instance, expected_exports) {
     }
   }
 }
+globalThis.assert_Instance = assert_Instance;
 
 function assert_WebAssemblyInstantiatedSource(actual, expected_exports={}) {
   assert_equals(Object.getPrototypeOf(actual), Object.prototype,
@@ -98,3 +102,4 @@ function assert_WebAssemblyInstantiatedSource(actual, expected_exports={}) {
   assert_true(instance.configurable, "instance: configurable");
   assert_Instance(instance.value, expected_exports);
 }
+globalThis.assert_WebAssemblyInstantiatedSource = assert_WebAssemblyInstantiatedSource;
diff --git a/test/fixtures/wpt/wasm/jsapi/bad-imports.js b/test/fixtures/wpt/wasm/jsapi/bad-imports.js
@@ -183,3 +183,4 @@ function test_bad_imports(t) {
       });
   }
 }
+globalThis.test_bad_imports = test_bad_imports;
diff --git a/test/fixtures/wpt/wasm/jsapi/constructor/WEB_FEATURES.yml b/test/fixtures/wpt/wasm/jsapi/constructor/WEB_FEATURES.yml
@@ -0,0 +1,8 @@
+features:
+- name: wasm
+  files:
+  - "*"
+  - "!multi-value.any.js"
+- name: wasm-multi-value
+  files:
+  - "multi-value.any.js"
diff --git a/test/fixtures/wpt/wasm/jsapi/constructor/compile.any.js b/test/fixtures/wpt/wasm/jsapi/constructor/compile.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/wasm-module-builder.js
 
 function assert_Module(module) {

diff --git a/test/fixtures/wpt/wasm/jsapi/constructor/instantiate-bad-imports.any.js b/test/fixtures/wpt/wasm/jsapi/constructor/instantiate-bad-imports.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/wasm-module-builder.js
 // META: script=/wasm/jsapi/bad-imports.js
 

diff --git a/test/fixtures/wpt/wasm/jsapi/constructor/instantiate.any.js b/test/fixtures/wpt/wasm/jsapi/constructor/instantiate.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/wasm-module-builder.js
 // META: script=/wasm/jsapi/assertions.js
 // META: script=/wasm/jsapi/instanceTestFactory.js

diff --git a/test/fixtures/wpt/wasm/jsapi/constructor/multi-value.any.js b/test/fixtures/wpt/wasm/jsapi/constructor/multi-value.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/wasm-module-builder.js
 // META: script=/wasm/jsapi/assertions.js
 

diff --git a/test/fixtures/wpt/wasm/jsapi/constructor/toStringTag.any.js b/test/fixtures/wpt/wasm/jsapi/constructor/toStringTag.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 
 "use strict";
 // https://webidl.spec.whatwg.org/#es-namespaces

diff --git a/test/fixtures/wpt/wasm/jsapi/constructor/validate.any.js b/test/fixtures/wpt/wasm/jsapi/constructor/validate.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/wasm-module-builder.js
 
 let emptyModuleBinary;

diff --git a/test/fixtures/wpt/wasm/jsapi/esm-integration/WEB_FEATURES.yml b/test/fixtures/wpt/wasm/jsapi/esm-integration/WEB_FEATURES.yml
@@ -0,0 +1,9 @@
+features:
+- name: wasm-mutable-globals
+  files:
+  - "global-exports-live-bindings.tentative.any.js"
+  - "mutable-global-sharing.tentative.any.js"
+- name: wasm-string-builtins
+  files:
+  - "source-phase-string-builtins.tentative.any.js"
+  - "string-builtins.tentative.any.js"
diff --git a/test/fixtures/wpt/wasm/jsapi/esm-integration/namespace-instance.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/esm-integration/namespace-instance.tentative.any.js
@@ -4,6 +4,10 @@ promise_test(async () => {
   const wasmNamespace = await import("./resources/mutable-global-export.wasm");
   const instance = WebAssembly.namespaceInstance(wasmNamespace);
 
+  const wasmNamespace2 = await import("./resources/mutable-global-export.wasm");
+  const instance2 = WebAssembly.namespaceInstance(wasmNamespace2);
+  assert_equals(instance, instance2);
+
   assert_true(instance instanceof WebAssembly.Instance);
 
   wasmNamespace.setGlobal(999);

diff --git a/test/fixtures/wpt/wasm/jsapi/exception/WEB_FEATURES.yml b/test/fixtures/wpt/wasm/jsapi/exception/WEB_FEATURES.yml
@@ -0,0 +1,3 @@
+features:
+- name: wasm-exception-handling
+  files: "**"
diff --git a/test/fixtures/wpt/wasm/jsapi/exception/basic.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/exception/basic.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,worker,jsshell
+// META: global=window,worker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/wasm-module-builder.js
 
 function assert_throws_wasm(fn, message) {
@@ -7,12 +7,16 @@ function assert_throws_wasm(fn, message) {
     assert_not_reached(`expected to throw with ${message}`);
   } catch (e) {
     assert_true(e instanceof WebAssembly.Exception, `Error should be a WebAssembly.Exception with ${message}`);
+    // According to the spec discussion, the current `WebAssembly.Exception` does not have `[[ErrorData]]` semantically.
+    // - https://github.com/WebAssembly/spec/issues/1914
+    // - https://webassembly.github.io/spec/js-api/#exceptions
+    // - https://tc39.es/ecma262/multipage/fundamental-objects.html#sec-properties-of-error-instances
+    assert_false(Error.isError(e), `Error.isError(WebAssembly.Exception) should be false due to lacking [[ErrorData]]`);
   }
 }
 
 promise_test(async () => {
-  const kWasmAnyRef = 0x6f;
-  const kSig_v_r = makeSig([kWasmAnyRef], []);
+  const kSig_v_r = makeSig([kWasmExternRef], []);
   const builder = new WasmModuleBuilder();
   const tagIndex = builder.addTag(kSig_v_r);
   builder.addFunction("throw_param", kSig_v_r)
@@ -48,7 +52,7 @@ promise_test(async () => {
   const tagIndex = builder.addTag(kSig_v_a);
   builder.addFunction("throw_null", kSig_v_v)
     .addBody([
-      kExprRefNull, kWasmAnyFunc,
+      kExprRefNull, kAnyFuncCode,
       kExprThrow, tagIndex,
     ])
     .exportFunc();
@@ -82,7 +86,7 @@ promise_test(async () => {
       kExprCatch, tagIndex,
         kExprReturn,
       kExprEnd,
-      kExprRefNull, kWasmAnyRef,
+      kExprRefNull, kExternRefCode,
     ])
     .exportFunc();
 
@@ -106,7 +110,7 @@ promise_test(async () => {
       kExprCatchAll,
         kExprRethrow, 0x00,
       kExprEnd,
-      kExprRefNull, kWasmAnyRef,
+      kExprRefNull, kExternRefCode,
     ])
     .exportFunc();
 

diff --git a/test/fixtures/wpt/wasm/jsapi/exception/constructor.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/exception/constructor.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/assertions.js
 
 test(() => {

diff --git a/test/fixtures/wpt/wasm/jsapi/exception/getArg.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/exception/getArg.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/memory/assertions.js
 
 test(() => {

diff --git a/test/fixtures/wpt/wasm/jsapi/exception/identity.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/exception/identity.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/assertions.js
 // META: script=/wasm/jsapi/wasm-module-builder.js
 

diff --git a/test/fixtures/wpt/wasm/jsapi/exception/is.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/exception/is.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/memory/assertions.js
 
 test(() => {

diff --git a/test/fixtures/wpt/wasm/jsapi/exception/toString.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/exception/toString.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 
 test(() => {
   const argument = { parameters: [] };

diff --git a/test/fixtures/wpt/wasm/jsapi/function/call.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/function/call.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/assertions.js
 
 function addxy(x, y) {

diff --git a/test/fixtures/wpt/wasm/jsapi/function/constructor.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/function/constructor.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/assertions.js
 
 function addxy(x, y) {

diff --git a/test/fixtures/wpt/wasm/jsapi/function/table.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/function/table.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/assertions.js
 
 function testfunc(n) {}

diff --git a/test/fixtures/wpt/wasm/jsapi/function/type.tentative.any.js b/test/fixtures/wpt/wasm/jsapi/function/type.tentative.any.js
@@ -1,4 +1,4 @@
-// META: global=window,dedicatedworker,jsshell
+// META: global=window,dedicatedworker,jsshell,shadowrealm
 // META: script=/wasm/jsapi/assertions.js
 
 function addNumbers(x, y, z) {

diff --git a/test/fixtures/wpt/wasm/jsapi/functions/WEB_FEATURES.yml b/test/fixtures/wpt/wasm/jsapi/functions/WEB_FEATURES.yml
@@ -0,0 +1,3 @@
+features:
+- name: wasm
+  files: "**"
-Original file line number
+Diff line change
@@ Expand Up / @@ -183,3 +183,4 @@ function test_bad_imports(t) { @@
           });
       }
     }
+    globalThis.test_bad_imports = test_bad_imports;