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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/wasm/jsapi/assertions.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/wasm/jsapi/assertions.js')
-rw-r--r--testing/web-platform/tests/wasm/jsapi/assertions.js105
1 files changed, 105 insertions, 0 deletions
diff --git a/testing/web-platform/tests/wasm/jsapi/assertions.js b/testing/web-platform/tests/wasm/jsapi/assertions.js
new file mode 100644
index 0000000000..3b37019068
--- /dev/null
+++ b/testing/web-platform/tests/wasm/jsapi/assertions.js
@@ -0,0 +1,105 @@
+function assert_function_name(fn, name, description) {
+ const propdesc = Object.getOwnPropertyDescriptor(fn, "name");
+ assert_equals(typeof propdesc, "object", `${description} should have name property`);
+ assert_false(propdesc.writable, "writable", `${description} name should not be writable`);
+ assert_false(propdesc.enumerable, "enumerable", `${description} name should not be enumerable`);
+ assert_true(propdesc.configurable, "configurable", `${description} name should be configurable`);
+ assert_equals(propdesc.value, name, `${description} name should be ${name}`);
+}
+globalThis.assert_function_name = assert_function_name;
+
+function assert_function_length(fn, length, description) {
+ const propdesc = Object.getOwnPropertyDescriptor(fn, "length");
+ assert_equals(typeof propdesc, "object", `${description} should have length property`);
+ assert_false(propdesc.writable, "writable", `${description} length should not be writable`);
+ assert_false(propdesc.enumerable, "enumerable", `${description} length should not be enumerable`);
+ assert_true(propdesc.configurable, "configurable", `${description} length should be configurable`);
+ assert_equals(propdesc.value, length, `${description} length should be ${length}`);
+}
+globalThis.assert_function_length = assert_function_length;
+
+function assert_exported_function(fn, { name, length }, description) {
+ if (WebAssembly.Function === undefined) {
+ assert_equals(Object.getPrototypeOf(fn), Function.prototype,
+ `${description}: prototype`);
+ } else {
+ assert_equals(Object.getPrototypeOf(fn), WebAssembly.Function.prototype,
+ `${description}: prototype`);
+ }
+
+ assert_function_name(fn, name, description);
+ assert_function_length(fn, length, description);
+}
+globalThis.assert_exported_function = assert_exported_function;
+
+function assert_Instance(instance, expected_exports) {
+ assert_equals(Object.getPrototypeOf(instance), WebAssembly.Instance.prototype,
+ "prototype");
+ assert_true(Object.isExtensible(instance), "extensible");
+
+ assert_equals(instance.exports, instance.exports, "exports should be idempotent");
+ const exports = instance.exports;
+
+ assert_equals(Object.getPrototypeOf(exports), null, "exports prototype");
+ assert_false(Object.isExtensible(exports), "extensible exports");
+ assert_array_equals(Object.keys(exports), Object.keys(expected_exports), "matching export keys");
+ for (const [key, expected] of Object.entries(expected_exports)) {
+ const property = Object.getOwnPropertyDescriptor(exports, key);
+ assert_equals(typeof property, "object", `${key} should be present`);
+ assert_false(property.writable, `${key}: writable`);
+ assert_true(property.enumerable, `${key}: enumerable`);
+ assert_false(property.configurable, `${key}: configurable`);
+ const actual = property.value;
+ assert_true(Object.isExtensible(actual), `${key}: extensible`);
+
+ switch (expected.kind) {
+ case "function":
+ assert_exported_function(actual, expected, `value of ${key}`);
+ break;
+ case "global":
+ assert_equals(Object.getPrototypeOf(actual), WebAssembly.Global.prototype,
+ `value of ${key}: prototype`);
+ assert_equals(actual.value, expected.value, `value of ${key}: value`);
+ assert_equals(actual.valueOf(), expected.value, `value of ${key}: valueOf()`);
+ break;
+ case "memory":
+ assert_equals(Object.getPrototypeOf(actual), WebAssembly.Memory.prototype,
+ `value of ${key}: prototype`);
+ assert_equals(Object.getPrototypeOf(actual.buffer), ArrayBuffer.prototype,
+ `value of ${key}: prototype of buffer`);
+ assert_equals(actual.buffer.byteLength, 0x10000 * expected.size, `value of ${key}: size of buffer`);
+ const array = new Uint8Array(actual.buffer);
+ assert_equals(array[0], 0, `value of ${key}: first element of buffer`);
+ assert_equals(array[array.byteLength - 1], 0, `value of ${key}: last element of buffer`);
+ break;
+ case "table":
+ assert_equals(Object.getPrototypeOf(actual), WebAssembly.Table.prototype,
+ `value of ${key}: prototype`);
+ assert_equals(actual.length, expected.length, `value of ${key}: length of table`);
+ break;
+ }
+ }
+}
+globalThis.assert_Instance = assert_Instance;
+
+function assert_WebAssemblyInstantiatedSource(actual, expected_exports={}) {
+ assert_equals(Object.getPrototypeOf(actual), Object.prototype,
+ "Prototype");
+ assert_true(Object.isExtensible(actual), "Extensibility");
+
+ const module = Object.getOwnPropertyDescriptor(actual, "module");
+ assert_equals(typeof module, "object", "module: type of descriptor");
+ assert_true(module.writable, "module: writable");
+ assert_true(module.enumerable, "module: enumerable");
+ assert_true(module.configurable, "module: configurable");
+ assert_equals(Object.getPrototypeOf(module.value), WebAssembly.Module.prototype,
+ "module: prototype");
+
+ const instance = Object.getOwnPropertyDescriptor(actual, "instance");
+ assert_equals(typeof instance, "object", "instance: type of descriptor");
+ assert_true(instance.writable, "instance: writable");
+ assert_true(instance.enumerable, "instance: enumerable");
+ assert_true(instance.configurable, "instance: configurable");
+ assert_Instance(instance.value, expected_exports);
+}
+globalThis.assert_WebAssemblyInstantiatedSource = assert_WebAssemblyInstantiatedSource;