Function assert_function_length

test/fixtures/wpt/wasm/jsapi/assertions.js:11–18

(fn, length, description)

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) {