update tests

test/intl402/DurationFormat/prototype/format/name.js

@@ -0,0 +1,26 @@
+// Copyright 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-Intl.DurationFormat.prototype.format
+description: Checks the "name" property of Intl.DurationFormat.prototype.format().
+info: |
+  17 ECMAScript Standard Built-in Objects:
+    Every built-in Function object, including constructors, that is not
+    identified as an anonymous function has a name property whose value
+    is a String.
+
+    Unless otherwise specified, the name property of a built-in Function
+    object, if it exists, has the attributes { [[Writable]]: false,
+    [[Enumerable]]: false, [[Configurable]]: true }.
+
+includes: [propertyHelper.js]
+features: [Intl.DurationFormat]
+---*/
+
+verifyProperty(Intl.DurationFormat.prototype.format, "name", {
+  value: "format",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});

test/intl402/DurationFormat/prototype/format/prop-desc.js

@@ -0,0 +1,21 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-Intl.DurationFormat.prototype.format
+description: Property descriptor of Intl.DurationFormat.prototype.format
+includes: [propertyHelper.js]
+features: [Intl.DurationFormat]
+---*/
+
+assert.sameValue(
+  typeof Intl.DurationFormat.prototype.format,
+  'function',
+  '`typeof Intl.DurationFormat.prototype.format` is `function`'
+);
+
+verifyProperty(Intl.DurationFormat.prototype, 'format', {
+  enumerable: false,
+  writable: true,
+  configurable: true,
+});

test/intl402/DurationFormat/prototype/format/throw-invoked-as-func.js

@@ -0,0 +1,21 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.DurationFormat.prototype.format
+description: basic tests internal slot initialization and call receiver errors
+info: |
+  Intl.DurationFormat.prototype.format ( duration )
+  (...)
+    2. Perform ? RequireInternalSlot(df, [[InitializedDurationFormat]]).
+features: [Intl.DurationFormat]
+---*/
+
+const df = new Intl.DurationFormat();
+
+// Perform ? RequireInternalSlot(df, [[InitializedDurationFormat]]).
+let f = df['format'];
+
+assert.sameValue(typeof f, 'function');
+assert.throws(TypeError, () => { f('PT12.3456S') });
+