add instance checks

test/intl402/DurationFormat/instance/extensibility.js

@@ -0,0 +1,22 @@
+// 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
+description: Intl.DurationFormat instance object extensibility
+info: |
+    17 ECMAScript Standard Built-in Objects:
+
+    Unless specified otherwise, the [[Extensible]] internal slot
+    of a built-in object initially has the value true.
+
+features: [Intl.DurationFormat]
+---*/
+
+assert.sameValue(
+  Object.isExtensible(new Intl.DurationFormat()),
+  true,
+  "Object.isExtensible(new Intl.DurationFormat()) returns true"
+);
+
+

test/intl402/DurationFormat/instance/length.js

@@ -0,0 +1,32 @@
+// 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
+description: >
+  Intl.DurationFormat.length is 0.
+info: |
+  Intl.DurationFormat ( [ locales [ , options ] ] )
+
+  17 ECMAScript Standard Built-in Objects:
+
+    Every built-in function object, including constructors, has a length
+    property whose value is an integer. Unless otherwise specified, this
+    value is equal to the largest number of named arguments shown in the
+    subclause headings for the function description. Optional parameters
+    (which are indicated with brackets: [ ]) or rest parameters (which
+    are shown using the form «...name») are not included in the default
+    argument count.
+    Unless otherwise specified, the length property of a built-in function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+
+features: [Intl.DurationFormat]
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Intl.DurationFormat.length, 0);
+
+verifyNotEnumerable(Intl.DurationFormat, "length");
+verifyNotWritable(Intl.DurationFormat, "length");
+verifyConfigurable(Intl.DurationFormat, "length");

test/intl402/DurationFormat/instance/name.js

@@ -0,0 +1,28 @@
+// 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
+description: >
+  Intl.DurationFormat.name is "DurationFormat".
+info: |
+  Intl.DurationFormat ([ locales [ , options ]])
+
+  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 }.
+
+features: [Intl.DurationFormat]
+includes: [propertyHelper.js]
+---*/
+
+assert.sameValue(Intl.DurationFormat.name, "DurationFormat");
+
+verifyNotEnumerable(Intl.DurationFormat, "name");
+verifyNotWritable(Intl.DurationFormat, "name");
+verifyConfigurable(Intl.DurationFormat, "name");

test/intl402/DurationFormat/instance/prop-desc.js

@@ -0,0 +1,30 @@
+// 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
+description: >
+  "DurationFormat" property of Intl.
+info: |
+  Intl.DurationFormat ([ locales [ , options ]])
+
+  7 Requirements for Standard Built-in ECMAScript Objects
+
+    Unless specified otherwise in this document, the objects, functions, and constructors
+    described in this standard are subject to the generic requirements and restrictions
+    specified for standard built-in ECMAScript objects in the ECMAScript 2018 Language
+    Specification, 9th edition, clause 17, or successor.
+
+  17 ECMAScript Standard Built-in Objects:
+
+    Every other data property described in clauses 18 through 26 and in Annex B.2 has the
+    attributes { [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }
+    unless otherwise specified.
+
+features: [Intl.DurationFormat]
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Intl, "DurationFormat");
+verifyWritable(Intl, "DurationFormat");
+verifyConfigurable(Intl, "DurationFormat");

test/intl402/DurationFormat/instance/prototype.js

@@ -0,0 +1,20 @@
+// 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
+description: Intl.DurationFormat instance object is created from %DurationFormatPrototype%.
+info: |
+    Intl.DurationFormat ([ locales [ , options ]])
+
+    2. Let durationFormat be ? OrdinaryCreateFromConstructor(NewTarget, "%DurationFormatPrototype%", « [[InitializedDurationFormat]], [[Locale]], [[DataLocale]], [[NumberingSystem]], [[Style]], [[YearsStyle]], [[YearsDisplay]], [[MonthsStyle]], [[MonthsDisplay]] , [[WeeksStyle]], [[WeeksDisplay]] , [[DaysStyle]], [[DaysDisplay]] , [[HoursStyle]], [[HoursDisplay]] , [[MinutesStyle]], [[MinutesDisplay]] , [[SecondsStyle]], [[SecondsDisplay]] , [[MillisecondsStyle]], [[MillisecondsDisplay]] , [[MicrosecondsStyle]], [[MicrosecondsDisplay]] , [[NanosecondsStyle]], [[NanosecondsDisplay]], [[FractionalDigits]] »).
+
+features: [Intl.DurationFormat]
+---*/
+
+const value = new Intl.DurationFormat();
+assert.sameValue(
+  Object.getPrototypeOf(value),
+  Intl.DurationFormat.prototype,
+  "Object.getPrototypeOf(value) equals the value of Intl.DurationFormat.prototype"
+);

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

@@ -0,0 +1,30 @@
+// 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
+description: >
+  "constructor" property of Intl.DurationFormat.prototype.
+info: |
+  Intl.DurationFormat.prototype.constructor
+
+  7 Requirements for Standard Built-in ECMAScript Objects
+
+    Unless specified otherwise in this document, the objects, functions, and constructors
+    described in this standard are subject to the generic requirements and restrictions
+    specified for standard built-in ECMAScript objects in the ECMAScript 2018 Language
+    Specification, 9th edition, clause 17, or successor.
+
+  17 ECMAScript Standard Built-in Objects:
+
+    Every other data property described in clauses 18 through 26 and in Annex B.2 has the
+    attributes { [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true }
+    unless otherwise specified.
+
+features: [Intl.DurationFormat]
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Intl.DurationFormat.prototype, "constructor");
+verifyWritable(Intl.DurationFormat.prototype, "constructor");
+verifyConfigurable(Intl.DurationFormat.prototype, "constructor");

test/intl402/DurationFormat/prototype/constructor/value.js

@@ -0,0 +1,12 @@
+// Copyright 2012 Google Inc.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.DurationFormat
+description: >
+    Tests that Intl.DurationFormat.prototype.constructor is the Intl.DurationFormat.
+
+features: [Intl.DurationFormat]
+---*/
+
+assert.sameValue(Intl.DurationFormat.prototype.constructor, Intl.DurationFormat, "Intl.DurationFormat.prototype.constructor is not the same as Intl.DurationFormat");