intl tests for proposed additional options in options bag

This patch implements tests for the ECMA 402 PR at tc39/ecma402#175 It is based on the test test/intl402/Collator/10.1.1_19_c.js
littledan · Sep 13, 2017 · 58f29a2 · 58f29a2
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diff --git a/test/intl402/DateTimeFormat/numbering-system-calendar-options.js b/test/intl402/DateTimeFormat/numbering-system-calendar-options.js
@@ -0,0 +1,68 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-initializedatetimeformat
+description: >
+    Tests that the options numberingSystem and calendar can be  set through
+    either the locale or the options.
+author: Norbert Lindenberg, Daniel Ehrenberg
+includes: [testIntl.js]
+---*/
+
+let defaultLocale = new Intl.DateTimeFormat().resolvedOptions().locale;
+
+let supportedNumberingSystems = ["latn", "arab"].filter(nu =>
+  new Intl.DateTimeFormat(defaultLocale + "-u-nu-" + nu)
+    .resolvedOptions().numberingSystem === nu
+);
+
+let supportedCalendars = ["gregory", "chinese"].filter(ca =>
+  new Intl.DateTimeFormat(defaultLocale + "-u-ca-" + ca)
+    .resolvedOptions().calendar === ca
+);
+
+let options = [
+    {key: "nu", property: "numberingSystem", type: "string", values: supportedNumberingSystems},
+    {key: "ca", property: "calendar", type: "string", values: supportedCalendars}
+];
+
+options.forEach(function (option) {
+    let dateTimeFormat, opt, result;
+
+    // find out which values are supported for a property in the default locale
+    let supportedValues = [];
+    option.values.forEach(function (value) {
+        opt = {};
+        opt[option.property] = value;
+        dateTimeFormat = new Intl.DateTimeFormat([defaultLocale], opt);
+        result = dateTimeFormat.resolvedOptions()[option.property];
+        if (result !== undefined && supportedValues.indexOf(result) === -1) {
+            supportedValues.push(result);
+        }
+    });
+
+    // verify that the supported values can also be set through the locale
+    supportedValues.forEach(function (value) {
+        dateTimeFormat = new Intl.DateTimeFormat([defaultLocale + "-u-" + option.key + "-" + value]);
+        result = dateTimeFormat.resolvedOptions()[option.property];
+        assert.sameValue(result, value, "Property " + option.property + " couldn't be set through locale extension key " + option.key + ".");
+    });
+
+    // verify that the options setting overrides the locale setting
+    supportedValues.forEach(function (value) {
+        let otherValue;
+        option.values.forEach(function (possibleValue) {
+            if (possibleValue !== value) {
+                otherValue = possibleValue;
+            }
+        });
+        if (otherValue !== undefined) {
+            opt = {};
+            opt[option.property] = value;
+            dateTimeFormat = new Intl.DateTimeFormat([defaultLocale + "-u-" + option.key + "-" + otherValue], opt);
+            result = dateTimeFormat.resolvedOptions()[option.property];
+            assert.sameValue(result, value, "Options value for property " + option.property + " doesn't override locale extension key " + option.key + ".");
+        }
+    });
+});
diff --git a/test/intl402/NumberFormat/numbering-system-options.js b/test/intl402/NumberFormat/numbering-system-options.js
@@ -0,0 +1,63 @@
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-initializenumberformat
+description: >
+    Tests that the options numberingSystem and calendar can be  set through
+    either the locale or the options.
+author: Norbert Lindenberg, Daniel Ehrenberg
+includes: [testIntl.js]
+---*/
+
+let defaultLocale = new Intl.NumberFormat().resolvedOptions().locale;
+
+let supportedNumberingSystems = ["latn", "arab"].filter(nu =>
+  new Intl.NumberFormat(defaultLocale + "-u-nu-" + nu)
+    .resolvedOptions().numberingSystem === nu
+);
+
+let options = [
+    {key: "nu", property: "numberingSystem", type: "string", values: supportedNumberingSystems},
+];
+
+options.forEach(function (option) {
+    let numberFormat, opt, result;
+
+    // find out which values are supported for a property in the default locale
+    let supportedValues = [];
+    option.values.forEach(function (value) {
+        opt = {};
+        opt[option.property] = value;
+        numberFormat = new Intl.NumberFormat([defaultLocale], opt);
+        result = numberFormat.resolvedOptions()[option.property];
+        if (result !== undefined && supportedValues.indexOf(result) === -1) {
+            supportedValues.push(result);
+        }
+    });
+
+    // verify that the supported values can also be set through the locale
+    supportedValues.forEach(function (value) {
+        numberFormat = new Intl.NumberFormat([defaultLocale + "-u-" + option.key + "-" + value]);
+        result = numberFormat.resolvedOptions()[option.property];
+        assert.sameValue(result, value, "Property " + option.property + " couldn't be set through locale extension key " + option.key + ".");
+    });
+
+    // verify that the options setting overrides the locale setting
+    supportedValues.forEach(function (value) {
+        let otherValue;
+        option.values.forEach(function (possibleValue) {
+            if (possibleValue !== value) {
+                otherValue = possibleValue;
+            }
+        });
+        if (otherValue !== undefined) {
+            opt = {};
+            opt[option.property] = value;
+            numberFormat = new Intl.NumberFormat([defaultLocale + "-u-" + option.key + "-" + otherValue], opt);
+            result = numberFormat.resolvedOptions()[option.property];
+            assert.sameValue(result, value, "Options value for property " + option.property + " doesn't override locale extension key " + option.key + ".");
+        }
+    });
+});
+