1 files changed, 197 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/Collator/caseFirst.js b/js/src/tests/non262/Intl/Collator/caseFirst.js
new file mode 100644
index 0000000000..d183c8fdd5
--- /dev/null
+++ b/js/src/tests/non262/Intl/Collator/caseFirst.js
@@ -0,0 +1,197 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Locales which use caseFirst=off for the standard (sort) collation type.
+const defaultLocales = Intl.Collator.supportedLocalesOf(["en", "de", "es", "sv", "ar", "zh", "ja"]);
+
+// Locales which use caseFirst=upper for the standard (sort) collation type.
+const upperFirstLocales = Intl.Collator.supportedLocalesOf(["cu", "da", "mt"]);
+
+// Default collation for zh (pinyin) reorders "á" before "a" at secondary strength level.
+const accentReordered = ["zh"];
+
+const allLocales = [...defaultLocales, ...upperFirstLocales];
+
+
+// Check default "caseFirst" option is resolved correctly.
+for (let locale of defaultLocales) {
+    let col = new Intl.Collator(locale, {usage: "sort"});
+    assertEq(col.resolvedOptions().caseFirst, "false");
+}
+for (let locale of upperFirstLocales) {
+    let col = new Intl.Collator(locale, {usage: "sort"});
+    assertEq(col.resolvedOptions().caseFirst, "upper");
+}
+for (let locale of allLocales) {
+    let col = new Intl.Collator(locale, {usage: "search"});
+    assertEq(col.resolvedOptions().caseFirst, "false");
+}
+
+
+const collOptions = {usage: "sort"};
+const primary = {sensitivity: "base"};
+const secondary = {sensitivity: "accent"};
+const tertiary = {sensitivity: "variant"};
+const caseLevel = {sensitivity: "case"};
+const strengths = [primary, secondary, tertiary, caseLevel];
+
+// "A" is sorted after "a" when caseFirst=off is the default and strength is tertiary.
+for (let locale of defaultLocales) {
+    let col = new Intl.Collator(locale, Object.assign({}, collOptions, tertiary));
+
+    assertEq(col.compare("A", "a"), 1);
+    assertEq(col.compare("a", "A"), -1);
+}
+for (let locale of defaultLocales.filter(loc => !accentReordered.includes(loc))) {
+    let col = new Intl.Collator(locale, Object.assign({}, collOptions, tertiary));
+
+    assertEq(col.compare("A", "á"), -1);
+    assertEq(col.compare("á", "A"), 1);
+}
+
+// Also sorted after "a" with the sensitivity=case collator.
+for (let locale of defaultLocales) {
+    let col = new Intl.Collator(locale, Object.assign({}, collOptions, caseLevel));
+
+    assertEq(col.compare("A", "a"), 1);
+    assertEq(col.compare("a", "A"), -1);
+
+    assertEq(col.compare("A", "á"), 1);
+    assertEq(col.compare("á", "A"), -1);
+}
+
+
+// "A" is sorted before "a" when caseFirst=upper is the default and strength is tertiary.
+for (let locale of upperFirstLocales) {
+    let col = new Intl.Collator(locale, Object.assign({}, collOptions, tertiary));
+
+    assertEq(col.compare("A", "a"), -1);
+    assertEq(col.compare("a", "A"), 1);
+
+    assertEq(col.compare("A", "á"), -1);
+    assertEq(col.compare("á", "A"), 1);
+}
+
+// Also sorted before "a" with the sensitivity=case collator.
+for (let locale of upperFirstLocales) {
+    let col = new Intl.Collator(locale, Object.assign({}, collOptions, caseLevel));
+
+    assertEq(col.compare("A", "a"), -1);
+    assertEq(col.compare("a", "A"), 1);
+
+    assertEq(col.compare("A", "á"), -1);
+    assertEq(col.compare("á", "A"), 1);
+}
+
+
+// caseFirst=upper doesn't change the sort order when strength is below tertiary.
+for (let locale of allLocales) {
+    let col = new Intl.Collator(locale, Object.assign({}, collOptions, secondary));
+
+    assertEq(col.compare("A", "a"), 0);
+    assertEq(col.compare("a", "A"), 0);
+}
+for (let locale of allLocales.filter(loc => !accentReordered.includes(loc))) {
+    let col = new Intl.Collator(locale, Object.assign({}, collOptions, secondary));
+
+    assertEq(col.compare("A", "á"), -1);
+    assertEq(col.compare("á", "A"), 1);
+}
+
+for (let locale of allLocales) {
+    let col = new Intl.Collator(locale, Object.assign({}, collOptions, primary));
+
+    assertEq(col.compare("A", "a"), 0);
+    assertEq(col.compare("a", "A"), 0);
+
+    assertEq(col.compare("A", "á"), 0);
+    assertEq(col.compare("á", "A"), 0);
+}
+
+
+// caseFirst=upper doesn't change the sort order when there's a primary difference.
+for (let locale of allLocales) {
+    for (let strength of strengths) {
+        let col = new Intl.Collator(locale, Object.assign({}, collOptions, strength));
+
+        assertEq(col.compare("A", "b"), -1);
+        assertEq(col.compare("a", "B"), -1);
+    }
+}
+
+
+// caseFirst set through Unicode extension tag.
+for (let locale of allLocales) {
+    let colKfFalse = new Intl.Collator(locale + "-u-kf-false", {});
+    let colKfLower = new Intl.Collator(locale + "-u-kf-lower", {});
+    let colKfUpper = new Intl.Collator(locale + "-u-kf-upper", {});
+
+    assertEq(colKfFalse.resolvedOptions().caseFirst, "false");
+    assertEq(colKfFalse.compare("A", "a"), 1);
+    assertEq(colKfFalse.compare("a", "A"), -1);
+
+    assertEq(colKfLower.resolvedOptions().caseFirst, "lower");
+    assertEq(colKfLower.compare("A", "a"), 1);
+    assertEq(colKfLower.compare("a", "A"), -1);
+
+    assertEq(colKfUpper.resolvedOptions().caseFirst, "upper");
+    assertEq(colKfUpper.compare("A", "a"), -1);
+    assertEq(colKfUpper.compare("a", "A"), 1);
+}
+
+
+// caseFirst set through options value.
+for (let locale of allLocales) {
+    let colKfFalse = new Intl.Collator(locale, {caseFirst: "false"});
+    let colKfLower = new Intl.Collator(locale, {caseFirst: "lower"});
+    let colKfUpper = new Intl.Collator(locale, {caseFirst: "upper"});
+
+    assertEq(colKfFalse.resolvedOptions().caseFirst, "false");
+    assertEq(colKfFalse.compare("A", "a"), 1);
+    assertEq(colKfFalse.compare("a", "A"), -1);
+
+    assertEq(colKfLower.resolvedOptions().caseFirst, "lower");
+    assertEq(colKfLower.compare("A", "a"), 1);
+    assertEq(colKfLower.compare("a", "A"), -1);
+
+    assertEq(colKfUpper.resolvedOptions().caseFirst, "upper");
+    assertEq(colKfUpper.compare("A", "a"), -1);
+    assertEq(colKfUpper.compare("a", "A"), 1);
+}
+
+
+// Test Unicode extension tag and options value, the latter should win.
+for (let locale of allLocales) {
+    let colKfFalse = new Intl.Collator(locale + "-u-kf-upper", {caseFirst: "false"});
+    let colKfLower = new Intl.Collator(locale + "-u-kf-upper", {caseFirst: "lower"});
+    let colKfUpper = new Intl.Collator(locale + "-u-kf-lower", {caseFirst: "upper"});
+
+    assertEq(colKfFalse.resolvedOptions().caseFirst, "false");
+    assertEq(colKfFalse.compare("A", "a"), 1);
+    assertEq(colKfFalse.compare("a", "A"), -1);
+
+    assertEq(colKfLower.resolvedOptions().caseFirst, "lower");
+    assertEq(colKfLower.compare("A", "a"), 1);
+    assertEq(colKfLower.compare("a", "A"), -1);
+
+    assertEq(colKfUpper.resolvedOptions().caseFirst, "upper");
+    assertEq(colKfUpper.compare("A", "a"), -1);
+    assertEq(colKfUpper.compare("a", "A"), 1);
+}
+
+// Ensure languages are properly detected when additional subtags are present.
+if (Intl.Collator.supportedLocalesOf("da").length !== 0) {
+    assertEq(new Intl.Collator("da-DK", {usage: "sort"}).resolvedOptions().caseFirst, "upper");
+    assertEq(new Intl.Collator("da-Latn-DK", {usage: "sort"}).resolvedOptions().caseFirst, "upper");
+}
+if (Intl.Collator.supportedLocalesOf("mt").length !== 0) {
+    assertEq(new Intl.Collator("mt-MT", {usage: "sort"}).resolvedOptions().caseFirst, "upper");
+    assertEq(new Intl.Collator("mt-Latn-MT", {usage: "sort"}).resolvedOptions().caseFirst, "upper");
+}
+
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0, "ok");