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-rw-r--r--js/src/jsapi-tests/testDateToLocaleString.cpp63
1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/jsapi-tests/testDateToLocaleString.cpp b/js/src/jsapi-tests/testDateToLocaleString.cpp
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+++ b/js/src/jsapi-tests/testDateToLocaleString.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ */
+/* 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/. */
+
+#include "js/LocaleSensitive.h"
+#include "jsapi-tests/tests.h"
+
+BEGIN_TEST(testDateToLocaleString) {
+ JSRuntime* rt = JS_GetRuntime(cx);
+
+ // This test should only attempt to run if we have Intl support: necessary
+ // to properly assume that changes to the default locale will predictably
+ // affect the behavior of the locale-sensitive Date methods tested here.
+ JS::Rooted<JS::Value> haveIntl(cx);
+ EVAL("typeof Intl !== 'undefined'", &haveIntl);
+ if (!haveIntl.toBoolean()) {
+ return true;
+ }
+
+ // Pervasive assumption: our Intl support includes "de" (German) and
+ // "en" (English) and treats them differently for purposes of
+ // Date.prototype.toLocale{,Date,Time}String behavior.
+
+ // Start with German.
+ CHECK(JS_SetDefaultLocale(rt, "de"));
+
+ // The (constrained) Date object we'll use to test behavior.
+ EXEC("var d = new Date(Date.UTC(2015, 9 - 1, 17));");
+
+ // Test that toLocaleString behavior changes with default locale changes.
+ EXEC("var deAll = d.toLocaleString();");
+
+ CHECK(JS_SetDefaultLocale(rt, "en"));
+ EXEC(
+ "if (d.toLocaleString() === deAll) \n"
+ " throw 'toLocaleString results should have changed with system locale "
+ "change';");
+
+ // Test that toLocaleDateString behavior changes with default locale changes.
+ EXEC("var enDate = d.toLocaleDateString();");
+
+ CHECK(JS_SetDefaultLocale(rt, "de"));
+ EXEC(
+ "if (d.toLocaleDateString() === enDate) \n"
+ " throw 'toLocaleDateString results should have changed with system "
+ "locale change';");
+
+ // Test that toLocaleTimeString behavior changes with default locale changes.
+ EXEC("var deTime = d.toLocaleTimeString();");
+
+ CHECK(JS_SetDefaultLocale(rt, "en"));
+ EXEC(
+ "if (d.toLocaleTimeString() === deTime) \n"
+ " throw 'toLocaleTimeString results should have changed with system "
+ "locale change';");
+
+ JS_ResetDefaultLocale(rt);
+ return true;
+}
+END_TEST(testDateToLocaleString)