public void GetWsForInputLanguage_GetsMatchingWsByCulture()
        {
            var wsEn = new WritingSystemDefinition("en");

            RepositoryUnderTest.Set(wsEn);
            var wsFr = new WritingSystemDefinition("fr");

            RepositoryUnderTest.Set(wsFr);
            var kbdEn = new DefaultKeyboardDefinition()
            {
                Layout = "English", Locale = "en-US"
            };

            wsEn.LocalKeyboard = kbdEn;
            var kbdFr = new DefaultKeyboardDefinition()
            {
                Layout = "French", Locale = "fr-FR"
            };

            wsFr.LocalKeyboard = kbdFr;

            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("", new CultureInfo("en-US"), wsEn, new[] { wsEn, wsFr }), Is.EqualTo(wsEn));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("", new CultureInfo("en-US"), wsFr, new[] { wsEn, wsFr }), Is.EqualTo(wsEn));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("", new CultureInfo("en-US"), wsEn, new[] { wsFr, wsEn }), Is.EqualTo(wsEn));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("", new CultureInfo("en-US"), wsFr, new[] { wsFr, wsEn }), Is.EqualTo(wsEn));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("", new CultureInfo("fr-FR"), wsEn, new[] { wsFr, wsEn }), Is.EqualTo(wsFr));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("", new CultureInfo("fr-FR"), wsEn, new[] { wsEn, wsFr }), Is.EqualTo(wsFr));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("", new CultureInfo("fr-FR"), null, new[] { wsEn, wsFr }), Is.EqualTo(wsFr));
        }
        public void GetWsForInputLanguage_PrefersCurrentLayoutIfTwoMatch()
        {
            var wsEn = new WritingSystemDefinition("en");

            RepositoryUnderTest.Set(wsEn);
            var wsFr = new WritingSystemDefinition("fr");

            RepositoryUnderTest.Set(wsFr);
            var kbdEn = new DefaultKeyboardDefinition()
            {
                Layout = "English", Locale = "en-US"
            };

            wsEn.LocalKeyboard = kbdEn;
            var kbdFr = new DefaultKeyboardDefinition()
            {
                Layout = "English", Locale = "fr-US"
            };

            wsFr.LocalKeyboard = kbdFr;

            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("de-DE"), wsEn, new[] { wsEn, wsFr }), Is.EqualTo(wsEn));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("de-DE"), wsFr, new[] { wsEn, wsFr }), Is.EqualTo(wsFr));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("de-DE"), wsEn, new[] { wsFr, wsEn }), Is.EqualTo(wsEn));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("de-DE"), wsFr, new[] { wsFr, wsEn }), Is.EqualTo(wsFr));
        }
        public void GetWsForInputLanguage_CorrectlyPrioritizesLayoutAndCulture()
        {
            var wsEn = new WritingSystemDefinition("en");

            RepositoryUnderTest.Set(wsEn);
            var wsEnIpa = new WritingSystemDefinition("en-fonipa");

            RepositoryUnderTest.Set(wsEnIpa);
            var wsFr = new WritingSystemDefinition("fr");

            RepositoryUnderTest.Set(wsFr);
            var wsDe = new WritingSystemDefinition("de");

            RepositoryUnderTest.Set(wsDe);
            var kbdEn = new DefaultKeyboardDefinition()
            {
                Layout = "English", Locale = "en-US"
            };

            wsEn.LocalKeyboard = kbdEn;
            var kbdEnIpa = new DefaultKeyboardDefinition()
            {
                Layout = "English-IPA", Locale = "en-US"
            };

            wsEnIpa.LocalKeyboard = kbdEnIpa;
            var kbdFr = new DefaultKeyboardDefinition()
            {
                Layout = "French", Locale = "fr-FR"
            };

            wsFr.LocalKeyboard = kbdFr;
            var kbdDe = new DefaultKeyboardDefinition()
            {
                Layout = "English", Locale = "de-DE"
            };

            wsDe.LocalKeyboard = kbdDe;

            var wss = new IWritingSystemDefinition[] { wsEn, wsFr, wsDe, wsEnIpa };

            // Exact match selects correct one, even though there are other matches for layout and/or culture
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("en-US"), wsFr, wss), Is.EqualTo(wsEn));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English-IPA", new CultureInfo("en-US"), wsEn, wss), Is.EqualTo(wsEnIpa));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("French", new CultureInfo("fr-FR"), wsDe, wss), Is.EqualTo(wsFr));
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("de-DE"), wsEn, wss), Is.EqualTo(wsDe));

            // If there is no exact match, but there are matches by both layout and culture, we prefer layout (even though there is a
            // culture match for the default WS)
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("fr-FR"), wsFr, wss), Is.EqualTo(wsEn));             // first of two equally good matches
        }
        public void GetWsForInputLanguage_PrefersWsCurrentIfEqualMatches()
        {
            var wsEn = new WritingSystemDefinition("en");

            RepositoryUnderTest.Set(wsEn);
            var wsEnUS = new WritingSystemDefinition("en-US");

            RepositoryUnderTest.Set(wsEnUS);
            var wsEnIpa = new WritingSystemDefinition("en-fonipa");

            RepositoryUnderTest.Set(wsEnIpa);
            var wsFr = new WritingSystemDefinition("fr");

            RepositoryUnderTest.Set(wsFr);
            var wsDe = new WritingSystemDefinition("de");

            RepositoryUnderTest.Set(wsDe);
            var kbdEn = new DefaultKeyboardDefinition()
            {
                Layout = "English", Locale = "en-US"
            };

            wsEn.LocalKeyboard = kbdEn;
            var kbdEnIpa = new DefaultKeyboardDefinition()
            {
                Layout = "English-IPA", Locale = "en-US"
            };

            wsEnIpa.LocalKeyboard = kbdEnIpa;
            wsEnUS.LocalKeyboard  = kbdEn;            // exact same keyboard used!
            var kbdFr = new DefaultKeyboardDefinition()
            {
                Layout = "French", Locale = "fr-FR"
            };

            wsFr.LocalKeyboard = kbdFr;
            var kbdDe = new DefaultKeyboardDefinition()
            {
                Layout = "English", Locale = "de-DE"
            };

            wsDe.LocalKeyboard = kbdDe;

            var wss = new IWritingSystemDefinition[] { wsEn, wsFr, wsDe, wsEnIpa, wsEnUS };

            // Exact matches
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("en-US"), wsFr, wss), Is.EqualTo(wsEn));             // first of 2
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("en-US"), wsEn, wss), Is.EqualTo(wsEn));             // prefer default
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("en-US"), wsEnUS, wss), Is.EqualTo(wsEnUS));         // prefer default

            // Match on Layout only
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("fr-FR"), wsFr, wss), Is.EqualTo(wsEn));             // first of 3
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("fr-FR"), wsEn, wss), Is.EqualTo(wsEn));             // prefer default
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("fr-FR"), wsEnUS, wss), Is.EqualTo(wsEnUS));         // prefer default
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("English", new CultureInfo("fr-FR"), wsDe, wss), Is.EqualTo(wsDe));             // prefer default

            // Match on culture only
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("Nonsence", new CultureInfo("en-US"), wsDe, wss), Is.EqualTo(wsEn));             // first of 3
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("Nonsence", new CultureInfo("en-US"), wsEn, wss), Is.EqualTo(wsEn));             // prefer default
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("Nonsence", new CultureInfo("en-US"), wsEnUS, wss), Is.EqualTo(wsEnUS));         // prefer default
            Assert.That(RepositoryUnderTest.GetWsForInputLanguage("Nonsence", new CultureInfo("en-US"), wsEnIpa, wss), Is.EqualTo(wsEnIpa));       // prefer default
        }