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Diffstat (limited to 'Xamarin.Forms.Core.UnitTests/DynamicResourceTests.cs')
| -rw-r--r-- | Xamarin.Forms.Core.UnitTests/DynamicResourceTests.cs | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core.UnitTests/DynamicResourceTests.cs b/Xamarin.Forms.Core.UnitTests/DynamicResourceTests.cs new file mode 100644 index 00000000..faea9963 --- /dev/null +++ b/Xamarin.Forms.Core.UnitTests/DynamicResourceTests.cs @@ -0,0 +1,153 @@ +using NUnit.Framework; + +namespace Xamarin.Forms.Core.UnitTests +{ + [TestFixture] + public class DynamicResourceTests : BaseTestFixture + { + [SetUp] + public override void Setup () + { + base.Setup (); + Device.PlatformServices = new MockPlatformServices (); + } + + [Test] + public void TestDynamicResource () + { + var label = new Label (); + label.SetDynamicResource (Label.TextProperty, "foo"); + var layout = new StackLayout { + Children = { + label + } + }; + + Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text); + + layout.Resources = new ResourceDictionary { + { "foo", "FOO" } + }; + Assert.AreEqual ("FOO", label.Text); + } + + [Test] + public void SetResourceTriggerSetValue () + { + var label = new Label (); + label.SetDynamicResource (Label.TextProperty, "foo"); + Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text); + label.Resources = new ResourceDictionary { + {"foo", "FOO"} + }; + Assert.AreEqual ("FOO", label.Text); + } + + [Test] + public void SetResourceOnParentTriggerSetValue () + { + var label = new Label (); + var layout = new StackLayout { Children = {label}}; + label.SetDynamicResource (Label.TextProperty, "foo"); + Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text); + layout.Resources = new ResourceDictionary { + {"foo", "FOO"} + }; + Assert.AreEqual ("FOO", label.Text); + } + + [Test] + public void SettingResourceTriggersValueChanged () + { + var label = new Label (); + label.SetDynamicResource (Label.TextProperty, "foo"); + Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text); + label.Resources = new ResourceDictionary (); + label.Resources.Add ("foo", "FOO"); + Assert.AreEqual ("FOO", label.Text); + } + + [Test] + public void AddingAResourceDictionaryTriggersValueChangedForExistingValues () + { + var label = new Label (); + label.SetDynamicResource (Label.TextProperty, "foo"); + Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text); + var rd = new ResourceDictionary { {"foo","FOO"}}; + label.Resources = rd; + Assert.AreEqual ("FOO", label.Text); + } + + [Test] + public void ValueChangedTriggeredOnSubscribeIfKeyAlreadyExists () + { + var label = new Label (); + label.Resources = new ResourceDictionary { {"foo","FOO"}}; + Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text); + label.SetDynamicResource (Label.TextProperty, "foo"); + Assert.AreEqual ("FOO", label.Text); + } + + [Test] + public void RemoveDynamicResourceStopsUpdating () + { + var label = new Label (); + label.Resources = new ResourceDictionary { {"foo","FOO"}}; + Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text); + label.SetDynamicResource (Label.TextProperty, "foo"); + Assert.AreEqual ("FOO", label.Text); + label.RemoveDynamicResource (Label.TextProperty); + label.Resources ["foo"] = "BAR"; + Assert.AreEqual ("FOO", label.Text); + } + + [Test] + public void ReparentResubscribe () + { + var layout0 = new ContentView { Resources = new ResourceDictionary {{"foo","FOO"}}}; + var layout1 = new ContentView { Resources = new ResourceDictionary {{"foo","BAR"}}}; + + var label = new Label (); + label.SetDynamicResource (Label.TextProperty, "foo"); + Assert.AreEqual (Label.TextProperty.DefaultValue, label.Text); + + layout0.Content = label; + Assert.AreEqual ("FOO", label.Text); + + layout0.Content = null; + layout1.Content = label; + Assert.AreEqual ("BAR", label.Text); + } + + [Test] + public void ClearedResourcesDoesNotClearValues () + { + var layout0 = new ContentView { Resources = new ResourceDictionary {{"foo","FOO"}}}; + var label = new Label (); + label.SetDynamicResource (Label.TextProperty, "foo"); + layout0.Content = label; + + Assert.AreEqual ("FOO", label.Text); + + layout0.Resources.Clear (); + Assert.AreEqual ("FOO", label.Text); + } + + [Test] + //Issue 2608 + public void ResourcesCanBeChanged () + { + var label = new Label (); + label.BindingContext = new MockViewModel (); + label.SetBinding (Label.TextProperty, "Text", BindingMode.TwoWay); + label.SetDynamicResource (Label.TextProperty, "foo"); + label.Resources = new ResourceDictionary { {"foo","FOO"}}; + + Assert.AreEqual ("FOO", label.Text); + + label.Resources ["foo"] = "BAR"; + + Assert.AreEqual ("BAR", label.Text); + } + } +}
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