Added repro sample (#13704)

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue13684.xaml

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<local:TestContentPage
+    xmlns="http://xamarin.com/schemas/2014/forms"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:d="http://xamarin.com/schemas/2014/forms/design"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    Title="Test 13684" xmlns:local="using:Xamarin.Forms.Controls"
+    x:Class="Xamarin.Forms.Controls.Issues.Issue13684">
+    <StackLayout>
+        <Label
+            Padding="12"
+            BackgroundColor="Black"
+            TextColor="White"
+            Text="If the text of each item has two lines in addition to do tail truncation, the test has passed."/>
+        <CollectionView>
+            <CollectionView.ItemsSource>
+                <x:Array Type="{x:Type x:String}">
+                <x:String>1. Some very very very very very very very very very long text two ...</x:String>
+                <x:String>2. Some very very very very very very very very very long text two ...</x:String>
+                <x:String>3. Some very very very very very very very very very long text two ...</x:String>
+                </x:Array>
+            </CollectionView.ItemsSource>
+            <CollectionView.ItemsLayout>
+                <LinearItemsLayout
+                    Orientation="Horizontal"
+                    ItemSpacing="0" />
+            </CollectionView.ItemsLayout>
+            <CollectionView.ItemTemplate>
+                <DataTemplate>
+                    <Grid>
+                        <Grid.RowDefinitions>
+                            <RowDefinition Height="170" />
+                            <RowDefinition Height="*" />
+                        </Grid.RowDefinitions>
+                        <Grid.ColumnDefinitions>
+                            <ColumnDefinition Width="170" />
+                        </Grid.ColumnDefinitions>
+                        <Ellipse
+                            Grid.Row="0"
+                            Fill="#DBEAEC"
+                            WidthRequest="150"
+                            HeightRequest="150"
+                            HorizontalOptions="Center" 
+                            VerticalOptions="Center"
+                            Margin="15, 0, 5, 0"
+                            StrokeThickness="0"/>
+                        <Label
+                            Grid.Row="1"
+                            Text="{Binding}"
+                            HorizontalTextAlignment="Center"
+                            FontSize="20"
+                            VerticalOptions="Start"
+                            Margin="15, 0, 5, 0"
+                            MaxLines="2"
+                            LineBreakMode="TailTruncation" />
+                    </Grid>
+                </DataTemplate>
+            </CollectionView.ItemTemplate>
+        </CollectionView>
+    </StackLayout>
+</local:TestContentPage>

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue13684.xaml.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using Xamarin.Forms.CustomAttributes;
+
+#if UITEST
+using Xamarin.UITest;
+using NUnit.Framework;
+using Xamarin.Forms.Core.UITests;
+#endif
+
+namespace Xamarin.Forms.Controls.Issues
+{
+	[Issue(IssueTracker.Github, 13684,
+		"[Bug] Label: LineBreakMode incompatible with MaxLines",
+		PlatformAffected.Android)]
+	public partial class Issue13684 : TestContentPage
+	{
+		public Issue13684()
+		{
+#if APP
+			InitializeComponent();
+#endif
+		}
+
+		protected override void Init()
+		{
+		}
+	}
+}

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems

@@ -1730,6 +1730,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Issue8701.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue13390.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue13616.xaml.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Issue13684.xaml.cs" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Bugzilla22229.xaml">
@@ -2138,6 +2139,9 @@
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Issue13616.xaml">
       <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
     </EmbeddedResource>
+    <EmbeddedResource Include="$(MSBuildThisFileDirectory)Issue13684.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+    </EmbeddedResource>
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="$(MSBuildThisFileDirectory)Bugzilla27417Xaml.xaml">