public void GroupsAreRecreated()
{
Func <object, object, bool> nameMatcher = (groupName, itemName) => (string)groupName == (string)itemName;
Func <object, int, CultureInfo, object> nameCreator = (item, level, culture) => ((int)item <= 2 ? "Lower" : "Upper") + level.ToString();
var desc = new ConcretePropertyGroupDescription()
{
GroupNameFromItemFunc = nameCreator,
NamesMatchFunc = nameMatcher
};
var source = new CollectionViewSource {
Source = new [] { 0, 1, 2, 3, 4, 5 }
};
source.GroupDescriptions.Add(desc);
var groups = source.View.Groups;
var lowerGroup = (CollectionViewGroup)source.View.Groups [0];
var upperGroup = (CollectionViewGroup)source.View.Groups [1];
using (source.DeferRefresh())
using (source.View.DeferRefresh()) {
source.GroupDescriptions.Clear();
source.GroupDescriptions.Add(desc);
}
Assert.AreSame(groups, source.View.Groups, "#1");
Assert.AreNotSame(lowerGroup, source.View.Groups [0], "#2");
Assert.AreNotSame(upperGroup, source.View.Groups [1], "#3");
}
public void GroupNameFromItem_InvalidName()
{
// An invalid name means return null
var ob = new object();
var p = new ConcretePropertyGroupDescription("invalid");
Assert.IsNull(p.GroupNameFromItem(ob, 0, null));
}
public void GroupNameFromItem_EmptyPropertyName()
{
// An empty name means 'use the object'
var ob = new object();
var p = new ConcretePropertyGroupDescription("");
Assert.AreSame(ob, p.GroupNameFromItem(ob, 0, null));
}
public void GroupNameFromItem_Indexer()
{
// An invalid name means return null
var o = new Dictionary <string, string> ();
o.Add("test", "result");
var p = new ConcretePropertyGroupDescription("[test]");
Assert.AreEqual("result", p.GroupNameFromItem(o, 0, null));
}
public void GroupNameFromItem_ValidName()
{
// An invalid name means return null
var ob = new Rectangle {
Width = 100
};
var p = new ConcretePropertyGroupDescription("Width");
var result = p.GroupNameFromItem(ob, 0, null);
Assert.IsInstanceOfType <double> (result, "#1");
Assert.AreEqual(100.0, (double)result, "#2");
}
public void CulturePropagatesToDescriptions()
{
CultureInfo culture = null;
Source.Culture = CultureInfo.InvariantCulture;
Assert.AreSame(Source.Culture, Source.View.Culture, "#1");
var group = new ConcretePropertyGroupDescription {
GroupNameFromItemFunc = (item, level, cult) => {
culture = cult;
return("A");
}
};
// Verify that the method was called and we passed in the right cultureinfo
Source.GroupDescriptions.Add(group);
Assert.AreSame(Source.Culture, culture, "#2");
}
public void OneGroupDesciption()
{
Func <object, object, bool> nameMatcher = (groupName, itemName) => (string)groupName == (string)itemName;
Func <object, int, CultureInfo, object> nameCreator = (item, level, culture) => ((int)item <= 2 ? "Lower" : "Upper") + level.ToString();
var desc = new ConcretePropertyGroupDescription()
{
GroupNameFromItemFunc = nameCreator,
NamesMatchFunc = nameMatcher
};
var source = new CollectionViewSource {
Source = new [] { 0, 1, 2, 3, 4, 5 }
};
using (source.View.DeferRefresh()) {
source.GroupDescriptions.Add(desc);
}
Assert.AreEqual(2, source.View.Groups.Count, "#1");
var lowerGroup = (CollectionViewGroup)source.View.Groups [0];
var upperGroup = (CollectionViewGroup)source.View.Groups [1];
Assert.AreEqual("Lower0", lowerGroup.Name, "#2");
Assert.AreEqual("Upper0", upperGroup.Name, "#3");
Assert.IsTrue(lowerGroup.IsBottomLevel, "#4");
Assert.IsTrue(upperGroup.IsBottomLevel, "#5");
Assert.AreEqual(3, lowerGroup.ItemCount, "#6");
Assert.AreEqual(3, upperGroup.ItemCount, "#7");
for (int i = 0; i < 3; i++)
{
Assert.AreEqual(i, (int)lowerGroup.Items [i], "#8." + i);
}
for (int i = 0; i < 3; i++)
{
Assert.AreEqual(i + 3, (int)upperGroup.Items [i], "#9." + i);
}
}
public void CulturePropagatesToDescriptions ()
{
CultureInfo culture = null;
Source.Culture = CultureInfo.InvariantCulture;
Assert.AreSame (Source.Culture, Source.View.Culture, "#1");
var group = new ConcretePropertyGroupDescription {
GroupNameFromItemFunc = (item, level, cult) => {
culture = cult;
return "A";
}
};
// Verify that the method was called and we passed in the right cultureinfo
Source.GroupDescriptions.Add (group);
Assert.AreSame (Source.Culture, culture, "#2");
}
public void ICV_OneItemTwoGroups3 ()
{
var o = new object();
var source = new CollectionViewSource { Source = new[] { o } };
var group = new ConcretePropertyGroupDescription {
GroupNameFromItemFunc = (item, level, culture) => new[] { "First", "Second" }
};
var box = new ListBox { ItemsSource = source.View };
CreateAsyncTest(box,
() => {
box.ApplyTemplate();
}, () => {
source.GroupDescriptions.Add(group);
Assert.AreEqual(2, box.Items.Count, "#1");
Assert.AreEqual(o, box.Items[0], "#2");
Assert.AreEqual(o, box.Items[1], "#3");
// FIXME: This assertion passes in SL but not in ML. I don't think it's hugely important.
Assert.IsNull(box.ItemContainerGenerator.ContainerFromIndex(0), "#4");
}, () => {
Assert.IsNotNull(box.ItemContainerGenerator.ContainerFromIndex(0), "#5");
Assert.AreNotSame(box.ItemContainerGenerator.ContainerFromIndex(0), box.ItemContainerGenerator.ContainerFromIndex(1), "#6");
}
);
}
public void ICV_OneItemTwoGroups_Remove ()
{
var o = new object();
var source = new CollectionViewSource { Source = new List<Object> { o } };
var group = new ConcretePropertyGroupDescription {
GroupNameFromItemFunc = (item, level, culture) => new[] { "First", "Second" }
};
source.GroupDescriptions.Add(group);
var box = new ListBox { ItemsSource = source.View };
CreateAsyncTest (box,
() => {
box.ApplyTemplate();
}, () => {
((IEditableCollectionView)source.View).RemoveAt (0);
Assert.AreEqual (0, box.Items.Count, "#1");
}
);
}
public void ConstructorDoesNotRaisePropertyChanged ()
{
var p = new ConcretePropertyGroupDescription ();
Assert.AreEqual (0, p.OnPropertyChangedCalled.Count, "#1");
}
public void GroupNameFromItem_Indexer ()
{
// An invalid name means return null
var o = new Dictionary<string, string> ();
o.Add ("test", "result");
var p = new ConcretePropertyGroupDescription ("[test]");
Assert.AreEqual ("result", p.GroupNameFromItem (o, 0, null));
}
public void TwoGroupDesciptions()
{
/* This test generates two subgroups giving this hierarchy:
* Root
* Lower0
* Lower1 [Will contain (0, 1, 2)]
* Upper1
* Upper0
* Lower1
* Upper1 [Will contain (3, 4, 5)]
*/
Func <object, object, bool> nameMatcher = (groupName, itemName) => (string)groupName == (string)itemName;
Func <object, int, CultureInfo, object> nameCreator = (item, level, culture) => ((int)item <= 2 ? "Lower" : "Upper") + level.ToString();
var level0 = new ConcretePropertyGroupDescription()
{
GroupNameFromItemFunc = nameCreator,
NamesMatchFunc = nameMatcher
};
var level1 = new ConcretePropertyGroupDescription()
{
GroupNameFromItemFunc = nameCreator,
NamesMatchFunc = nameMatcher
};
var source = new CollectionViewSource {
Source = new [] { 0, 1, 2, 3, 4, 5 }
};
using (source.View.DeferRefresh()) {
source.GroupDescriptions.Add(level0);
source.GroupDescriptions.Add(level1);
}
Assert.AreEqual(2, source.View.Groups.Count, "#1");
var lowerGroup = (CollectionViewGroup)source.View.Groups [0];
var upperGroup = (CollectionViewGroup)source.View.Groups [1];
Assert.AreEqual("Lower0", lowerGroup.Name, "#2");
Assert.AreEqual("Upper0", upperGroup.Name, "#3");
Assert.IsFalse(lowerGroup.IsBottomLevel, "#4");
Assert.IsFalse(upperGroup.IsBottomLevel, "#5");
Assert.AreEqual(3, lowerGroup.ItemCount, "#6");
Assert.AreEqual(3, upperGroup.ItemCount, "#7");
Assert.AreEqual(1, lowerGroup.Items.Count, "#8");
Assert.AreEqual(1, upperGroup.Items.Count, "#9");
// Check the contents of Lower0
var lower = (CollectionViewGroup)lowerGroup.Items [0];
Assert.AreEqual("Lower1", lower.Name, "#10");
Assert.IsTrue(lower.IsBottomLevel, "#12");
Assert.AreEqual(3, lower.ItemCount, "#14");
Assert.AreEqual(3, lower.Items.Count, "#16");
// Check the contents of Upper0
var upper = (CollectionViewGroup)upperGroup.Items [0];
Assert.AreEqual("Upper1", upper.Name, "#11");
Assert.IsTrue(upper.IsBottomLevel, "#13");
Assert.AreEqual(3, upper.ItemCount, "#15");
Assert.AreEqual(3, upper.Items.Count, "#17");
}
public void TwoGroupDesciptions ()
{
/* This test generates two subgroups giving this hierarchy:
* Root
* Lower0
* Lower1 [Will contain (0, 1, 2)]
* Upper1
* Upper0
* Lower1
* Upper1 [Will contain (3, 4, 5)]
*/
Func<object, object, bool> nameMatcher = (groupName, itemName) => (string) groupName == (string) itemName;
Func<object, int, CultureInfo, object> nameCreator = (item, level, culture) => ((int) item <= 2 ? "Lower" : "Upper") + level.ToString ();
var level0 = new ConcretePropertyGroupDescription () {
GroupNameFromItemFunc = nameCreator,
NamesMatchFunc = nameMatcher
};
var level1 = new ConcretePropertyGroupDescription () {
GroupNameFromItemFunc = nameCreator,
NamesMatchFunc = nameMatcher
};
var source = new CollectionViewSource { Source = new [] { 0, 1, 2, 3, 4, 5 } };
using (source.View.DeferRefresh ()) {
source.GroupDescriptions.Add (level0);
source.GroupDescriptions.Add (level1);
}
Assert.AreEqual (2, source.View.Groups.Count, "#1");
var lowerGroup = (CollectionViewGroup) source.View.Groups [0];
var upperGroup = (CollectionViewGroup) source.View.Groups [1];
Assert.AreEqual ("Lower0", lowerGroup.Name, "#2");
Assert.AreEqual ("Upper0", upperGroup.Name, "#3");
Assert.IsFalse (lowerGroup.IsBottomLevel, "#4");
Assert.IsFalse (upperGroup.IsBottomLevel, "#5");
Assert.AreEqual (3, lowerGroup.ItemCount, "#6");
Assert.AreEqual (3, upperGroup.ItemCount, "#7");
Assert.AreEqual (1, lowerGroup.Items.Count, "#8");
Assert.AreEqual (1, upperGroup.Items.Count, "#9");
// Check the contents of Lower0
var lower = (CollectionViewGroup) lowerGroup.Items [0];
Assert.AreEqual ("Lower1", lower.Name, "#10");
Assert.IsTrue (lower.IsBottomLevel, "#12");
Assert.AreEqual (3, lower.ItemCount, "#14");
Assert.AreEqual (3, lower.Items.Count, "#16");
// Check the contents of Upper0
var upper = (CollectionViewGroup) upperGroup.Items [0];
Assert.AreEqual ("Upper1", upper.Name, "#11");
Assert.IsTrue (upper.IsBottomLevel, "#13");
Assert.AreEqual (3, upper.ItemCount, "#15");
Assert.AreEqual (3, upper.Items.Count, "#17");
}
public void GroupNameFromItem_EmptyPropertyName ()
{
// An empty name means 'use the object'
var ob = new object ();
var p = new ConcretePropertyGroupDescription ("");
Assert.AreSame (ob, p.GroupNameFromItem (ob, 0, null));
}
public void ConstructorDoesNotRaisePropertyChanged()
{
var p = new ConcretePropertyGroupDescription();
Assert.AreEqual(0, p.OnPropertyChangedCalled.Count, "#1");
}
public void OneGroupDesciption ()
{
Func<object, object, bool> nameMatcher = (groupName, itemName) => (string) groupName == (string) itemName;
Func<object, int, CultureInfo, object> nameCreator = (item, level, culture) => ((int) item <= 2 ? "Lower" : "Upper") + level.ToString ();
var desc = new ConcretePropertyGroupDescription () {
GroupNameFromItemFunc = nameCreator,
NamesMatchFunc = nameMatcher
};
var source = new CollectionViewSource { Source = new [] { 0, 1, 2, 3, 4, 5 } };
using (source.View.DeferRefresh ()) {
source.GroupDescriptions.Add (desc);
}
Assert.AreEqual (2, source.View.Groups.Count, "#1");
var lowerGroup = (CollectionViewGroup) source.View.Groups [0];
var upperGroup = (CollectionViewGroup) source.View.Groups [1];
Assert.AreEqual ("Lower0", lowerGroup.Name, "#2");
Assert.AreEqual ("Upper0", upperGroup.Name, "#3");
Assert.IsTrue (lowerGroup.IsBottomLevel, "#4");
Assert.IsTrue (upperGroup.IsBottomLevel, "#5");
Assert.AreEqual (3, lowerGroup.ItemCount, "#6");
Assert.AreEqual (3, upperGroup.ItemCount, "#7");
for (int i = 0; i < 3; i++)
Assert.AreEqual (i, (int) lowerGroup.Items [i], "#8." + i);
for (int i = 0; i < 3; i++)
Assert.AreEqual (i + 3, (int) upperGroup.Items [i], "#9." + i);
}
public void GroupNameFromItem_InvalidName ()
{
// An invalid name means return null
var ob = new object ();
var p = new ConcretePropertyGroupDescription ("invalid");
Assert.IsNull (p.GroupNameFromItem (ob, 0, null));
}
public void GroupsAreRecreated ()
{
Func<object, object, bool> nameMatcher = (groupName, itemName) => (string) groupName == (string) itemName;
Func<object, int, CultureInfo, object> nameCreator = (item, level, culture) => ((int) item <= 2 ? "Lower" : "Upper") + level.ToString ();
var desc = new ConcretePropertyGroupDescription () {
GroupNameFromItemFunc = nameCreator,
NamesMatchFunc = nameMatcher
};
var source = new CollectionViewSource { Source = new [] { 0, 1, 2, 3, 4, 5 } };
source.GroupDescriptions.Add (desc);
var groups = source.View.Groups;
var lowerGroup = (CollectionViewGroup) source.View.Groups [0];
var upperGroup = (CollectionViewGroup) source.View.Groups [1];
using (source.DeferRefresh ())
using (source.View.DeferRefresh ()) {
source.GroupDescriptions.Clear ();
source.GroupDescriptions.Add (desc);
}
Assert.AreSame (groups, source.View.Groups, "#1");
Assert.AreNotSame (lowerGroup, source.View.Groups [0], "#2");
Assert.AreNotSame (upperGroup, source.View.Groups [1], "#3");
}
public void GroupNameFromItem_ValidName ()
{
// An invalid name means return null
var ob = new Rectangle { Width = 100 };
var p = new ConcretePropertyGroupDescription ("Width");
var result = p.GroupNameFromItem (ob, 0, null);
Assert.IsInstanceOfType<double> (result, "#1");
Assert.AreEqual (100.0, (double) result, "#2");
}