public void GetState_Exception_KeyIsUndefined()
{
PageInfo navigationEntry = new PageInfo("Page Name", "Arguments");
var e = Assert.Throws <KeyNotFoundException>(() => navigationEntry.GetState <string>("Undefined"));
Assert.Equal("The given key was not present in the dictionary.", e.Message);
}
public void GetState_Exception_KeyIsEmpty()
{
PageInfo navigationEntry = new PageInfo("Page Name", "Arguments");
var e = Assert.Throws <ArgumentException>(() => navigationEntry.GetState <string>(""));
Assert.Equal("The argument cannot be null or an empty string.\r\nParameter name: key", e.Message);
Assert.Equal("key", e.ParamName);
}
public void GetSetState_Class_StoresNullState()
{
PageInfo navigationEntry = new PageInfo("Page Name", "Arguments");
navigationEntry.SetState <ClassState>("MyKey", null);
var result = navigationEntry.GetState <ClassState>("MyKey");
Assert.Equal(null, result);
}
public void GetSetState_Int_StoresState()
{
PageInfo navigationEntry = new PageInfo("Page Name", "Arguments");
navigationEntry.SetState <int>("MyKey", 42);
var result = navigationEntry.GetState <int>("MyKey");
Assert.Equal(42, result);
}
public void GetSetState_String_StoresState()
{
PageInfo navigationEntry = new PageInfo("Page Name", "Arguments");
navigationEntry.SetState <string>("MyKey", "Test State");
var result = navigationEntry.GetState <string>("MyKey");
Assert.Equal("Test State", result);
}
public void GetState_Exception_IncorrectType()
{
PageInfo navigationEntry = new PageInfo("Page Name", "Arguments");
navigationEntry.SetState <string>("MyKey", "Test State");
var e = Assert.Throws <InvalidCastException>(() => navigationEntry.GetState <int>("MyKey"));
Assert.Equal("Specified cast is not valid.", e.Message);
}
public void Serialization_PersistsState_NullClass()
{
PageInfo sourceEntry = new PageInfo("Page Name", "Arguments");
sourceEntry.SetState <ClassState>("MyKey", null);
byte[] data = SerializationHelper.SerializeToArray(sourceEntry);
PageInfo newEntry = SerializationHelper.DeserializeFromArray <PageInfo>(data);
Assert.Equal(null, newEntry.GetState <ClassState>("MyKey"));
}
public void GetSetState_Struct_StoresState()
{
PageInfo navigationEntry = new PageInfo("Page Name", "Arguments");
navigationEntry.SetState <StructState>("MyKey", new StructState()
{
Text = "Text Value", Number = 42
});
var result = navigationEntry.GetState <StructState>("MyKey");
Assert.Equal("Text Value", result.Text);
Assert.Equal(42, result.Number);
}
public void Serialization_PersistsState_Struct()
{
PageInfo sourceEntry = new PageInfo("Page Name", "Arguments");
sourceEntry.SetState <StructState>("MyKey", new StructState()
{
Text = "Text Value", Number = 42
});
byte[] data = SerializationHelper.SerializeToArray(sourceEntry);
PageInfo newEntry = SerializationHelper.DeserializeFromArray <PageInfo>(data);
var state = newEntry.GetState <StructState>("MyKey");
Assert.Equal("Text Value", state.Text);
Assert.Equal(42, state.Number);
}